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Posted to commits@geode.apache.org by kl...@apache.org on 2017/07/24 19:45:24 UTC

[1/3] geode git commit: Convert to use FunctionContext.getCache()

Repository: geode
Updated Branches:
  refs/heads/FunctionContext [created] 96e50e7e3


http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MembersForRegionFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MembersForRegionFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MembersForRegionFunction.java
index 72d37e7..d0668b7 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MembersForRegionFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MembersForRegionFunction.java
@@ -38,13 +38,11 @@ public class MembersForRegionFunction implements Function, InternalEntity {
 
   private static final long serialVersionUID = 8746830191680509335L;
 
-  private static final String ID = MembersForRegionFunction.class.getName();
-
   @Override
   public void execute(FunctionContext context) {
     Map<String, String> resultMap = new HashMap<String, String>();
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       String memberNameOrId = cache.getDistributedSystem().getDistributedMember().getId();
       Object args = (Object) context.getArguments();
       String regionName = ((String) args);
@@ -71,11 +69,6 @@ public class MembersForRegionFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return MembersForRegionFunction.ID;
-  }
-
-  @Override
   public boolean isHA() {
     return false;
   }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/NetstatFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/NetstatFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/NetstatFunction.java
index 5c1cb29..7ee42cf 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/NetstatFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/NetstatFunction.java
@@ -14,7 +14,12 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import static org.apache.geode.internal.lang.SystemUtils.*;
+import static org.apache.geode.internal.lang.SystemUtils.getOsArchitecture;
+import static org.apache.geode.internal.lang.SystemUtils.getOsName;
+import static org.apache.geode.internal.lang.SystemUtils.getOsVersion;
+import static org.apache.geode.internal.lang.SystemUtils.isLinux;
+import static org.apache.geode.internal.lang.SystemUtils.isMacOSX;
+import static org.apache.geode.internal.lang.SystemUtils.isSolaris;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -29,7 +34,6 @@ import org.apache.logging.log4j.Logger;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedSystem;
-import org.apache.geode.distributed.internal.InternalDistributedSystem;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.management.internal.cli.CliUtil;
@@ -42,14 +46,11 @@ import org.apache.geode.management.internal.cli.i18n.CliStrings;
  * 
  * @since GemFire 7.0
  */
-@SuppressWarnings({"serial"})
 public class NetstatFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-  private static final long serialVersionUID = 1L;
 
-  public static final NetstatFunction INSTANCE = new NetstatFunction();
+  private static final long serialVersionUID = 1L;
 
-  private static final String ID = NetstatFunction.class.getName();
+  private static final Logger logger = LogService.getLogger();
 
   private static final String NETSTAT_COMMAND = "netstat";
   private static final String LSOF_COMMAND = "lsof";
@@ -61,7 +62,7 @@ public class NetstatFunction implements Function, InternalEntity {
 
   @Override
   public void execute(final FunctionContext context) {
-    DistributedSystem ds = InternalDistributedSystem.getConnectedInstance();
+    DistributedSystem ds = context.getCache().getDistributedSystem();
     if (ds == null || !ds.isConnected()) {
       return;
     }
@@ -139,6 +140,7 @@ public class NetstatFunction implements Function, InternalEntity {
 
       // TODO: move to finally-block
       netstat.destroy();
+
     } catch (IOException e) {
       // TODO: change this to keep the full stack trace
       netstatInfo.append(CliStrings.format(CliStrings.NETSTAT__MSG__COULD_NOT_EXECUTE_0_REASON_1,
@@ -154,7 +156,6 @@ public class NetstatFunction implements Function, InternalEntity {
         .append(" output ###################").append(lineSeparator);
 
     if (isLinux() || isMacOSX() || isSolaris()) {
-
       ProcessBuilder procBuilder = new ProcessBuilder(LSOF_COMMAND);
       try {
         Process lsof = procBuilder.start();
@@ -167,6 +168,7 @@ public class NetstatFunction implements Function, InternalEntity {
         }
         // TODO: move this to finally-block
         lsof.destroy();
+
       } catch (IOException e) {
         // TODO: change this to keep the full stack trace
         String message = e.getMessage();
@@ -201,11 +203,6 @@ public class NetstatFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean optimizeForWrite() {
     return false;
   }
@@ -221,6 +218,7 @@ public class NetstatFunction implements Function, InternalEntity {
   }
 
   public static class NetstatFunctionArgument implements Serializable {
+
     private static final long serialVersionUID = 1L;
 
     private final String lineSeparator;
@@ -241,6 +239,7 @@ public class NetstatFunction implements Function, InternalEntity {
   }
 
   public static class NetstatFunctionResult implements Serializable {
+
     private static final long serialVersionUID = 1L;
 
     private final String host;
@@ -266,4 +265,5 @@ public class NetstatFunction implements Function, InternalEntity {
       return compressedBytes;
     }
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RebalanceFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RebalanceFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RebalanceFunction.java
index 218f212..a914d07 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RebalanceFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RebalanceFunction.java
@@ -21,7 +21,6 @@ import java.util.concurrent.CancellationException;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.control.RebalanceFactory;
 import org.apache.geode.cache.control.RebalanceOperation;
 import org.apache.geode.cache.control.RebalanceResults;
@@ -32,23 +31,15 @@ import org.apache.geode.cache.partition.PartitionRebalanceInfo;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.logging.LogService;
 
-
-
 public class RebalanceFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
-  public static final String ID = RebalanceFunction.class.getName();
-
 
   private static final long serialVersionUID = 1L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
   public void execute(FunctionContext context) {
-
-    RebalanceOperation op = null;
-    String[] str = new String[0];
-
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     ResourceManager manager = cache.getResourceManager();
     Object[] args = (Object[]) context.getArguments();
     String simulate = ((String) args[0]);
@@ -59,6 +50,7 @@ public class RebalanceFunction implements Function, InternalEntity {
     rbFactory.includeRegions(includeRegionNames);
     RebalanceResults results = null;
 
+    RebalanceOperation op;
     if (simulate.equals("true")) {
       op = rbFactory.simulate();
     } else {
@@ -81,8 +73,10 @@ public class RebalanceFunction implements Function, InternalEntity {
         PartitionRebalanceInfo rgn = (PartitionRebalanceInfo) it.next();
         str1.append(rgn.getRegionPath() + ",");
       }
+
       logger.info("Starting RebalanceFunction str1={}", str1);
       context.getResultSender().lastResult(str1.toString());
+
     } catch (CancellationException e) {
       logger.info("Starting RebalanceFunction CancellationException: ", e.getMessage(), e);
       context.getResultSender().lastResult("CancellationException1 " + e.getMessage());
@@ -93,11 +87,6 @@ public class RebalanceFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return RebalanceFunction.ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionAlterFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionAlterFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionAlterFunction.java
index 79dcbd4..05228af 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionAlterFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionAlterFunction.java
@@ -21,14 +21,13 @@ import org.apache.logging.log4j.Logger;
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.AttributesMutator;
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.CacheListener;
 import org.apache.geode.cache.CacheLoader;
 import org.apache.geode.cache.CacheWriter;
 import org.apache.geode.cache.ExpirationAction;
 import org.apache.geode.cache.ExpirationAttributes;
 import org.apache.geode.cache.Region;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.ResultSender;
 import org.apache.geode.internal.ClassPathLoader;
@@ -46,11 +45,12 @@ import org.apache.geode.management.internal.configuration.domain.XmlEntity;
  * 
  * @since GemFire 8.0
  */
-public class RegionAlterFunction extends FunctionAdapter implements InternalEntity {
-  private static final Logger logger = LogService.getLogger();
+public class RegionAlterFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = -4846425364943216425L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
   public boolean isHA() {
     return false;
@@ -60,7 +60,7 @@ public class RegionAlterFunction extends FunctionAdapter implements InternalEnti
   public void execute(FunctionContext context) {
     ResultSender<Object> resultSender = context.getResultSender();
 
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
 
@@ -313,7 +313,6 @@ public class RegionAlterFunction extends FunctionAdapter implements InternalEnti
     return new ExpirationAttributes(timeout, action);
   }
 
-  @SuppressWarnings("unchecked")
   private static <K> Class<K> forName(String classToLoadName, String neededFor) {
     Class<K> loadedClass = null;
     try {
@@ -337,7 +336,7 @@ public class RegionAlterFunction extends FunctionAdapter implements InternalEnti
   }
 
   private static <K> K newInstance(Class<K> klass, String neededFor) {
-    K instance = null;
+    K instance;
     try {
       instance = klass.newInstance();
     } catch (InstantiationException e) {
@@ -354,8 +353,4 @@ public class RegionAlterFunction extends FunctionAdapter implements InternalEnti
     return instance;
   }
 
-  @Override
-  public String getId() {
-    return RegionAlterFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionCreateFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionCreateFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionCreateFunction.java
index 6ae10a3..a976157 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionCreateFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionCreateFunction.java
@@ -20,7 +20,6 @@ import org.apache.commons.lang.StringUtils;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.CacheListener;
 import org.apache.geode.cache.CacheLoader;
 import org.apache.geode.cache.CacheWriter;
@@ -33,7 +32,7 @@ import org.apache.geode.cache.RegionAttributes;
 import org.apache.geode.cache.RegionExistsException;
 import org.apache.geode.cache.RegionFactory;
 import org.apache.geode.cache.RegionShortcut;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.ResultSender;
 import org.apache.geode.compression.Compressor;
@@ -50,18 +49,13 @@ import org.apache.geode.management.internal.cli.util.RegionPath;
 import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 
 /**
- *
  * @since GemFire 7.0
  */
-public class RegionCreateFunction extends FunctionAdapter implements InternalEntity {
-
-  private static final Logger logger = LogService.getLogger();
+public class RegionCreateFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 8746830191680509335L;
 
-  private static final String ID = RegionCreateFunction.class.getName();
-
-  public static RegionCreateFunction INSTANCE = new RegionCreateFunction();
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public boolean isHA() {
@@ -72,7 +66,7 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
   public void execute(FunctionContext context) {
     ResultSender<Object> resultSender = context.getResultSender();
 
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
 
@@ -95,6 +89,7 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
       resultSender.lastResult(new CliFunctionResult(memberNameOrId, xmlEntity,
           CliStrings.format(CliStrings.CREATE_REGION__MSG__REGION_0_CREATED_ON_1,
               new Object[] {createdRegion.getFullPath(), memberNameOrId})));
+
     } catch (IllegalStateException e) {
       String exceptionMsg = e.getMessage();
       String localizedString =
@@ -136,8 +131,6 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
   }
 
   public static <K, V> Region<?, ?> createRegion(Cache cache, RegionFunctionArgs regionCreateArgs) {
-    Region<K, V> createdRegion = null;
-
     final String regionPath = regionCreateArgs.getRegionPath();
     final RegionShortcut regionShortcut = regionCreateArgs.getRegionShortcut();
     final String useAttributesFrom = regionCreateArgs.getUseAttributesFrom();
@@ -352,6 +345,7 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
 
     String regionName = regionPathData.getName();
 
+    Region<K, V> createdRegion = null;
     if (parentRegion != null) {
       createdRegion = factory.createSubregion(parentRegion, regionName);
     } else {
@@ -361,7 +355,6 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
     return createdRegion;
   }
 
-  @SuppressWarnings("unchecked")
   private static <K, V> PartitionAttributes<K, V> extractPartitionAttributes(Cache cache,
       RegionAttributes<K, V> regionAttributes, RegionFunctionArgs regionCreateArgs) {
     RegionFunctionArgs.PartitionArgs partitionArgs = regionCreateArgs.getPartitionArgs();
@@ -418,7 +411,6 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
     return prAttrFactory.create();
   }
 
-
   private static Class<PartitionResolver> forName(String className, String neededFor) {
     if (StringUtils.isBlank(className)) {
       throw new IllegalArgumentException(
@@ -452,8 +444,4 @@ public class RegionCreateFunction extends FunctionAdapter implements InternalEnt
     }
   }
 
-  @Override
-  public String getId() {
-    return ID;
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionDestroyFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionDestroyFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionDestroyFunction.java
index 5e4af3d..0b69000 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionDestroyFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionDestroyFunction.java
@@ -15,7 +15,6 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Region;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
@@ -25,15 +24,11 @@ import org.apache.geode.management.internal.cli.i18n.CliStrings;
 import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 
 /**
- * 
  * @since GemFire 7.0
  */
 public class RegionDestroyFunction implements Function, InternalEntity {
-  private static final long serialVersionUID = 9172773671865750685L;
-
-  public static final RegionDestroyFunction INSTANCE = new RegionDestroyFunction();
 
-  private static final String ID = RegionDestroyFunction.class.getName();
+  private static final long serialVersionUID = 9172773671865750685L;
 
   @Override
   public boolean hasResult() {
@@ -49,7 +44,7 @@ public class RegionDestroyFunction implements Function, InternalEntity {
         Object arguments = context.getArguments();
         if (arguments != null) {
           regionPath = (String) arguments;
-          Cache cache = CacheFactory.getAnyInstance();
+          Cache cache = context.getCache();
           Region<?, ?> region = cache.getRegion(regionPath);
           region.destroyRegion();
           String regionName =
@@ -59,8 +54,10 @@ public class RegionDestroyFunction implements Function, InternalEntity {
         }
       }
       context.getResultSender().lastResult(new CliFunctionResult("", false, "FAILURE"));
+
     } catch (IllegalStateException e) {
       context.getResultSender().lastResult(new CliFunctionResult("", e, null));
+
     } catch (Exception ex) {
       context.getResultSender()
           .lastResult(new CliFunctionResult("",
@@ -72,11 +69,6 @@ public class RegionDestroyFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean optimizeForWrite() {
     return false;
   }
@@ -85,4 +77,5 @@ public class RegionDestroyFunction implements Function, InternalEntity {
   public boolean isHA() {
     return false;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionFunctionArgs.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionFunctionArgs.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionFunctionArgs.java
index 3af79eb..3d0ba12 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionFunctionArgs.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/RegionFunctionArgs.java
@@ -36,6 +36,7 @@ import org.apache.geode.management.internal.cli.i18n.CliStrings;
  * @since GemFire 7.0
  */
 public class RegionFunctionArgs implements Serializable {
+
   private static final long serialVersionUID = -5158224572470173267L;
 
   private final String regionPath;
@@ -93,6 +94,7 @@ public class RegionFunctionArgs implements Serializable {
       Long prRecoveryDelay, Integer prRedundantCopies, Long prStartupRecoveryDelay,
       Long prTotalMaxMemory, Integer prTotalNumBuckets, Integer evictionMax, String compressor,
       Boolean offHeap, Boolean mcastEnabled, final String partitionResolver) {
+
     this.regionPath = regionPath;
     this.regionShortcut = regionShortcut;
     this.useAttributesFrom = useAttributesFrom;
@@ -506,12 +508,12 @@ public class RegionFunctionArgs implements Serializable {
   /**
    * @return the regionAttributes
    */
-  @SuppressWarnings("unchecked")
   public <K, V> RegionAttributes<K, V> getRegionAttributes() {
     return (RegionAttributes<K, V>) this.regionAttributes;
   }
 
   public static class ExpirationAttrs implements Serializable {
+
     private static final long serialVersionUID = 1474255033398008062L;
 
     private ExpirationFor type;
@@ -596,6 +598,7 @@ public class RegionFunctionArgs implements Serializable {
   }
 
   public static class PartitionArgs implements Serializable {
+
     private static final long serialVersionUID = 5907052187323280919L;
 
     private final String prColocatedWith;
@@ -775,4 +778,5 @@ public class RegionFunctionArgs implements Serializable {
       return isSetPRTotalNumBuckets;
     }
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShowMissingDiskStoresFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShowMissingDiskStoresFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShowMissingDiskStoresFunction.java
index 2a1b746..18def96 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShowMissingDiskStoresFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShowMissingDiskStoresFunction.java
@@ -19,11 +19,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.internal.InternalEntity;
-import org.apache.geode.internal.cache.GemFireCacheImpl;
 import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.cache.PartitionedRegion;
 import org.apache.geode.internal.cache.partitioned.ColocatedRegionDetails;
@@ -31,16 +30,17 @@ import org.apache.geode.internal.cache.persistence.PersistentMemberID;
 import org.apache.geode.internal.cache.persistence.PersistentMemberManager;
 import org.apache.geode.internal.cache.persistence.PersistentMemberPattern;
 
-public class ShowMissingDiskStoresFunction extends FunctionAdapter implements InternalEntity {
+public class ShowMissingDiskStoresFunction implements InternalEntity, Function {
 
   @Override
   public void execute(FunctionContext context) {
-    final Set<PersistentMemberPattern> memberMissingIDs = new HashSet<PersistentMemberPattern>();
-    Set<ColocatedRegionDetails> missingColocatedRegions = new HashSet<ColocatedRegionDetails>();
-
     if (context == null) {
       throw new RuntimeException();
     }
+
+    final Set<PersistentMemberPattern> memberMissingIDs = new HashSet<>();
+    Set<ColocatedRegionDetails> missingColocatedRegions = new HashSet<>();
+
     try {
       final InternalCache cache = (InternalCache) context.getCache();
 
@@ -80,13 +80,10 @@ public class ShowMissingDiskStoresFunction extends FunctionAdapter implements In
           context.getResultSender().lastResult(missingColocatedRegions);
         }
       }
+
     } catch (Exception e) {
       context.getResultSender().sendException(e);
     }
   }
 
-  @Override
-  public String getId() {
-    return getClass().getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShutDownFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShutDownFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShutDownFunction.java
index 83d694f..8fcc6fe 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShutDownFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ShutDownFunction.java
@@ -14,56 +14,52 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+import org.apache.logging.log4j.Logger;
+
+import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
-import org.apache.geode.distributed.internal.InternalDistributedSystem;
+import org.apache.geode.distributed.DistributedSystem;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.internal.tcp.ConnectionTable;
-import org.apache.logging.log4j.Logger;
-
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
 
 /**
- * 
  * Class for Shutdown function
- * 
- * 
- * 
  */
 public class ShutDownFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
 
-  public static final String ID = ShutDownFunction.class.getName();
   private static final long serialVersionUID = 1L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
   public void execute(FunctionContext context) {
     try {
-      final InternalDistributedSystem system = InternalDistributedSystem.getConnectedInstance();
-      if (system == null) {
-        return;
-      }
-      String memberName = system.getDistributedMember().getId();
+      Cache cache = context.getCache();
+      String memberName = cache.getDistributedSystem().getDistributedMember().getId();
       logger.info("Received GFSH shutdown. Shutting down member " + memberName);
 
-      disconnectInNonDaemonThread(system);
+      disconnectInNonDaemonThread(cache.getDistributedSystem());
 
       context.getResultSender().lastResult("SUCCESS: succeeded in shutting down " + memberName);
+
     } catch (Exception ex) {
       logger.warn("Error during shutdown", ex);
       context.getResultSender().lastResult("FAILURE: failed in shutting down " + ex.getMessage());
     }
   }
 
-  /*
+  /**
    * The shutdown is performed in a separate, non-daemon thread so that the JVM does not shut down
    * prematurely before the full process has completed.
    */
-  private void disconnectInNonDaemonThread(final InternalDistributedSystem ids)
+  private void disconnectInNonDaemonThread(final DistributedSystem ids)
       throws InterruptedException, ExecutionException {
     ExecutorService exec = Executors.newSingleThreadExecutor();
     Future future = exec.submit(() -> {
@@ -80,12 +76,6 @@ public class ShutDownFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ShutDownFunction.ID;
-
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/SizeExportLogsFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/SizeExportLogsFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/SizeExportLogsFunction.java
index fbb60a0..02ae1ac 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/SizeExportLogsFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/SizeExportLogsFunction.java
@@ -17,9 +17,6 @@ package org.apache.geode.management.internal.cli.functions;
 import java.io.File;
 import java.io.IOException;
 
-import org.apache.geode.management.ManagementException;
-import org.apache.geode.management.internal.cli.util.BytesToString;
-import org.apache.geode.management.internal.cli.util.LogExporter;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.execute.Function;
@@ -27,15 +24,19 @@ import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.distributed.internal.DistributionConfig;
 import org.apache.geode.internal.InternalEntity;
-import org.apache.geode.internal.cache.GemFireCacheImpl;
 import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.logging.LogService;
+import org.apache.geode.management.ManagementException;
+import org.apache.geode.management.internal.cli.util.BytesToString;
+import org.apache.geode.management.internal.cli.util.LogExporter;
 import org.apache.geode.management.internal.cli.util.LogFilter;
 
 public class SizeExportLogsFunction extends ExportLogsFunction implements Function, InternalEntity {
-  private static final Logger LOGGER = LogService.getLogger();
+
   private static final long serialVersionUID = 1L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
   public void execute(final FunctionContext context) {
     try {
@@ -58,8 +59,7 @@ public class SizeExportLogsFunction extends ExportLogsFunction implements Functi
       }
 
     } catch (Exception e) {
-      e.printStackTrace();
-      LOGGER.error(e.getMessage());
+      logger.error(e);
       context.getResultSender().sendException(e);
     }
   }
@@ -70,8 +70,8 @@ public class SizeExportLogsFunction extends ExportLogsFunction implements Functi
 
   long estimateLogFileSize(final DistributedMember member, final File logFile,
       final File statArchive, final Args args) throws IOException {
-    if (LOGGER.isDebugEnabled()) {
-      LOGGER.debug("SizeExportLogsFunction started for member {}", member);
+    if (logger.isDebugEnabled()) {
+      logger.debug("SizeExportLogsFunction started for member {}", member);
     }
 
     File baseLogFile = null;
@@ -90,8 +90,9 @@ public class SizeExportLogsFunction extends ExportLogsFunction implements Functi
     long estimatedSize =
         new LogExporter(logFilter, baseLogFile, baseStatsFile).estimateFilteredSize();
 
-    LOGGER.info("Estimated log file size: " + estimatedSize);
+    logger.info("Estimated log file size: " + estimatedSize);
 
     return estimatedSize;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UndeployFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UndeployFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UndeployFunction.java
index 031c855..6f9e0e0 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UndeployFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UndeployFunction.java
@@ -16,34 +16,27 @@ package org.apache.geode.management.internal.cli.functions;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.StringTokenizer;
 
 import org.apache.commons.lang.ArrayUtils;
-import org.apache.geode.internal.ClassPathLoader;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.SystemFailure;
+import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
-import org.apache.geode.internal.InternalEntity;
+import org.apache.geode.internal.ClassPathLoader;
 import org.apache.geode.internal.DeployedJar;
+import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.JarDeployer;
-import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.logging.LogService;
 
 public class UndeployFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
-  public static final String ID = UndeployFunction.class.getName();
 
   private static final long serialVersionUID = 1L;
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(FunctionContext context) {
@@ -53,7 +46,7 @@ public class UndeployFunction implements Function, InternalEntity {
     try {
       final Object[] args = (Object[]) context.getArguments();
       final String[] jarFilenameList = (String[]) args[0]; // Comma separated
-      InternalCache cache = getCache();
+      Cache cache = context.getCache();
 
       final JarDeployer jarDeployer = ClassPathLoader.getLatest().getJarDeployer();
 
@@ -114,11 +107,6 @@ public class UndeployFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }
@@ -132,4 +120,5 @@ public class UndeployFunction implements Function, InternalEntity {
   public boolean isHA() {
     return false;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UnregisterFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UnregisterFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UnregisterFunction.java
index 18e16ac..7471586 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UnregisterFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UnregisterFunction.java
@@ -14,26 +14,16 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.FunctionService;
-import org.apache.geode.distributed.internal.InternalDistributedSystem;
 import org.apache.geode.internal.InternalEntity;
-import org.apache.geode.internal.admin.remote.ShutdownAllRequest;
 
 /**
- * 
  * Class for Unregister function
- * 
- * 
- * 
  */
-
-
 public class UnregisterFunction implements Function, InternalEntity {
-  public static final String ID = UnregisterFunction.class.getName();
+
   private static final long serialVersionUID = 1L;
 
   @Override
@@ -42,16 +32,11 @@ public class UnregisterFunction implements Function, InternalEntity {
     String functionId = (String) args[0];
     try {
       FunctionService.unregisterFunction(functionId);
+      context.getResultSender().lastResult("Succeeded in unregistering");
+
     } catch (Exception e) {
       context.getResultSender().lastResult("Failed in unregistering " + e.getMessage());
     }
-    context.getResultSender().lastResult("Succeeded in unregistering");
-  }
-
-  @Override
-  public String getId() {
-    return UnregisterFunction.ID;
-
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UserFunctionExecution.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UserFunctionExecution.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UserFunctionExecution.java
index 1f9a607..ad86393 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UserFunctionExecution.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/UserFunctionExecution.java
@@ -19,7 +19,6 @@ import java.util.List;
 import java.util.Set;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Region;
 import org.apache.geode.cache.execute.Execution;
 import org.apache.geode.cache.execute.Function;
@@ -33,18 +32,16 @@ import org.apache.geode.management.internal.cli.GfshParser;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
 /**
- * 
  * @since GemFire 7.0
  */
 public class UserFunctionExecution implements Function, InternalEntity {
-  public static final String ID = UserFunctionExecution.class.getName();
 
   private static final long serialVersionUID = 1L;
 
   @Override
   public void execute(FunctionContext context) {
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
       String[] functionArgs = null;
       Object[] args = (Object[]) context.getArguments();
@@ -146,11 +143,6 @@ public class UserFunctionExecution implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return UserFunctionExecution.ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/util/TimeParser.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/util/TimeParser.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/util/TimeParser.java
new file mode 100644
index 0000000..7cb00d6
--- /dev/null
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/util/TimeParser.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.geode.management.internal.cli.util;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+
+import org.apache.geode.management.internal.cli.commands.ExportLogsCommand;
+
+/**
+ * Extracted from {@link org.apache.geode.management.internal.cli.functions.ExportLogsFunction}.
+ */
+public class TimeParser {
+
+  public static LocalDateTime parseTime(String dateString) {
+    if (dateString == null) {
+      return null;
+    }
+
+    try {
+      SimpleDateFormat df = new SimpleDateFormat(ExportLogsCommand.FORMAT);
+      return df.parse(dateString).toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
+    } catch (ParseException e) {
+      try {
+        SimpleDateFormat df = new SimpleDateFormat(ExportLogsCommand.ONLY_DATE_FORMAT);
+        return df.parse(dateString).toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
+      } catch (ParseException e1) {
+        return null;
+      }
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunctionJUnitTest.java
----------------------------------------------------------------------
diff --git a/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunctionJUnitTest.java b/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunctionJUnitTest.java
index 4c1f2cb..9d6ff52 100644
--- a/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunctionJUnitTest.java
+++ b/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunctionJUnitTest.java
@@ -48,7 +48,6 @@ import org.apache.geode.cache.execute.ResultSender;
 import org.apache.geode.cache.server.CacheServer;
 import org.apache.geode.cache.server.ClientSubscriptionConfig;
 import org.apache.geode.cache.wan.GatewaySender;
-import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
 import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.lang.Filter;
@@ -204,8 +203,8 @@ public class DescribeDiskStoreFunctionJUnitTest {
     return cacheServerDetails;
   }
 
-  private DescribeDiskStoreFunction createDescribeDiskStoreFunction(final Cache cache) {
-    return new TestDescribeDiskStoreFunction(cache);
+  private DescribeDiskStoreFunction createDescribeDiskStoreFunction() {
+    return new DescribeDiskStoreFunction();
   }
 
   private File[] createFileArray(final String... locations) {
@@ -520,6 +519,8 @@ public class DescribeDiskStoreFunctionJUnitTest {
         will(returnValue(diskStoreName));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
@@ -535,7 +536,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
     final Set<DiskStoreDetails.AsyncEventQueueDetails> expectedAsyncEventQueueDetails =
         setupAsyncEventQueuesForTestExecute(mockCache, diskStoreName);
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.execute(mockFunctionContext);
 
@@ -585,32 +586,6 @@ public class DescribeDiskStoreFunctionJUnitTest {
   }
 
   @Test
-  public void testExecuteOnMemberHavingANonGemFireCache() throws Throwable {
-    final Cache mockCache = mockContext.mock(Cache.class, "Cache");
-
-    final FunctionContext mockFunctionContext =
-        mockContext.mock(FunctionContext.class, "FunctionContext");
-
-    final TestResultSender testResultSender = new TestResultSender();
-
-    mockContext.checking(new Expectations() {
-      {
-        exactly(0).of(mockFunctionContext).getResultSender();
-        will(returnValue(testResultSender));
-      }
-    });
-
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
-
-    function.execute(mockFunctionContext);
-
-    final List<?> results = testResultSender.getResults();
-
-    assertNotNull(results);
-    assertTrue(results.isEmpty());
-  }
-
-  @Test
   public void testExecuteThrowingDiskStoreNotFoundException() throws Exception {
     final String diskStoreName = "testDiskStore";
     final String memberId = "mockMemberId";
@@ -640,10 +615,12 @@ public class DescribeDiskStoreFunctionJUnitTest {
         will(returnValue(diskStoreName));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.execute(mockFunctionContext);
 
@@ -683,10 +660,12 @@ public class DescribeDiskStoreFunctionJUnitTest {
         will(returnValue(diskStoreName));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.execute(mockFunctionContext);
 
@@ -740,10 +719,12 @@ public class DescribeDiskStoreFunctionJUnitTest {
         will(returnValue(diskStoreName));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.execute(mockFunctionContext);
 
@@ -769,7 +750,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(expectedDiskStoreName, function.getDiskStoreName(mockRegion));
   }
@@ -789,7 +770,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(DiskStoreDetails.DEFAULT_DISK_STORE_NAME, function.getDiskStoreName(mockRegion));
   }
@@ -813,7 +794,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isOverflowToDisk(mockRegion));
   }
@@ -837,7 +818,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isOverflowToDisk(mockRegion));
   }
@@ -857,7 +838,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isOverflowToDisk(mockRegion));
   }
@@ -877,7 +858,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isPersistent(mockRegion));
   }
@@ -897,7 +878,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isPersistent(mockRegion));
   }
@@ -917,7 +898,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isPersistent(mockRegion));
   }
@@ -937,7 +918,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isPersistent(mockRegion));
   }
@@ -957,7 +938,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isPersistent(mockRegion));
   }
@@ -977,7 +958,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isPersistent(mockRegion));
   }
@@ -1002,7 +983,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockRegion, mockDiskStore));
   }
@@ -1029,7 +1010,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockRegion, mockDiskStore));
   }
@@ -1062,7 +1043,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockRegion, mockDiskStore));
   }
@@ -1087,7 +1068,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isUsingDiskStore(mockRegion, mockDiskStore));
   }
@@ -1237,7 +1218,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
 
     final DiskStoreDetails diskStoreDetails = new DiskStoreDetails(diskStoreName, "memberOne");
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.setRegionDetails(mockCache, mockDiskStore, diskStoreDetails);
 
@@ -1261,7 +1242,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(expectedDiskStoreName, function.getDiskStoreName(mockCacheServer));
   }
@@ -1281,7 +1262,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(DiskStoreDetails.DEFAULT_DISK_STORE_NAME,
         function.getDiskStoreName(mockCacheServer));
@@ -1298,7 +1279,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertNull(function.getDiskStoreName(mockCacheServer));
   }
@@ -1323,7 +1304,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockCacheServer, mockDiskStore));
   }
@@ -1346,7 +1327,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isUsingDiskStore(mockCacheServer, mockDiskStore));
   }
@@ -1369,7 +1350,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockCacheServer, mockDiskStore));
   }
@@ -1421,7 +1402,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
 
     final DiskStoreDetails diskStoreDetails = new DiskStoreDetails(diskStoreName, "memberOne");
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.setCacheServerDetails(mockCache, mockDiskStore, diskStoreDetails);
 
@@ -1441,7 +1422,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(expectedDiskStoreName, function.getDiskStoreName(mockGatewaySender));
   }
@@ -1457,7 +1438,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(DiskStoreDetails.DEFAULT_DISK_STORE_NAME,
         function.getDiskStoreName(mockGatewaySender));
@@ -1474,7 +1455,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isPersistent(mockGatewaySender));
   }
@@ -1490,7 +1471,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isPersistent(mockGatewaySender));
   }
@@ -1512,7 +1493,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockGatewaySender, mockDiskStore));
   }
@@ -1532,7 +1513,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isUsingDiskStore(mockGatewaySender, mockDiskStore));
   }
@@ -1552,7 +1533,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockGatewaySender, mockDiskStore));
   }
@@ -1578,7 +1559,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
 
     final DiskStoreDetails diskStoreDetails = new DiskStoreDetails(diskStoreName, "memberOne");
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.setPdxSerializationDetails(mockCache, mockDiskStore, diskStoreDetails);
 
@@ -1604,7 +1585,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
 
     final DiskStoreDetails diskStoreDetails = new DiskStoreDetails("testDiskStore", "memberOne");
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.setPdxSerializationDetails(mockCache, mockDiskStore, diskStoreDetails);
 
@@ -1626,7 +1607,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
 
     final DiskStoreDetails diskStoreDetails = new DiskStoreDetails("testDiskStore", "memberOne");
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.setPdxSerializationDetails(mockCache, mockDiskStore, diskStoreDetails);
 
@@ -1646,7 +1627,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(expectedDiskStoreName, function.getDiskStoreName(mockQueue));
   }
@@ -1662,7 +1643,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertEquals(DiskStoreDetails.DEFAULT_DISK_STORE_NAME, function.getDiskStoreName(mockQueue));
   }
@@ -1686,7 +1667,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockQueue, mockDiskStore));
   }
@@ -1708,7 +1689,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isUsingDiskStore(mockQueue, mockDiskStore));
   }
@@ -1728,7 +1709,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertFalse(function.isUsingDiskStore(mockQueue, mockDiskStore));
   }
@@ -1750,7 +1731,7 @@ public class DescribeDiskStoreFunctionJUnitTest {
       }
     });
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(null);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     assertTrue(function.isUsingDiskStore(mockQueue, mockDiskStore));
   }
@@ -1793,27 +1774,13 @@ public class DescribeDiskStoreFunctionJUnitTest {
 
     final DiskStoreDetails diskStoreDetails = new DiskStoreDetails(diskStoreName, "memberOne");
 
-    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction(mockCache);
+    final DescribeDiskStoreFunction function = createDescribeDiskStoreFunction();
 
     function.setAsyncEventQueueDetails(mockCache, mockDiskStore, diskStoreDetails);
 
     assertAsyncEventQueueDetails(expectedAsyncEventQueueDetails, diskStoreDetails);
   }
 
-  private static class TestDescribeDiskStoreFunction extends DescribeDiskStoreFunction {
-
-    private final Cache cache;
-
-    public TestDescribeDiskStoreFunction(final Cache cache) {
-      this.cache = cache;
-    }
-
-    @Override
-    protected Cache getCache() {
-      return this.cache;
-    }
-  }
-
   private static class TestResultSender implements ResultSender {
 
     private final List<Object> results = new LinkedList<>();

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunctionJUnitTest.java
----------------------------------------------------------------------
diff --git a/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunctionJUnitTest.java b/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunctionJUnitTest.java
index a8b9193..67c9503 100644
--- a/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunctionJUnitTest.java
+++ b/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunctionJUnitTest.java
@@ -34,11 +34,9 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
-import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.ResultSender;
-import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
 import org.apache.geode.internal.cache.DiskStoreImpl;
 import org.apache.geode.internal.cache.InternalCache;
@@ -85,8 +83,8 @@ public class ListDiskStoresFunctionJUnitTest {
     return new DiskStoreDetails(id, name, memberId, memberName);
   }
 
-  private ListDiskStoresFunction createListDiskStoresFunction(final Cache cache) {
-    return new TestListDiskStoresFunction(cache);
+  private ListDiskStoresFunction createListDiskStoresFunction() {
+    return new ListDiskStoresFunction();
   }
 
   @Test
@@ -144,10 +142,12 @@ public class ListDiskStoresFunctionJUnitTest {
         will(returnValue("ds-persistence"));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final ListDiskStoresFunction function = createListDiskStoresFunction(mockCache);
+    final ListDiskStoresFunction function = createListDiskStoresFunction();
 
     function.execute(mockFunctionContext);
 
@@ -171,13 +171,7 @@ public class ListDiskStoresFunctionJUnitTest {
     final FunctionContext mockFunctionContext =
         mockContext.mock(FunctionContext.class, "MockFunctionContext");
 
-    final ListDiskStoresFunction testListDiskStoresFunction =
-        new TestListDiskStoresFunction(mockContext.mock(Cache.class, "MockCache")) {
-          @Override
-          protected Cache getCache() {
-            throw new CacheClosedException("Expected");
-          }
-        };
+    final ListDiskStoresFunction testListDiskStoresFunction = new ListDiskStoresFunction();
 
     final TestResultSender testResultSender = new TestResultSender();
 
@@ -185,6 +179,9 @@ public class ListDiskStoresFunctionJUnitTest {
       {
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+
+        allowing(mockFunctionContext).getCache();
+        will(throwException(new CacheClosedException("Expected")));
       }
     });
 
@@ -219,10 +216,12 @@ public class ListDiskStoresFunctionJUnitTest {
         will(returnValue(Collections.emptyList()));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final ListDiskStoresFunction function = createListDiskStoresFunction(mockCache);
+    final ListDiskStoresFunction function = createListDiskStoresFunction();
 
     function.execute(mockFunctionContext);
 
@@ -240,7 +239,7 @@ public class ListDiskStoresFunctionJUnitTest {
   @Test
   @SuppressWarnings("unchecked")
   public void testExecuteOnMemberWithANonGemFireCache() throws Throwable {
-    final Cache mockCache = mockContext.mock(Cache.class, "Cache");
+    final InternalCache mockCache = mockContext.mock(InternalCache.class, "InternalCache");
 
     final FunctionContext mockFunctionContext =
         mockContext.mock(FunctionContext.class, "FunctionContext");
@@ -251,10 +250,14 @@ public class ListDiskStoresFunctionJUnitTest {
       {
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
+        allowing(mockCache).getMyId();
+        allowing(mockCache).listDiskStoresIncludingRegionOwned();
       }
     });
 
-    final ListDiskStoresFunction function = createListDiskStoresFunction(mockCache);
+    final ListDiskStoresFunction function = createListDiskStoresFunction();
 
     function.execute(mockFunctionContext);
 
@@ -289,10 +292,12 @@ public class ListDiskStoresFunctionJUnitTest {
         will(throwException(new RuntimeException("expected")));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final ListDiskStoresFunction function = createListDiskStoresFunction(mockCache);
+    final ListDiskStoresFunction function = createListDiskStoresFunction();
 
     function.execute(mockFunctionContext);
 
@@ -305,21 +310,6 @@ public class ListDiskStoresFunctionJUnitTest {
     }
   }
 
-  private static class TestListDiskStoresFunction extends ListDiskStoresFunction {
-
-    private final Cache cache;
-
-    public TestListDiskStoresFunction(final Cache cache) {
-      assert cache != null : "The Cache cannot be null!";
-      this.cache = cache;
-    }
-
-    @Override
-    protected Cache getCache() {
-      return cache;
-    }
-  }
-
   private static class TestResultSender implements ResultSender {
 
     private final List<Object> results = new LinkedList<Object>();

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListIndexFunctionJUnitTest.java
----------------------------------------------------------------------
diff --git a/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListIndexFunctionJUnitTest.java b/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListIndexFunctionJUnitTest.java
index 583aa56..335598c 100644
--- a/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListIndexFunctionJUnitTest.java
+++ b/geode-core/src/test/java/org/apache/geode/management/internal/cli/functions/ListIndexFunctionJUnitTest.java
@@ -155,8 +155,8 @@ public class ListIndexFunctionJUnitTest {
     return indexStatisticsDetails;
   }
 
-  private ListIndexFunction createListIndexFunction(final Cache cache) {
-    return new TestListIndexFunction(cache);
+  private ListIndexFunction createListIndexFunction() {
+    return new ListIndexFunction();
   }
 
   private Index createMockIndex(final IndexDetails indexDetails) {
@@ -297,10 +297,12 @@ public class ListIndexFunctionJUnitTest {
                 createMockIndex(indexDetailsThree), createMockIndex(indexDetailsFour))));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final ListIndexFunction function = createListIndexFunction(mockCache);
+    final ListIndexFunction function = createListIndexFunction();
 
     function.execute(mockFunctionContext);
 
@@ -357,10 +359,12 @@ public class ListIndexFunctionJUnitTest {
         will(returnValue(Collections.emptyList()));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final ListIndexFunction function = createListIndexFunction(mockCache);
+    final ListIndexFunction function = createListIndexFunction();
 
     function.execute(mockFunctionContext);
 
@@ -403,10 +407,12 @@ public class ListIndexFunctionJUnitTest {
         will(throwException(new RuntimeException("expected")));
         oneOf(mockFunctionContext).getResultSender();
         will(returnValue(testResultSender));
+        allowing(mockFunctionContext).getCache();
+        will(returnValue(mockCache));
       }
     });
 
-    final ListIndexFunction function = createListIndexFunction(mockCache);
+    final ListIndexFunction function = createListIndexFunction();
 
     function.execute(mockFunctionContext);
 
@@ -419,21 +425,6 @@ public class ListIndexFunctionJUnitTest {
     }
   }
 
-  private static class TestListIndexFunction extends ListIndexFunction {
-
-    private final Cache cache;
-
-    protected TestListIndexFunction(final Cache cache) {
-      assert cache != null : "The Cache cannot be null!";
-      this.cache = cache;
-    }
-
-    @Override
-    protected Cache getCache() {
-      return this.cache;
-    }
-  }
-
   private static class TestResultSender implements ResultSender {
 
     private final List<Object> results = new LinkedList<Object>();


[2/3] geode git commit: Convert to use FunctionContext.getCache()

Posted by kl...@apache.org.
http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunction.java
index 68cc2e0..cf870ca 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DescribeDiskStoreFunction.java
@@ -12,18 +12,20 @@
  * or implied. See the License for the specific language governing permissions and limitations under
  * the License.
  */
-
 package org.apache.geode.management.internal.cli.functions;
 
+import java.io.File;
+import java.util.Properties;
+
 import org.apache.commons.lang.StringUtils;
+import org.apache.logging.log4j.Logger;
+
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.DataPolicy;
 import org.apache.geode.cache.DiskStore;
 import org.apache.geode.cache.EvictionAction;
 import org.apache.geode.cache.Region;
 import org.apache.geode.cache.asyncqueue.AsyncEventQueue;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.server.CacheServer;
 import org.apache.geode.cache.wan.GatewaySender;
@@ -35,12 +37,6 @@ import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.internal.util.ArrayUtils;
 import org.apache.geode.management.internal.cli.domain.DiskStoreDetails;
 import org.apache.geode.management.internal.cli.util.DiskStoreNotFoundException;
-import org.apache.logging.log4j.Logger;
-
-import java.io.File;
-import java.util.HashSet;
-import java.util.Properties;
-import java.util.Set;
 
 /**
  * The DescribeDiskStoreFunction class is an implementation of a GemFire Function used to collect
@@ -55,17 +51,10 @@ import java.util.Set;
  * @see org.apache.geode.management.internal.cli.domain.DiskStoreDetails
  * @since GemFire 7.0
  */
-public class DescribeDiskStoreFunction extends FunctionAdapter implements InternalEntity {
+public class DescribeDiskStoreFunction implements InternalEntity, Function {
 
   private static final Logger logger = LogService.getLogger();
 
-  private static final Set<DataPolicy> PERSISTENT_DATA_POLICIES = new HashSet<>(2);
-
-  static {
-    PERSISTENT_DATA_POLICIES.add(DataPolicy.PERSISTENT_PARTITION);
-    PERSISTENT_DATA_POLICIES.add(DataPolicy.PERSISTENT_REPLICATE);
-  }
-
   protected static void assertState(final boolean condition, final String message,
       final Object... args) {
     if (!condition) {
@@ -73,61 +62,46 @@ public class DescribeDiskStoreFunction extends FunctionAdapter implements Intern
     }
   }
 
-  protected Cache getCache() {
-    return CacheFactory.getAnyInstance();
-  }
-
-  public String getId() {
-    return getClass().getName();
-  }
-
-  @SuppressWarnings("unused")
-  public void init(final Properties props) {}
-
   public void execute(final FunctionContext context) {
-    Cache cache = getCache();
+    InternalCache cache = (InternalCache) context.getCache();
 
     try {
-      if (cache instanceof InternalCache) {
-        InternalCache gemfireCache = (InternalCache) cache;
-
-        DistributedMember member = gemfireCache.getMyId();
-
-        String diskStoreName = (String) context.getArguments();
-        String memberId = member.getId();
-        String memberName = member.getName();
-
-        DiskStore diskStore = gemfireCache.findDiskStore(diskStoreName);
-
-        if (diskStore != null) {
-          DiskStoreDetails diskStoreDetails = new DiskStoreDetails(diskStore.getDiskStoreUUID(),
-              diskStore.getName(), memberId, memberName);
-
-          diskStoreDetails.setAllowForceCompaction(diskStore.getAllowForceCompaction());
-          diskStoreDetails.setAutoCompact(diskStore.getAutoCompact());
-          diskStoreDetails.setCompactionThreshold(diskStore.getCompactionThreshold());
-          diskStoreDetails.setMaxOplogSize(diskStore.getMaxOplogSize());
-          diskStoreDetails.setQueueSize(diskStore.getQueueSize());
-          diskStoreDetails.setTimeInterval(diskStore.getTimeInterval());
-          diskStoreDetails.setWriteBufferSize(diskStore.getWriteBufferSize());
-          diskStoreDetails.setDiskUsageWarningPercentage(diskStore.getDiskUsageWarningPercentage());
-          diskStoreDetails
-              .setDiskUsageCriticalPercentage(diskStore.getDiskUsageCriticalPercentage());
-
-          setDiskDirDetails(diskStore, diskStoreDetails);
-          setRegionDetails(gemfireCache, diskStore, diskStoreDetails);
-          setCacheServerDetails(gemfireCache, diskStore, diskStoreDetails);
-          setGatewayDetails(gemfireCache, diskStore, diskStoreDetails);
-          setPdxSerializationDetails(gemfireCache, diskStore, diskStoreDetails);
-          setAsyncEventQueueDetails(gemfireCache, diskStore, diskStoreDetails);
-
-          context.getResultSender().lastResult(diskStoreDetails);
-        } else {
-          context.getResultSender()
-              .sendException(new DiskStoreNotFoundException(
-                  String.format("A disk store with name (%1$s) was not found on member (%2$s).",
-                      diskStoreName, memberName)));
-        }
+      DistributedMember member = cache.getMyId();
+
+      String diskStoreName = (String) context.getArguments();
+      String memberId = member.getId();
+      String memberName = member.getName();
+
+      DiskStore diskStore = cache.findDiskStore(diskStoreName);
+
+      if (diskStore != null) {
+        DiskStoreDetails diskStoreDetails = new DiskStoreDetails(diskStore.getDiskStoreUUID(),
+            diskStore.getName(), memberId, memberName);
+
+        diskStoreDetails.setAllowForceCompaction(diskStore.getAllowForceCompaction());
+        diskStoreDetails.setAutoCompact(diskStore.getAutoCompact());
+        diskStoreDetails.setCompactionThreshold(diskStore.getCompactionThreshold());
+        diskStoreDetails.setMaxOplogSize(diskStore.getMaxOplogSize());
+        diskStoreDetails.setQueueSize(diskStore.getQueueSize());
+        diskStoreDetails.setTimeInterval(diskStore.getTimeInterval());
+        diskStoreDetails.setWriteBufferSize(diskStore.getWriteBufferSize());
+        diskStoreDetails.setDiskUsageWarningPercentage(diskStore.getDiskUsageWarningPercentage());
+        diskStoreDetails
+            .setDiskUsageCriticalPercentage(diskStore.getDiskUsageCriticalPercentage());
+
+        setDiskDirDetails(diskStore, diskStoreDetails);
+        setRegionDetails(cache, diskStore, diskStoreDetails);
+        setCacheServerDetails(cache, diskStore, diskStoreDetails);
+        setGatewayDetails(cache, diskStore, diskStoreDetails);
+        setPdxSerializationDetails(cache, diskStore, diskStoreDetails);
+        setAsyncEventQueueDetails(cache, diskStore, diskStoreDetails);
+
+        context.getResultSender().lastResult(diskStoreDetails);
+      } else {
+        context.getResultSender()
+            .sendException(new DiskStoreNotFoundException(
+                String.format("A disk store with name (%1$s) was not found on member (%2$s).",
+                    diskStoreName, memberName)));
       }
     } catch (Exception e) {
       logger.error("Error occurred while executing 'describe disk-store': {}!", e.getMessage(), e);

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyDiskStoreFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyDiskStoreFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyDiskStoreFunction.java
index c25a534..9dd3a7d 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyDiskStoreFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyDiskStoreFunction.java
@@ -18,9 +18,8 @@ import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.DiskStore;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.internal.InternalEntity;
@@ -34,14 +33,11 @@ import org.apache.geode.management.internal.configuration.domain.XmlEntity;
  * 
  * @since GemFire 8.0
  */
-public class DestroyDiskStoreFunction extends FunctionAdapter implements InternalEntity {
-  private static final Logger logger = LogService.getLogger();
+public class DestroyDiskStoreFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(FunctionContext context) {
@@ -52,7 +48,7 @@ public class DestroyDiskStoreFunction extends FunctionAdapter implements Interna
       final Object[] args = (Object[]) context.getArguments();
       final String diskStoreName = (String) args[0];
 
-      InternalCache cache = getCache();
+      InternalCache cache = (InternalCache) context.getCache();
 
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
@@ -95,8 +91,4 @@ public class DestroyDiskStoreFunction extends FunctionAdapter implements Interna
     }
   }
 
-  @Override
-  public String getId() {
-    return CreateDiskStoreFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyIndexFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyIndexFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyIndexFunction.java
index 24322bc..be8bcd5 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyIndexFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DestroyIndexFunction.java
@@ -18,9 +18,8 @@ import java.util.List;
 
 import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Region;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.query.Index;
 import org.apache.geode.cache.query.QueryService;
@@ -30,9 +29,7 @@ import org.apache.geode.management.internal.cli.domain.IndexInfo;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 
-
-
-public class DestroyIndexFunction extends FunctionAdapter implements InternalEntity {
+public class DestroyIndexFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
@@ -42,7 +39,7 @@ public class DestroyIndexFunction extends FunctionAdapter implements InternalEnt
     String memberId = null;
 
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       memberId = cache.getDistributedSystem().getDistributedMember().getId();
       QueryService queryService = cache.getQueryService();
       String indexName = indexInfo.getIndexName();
@@ -94,10 +91,7 @@ public class DestroyIndexFunction extends FunctionAdapter implements InternalEnt
     }
   }
 
-  /***
-   * 
-   * @param name
-   * @param queryService
+  /**
    * @return true if the index was found and removed/false if the index was not found.
    */
   private boolean removeIndexByName(String name, QueryService queryService) {
@@ -115,9 +109,4 @@ public class DestroyIndexFunction extends FunctionAdapter implements InternalEnt
     return removed;
   }
 
-  @Override
-  public String getId() {
-    return DestroyIndexFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportConfigFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportConfigFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportConfigFunction.java
index 49e27b0..8da4141 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportConfigFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportConfigFunction.java
@@ -23,7 +23,6 @@ import org.apache.logging.log4j.Logger;
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
@@ -35,19 +34,18 @@ import org.apache.geode.internal.cache.xmlcache.CacheXmlGenerator;
 import org.apache.geode.internal.logging.LogService;
 
 public class ExportConfigFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
-  public static final String ID = ExportConfigFunction.class.getName();
 
   private static final long serialVersionUID = 1L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
   public void execute(FunctionContext context) {
     // Declared here so that it's available when returning a Throwable
     String memberId = "";
 
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
       memberId = member.getId();
@@ -116,11 +114,6 @@ public class ExportConfigFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }
@@ -134,4 +127,5 @@ public class ExportConfigFunction implements Function, InternalEntity {
   public boolean isHA() {
     return false;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportDataFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportDataFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportDataFunction.java
index 537678f..23a648e 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportDataFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportDataFunction.java
@@ -17,26 +17,20 @@ package org.apache.geode.management.internal.cli.functions;
 import java.io.File;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Region;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.snapshot.RegionSnapshotService;
 import org.apache.geode.cache.snapshot.SnapshotOptions.SnapshotFormat;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
-/***
+/**
  * Function which carries out the export of a region to a file on a member. Uses the
  * RegionSnapshotService to export the data
- * 
- *
  */
-public class ExportDataFunction extends FunctionAdapter implements InternalEntity {
+public class ExportDataFunction implements InternalEntity, Function {
 
-  /**
-   * 
-   */
   private static final long serialVersionUID = 1L;
 
   public void execute(FunctionContext context) {
@@ -45,7 +39,7 @@ public class ExportDataFunction extends FunctionAdapter implements InternalEntit
     final String fileName = args[1];
 
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       Region<?, ?> region = cache.getRegion(regionName);
       String hostName = cache.getDistributedSystem().getDistributedMember().getHost();
       if (region != null) {
@@ -65,8 +59,4 @@ public class ExportDataFunction extends FunctionAdapter implements InternalEntit
     }
   }
 
-  public String getId() {
-    return ExportDataFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportLogsFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportLogsFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportLogsFunction.java
index b2a7e7e..d88c217 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportLogsFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ExportLogsFunction.java
@@ -20,10 +20,7 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.Serializable;
 import java.nio.file.Path;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.time.LocalDateTime;
-import java.time.ZoneId;
 import java.util.Arrays;
 
 import org.apache.commons.lang.StringUtils;
@@ -38,7 +35,6 @@ import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.internal.DistributionConfig;
 import org.apache.geode.internal.InternalEntity;
-import org.apache.geode.internal.cache.GemFireCacheImpl;
 import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.cache.InternalRegionArguments;
 import org.apache.geode.internal.logging.LogService;
@@ -47,21 +43,25 @@ import org.apache.geode.management.internal.cli.commands.ExportLogsCommand;
 import org.apache.geode.management.internal.cli.util.ExportLogsCacheWriter;
 import org.apache.geode.management.internal.cli.util.LogExporter;
 import org.apache.geode.management.internal.cli.util.LogFilter;
+import org.apache.geode.management.internal.cli.util.TimeParser;
 import org.apache.geode.management.internal.configuration.domain.Configuration;
 
 /**
- * this function extracts the logs using a LogExporter which creates a zip file, and then writes the
+ * Extracts the logs using a LogExporter which creates a zip file, and then writes the
  * zip file bytes into a replicated region, this in effect, "stream" the zip file bytes to the
  * locator
  *
+ * <p>
  * The function only extracts .log and .gfs files under server's working directory
  */
 public class ExportLogsFunction implements Function, InternalEntity {
+
+  private static final long serialVersionUID = 1L;
+
   private static final Logger logger = LogService.getLogger();
 
   public static final String EXPORT_LOGS_REGION = "__exportLogsRegion";
 
-  private static final long serialVersionUID = 1L;
   private static final int BUFFER_SIZE = 1024;
 
   @Override
@@ -155,6 +155,7 @@ public class ExportLogsFunction implements Function, InternalEntity {
   }
 
   public static class Args implements Serializable {
+
     private LocalDateTime startTime;
     private LocalDateTime endTime;
     private Level logLevel;
@@ -164,8 +165,8 @@ public class ExportLogsFunction implements Function, InternalEntity {
 
     public Args(String startTime, String endTime, String logLevel, boolean logLevelOnly,
         boolean logsOnly, boolean statsOnly) {
-      this.startTime = parseTime(startTime);
-      this.endTime = parseTime(endTime);
+      this.startTime = TimeParser.parseTime(startTime);
+      this.endTime = TimeParser.parseTime(endTime);
 
       if (StringUtils.isBlank(logLevel)) {
         this.logLevel = LogLevel.getLevel(ExportLogsCommand.DEFAULT_EXPORT_LOG_LEVEL);
@@ -203,21 +204,4 @@ public class ExportLogsFunction implements Function, InternalEntity {
     }
   }
 
-  public static LocalDateTime parseTime(String dateString) {
-    if (dateString == null) {
-      return null;
-    }
-
-    try {
-      SimpleDateFormat df = new SimpleDateFormat(ExportLogsCommand.FORMAT);
-      return df.parse(dateString).toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
-    } catch (ParseException e) {
-      try {
-        SimpleDateFormat df = new SimpleDateFormat(ExportLogsCommand.ONLY_DATE_FORMAT);
-        return df.parse(dateString).toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
-      } catch (ParseException e1) {
-        return null;
-      }
-    }
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchRegionAttributesFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchRegionAttributesFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchRegionAttributesFunction.java
index 1173568..8e44ce3 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchRegionAttributesFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchRegionAttributesFunction.java
@@ -20,29 +20,24 @@ import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.AttributesFactory;
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.CacheListener;
 import org.apache.geode.cache.CacheLoader;
 import org.apache.geode.cache.CacheWriter;
 import org.apache.geode.cache.Region;
 import org.apache.geode.cache.RegionAttributes;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
 /**
- * 
  * @since GemFire 7.0
  */
-public class FetchRegionAttributesFunction extends FunctionAdapter {
-  private static final Logger logger = LogService.getLogger();
+public class FetchRegionAttributesFunction implements Function {
 
   private static final long serialVersionUID = 4366812590788342070L;
 
-  private static final String ID = FetchRegionAttributesFunction.class.getName();
-
-  public static FetchRegionAttributesFunction INSTANCE = new FetchRegionAttributesFunction();
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public boolean isHA() {
@@ -57,7 +52,7 @@ public class FetchRegionAttributesFunction extends FunctionAdapter {
         throw new IllegalArgumentException(
             CliStrings.CREATE_REGION__MSG__SPECIFY_VALID_REGION_PATH);
       }
-      FetchRegionAttributesFunctionResult<?, ?> result = getRegionAttributes(regionPath);
+      FetchRegionAttributesFunctionResult<?, ?> result = getRegionAttributes(context.getCache(), regionPath);
       context.getResultSender().lastResult(result);
     } catch (IllegalArgumentException e) {
       if (logger.isDebugEnabled()) {
@@ -67,10 +62,8 @@ public class FetchRegionAttributesFunction extends FunctionAdapter {
     }
   }
 
-  @SuppressWarnings("deprecation")
   public static <K, V> FetchRegionAttributesFunctionResult<K, V> getRegionAttributes(
-      String regionPath) {
-    Cache cache = CacheFactory.getAnyInstance();
+      Cache cache, String regionPath) {
     Region<K, V> foundRegion = cache.getRegion(regionPath);
 
     if (foundRegion == null) {
@@ -87,12 +80,8 @@ public class FetchRegionAttributesFunction extends FunctionAdapter {
     return result;
   }
 
-  @Override
-  public String getId() {
-    return ID;
-  }
-
   public static class FetchRegionAttributesFunctionResult<K, V> implements Serializable {
+
     private static final long serialVersionUID = -3970828263897978845L;
 
     private RegionAttributes<K, V> regionAttributes;
@@ -143,4 +132,5 @@ public class FetchRegionAttributesFunction extends FunctionAdapter {
       return cacheWriterClass;
     }
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchSharedConfigurationStatusFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchSharedConfigurationStatusFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchSharedConfigurationStatusFunction.java
index c688d7a..06538ab 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchSharedConfigurationStatusFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/FetchSharedConfigurationStatusFunction.java
@@ -15,24 +15,23 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import org.apache.commons.lang.StringUtils;
-import org.apache.geode.cache.execute.FunctionAdapter;
+
+import org.apache.geode.cache.Cache;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.distributed.internal.InternalLocator;
 import org.apache.geode.internal.InternalEntity;
-import org.apache.geode.internal.cache.GemFireCacheImpl;
-import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.management.internal.configuration.domain.SharedConfigurationStatus;
 
-public class FetchSharedConfigurationStatusFunction extends FunctionAdapter
-    implements InternalEntity {
+public class FetchSharedConfigurationStatusFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
   public void execute(FunctionContext context) {
     InternalLocator locator = InternalLocator.getLocator();
-    InternalCache cache = GemFireCacheImpl.getInstance();
+    Cache cache = context.getCache();
     DistributedMember member = cache.getDistributedSystem().getDistributedMember();
     SharedConfigurationStatus status = locator.getSharedConfigurationStatus().getStatus();
 
@@ -45,9 +44,4 @@ public class FetchSharedConfigurationStatusFunction extends FunctionAdapter
     context.getResultSender().lastResult(result);
   }
 
-  @Override
-  public String getId() {
-    return FetchSharedConfigurationStatusFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GarbageCollectionFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GarbageCollectionFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GarbageCollectionFunction.java
index 46588eb..1d5f420 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GarbageCollectionFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GarbageCollectionFunction.java
@@ -16,8 +16,8 @@ package org.apache.geode.management.internal.cli.functions;
 
 import java.util.HashMap;
 import java.util.Map;
+
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
@@ -26,14 +26,9 @@ import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.util.BytesToString;
 
 /**
- * 
  * Class for Garbage collection function
- * 
- * 
- * 
  */
 public class GarbageCollectionFunction implements Function, InternalEntity {
-  public static final String ID = GarbageCollectionFunction.class.getName();
 
   private static final long serialVersionUID = 1L;
 
@@ -43,7 +38,7 @@ public class GarbageCollectionFunction implements Function, InternalEntity {
 
     Map<String, String> resultMap = null;
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
       long freeMemoryBeforeGC = Runtime.getRuntime().freeMemory();
       long totalMemoryBeforeGC = Runtime.getRuntime().totalMemory();
@@ -68,14 +63,10 @@ public class GarbageCollectionFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return GarbageCollectionFunction.ID;
-  }
-
-  @Override
   public boolean isHA() {
     return false;
   }
+
 }
 
 

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverCreateFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverCreateFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverCreateFunction.java
index a7dc7ea..2bf8de5 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverCreateFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverCreateFunction.java
@@ -20,8 +20,7 @@ import java.util.Map;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.ResultSender;
 import org.apache.geode.cache.wan.GatewayReceiver;
@@ -38,21 +37,17 @@ import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 /**
  * The function to a create GatewayReceiver using given configuration parameters.
  */
-public class GatewayReceiverCreateFunction extends FunctionAdapter implements InternalEntity {
-
-  private static final Logger logger = LogService.getLogger();
+public class GatewayReceiverCreateFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 8746830191680509335L;
 
-  private static final String ID = GatewayReceiverCreateFunction.class.getName();
-
-  public static GatewayReceiverCreateFunction INSTANCE = new GatewayReceiverCreateFunction();
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(FunctionContext context) {
     ResultSender<Object> resultSender = context.getResultSender();
 
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
 
@@ -80,7 +75,6 @@ public class GatewayReceiverCreateFunction extends FunctionAdapter implements In
               CliStrings.CREATE_GATEWAYRECEIVER__MSG__GATEWAYRECEIVER_CREATED_ON_0_ONPORT_1,
               new Object[] {memberNameOrId, createdGatewayReceiver.getPort()})));
 
-
     } catch (IllegalStateException e) {
       resultSender.lastResult(handleException(memberNameOrId, e.getMessage(), e));
     } catch (Exception e) {
@@ -90,7 +84,6 @@ public class GatewayReceiverCreateFunction extends FunctionAdapter implements In
       }
       resultSender.lastResult(handleException(memberNameOrId, exceptionMsg, e));
     }
-
   }
 
   private CliFunctionResult handleException(final String memberNameOrId, final String exceptionMsg,
@@ -107,10 +100,6 @@ public class GatewayReceiverCreateFunction extends FunctionAdapter implements In
 
   /**
    * GatewayReceiver creation happens here.
-   * 
-   * @param cache
-   * @param gatewayReceiverCreateArgs
-   * @return GatewayReceiver
    */
   private static GatewayReceiver createGatewayReceiver(Cache cache,
       GatewayReceiverFunctionArgs gatewayReceiverCreateArgs) {
@@ -160,7 +149,6 @@ public class GatewayReceiverCreateFunction extends FunctionAdapter implements In
     return gatewayReceiverFactory.create();
   }
 
-  @SuppressWarnings("unchecked")
   private static Class forName(String classToLoadName, String neededFor) {
     Class loadedClass = null;
     try {
@@ -199,9 +187,4 @@ public class GatewayReceiverCreateFunction extends FunctionAdapter implements In
     return instance;
   }
 
-  @Override
-  public String getId() {
-    return ID;
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverFunctionArgs.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverFunctionArgs.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverFunctionArgs.java
index 2084af9..c190f45 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverFunctionArgs.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewayReceiverFunctionArgs.java
@@ -20,20 +20,15 @@ import java.io.Serializable;
  * This class stores the arguments provided in the create gateway-receiver command.
  */
 public class GatewayReceiverFunctionArgs implements Serializable {
+
   private static final long serialVersionUID = -5158224572470173267L;
 
   private final Boolean manualStart;
-
   private final Integer startPort;
-
   private final Integer endPort;
-
   private final String bindAddress;
-
   private final Integer socketBufferSize;
-
   private final Integer maximumTimeBetweenPings;
-
   private final String[] gatewayTransportFilters;
 
   public GatewayReceiverFunctionArgs(Boolean manualStart, Integer startPort, Integer endPort,
@@ -75,4 +70,5 @@ public class GatewayReceiverFunctionArgs implements Serializable {
   public String[] getGatewayTransportFilters() {
     return this.gatewayTransportFilters;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderCreateFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderCreateFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderCreateFunction.java
index 33bffd8..d86d89e 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderCreateFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderCreateFunction.java
@@ -17,8 +17,7 @@ package org.apache.geode.management.internal.cli.functions;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.ResultSender;
 import org.apache.geode.cache.wan.GatewayEventFilter;
@@ -35,22 +34,17 @@ import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 
-public class GatewaySenderCreateFunction extends FunctionAdapter implements InternalEntity {
-
-  private static final Logger logger = LogService.getLogger();
+public class GatewaySenderCreateFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 8746830191680509335L;
 
-  private static final String ID = GatewaySenderCreateFunction.class.getName();
-
-  public static GatewaySenderCreateFunction INSTANCE = new GatewaySenderCreateFunction();
-
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(FunctionContext context) {
     ResultSender<Object> resultSender = context.getResultSender();
 
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
 
@@ -89,10 +83,6 @@ public class GatewaySenderCreateFunction extends FunctionAdapter implements Inte
 
   /**
    * Creates the GatewaySender with given configuration.
-   * 
-   * @param cache
-   * @param gatewaySenderCreateArgs
-   * @return GatewaySender
    */
   private static GatewaySender createGatewaySender(Cache cache,
       GatewaySenderFunctionArgs gatewaySenderCreateArgs) {
@@ -189,7 +179,6 @@ public class GatewaySenderCreateFunction extends FunctionAdapter implements Inte
         gatewaySenderCreateArgs.getRemoteDistributedSystemId());
   }
 
-  @SuppressWarnings("unchecked")
   private static Class forName(String classToLoadName, String neededFor) {
     Class loadedClass = null;
     try {
@@ -228,9 +217,4 @@ public class GatewaySenderCreateFunction extends FunctionAdapter implements Inte
     return instance;
   }
 
-  @Override
-  public String getId() {
-    return ID;
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunction.java
index 2873633..ec93eef 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunction.java
@@ -14,9 +14,10 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
+import org.apache.logging.log4j.Logger;
+
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.ResultSender;
 import org.apache.geode.cache.wan.GatewaySender;
@@ -25,20 +26,18 @@ import org.apache.geode.internal.cache.wan.GatewaySenderException;
 import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
-import org.apache.logging.log4j.Logger;
 
-public class GatewaySenderDestroyFunction extends FunctionAdapter implements InternalEntity {
+public class GatewaySenderDestroyFunction implements InternalEntity, Function {
+
   private static final long serialVersionUID = 1L;
 
   private static final Logger logger = LogService.getLogger();
-  private static final String ID = GatewaySenderDestroyFunction.class.getName();
-  public static GatewaySenderDestroyFunction INSTANCE = new GatewaySenderDestroyFunction();
 
   @Override
   public void execute(FunctionContext context) {
     ResultSender<Object> resultSender = context.getResultSender();
 
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
 
@@ -82,9 +81,4 @@ public class GatewaySenderDestroyFunction extends FunctionAdapter implements Int
     return new CliFunctionResult(memberNameOrId);
   }
 
-  @Override
-  public String getId() {
-    return ID;
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunctionArgs.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunctionArgs.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunctionArgs.java
index cf3fa24..7e34e61 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunctionArgs.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderDestroyFunctionArgs.java
@@ -19,8 +19,8 @@ import java.io.Serializable;
 public class GatewaySenderDestroyFunctionArgs implements Serializable {
 
   private static final long serialVersionUID = 3848480256348119530L;
-  private String id;
 
+  private final String id;
 
   public GatewaySenderDestroyFunctionArgs(String id) {
     this.id = id;
@@ -29,5 +29,6 @@ public class GatewaySenderDestroyFunctionArgs implements Serializable {
   public String getId() {
     return id;
   }
+
 }
 

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderFunctionArgs.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderFunctionArgs.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderFunctionArgs.java
index 0e4f635..0e6e011 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderFunctionArgs.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GatewaySenderFunctionArgs.java
@@ -16,8 +16,8 @@ package org.apache.geode.management.internal.cli.functions;
 
 import java.io.Serializable;
 
-
 public class GatewaySenderFunctionArgs implements Serializable {
+
   private static final long serialVersionUID = -5158224572470173267L;
 
   private final String id;
@@ -36,7 +36,8 @@ public class GatewaySenderFunctionArgs implements Serializable {
   private final Integer alertThreshold;
   private final Integer dispatcherThreads;
   private final String orderPolicy;
-  // array of fully qualified class names of the filters
+
+  /** array of fully qualified class names of the filters */
   private final String[] gatewayEventFilters;
   private final String[] gatewayTransportFilters;
 
@@ -138,4 +139,5 @@ public class GatewaySenderFunctionArgs implements Serializable {
   public String[] getGatewayTransportFilter() {
     return this.gatewayTransportFilters;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberConfigInformationFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberConfigInformationFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberConfigInformationFunction.java
index 56ba115..e733aa1 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberConfigInformationFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberConfigInformationFunction.java
@@ -14,9 +14,19 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
+import static org.apache.geode.distributed.ConfigurationProperties.SOCKET_BUFFER_SIZE;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.RuntimeMXBean;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.server.CacheServer;
 import org.apache.geode.distributed.internal.DistributionConfig;
@@ -29,30 +39,16 @@ import org.apache.geode.internal.cache.GemFireCacheImpl;
 import org.apache.geode.internal.cache.ha.HARegionQueue;
 import org.apache.geode.management.internal.cli.domain.MemberConfigurationInfo;
 
-import java.lang.management.ManagementFactory;
-import java.lang.management.RuntimeMXBean;
-import java.util.*;
-
-import static org.apache.geode.distributed.ConfigurationProperties.*;
+public class GetMemberConfigInformationFunction implements InternalEntity, Function {
 
-/****
- * 
- *
- */
-public class GetMemberConfigInformationFunction extends FunctionAdapter implements InternalEntity {
-
-  /**
-   * 
-   */
   private static final long serialVersionUID = 1L;
 
-
   @Override
   public void execute(FunctionContext context) {
     Object argsObject = context.getArguments();
-    boolean hideDefaults = ((Boolean) argsObject).booleanValue();
+    boolean hideDefaults = (Boolean) argsObject;
 
-    Cache cache = CacheFactory.getAnyInstance();
+    Cache cache = context.getCache();
     InternalDistributedSystem system = (InternalDistributedSystem) cache.getDistributedSystem();
     DistributionConfig config = system.getConfig();
 
@@ -70,7 +66,7 @@ public class GetMemberConfigInformationFunction extends FunctionAdapter implemen
     memberConfigInfo.setGfePropsSetFromFile(distConfigImpl.getConfigPropsDefinedUsingFiles());
 
     // CacheAttributes
-    Map<String, String> cacheAttributes = new HashMap<String, String>();
+    Map<String, String> cacheAttributes = new HashMap<>();
 
     cacheAttributes.put("copy-on-read", Boolean.toString(cache.getCopyOnRead()));
     cacheAttributes.put("is-server", Boolean.toString(cache.isServer()));
@@ -96,12 +92,12 @@ public class GetMemberConfigInformationFunction extends FunctionAdapter implemen
 
     memberConfigInfo.setCacheAttributes(cacheAttributes);
 
-    List<Map<String, String>> cacheServerAttributesList = new ArrayList<Map<String, String>>();
+    List<Map<String, String>> cacheServerAttributesList = new ArrayList<>();
     List<CacheServer> cacheServers = cache.getCacheServers();
 
     if (cacheServers != null)
       for (CacheServer cacheServer : cacheServers) {
-        Map<String, String> cacheServerAttributes = new HashMap<String, String>();
+        Map<String, String> cacheServerAttributes = new HashMap<>();
 
         cacheServerAttributes.put("bind-address", cacheServer.getBindAddress());
         cacheServerAttributes.put("hostname-for-clients", cacheServer.getHostnameForClients());
@@ -134,14 +130,14 @@ public class GetMemberConfigInformationFunction extends FunctionAdapter implemen
     context.getResultSender().lastResult(memberConfigInfo);
   }
 
-  /****
+  /**
    * Gets the default values for the cache attributes
    * 
    * @return a map containing the cache attributes - default values
    */
   private Map<String, String> getCacheAttributesDefaultValues() {
     String d = CacheConfig.DEFAULT_PDX_DISK_STORE;
-    Map<String, String> cacheAttributesDefault = new HashMap<String, String>();
+    Map<String, String> cacheAttributesDefault = new HashMap<>();
     cacheAttributesDefault.put("pdx-disk-store", "");
     cacheAttributesDefault.put("pdx-read-serialized",
         Boolean.toString(CacheConfig.DEFAULT_PDX_READ_SERIALIZED));
@@ -163,13 +159,13 @@ public class GetMemberConfigInformationFunction extends FunctionAdapter implemen
     return cacheAttributesDefault;
   }
 
-  /***
+  /**
    * Gets the default values for the cache attributes
    * 
    * @return a map containing the cache server attributes - default values
    */
   private Map<String, String> getCacheServerAttributesDefaultValues() {
-    Map<String, String> csAttributesDefault = new HashMap<String, String>();
+    Map<String, String> csAttributesDefault = new HashMap<>();
     csAttributesDefault.put("bind-address", CacheServer.DEFAULT_BIND_ADDRESS);
     csAttributesDefault.put("hostname-for-clients", CacheServer.DEFAULT_HOSTNAME_FOR_CLIENTS);
     csAttributesDefault.put("max-connections",
@@ -189,46 +185,35 @@ public class GetMemberConfigInformationFunction extends FunctionAdapter implemen
     csAttributesDefault.put("load-poll-interval",
         Long.toString(CacheServer.DEFAULT_LOAD_POLL_INTERVAL));
     return csAttributesDefault;
-
   }
 
-  /****
+  /**
    * Removes the default values from the attributesMap based on defaultAttributesMap
-   * 
-   * @param attributesMap
-   * @param defaultAttributesMap
    */
   private void removeDefaults(Map<String, String> attributesMap,
       Map<String, String> defaultAttributesMap) {
     // Make a copy to avoid the CME's
-    Set<String> attributesSet = new HashSet<String>(attributesMap.keySet());
-
-    if (attributesSet != null) {
-      for (String attribute : attributesSet) {
-        String attributeValue = attributesMap.get(attribute);
-        String defaultValue = defaultAttributesMap.get(attribute);
-
-        if (attributeValue != null) {
-          if (attributeValue.equals(defaultValue)) {
-            attributesMap.remove(attribute);
-          }
-        } else {
-          if (defaultValue == null || defaultValue.equals("")) {
-            attributesMap.remove(attribute);
-          }
+    Set<String> attributesSet = new HashSet<>(attributesMap.keySet());
+
+    for (String attribute : attributesSet) {
+      String attributeValue = attributesMap.get(attribute);
+      String defaultValue = defaultAttributesMap.get(attribute);
+
+      if (attributeValue != null) {
+        if (attributeValue.equals(defaultValue)) {
+          attributesMap.remove(attribute);
+        }
+      } else {
+        if (defaultValue == null || defaultValue.equals("")) {
+          attributesMap.remove(attribute);
         }
       }
     }
   }
 
-  @Override
-  public String getId() {
-    // TODO Auto-generated method stub
-    return GetMemberConfigInformationFunction.class.toString();
-  }
-
   private List<String> getJvmInputArguments() {
     RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
     return runtimeBean.getInputArguments();
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberInformationFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberInformationFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberInformationFunction.java
index 70fa68b..ed66bee 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberInformationFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetMemberInformationFunction.java
@@ -14,61 +14,49 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import org.apache.geode.cache.Cache;
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryMXBean;
+import java.lang.management.MemoryUsage;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.server.CacheServer;
 import org.apache.geode.distributed.internal.DistributionConfig;
 import org.apache.geode.distributed.internal.InternalDistributedSystem;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.cache.CacheClientStatus;
+import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.cache.tier.InternalClientMembership;
 import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
 import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.domain.CacheServerInfo;
 import org.apache.geode.management.internal.cli.domain.MemberInformation;
 
-import java.lang.management.ManagementFactory;
-import java.lang.management.MemoryMXBean;
-import java.lang.management.MemoryUsage;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-/***
- * 
- * since 7.0
+/**
+ * @since GemFire 7.0
  */
+public class GetMemberInformationFunction implements InternalEntity, Function {
 
-public class GetMemberInformationFunction extends FunctionAdapter implements InternalEntity {
-  /**
-   * 
-   */
   private static final long serialVersionUID = 1L;
 
   @Override
-  public String getId() {
-    return GetMemberInformationFunction.class.getName();
-  }
-
-  @Override
-
   public boolean hasResult() {
     return true;
   }
 
   @Override
-
   public boolean isHA() {
     return true;
   }
 
-  @Override
   /**
    * Read only function
    */
+  @Override
   public boolean optimizeForWrite() {
     return false;
   }
@@ -76,13 +64,11 @@ public class GetMemberInformationFunction extends FunctionAdapter implements Int
   @Override
   public void execute(FunctionContext functionContext) {
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      InternalCache cache = (InternalCache) functionContext.getCache();
 
-      /*
-       * TODO: 1) Get the CPU usage%
-       */
+      // TODO: 1) Get the CPU usage%
 
-      InternalDistributedSystem system = (InternalDistributedSystem) cache.getDistributedSystem();
+      InternalDistributedSystem system = cache.getInternalDistributedSystem();
       DistributionConfig config = system.getConfig();
       String serverBindAddress = config.getServerBindAddress();
       MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
@@ -108,10 +94,7 @@ public class GetMemberInformationFunction extends FunctionAdapter implements Int
       // A member is a server only if it has a cacheserver
       if (csList != null) {
         memberInfo.setServer(true);
-        Iterator<CacheServer> iters = csList.iterator();
-        while (iters.hasNext()) {
-          CacheServer cs = iters.next();
-
+        for (CacheServer cs : csList) {
           String bindAddress = cs.getBindAddress();
           int port = cs.getPort();
           boolean isRunning = cs.isRunning();
@@ -133,6 +116,7 @@ public class GetMemberInformationFunction extends FunctionAdapter implements Int
         memberInfo.setServer(false);
       }
       functionContext.getResultSender().lastResult(memberInfo);
+
     } catch (CacheClosedException e) {
       functionContext.getResultSender().sendException(e);
     } catch (Exception e) {
@@ -143,4 +127,5 @@ public class GetMemberInformationFunction extends FunctionAdapter implements Int
   private long bytesToMeg(long bytes) {
     return bytes / (1024L * 1024L);
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionDescriptionFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionDescriptionFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionDescriptionFunction.java
index cbf70ac..00145a1 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionDescriptionFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionDescriptionFunction.java
@@ -14,18 +14,15 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-
 import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Region;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.management.internal.cli.domain.RegionDescriptionPerMember;
 
-public class GetRegionDescriptionFunction extends FunctionAdapter implements InternalEntity {
-
+public class GetRegionDescriptionFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
@@ -33,7 +30,7 @@ public class GetRegionDescriptionFunction extends FunctionAdapter implements Int
   public void execute(FunctionContext context) {
     String regionPath = (String) context.getArguments();
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       Region<?, ?> region = cache.getRegion(regionPath);
 
       if (region != null) {
@@ -44,6 +41,7 @@ public class GetRegionDescriptionFunction extends FunctionAdapter implements Int
       } else {
         context.getResultSender().lastResult(null);
       }
+
     } catch (CacheClosedException e) {
       context.getResultSender().sendException(e);
     } catch (Exception e) {
@@ -51,10 +49,4 @@ public class GetRegionDescriptionFunction extends FunctionAdapter implements Int
     }
   }
 
-  @Override
-  public String getId() {
-    // TODO Auto-generated method stub
-    return GetRegionDescriptionFunction.class.toString();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionsFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionsFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionsFunction.java
index 6571dca..e125ed3 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionsFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetRegionsFunction.java
@@ -32,12 +32,6 @@ public class GetRegionsFunction implements Function, InternalEntity {
   private static final long serialVersionUID = 1L;
 
   @Override
-  public String getId() {
-    // TODO Auto-generated method stub
-    return GetRegionsFunction.class.toString();
-  }
-
-  @Override
   public void execute(FunctionContext functionContext) {
     try {
       Cache cache = functionContext.getCache();

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetStackTracesFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetStackTracesFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetStackTracesFunction.java
index 4e9f9d6..23d8436 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetStackTracesFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetStackTracesFunction.java
@@ -14,23 +14,21 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.OSProcess;
 import org.apache.geode.management.internal.cli.domain.StackTracesPerMember;
 
-public class GetStackTracesFunction extends FunctionAdapter implements InternalEntity {
+public class GetStackTracesFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
   public void execute(FunctionContext context) {
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       String memberNameOrId = cache.getDistributedSystem().getDistributedMember().getName();
 
       if (memberNameOrId == null) {
@@ -39,14 +37,10 @@ public class GetStackTracesFunction extends FunctionAdapter implements InternalE
       StackTracesPerMember stackTracePerMember =
           new StackTracesPerMember(memberNameOrId, OSProcess.zipStacks());
       context.getResultSender().lastResult(stackTracePerMember);
+
     } catch (Exception e) {
       context.getResultSender().sendException(e);
     }
   }
 
-  @Override
-  public String getId() {
-    // TODO Auto-generated method stub
-    return GetStackTracesFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetSubscriptionQueueSizeFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetSubscriptionQueueSizeFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetSubscriptionQueueSizeFunction.java
index 70b649c..a39c125 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetSubscriptionQueueSizeFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/GetSubscriptionQueueSizeFunction.java
@@ -15,7 +15,7 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.query.CqQuery;
 import org.apache.geode.cache.query.internal.CqQueryVsdStats;
@@ -28,17 +28,16 @@ import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.domain.SubscriptionQueueSizeResult;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
-/***
+/**
  * Function to get subscription-queue-size
- *
  */
-public class GetSubscriptionQueueSizeFunction extends FunctionAdapter implements InternalEntity {
+public class GetSubscriptionQueueSizeFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
   public void execute(FunctionContext context) {
-    final Cache cache = CliUtil.getCacheIfExists();
+    final Cache cache = context.getCache();
     final String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
     String args[] = (String[]) context.getArguments();
@@ -90,6 +89,7 @@ public class GetSubscriptionQueueSizeFunction extends FunctionAdapter implements
       } else {
         result.setErrorMessage(CliStrings.NO_CLIENT_FOUND);
       }
+
     } catch (Exception e) {
       result.setExceptionMessage(e.getMessage());
     } finally {
@@ -97,9 +97,4 @@ public class GetSubscriptionQueueSizeFunction extends FunctionAdapter implements
     }
   }
 
-  @Override
-  public String getId() {
-    return GetSubscriptionQueueSizeFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ImportDataFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ImportDataFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ImportDataFunction.java
index 13949c8..78b6d38 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ImportDataFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ImportDataFunction.java
@@ -17,9 +17,8 @@ package org.apache.geode.management.internal.cli.functions;
 import java.io.File;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Region;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.snapshot.RegionSnapshotService;
 import org.apache.geode.cache.snapshot.SnapshotOptions;
@@ -27,12 +26,11 @@ import org.apache.geode.cache.snapshot.SnapshotOptions.SnapshotFormat;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
-/****
+/**
  * Function which carries out the import of a region to a file on a member. Uses the
  * RegionSnapshotService to import the data
- *
  */
-public class ImportDataFunction extends FunctionAdapter implements InternalEntity {
+public class ImportDataFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
@@ -46,7 +44,7 @@ public class ImportDataFunction extends FunctionAdapter implements InternalEntit
     }
 
     try {
-      final Cache cache = CacheFactory.getAnyInstance();
+      final Cache cache = context.getCache();
       final Region<?, ?> region = cache.getRegion(regionName);
       final String hostName = cache.getDistributedSystem().getDistributedMember().getHost();
       if (region != null) {
@@ -68,8 +66,4 @@ public class ImportDataFunction extends FunctionAdapter implements InternalEntit
     }
   }
 
-  public String getId() {
-    return ImportDataFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListAsyncEventQueuesFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListAsyncEventQueuesFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListAsyncEventQueuesFunction.java
index 507e9f8..aacd198 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListAsyncEventQueuesFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListAsyncEventQueuesFunction.java
@@ -19,14 +19,12 @@ import java.util.Set;
 
 import org.apache.logging.log4j.Logger;
 
-import org.apache.geode.LogWriter;
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.asyncqueue.AsyncEventListener;
 import org.apache.geode.cache.asyncqueue.AsyncEventQueue;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.internal.InternalEntity;
@@ -37,23 +35,14 @@ import org.apache.geode.management.internal.cli.domain.AsyncEventQueueDetails;
 /**
  * An implementation of GemFire Function interface used to determine all the async event queues that
  * exist for the entire cache, distributed across the GemFire distributed system.
- * </p>
- * 
+ *
  * @since GemFire 8.0
  */
-public class ListAsyncEventQueuesFunction extends FunctionAdapter implements InternalEntity {
-  private static final Logger logger = LogService.getLogger();
+public class ListAsyncEventQueuesFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
-  @Override
-  public String getId() {
-    return getClass().getName();
-  }
-
-  protected Cache getCache() {
-    return CacheFactory.getAnyInstance();
-  }
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(final FunctionContext context) {
@@ -61,7 +50,7 @@ public class ListAsyncEventQueuesFunction extends FunctionAdapter implements Int
     String memberId = "";
 
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
 
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
@@ -105,4 +94,5 @@ public class ListAsyncEventQueuesFunction extends FunctionAdapter implements Int
       context.getResultSender().lastResult(result);
     }
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDeployedFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDeployedFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDeployedFunction.java
index 88a77be..16ea3e3 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDeployedFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDeployedFunction.java
@@ -16,31 +16,25 @@ package org.apache.geode.management.internal.cli.functions;
 
 import java.util.List;
 
-import org.apache.geode.internal.ClassPathLoader;
-import org.apache.geode.internal.DeployedJar;
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.SystemFailure;
+import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
+import org.apache.geode.internal.ClassPathLoader;
+import org.apache.geode.internal.DeployedJar;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.JarDeployer;
-import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.logging.LogService;
 
 public class ListDeployedFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
-  public static final String ID = ListDeployedFunction.class.getName();
 
   private static final long serialVersionUID = 1L;
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(FunctionContext context) {
@@ -48,7 +42,7 @@ public class ListDeployedFunction implements Function, InternalEntity {
     String memberId = "";
 
     try {
-      InternalCache cache = getCache();
+      Cache cache = context.getCache();
       final JarDeployer jarDeployer = ClassPathLoader.getLatest().getJarDeployer();
 
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
@@ -87,11 +81,6 @@ public class ListDeployedFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }
@@ -105,4 +94,5 @@ public class ListDeployedFunction implements Function, InternalEntity {
   public boolean isHA() {
     return false;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunction.java
index 80c84b5..ae3f34e 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDiskStoresFunction.java
@@ -16,13 +16,10 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import java.util.HashSet;
-import java.util.Properties;
 import java.util.Set;
 
-import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.DiskStore;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.internal.InternalEntity;
@@ -33,47 +30,33 @@ import org.apache.geode.management.internal.cli.domain.DiskStoreDetails;
  * The ListDiskStoresFunction class is an implementation of GemFire Function interface used to
  * determine all the disk stores that exist for the entire cache, distributed across the GemFire
  * distributed system.
- * </p>
- * 
+ *
  * @see org.apache.geode.cache.DiskStore
  * @see org.apache.geode.cache.execute.Function
  * @see org.apache.geode.cache.execute.FunctionAdapter
  * @see org.apache.geode.cache.execute.FunctionContext
  * @see org.apache.geode.internal.InternalEntity
  * @see org.apache.geode.management.internal.cli.domain.DiskStoreDetails
+ *
  * @since GemFire 7.0
  */
-public class ListDiskStoresFunction extends FunctionAdapter implements InternalEntity {
-
-  @SuppressWarnings("unused")
-  public void init(final Properties props) {}
-
-  public String getId() {
-    return getClass().getName();
-  }
-
-  protected Cache getCache() {
-    return CacheFactory.getAnyInstance();
-  }
+public class ListDiskStoresFunction implements InternalEntity, Function {
 
   public void execute(final FunctionContext context) {
-    final Set<DiskStoreDetails> memberDiskStores = new HashSet<DiskStoreDetails>();
+    final Set<DiskStoreDetails> memberDiskStores = new HashSet<>();
 
     try {
-      final Cache cache = getCache();
+      final InternalCache cache = (InternalCache) context.getCache();
 
-      if (cache instanceof InternalCache) {
-        final InternalCache gemfireCache = (InternalCache) cache;
+      final DistributedMember member = cache.getMyId();
 
-        final DistributedMember member = gemfireCache.getMyId();
-
-        for (final DiskStore memberDiskStore : gemfireCache.listDiskStoresIncludingRegionOwned()) {
-          memberDiskStores.add(new DiskStoreDetails(memberDiskStore.getDiskStoreUUID(),
-              memberDiskStore.getName(), member.getId(), member.getName()));
-        }
+      for (final DiskStore memberDiskStore : cache.listDiskStoresIncludingRegionOwned()) {
+        memberDiskStores.add(new DiskStoreDetails(memberDiskStore.getDiskStoreUUID(),
+            memberDiskStore.getName(), member.getId(), member.getName()));
       }
 
       context.getResultSender().lastResult(memberDiskStores);
+
     } catch (Exception e) {
       context.getResultSender().sendException(e);
     }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDurableCqNamesFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDurableCqNamesFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDurableCqNamesFunction.java
index 434c619..5831df4 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDurableCqNamesFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListDurableCqNamesFunction.java
@@ -16,12 +16,10 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.query.internal.cq.CqService;
 import org.apache.geode.distributed.DistributedMember;
@@ -35,30 +33,22 @@ import org.apache.geode.management.internal.cli.i18n.CliStrings;
 /**
  * The ListDurableCqs class is a GemFire function used to collect all the durable client names on
  * the server
- * </p>
- * 
+ *
  * @see org.apache.geode.cache.Cache
  * @see org.apache.geode.cache.execute.Function
  * @see org.apache.geode.cache.execute.FunctionAdapter
  * @see org.apache.geode.cache.execute.FunctionContext
  * @see org.apache.geode.internal.InternalEntity
  * @see org.apache.geode.management.internal.cli.domain.IndexDetails
+ *
  * @since GemFire 7.0.1
  */
-@SuppressWarnings("unused")
-public class ListDurableCqNamesFunction extends FunctionAdapter implements InternalEntity {
-  private static final long serialVersionUID = 1L;
-
-  protected Cache getCache() {
-    return CacheFactory.getAnyInstance();
-  }
+public class ListDurableCqNamesFunction implements InternalEntity, Function {
 
-  public String getId() {
-    return ListDurableCqNamesFunction.class.getName();
-  }
+  private static final long serialVersionUID = 1L;
 
   public void execute(final FunctionContext context) {
-    final Cache cache = getCache();
+    final Cache cache = context.getCache();
     final DistributedMember member = cache.getDistributedSystem().getDistributedMember();
     String memberNameOrId = CliUtil.getMemberNameOrId(member);
     DurableCqNamesResult result = new DurableCqNamesResult(memberNameOrId);
@@ -89,10 +79,12 @@ public class ListDurableCqNamesFunction extends FunctionAdapter implements Inter
       } else {
         result.setErrorMessage(CliStrings.NO_CLIENT_FOUND);
       }
+
     } catch (Exception e) {
       result.setExceptionMessage(e.getMessage());
     } finally {
       context.getResultSender().lastResult(result);
     }
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListFunctionFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListFunctionFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListFunctionFunction.java
index a45ed0b..e784da4 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListFunctionFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListFunctionFunction.java
@@ -25,7 +25,6 @@ import org.apache.logging.log4j.Logger;
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.execute.FunctionService;
@@ -34,12 +33,11 @@ import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.logging.LogService;
 
 public class ListFunctionFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
-  public static final String ID = ListFunctionFunction.class.getName();
 
   private static final long serialVersionUID = 1L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
   public void execute(FunctionContext context) {
     // Declared here so that it's available when returning a Throwable
@@ -49,7 +47,7 @@ public class ListFunctionFunction implements Function, InternalEntity {
       final Object[] args = (Object[]) context.getArguments();
       final String stringPattern = (String) args[0];
 
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
       memberId = member.getId();
@@ -92,11 +90,6 @@ public class ListFunctionFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }
@@ -110,4 +103,5 @@ public class ListFunctionFunction implements Function, InternalEntity {
   public boolean isHA() {
     return false;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListIndexFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListIndexFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListIndexFunction.java
index f8d302c..fd8bc6b 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListIndexFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ListIndexFunction.java
@@ -19,8 +19,7 @@ import java.util.HashSet;
 import java.util.Set;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.query.Index;
 import org.apache.geode.distributed.DistributedMember;
@@ -30,32 +29,23 @@ import org.apache.geode.management.internal.cli.domain.IndexDetails;
 /**
  * The ListIndexFunction class is a GemFire function used to collect all the index information on
  * all Regions across the entire GemFire Cache (distributed system).
- * </p>
- * 
+ *
  * @see org.apache.geode.cache.Cache
  * @see org.apache.geode.cache.execute.Function
  * @see org.apache.geode.cache.execute.FunctionAdapter
  * @see org.apache.geode.cache.execute.FunctionContext
  * @see org.apache.geode.internal.InternalEntity
  * @see org.apache.geode.management.internal.cli.domain.IndexDetails
+ *
  * @since GemFire 7.0
  */
-@SuppressWarnings("unused")
-public class ListIndexFunction extends FunctionAdapter implements InternalEntity {
-
-  protected Cache getCache() {
-    return CacheFactory.getAnyInstance();
-  }
-
-  public String getId() {
-    return ListIndexFunction.class.getName();
-  }
+public class ListIndexFunction implements InternalEntity, Function {
 
   public void execute(final FunctionContext context) {
     try {
-      final Set<IndexDetails> indexDetailsSet = new HashSet<IndexDetails>();
+      final Set<IndexDetails> indexDetailsSet = new HashSet<>();
 
-      final Cache cache = getCache();
+      final Cache cache = context.getCache();
       final DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
       for (final Index index : cache.getQueryService().getIndexes()) {

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MemberRegionFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MemberRegionFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MemberRegionFunction.java
deleted file mode 100644
index c23bcbe..0000000
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/MemberRegionFunction.java
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
- * agreements. See the NOTICE file distributed with this work for additional information regarding
- * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the License. You may obtain a
- * copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License
- * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing permissions and limitations under
- * the License.
- */
-package org.apache.geode.management.internal.cli.functions;
-
-import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.Execution;
-import org.apache.geode.cache.execute.Function;
-import org.apache.geode.cache.execute.FunctionContext;
-import org.apache.geode.cache.execute.FunctionException;
-import org.apache.geode.cache.execute.FunctionService;
-import org.apache.geode.internal.InternalEntity;
-
-
-public class MemberRegionFunction implements Function, InternalEntity {
-  public static final String ID = MemberRegionFunction.class.getName();
-  private static final long serialVersionUID = 1L;
-
-  @Override
-  public void execute(FunctionContext context) {
-    Object[] args = (Object[]) context.getArguments();
-    String region = (String) args[0];
-    String functionId = (String) args[1];
-    Cache cache = CacheFactory.getAnyInstance();
-
-    try {
-      Function function = FunctionService.getFunction(functionId);
-      if (function == null) {
-        context.getResultSender()
-            .lastResult("For region on a member did not get function " + functionId);
-      }
-      Execution execution = FunctionService.onRegion(cache.getRegion(region));
-      if (execution == null) {
-        context.getResultSender().lastResult("For region on a member could not execute");
-      } else {
-        execution.execute(function);
-        context.getResultSender().lastResult("succeeded in executing on region " + region);
-      }
-
-    } catch (FunctionException e) {
-      context.getResultSender()
-          .lastResult("FunctionException in MemberRegionFunction =" + e.getMessage());
-    } catch (Exception e) {
-      context.getResultSender().lastResult("Exception in MemberRegionFunction =" + e.getMessage());
-    }
-
-  }
-
-  @Override
-  public String getId() {
-    return MemberRegionFunction.ID;
-
-  }
-
-  @Override
-  public boolean hasResult() {
-    return true;
-  }
-
-  @Override
-  public boolean optimizeForWrite() {
-    // no need of optimization since read-only.
-    return false;
-  }
-
-  @Override
-  public boolean isHA() {
-    return false;
-  }
-
-}


[3/3] geode git commit: Convert to use FunctionContext.getCache()

Posted by kl...@apache.org.
Convert to use FunctionContext.getCache()


Project: http://git-wip-us.apache.org/repos/asf/geode/repo
Commit: http://git-wip-us.apache.org/repos/asf/geode/commit/96e50e7e
Tree: http://git-wip-us.apache.org/repos/asf/geode/tree/96e50e7e
Diff: http://git-wip-us.apache.org/repos/asf/geode/diff/96e50e7e

Branch: refs/heads/FunctionContext
Commit: 96e50e7e30731d6e8c51a1a60ece1e249401f70f
Parents: e502174
Author: Kirk Lund <kl...@apache.org>
Authored: Mon Jul 24 12:44:37 2017 -0700
Committer: Kirk Lund <kl...@apache.org>
Committed: Mon Jul 24 12:44:37 2017 -0700

----------------------------------------------------------------------
 .../geode/cache/execute/FunctionContext.java    |  17 +-
 .../CreateAlterDestroyRegionCommands.java       |  14 +-
 .../cli/commands/ExportLogsInterceptor.java     |   8 +-
 .../cli/commands/MiscellaneousCommands.java     |   2 +-
 .../internal/cli/commands/WanCommands.java      |   6 +-
 .../functions/AlterRuntimeConfigFunction.java   |  30 ++--
 .../functions/AsyncEventQueueFunctionArgs.java  |  33 ++--
 .../cli/functions/ChangeLogLevelFunction.java   |  38 ++--
 .../cli/functions/CliFunctionResult.java        |  35 ++--
 .../functions/CloseDurableClientFunction.java   |  21 +--
 .../cli/functions/CloseDurableCqFunction.java   |  23 +--
 .../cli/functions/ContinuousQueryFunction.java  |  33 ++--
 .../CreateAsyncEventQueueFunction.java          |  19 +-
 .../functions/CreateDefinedIndexesFunction.java |  31 +---
 .../cli/functions/CreateDiskStoreFunction.java  |  36 ++--
 .../cli/functions/CreateIndexFunction.java      |  30 ++--
 .../cli/functions/DataCommandFunction.java      | 177 ++++++++++---------
 .../internal/cli/functions/DeployFunction.java  |  17 +-
 .../functions/DescribeDiskStoreFunction.java    | 114 +++++-------
 .../cli/functions/DestroyDiskStoreFunction.java |  16 +-
 .../cli/functions/DestroyIndexFunction.java     |  19 +-
 .../cli/functions/ExportConfigFunction.java     |  14 +-
 .../cli/functions/ExportDataFunction.java       |  18 +-
 .../cli/functions/ExportLogsFunction.java       |  34 +---
 .../FetchRegionAttributesFunction.java          |  24 +--
 .../FetchSharedConfigurationStatusFunction.java |  16 +-
 .../functions/GarbageCollectionFunction.java    |  15 +-
 .../GatewayReceiverCreateFunction.java          |  25 +--
 .../functions/GatewayReceiverFunctionArgs.java  |   8 +-
 .../functions/GatewaySenderCreateFunction.java  |  24 +--
 .../functions/GatewaySenderDestroyFunction.java |  18 +-
 .../GatewaySenderDestroyFunctionArgs.java       |   3 +-
 .../functions/GatewaySenderFunctionArgs.java    |   6 +-
 .../GetMemberConfigInformationFunction.java     |  89 ++++------
 .../functions/GetMemberInformationFunction.java |  53 ++----
 .../functions/GetRegionDescriptionFunction.java |  16 +-
 .../cli/functions/GetRegionsFunction.java       |   6 -
 .../cli/functions/GetStackTracesFunction.java   |  14 +-
 .../GetSubscriptionQueueSizeFunction.java       |  15 +-
 .../cli/functions/ImportDataFunction.java       |  14 +-
 .../functions/ListAsyncEventQueuesFunction.java |  22 +--
 .../cli/functions/ListDeployedFunction.java     |  22 +--
 .../cli/functions/ListDiskStoresFunction.java   |  39 ++--
 .../functions/ListDurableCqNamesFunction.java   |  24 +--
 .../cli/functions/ListFunctionFunction.java     |  14 +-
 .../cli/functions/ListIndexFunction.java        |  22 +--
 .../cli/functions/MemberRegionFunction.java     |  83 ---------
 .../cli/functions/MembersForRegionFunction.java |   9 +-
 .../internal/cli/functions/NetstatFunction.java |  28 +--
 .../cli/functions/RebalanceFunction.java        |  23 +--
 .../cli/functions/RegionAlterFunction.java      |  17 +-
 .../cli/functions/RegionCreateFunction.java     |  24 +--
 .../cli/functions/RegionDestroyFunction.java    |  17 +-
 .../cli/functions/RegionFunctionArgs.java       |   6 +-
 .../ShowMissingDiskStoresFunction.java          |  17 +-
 .../cli/functions/ShutDownFunction.java         |  44 ++---
 .../cli/functions/SizeExportLogsFunction.java   |  21 +--
 .../cli/functions/UndeployFunction.java         |  23 +--
 .../cli/functions/UnregisterFunction.java       |  21 +--
 .../cli/functions/UserFunctionExecution.java    |  10 +-
 .../internal/cli/util/TimeParser.java           |  49 +++++
 .../DescribeDiskStoreFunctionJUnitTest.java     | 141 ++++++---------
 .../ListDiskStoresFunctionJUnitTest.java        |  52 +++---
 .../functions/ListIndexFunctionJUnitTest.java   |  31 ++--
 64 files changed, 698 insertions(+), 1192 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/cache/execute/FunctionContext.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/cache/execute/FunctionContext.java b/geode-core/src/main/java/org/apache/geode/cache/execute/FunctionContext.java
index 0b4e7f9..00c877b 100755
--- a/geode-core/src/main/java/org/apache/geode/cache/execute/FunctionContext.java
+++ b/geode-core/src/main/java/org/apache/geode/cache/execute/FunctionContext.java
@@ -19,20 +19,21 @@ import org.apache.geode.cache.Cache;
 /**
  * Defines the execution context of a {@link Function}. It is required by the
  * {@link Function#execute(FunctionContext)} to execute a {@link Function} on a particular member.
+ *
  * <p>
  * A context can be data dependent or data independent. For data dependent functions refer to
  * {@link RegionFunctionContext}
- * </p>
+ *
  * <p>
  * This interface is implemented by GemFire. Instances of it will be passed in to
  * {@link Function#execute(FunctionContext)}.
- * 
- * @param T1 object type of Arguments
+ *
+ * <p>
+ * T1 object type of Arguments
  *
  * @since GemFire 6.0
  *
  * @see RegionFunctionContext
- *
  */
 public interface FunctionContext<T1> {
   /**
@@ -64,7 +65,6 @@ public interface FunctionContext<T1> {
    * @return ResultSender
    * @since GemFire 6.0
    */
-
   public <T2> ResultSender<T2> getResultSender();
 
   /**
@@ -78,5 +78,12 @@ public interface FunctionContext<T1> {
    */
   public boolean isPossibleDuplicate();
 
+  /**
+   * Returns a reference to the Cache.
+   *
+   * @return a reference to the Cache
+   *
+   * @since Geode 1.2
+   */
   public Cache getCache();
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/CreateAlterDestroyRegionCommands.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/CreateAlterDestroyRegionCommands.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/CreateAlterDestroyRegionCommands.java
index 2c61b73..ba67fc7 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/CreateAlterDestroyRegionCommands.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/CreateAlterDestroyRegionCommands.java
@@ -318,7 +318,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
         return ResultBuilder.createUserErrorResult(CliStrings.NO_CACHING_MEMBERS_FOUND_MESSAGE);
       }
 
-      ResultCollector<?, ?> resultCollector = CliUtil.executeFunction(RegionCreateFunction.INSTANCE,
+      ResultCollector<?, ?> resultCollector = CliUtil.executeFunction(new RegionCreateFunction(),
           regionFunctionArgs, membersToCreateRegionOn);
       @SuppressWarnings("unchecked")
       List<CliFunctionResult> regionCreateResults =
@@ -559,7 +559,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
     return result;
   }
 
-  private static boolean regionExists(InternalCache cache, String regionPath) {
+  private boolean regionExists(InternalCache cache, String regionPath) {
     boolean regionFound = false;
     if (regionPath != null && !Region.SEPARATOR.equals(regionPath)) {
       ManagementService managementService = ManagementService.getExistingManagementService(cache);
@@ -866,7 +866,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
     return false;
   }
 
-  private static <K, V> FetchRegionAttributesFunctionResult<K, V> getRegionAttributes(
+  private <K, V> FetchRegionAttributesFunctionResult<K, V> getRegionAttributes(
       InternalCache cache, String regionPath) {
     if (!isClusterWideSameConfig(cache, regionPath)) {
       throw new IllegalStateException(CliStrings.format(
@@ -878,7 +878,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
     // First check whether the region exists on a this manager, if yes then no
     // need to use FetchRegionAttributesFunction to fetch RegionAttributes
     try {
-      attributes = FetchRegionAttributesFunction.getRegionAttributes(regionPath);
+      attributes = FetchRegionAttributesFunction.getRegionAttributes(cache, regionPath);
     } catch (IllegalArgumentException e) {
       /* region doesn't exist on the manager */
     }
@@ -890,7 +890,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
       if (regionAssociatedMembers != null && !regionAssociatedMembers.isEmpty()) {
         DistributedMember distributedMember = regionAssociatedMembers.iterator().next();
         ResultCollector<?, ?> resultCollector = CliUtil
-            .executeFunction(FetchRegionAttributesFunction.INSTANCE, regionPath, distributedMember);
+            .executeFunction(new FetchRegionAttributesFunction(), regionPath, distributedMember);
         List<?> resultsList = (List<?>) resultCollector.getResult();
 
         if (resultsList != null && !resultsList.isEmpty()) {
@@ -920,7 +920,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
     return attributes;
   }
 
-  private static boolean isClusterWideSameConfig(InternalCache cache, String regionPath) {
+  private boolean isClusterWideSameConfig(InternalCache cache, String regionPath) {
     ManagementService managementService = ManagementService.getExistingManagementService(cache);
 
     DistributedSystemMXBean dsMXBean = managementService.getDistributedSystemMXBean();
@@ -1002,7 +1002,7 @@ public class CreateAlterDestroyRegionCommands implements GfshCommand {
       CliFunctionResult destroyRegionResult;
 
       ResultCollector<?, ?> resultCollector =
-          CliUtil.executeFunction(RegionDestroyFunction.INSTANCE, regionPath, regionMembersList);
+          CliUtil.executeFunction(new RegionDestroyFunction(), regionPath, regionMembersList);
       List<CliFunctionResult> resultsList = (List<CliFunctionResult>) resultCollector.getResult();
       String message =
           CliStrings.format(CliStrings.DESTROY_REGION__MSG__REGION_0_1_DESTROYED, regionPath, "");

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/ExportLogsInterceptor.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/ExportLogsInterceptor.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/ExportLogsInterceptor.java
index 5f21848..c5ac227 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/ExportLogsInterceptor.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/ExportLogsInterceptor.java
@@ -21,9 +21,9 @@ import org.apache.geode.internal.logging.log4j.LogLevel;
 import org.apache.geode.management.cli.Result;
 import org.apache.geode.management.internal.cli.AbstractCliAroundInterceptor;
 import org.apache.geode.management.internal.cli.GfshParseResult;
-import org.apache.geode.management.internal.cli.functions.ExportLogsFunction;
 import org.apache.geode.management.internal.cli.result.ResultBuilder;
-import org.apache.logging.log4j.Level;
+import org.apache.geode.management.internal.cli.util.TimeParser;
+
 import org.apache.logging.log4j.Logger;
 
 import java.io.File;
@@ -61,8 +61,8 @@ public class ExportLogsInterceptor extends AbstractCliAroundInterceptor {
     String end = arguments.get("end-time");
     if (start != null && end != null) {
       // need to make sure end is later than start
-      LocalDateTime startTime = ExportLogsFunction.parseTime(start);
-      LocalDateTime endTime = ExportLogsFunction.parseTime(end);
+      LocalDateTime startTime = TimeParser.parseTime(start);
+      LocalDateTime endTime = TimeParser.parseTime(end);
       if (startTime.isAfter(endTime)) {
         return ResultBuilder.createUserErrorResult("start-time has to be earlier than end-time.");
       }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
index 1415bc6..f7e65b4 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
@@ -456,7 +456,7 @@ public class MiscellaneousCommands implements GfshCommand {
       if (!hostMemberMap.isEmpty()) {
         Set<DistributedMember> membersToExecuteOn = new HashSet<>(hostMemberMap.values());
         ResultCollector<?, ?> netstatResult =
-            CliUtil.executeFunction(NetstatFunction.INSTANCE, nfa, membersToExecuteOn);
+            CliUtil.executeFunction(new NetstatFunction(), nfa, membersToExecuteOn);
         List<?> resultList = (List<?>) netstatResult.getResult();
         for (Object aResultList : resultList) {
           NetstatFunctionResult netstatFunctionResult = (NetstatFunctionResult) aResultList;

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/WanCommands.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/WanCommands.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/WanCommands.java
index c6fb709..4e4c92e 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/WanCommands.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/WanCommands.java
@@ -152,7 +152,7 @@ public class WanCommands implements GfshCommand {
       }
 
       ResultCollector<?, ?> resultCollector =
-          CliUtil.executeFunction(GatewaySenderCreateFunction.INSTANCE, gatewaySenderFunctionArgs,
+          CliUtil.executeFunction(new GatewaySenderCreateFunction(), gatewaySenderFunctionArgs,
               membersToCreateGatewaySenderOn);
       @SuppressWarnings("unchecked")
       List<CliFunctionResult> gatewaySenderCreateResults =
@@ -562,7 +562,7 @@ public class WanCommands implements GfshCommand {
       }
 
       ResultCollector<?, ?> resultCollector =
-          CliUtil.executeFunction(GatewayReceiverCreateFunction.INSTANCE,
+          CliUtil.executeFunction(new GatewayReceiverCreateFunction(),
               gatewayReceiverFunctionArgs, membersToCreateGatewayReceiverOn);
       @SuppressWarnings("unchecked")
       List<CliFunctionResult> gatewayReceiverCreateResults =
@@ -1011,7 +1011,7 @@ public class WanCommands implements GfshCommand {
       }
 
       ResultCollector<?, ?> resultCollector =
-          CliUtil.executeFunction(GatewaySenderDestroyFunction.INSTANCE,
+          CliUtil.executeFunction(new GatewaySenderDestroyFunction(),
               gatewaySenderDestroyFunctionArgs, membersToDestroyGatewaySenderOn);
       @SuppressWarnings("unchecked")
       List<CliFunctionResult> gatewaySenderDestroyResults =

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AlterRuntimeConfigFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AlterRuntimeConfigFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AlterRuntimeConfigFunction.java
index 53d3ab7..b6c6c5a 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AlterRuntimeConfigFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AlterRuntimeConfigFunction.java
@@ -14,9 +14,14 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.apache.logging.log4j.Logger;
+
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.internal.DistributionConfig;
 import org.apache.geode.internal.ConfigSource;
@@ -25,29 +30,20 @@ import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
-import org.apache.logging.log4j.Logger;
 
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-
-public class AlterRuntimeConfigFunction extends FunctionAdapter implements InternalEntity {
+public class AlterRuntimeConfigFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   private static Logger logger = LogService.getLogger();
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
-
   @Override
-  public void execute(FunctionContext context) {
+  public void execute(final FunctionContext context) {
     String memberId = "";
 
     try {
       Object arg = context.getArguments();
-      InternalCache cache = getCache();
+      InternalCache cache = (InternalCache) context.getCache();
       DistributionConfig config = cache.getInternalDistributedSystem().getConfig();
       memberId = cache.getDistributedSystem().getDistributedMember().getId();
 
@@ -82,15 +78,11 @@ public class AlterRuntimeConfigFunction extends FunctionAdapter implements Inter
       context.getResultSender().lastResult(result);
 
     } catch (Exception e) {
-      logger.error("Exception happened on : " + memberId, e);
+      logger.error("Exception happened on : {}", memberId, e);
       CliFunctionResult cliFuncResult =
           new CliFunctionResult(memberId, e, CliUtil.stackTraceAsString(e));
       context.getResultSender().lastResult(cliFuncResult);
     }
   }
 
-  @Override
-  public String getId() {
-    return AlterRuntimeConfigFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AsyncEventQueueFunctionArgs.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AsyncEventQueueFunctionArgs.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AsyncEventQueueFunctionArgs.java
index 2e297bf..fb5fbab 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AsyncEventQueueFunctionArgs.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/AsyncEventQueueFunctionArgs.java
@@ -24,22 +24,22 @@ public class AsyncEventQueueFunctionArgs implements Serializable {
 
   private static final long serialVersionUID = -6524494645663740872L;
 
-  private String asyncEventQueueId;
-  private boolean isParallel;
-  private boolean enableBatchConflation;
-  private int batchSize;
-  private int batchTimeInterval;
-  private boolean persistent;
-  private String diskStoreName;
-  private boolean diskSynchronous;
-  private int maxQueueMemory;
-  private int dispatcherThreads;
-  private String orderPolicy;
-  private String[] gatewayEventFilters;
-  private String gatewaySubstitutionFilter;
-  private String listenerClassName;
-  private Properties listenerProperties;
-  private boolean forwardExpirationDestroy;
+  private final String asyncEventQueueId;
+  private final boolean isParallel;
+  private final boolean enableBatchConflation;
+  private final int batchSize;
+  private final int batchTimeInterval;
+  private final boolean persistent;
+  private final String diskStoreName;
+  private final boolean diskSynchronous;
+  private final int maxQueueMemory;
+  private final int dispatcherThreads;
+  private final String orderPolicy;
+  private final String[] gatewayEventFilters;
+  private final String gatewaySubstitutionFilter;
+  private final String listenerClassName;
+  private final Properties listenerProperties;
+  private final boolean forwardExpirationDestroy;
 
   public AsyncEventQueueFunctionArgs(String asyncEventQueueId, boolean isParallel,
       boolean enableBatchConflation, int batchSize, int batchTimeInterval, boolean persistent,
@@ -127,4 +127,5 @@ public class AsyncEventQueueFunctionArgs implements Serializable {
   public boolean isForwardExpirationDestroy() {
     return forwardExpirationDestroy;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ChangeLogLevelFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ChangeLogLevelFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ChangeLogLevelFunction.java
index 91aabe4..5fd3348 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ChangeLogLevelFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ChangeLogLevelFunction.java
@@ -14,43 +14,40 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import static org.apache.geode.distributed.ConfigurationProperties.*;
+import static org.apache.geode.distributed.ConfigurationProperties.LOG_LEVEL;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.internal.DistributionConfig;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.logging.LogService;
+import org.apache.geode.internal.logging.log4j.LogLevel;
 import org.apache.geode.internal.logging.log4j.LogMarker;
 import org.apache.geode.internal.logging.log4j.LogWriterLogger;
-import org.apache.geode.internal.logging.log4j.LogLevel;
-import org.apache.logging.log4j.Level;
-import org.apache.logging.log4j.Logger;
-
-import java.util.HashMap;
-import java.util.Map;
-
 
 /**
- * 
  * Class for change log level function
  * 
  * since 8.0
- * 
  */
-
 public class ChangeLogLevelFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
 
-  public static final String ID = ChangeLogLevelFunction.class.getName();
   private static final long serialVersionUID = 1L;
 
+  private static final Logger logger = LogService.getLogger();
+
   @Override
-  public void execute(FunctionContext context) {
-    Cache cache = CacheFactory.getAnyInstance();
-    Map<String, String> result = new HashMap<String, String>();
+  public void execute(final FunctionContext context) {
+    Cache cache = context.getCache();
+    Map<String, String> result = new HashMap<>();
+
     try {
       LogWriterLogger logwriterLogger = (LogWriterLogger) cache.getLogger();
       Object[] args = (Object[]) context.getArguments();
@@ -63,6 +60,7 @@ public class ChangeLogLevelFunction implements Function, InternalEntity {
       result.put(cache.getDistributedSystem().getDistributedMember().getId(),
           "New log level is " + log4jLevel);
       context.getResultSender().lastResult(result);
+
     } catch (Exception ex) {
       // LOG:CONFIG:
       logger.info(LogMarker.CONFIG, "GFSH Changing log level exception {}", ex.getMessage(), ex);
@@ -73,12 +71,6 @@ public class ChangeLogLevelFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ChangeLogLevelFunction.ID;
-
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CliFunctionResult.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CliFunctionResult.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CliFunctionResult.java
index 401c1a8..4bc7acc 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CliFunctionResult.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CliFunctionResult.java
@@ -14,11 +14,6 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import org.apache.geode.DataSerializer;
-import org.apache.geode.internal.DataSerializableFixedID;
-import org.apache.geode.internal.Version;
-import org.apache.geode.management.internal.configuration.domain.XmlEntity;
-
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
@@ -28,7 +23,13 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
+import org.apache.geode.DataSerializer;
+import org.apache.geode.internal.DataSerializableFixedID;
+import org.apache.geode.internal.Version;
+import org.apache.geode.management.internal.configuration.domain.XmlEntity;
+
 public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSerializableFixedID {
+
   private String memberIdOrName;
   private Serializable[] serializables = new String[0];
   private Throwable throwable;
@@ -36,7 +37,9 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
   private XmlEntity xmlEntity;
   private byte[] byteData = new byte[0];
 
-  public CliFunctionResult() {}
+  public CliFunctionResult() {
+    // nothing
+  }
 
   public CliFunctionResult(final String memberIdOrName) {
     this.memberIdOrName = memberIdOrName;
@@ -65,7 +68,6 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
     this.successful = true;
   }
 
-
   public CliFunctionResult(final String memberIdOrName, final XmlEntity xmlEntity,
       final Serializable[] serializables) {
     this.memberIdOrName = memberIdOrName;
@@ -131,7 +133,7 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
   }
 
   @Override
-  public void toData(DataOutput out) throws IOException {
+  public void toData(final DataOutput out) throws IOException {
     DataSerializer.writeString(this.memberIdOrName, out);
     DataSerializer.writePrimitiveBoolean(this.successful, out);
     DataSerializer.writeObject(this.xmlEntity, out);
@@ -140,14 +142,14 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
     DataSerializer.writeByteArray(this.byteData, out);
   }
 
-  public void toDataPre_GFE_8_0_0_0(DataOutput out) throws IOException {
+  public void toDataPre_GFE_8_0_0_0(final DataOutput out) throws IOException {
     DataSerializer.writeString(this.memberIdOrName, out);
     DataSerializer.writeObjectArray(this.serializables, out);
     DataSerializer.writeObject(this.throwable, out);
   }
 
   @Override
-  public void fromData(DataInput in) throws IOException, ClassNotFoundException {
+  public void fromData(final DataInput in) throws IOException, ClassNotFoundException {
     this.memberIdOrName = DataSerializer.readString(in);
     this.successful = DataSerializer.readPrimitiveBoolean(in);
     this.xmlEntity = DataSerializer.readObject(in);
@@ -156,7 +158,7 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
     this.byteData = DataSerializer.readByteArray(in);
   }
 
-  public void fromDataPre_GFE_8_0_0_0(DataInput in) throws IOException, ClassNotFoundException {
+  public void fromDataPre_GFE_8_0_0_0(final DataInput in) throws IOException, ClassNotFoundException {
     this.memberIdOrName = DataSerializer.readString(in);
     this.throwable = DataSerializer.readObject(in);
     this.serializables = (Serializable[]) DataSerializer.readObjectArray(in);
@@ -175,7 +177,7 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
   }
 
   @Override
-  public int compareTo(CliFunctionResult o) {
+  public int compareTo(final CliFunctionResult o) {
     if (this.memberIdOrName == null && o.memberIdOrName == null) {
       return 0;
     }
@@ -190,14 +192,14 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
 
   @Override
   public int hashCode() {
-    final int prime = 31;
+    int prime = 31;
     int result = 1;
     result = prime * result + ((this.memberIdOrName == null) ? 0 : this.memberIdOrName.hashCode());
     return result;
   }
 
   @Override
-  public boolean equals(Object obj) {
+  public boolean equals(final Object obj) {
     if (this == obj)
       return true;
     if (obj == null)
@@ -227,8 +229,8 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
    * @param results The results to clean.
    * @return The cleaned results.
    */
-  public static List<CliFunctionResult> cleanResults(List<?> results) {
-    List<CliFunctionResult> returnResults = new ArrayList<CliFunctionResult>(results.size());
+  public static List<CliFunctionResult> cleanResults(final List<?> results) {
+    List<CliFunctionResult> returnResults = new ArrayList<>(results.size());
     for (Object result : results) {
       if (result instanceof CliFunctionResult) {
         returnResults.add((CliFunctionResult) result);
@@ -243,4 +245,5 @@ public class CliFunctionResult implements Comparable<CliFunctionResult>, DataSer
   public Version[] getSerializationVersions() {
     return new Version[] {Version.GFE_80};
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableClientFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableClientFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableClientFunction.java
index 73761c4..6af9d50 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableClientFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableClientFunction.java
@@ -15,9 +15,8 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
-import org.apache.geode.distributed.internal.InternalDistributedSystem;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier;
 import org.apache.geode.internal.cache.tier.sockets.CacheClientProxy;
@@ -25,19 +24,18 @@ import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.domain.MemberResult;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
-/***
+/**
  * Function to close a durable client
- *
  */
-public class CloseDurableClientFunction extends FunctionAdapter implements InternalEntity {
+public class CloseDurableClientFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
-  public void execute(FunctionContext context) {
+  public void execute(final FunctionContext context) {
     String durableClientId = (String) context.getArguments();
-    final Cache cache = CliUtil.getCacheIfExists();
-    final String memberNameOrId =
+    Cache cache = context.getCache();
+    String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
     MemberResult memberResult = new MemberResult(memberNameOrId);
 
@@ -62,16 +60,13 @@ public class CloseDurableClientFunction extends FunctionAdapter implements Inter
       } else {
         memberResult.setErrorMessage(CliStrings.NO_CLIENT_FOUND);
       }
+
     } catch (Exception e) {
       memberResult.setExceptionMessage(e.getMessage());
+
     } finally {
       context.getResultSender().lastResult(memberResult);
     }
   }
 
-  @Override
-  public String getId() {
-    return CloseDurableClientFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableCqFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableCqFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableCqFunction.java
index e526409..ab925de 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableCqFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CloseDurableCqFunction.java
@@ -15,29 +15,26 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier;
 import org.apache.geode.internal.cache.tier.sockets.CacheClientProxy;
-import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
 import org.apache.geode.management.internal.cli.CliUtil;
 import org.apache.geode.management.internal.cli.domain.MemberResult;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
-/***
+/**
  * Function to close a durable cq
- *
  */
-public class CloseDurableCqFunction extends FunctionAdapter implements InternalEntity {
+public class CloseDurableCqFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
-  public void execute(FunctionContext context) {
-
-    final Cache cache = CliUtil.getCacheIfExists();
-    final String memberNameOrId =
+  public void execute(final FunctionContext context) {
+    Cache cache = context.getCache();
+    String memberNameOrId =
         CliUtil.getMemberNameOrId(cache.getDistributedSystem().getDistributedMember());
     CacheClientNotifier cacheClientNotifier = CacheClientNotifier.getInstance();
     String[] args = (String[]) context.getArguments();
@@ -45,6 +42,7 @@ public class CloseDurableCqFunction extends FunctionAdapter implements InternalE
     String cqName = args[1];
 
     MemberResult memberResult = new MemberResult(memberNameOrId);
+
     try {
       if (cacheClientNotifier != null) {
         CacheClientProxy cacheClientProxy = cacheClientNotifier.getClientProxy(durableClientId);
@@ -64,16 +62,13 @@ public class CloseDurableCqFunction extends FunctionAdapter implements InternalE
       } else {
         memberResult.setErrorMessage(CliStrings.NO_CLIENT_FOUND);
       }
+
     } catch (Exception e) {
       memberResult.setExceptionMessage(e.getMessage());
+
     } finally {
       context.getResultSender().lastResult(memberResult);
     }
   }
 
-  @Override
-  public String getId() {
-    return CloseDurableCqFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ContinuousQueryFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ContinuousQueryFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ContinuousQueryFunction.java
index 1f06a41..b03d00a 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ContinuousQueryFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/ContinuousQueryFunction.java
@@ -17,12 +17,12 @@ package org.apache.geode.management.internal.cli.functions;
 import java.io.Serializable;
 import java.util.Collection;
 import java.util.Iterator;
-import org.apache.geode.cache.CacheFactory;
+
+import org.apache.geode.cache.Cache;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.internal.cache.CacheServerImpl;
-import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.cache.tier.sockets.AcceptorImpl;
 import org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier;
 import org.apache.geode.internal.cache.tier.sockets.CacheClientProxy;
@@ -33,19 +33,14 @@ import org.apache.geode.internal.cache.tier.sockets.ServerConnection;
  * @since GemFire 8.0
  */
 public class ContinuousQueryFunction implements Function, InternalEntity {
-  private static final long serialVersionUID = 1L;
 
-  public static final String ID = ContinuousQueryFunction.class.getName();
-
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
+  private static final long serialVersionUID = 1L;
 
   @Override
   public void execute(FunctionContext context) {
     try {
       String clientID = (String) context.getArguments();
-      InternalCache cache = getCache();
+      Cache cache = context.getCache();
       if (cache.getCacheServers().size() > 0) {
         CacheServerImpl server = (CacheServerImpl) cache.getCacheServers().iterator().next();
         if (server != null) {
@@ -100,16 +95,13 @@ public class ContinuousQueryFunction implements Function, InternalEntity {
           }
         }
       }
+
     } catch (Exception e) {
       context.getResultSender()
           .lastResult("Exception in ContinuousQueryFunction =" + e.getMessage());
     }
-    context.getResultSender().lastResult(null);
-  }
 
-  @Override
-  public String getId() {
-    return ContinuousQueryFunction.ID;
+    context.getResultSender().lastResult(null);
   }
 
   @Override
@@ -128,13 +120,15 @@ public class ContinuousQueryFunction implements Function, InternalEntity {
   }
 
   public class ClientInfo implements Serializable {
+
     private static final long serialVersionUID = 1L;
-    public String isDurable;
-    public String primaryServer;
-    public String secondaryServer;
 
-    public ClientInfo(String IsClientDurable, String primaryServerId, String secondaryServerId) {
-      isDurable = IsClientDurable;
+    public final String isDurable;
+    public final String primaryServer;
+    public final String secondaryServer;
+
+    public ClientInfo(final String isClientDurable, final String primaryServerId, final String secondaryServerId) {
+      isDurable = isClientDurable;
       primaryServer = primaryServerId;
       secondaryServer = secondaryServerId;
     }
@@ -145,4 +139,5 @@ public class ContinuousQueryFunction implements Function, InternalEntity {
           + ", secondaryServer=" + secondaryServer + "]";
     }
   }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateAsyncEventQueueFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateAsyncEventQueueFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateAsyncEventQueueFunction.java
index 5696696..5461a49 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateAsyncEventQueueFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateAsyncEventQueueFunction.java
@@ -23,11 +23,10 @@ import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.Declarable;
 import org.apache.geode.cache.asyncqueue.AsyncEventListener;
 import org.apache.geode.cache.asyncqueue.AsyncEventQueueFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.wan.GatewayEventFilter;
 import org.apache.geode.cache.wan.GatewayEventSubstitutionFilter;
@@ -48,25 +47,21 @@ import org.apache.geode.management.internal.configuration.domain.XmlEntity;
  *
  * @since GemFire 8.0
  */
-public class CreateAsyncEventQueueFunction extends FunctionAdapter implements InternalEntity {
+public class CreateAsyncEventQueueFunction implements InternalEntity, Function {
+
   private static final Logger logger = LogService.getLogger();
 
   private static final long serialVersionUID = 1L;
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
-
-  @SuppressWarnings("deprecation")
   @Override
-  public void execute(FunctionContext context) {
+  public void execute(final FunctionContext context) {
     // Declared here so that it's available when returning a Throwable
     String memberId = "";
 
     try {
       AsyncEventQueueFunctionArgs aeqArgs = (AsyncEventQueueFunctionArgs) context.getArguments();
 
-      InternalCache cache = getCache();
+      InternalCache cache = (InternalCache) context.getCache();
 
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
@@ -179,8 +174,4 @@ public class CreateAsyncEventQueueFunction extends FunctionAdapter implements In
     }
   }
 
-  @Override
-  public String getId() {
-    return CreateDiskStoreFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDefinedIndexesFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDefinedIndexesFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDefinedIndexesFunction.java
index 742840c..47017f0 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDefinedIndexesFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDefinedIndexesFunction.java
@@ -14,33 +14,28 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import java.util.Arrays;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
-import org.apache.geode.cache.query.Index;
 import org.apache.geode.cache.query.MultiIndexCreationException;
 import org.apache.geode.cache.query.QueryService;
 import org.apache.geode.internal.InternalEntity;
 import org.apache.geode.management.internal.cli.domain.IndexInfo;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 
-public class CreateDefinedIndexesFunction extends FunctionAdapter implements InternalEntity {
+public class CreateDefinedIndexesFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
-  public void execute(FunctionContext context) {
+  public void execute(final FunctionContext context) {
     String memberId = null;
-    List<Index> indexes = null;
-    Cache cache = null;
+
     try {
-      cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       memberId = cache.getDistributedSystem().getDistributedMember().getId();
       QueryService queryService = cache.getQueryService();
       Set<IndexInfo> indexDefinitions = (Set<IndexInfo>) context.getArguments();
@@ -56,16 +51,18 @@ public class CreateDefinedIndexesFunction extends FunctionAdapter implements Int
           queryService.defineIndex(indexName, indexedExpression, regionPath);
         }
       }
-      indexes = queryService.createDefinedIndexes();
+      queryService.createDefinedIndexes();
       context.getResultSender().lastResult(new CliFunctionResult(memberId));
+
     } catch (MultiIndexCreationException e) {
-      StringBuffer sb = new StringBuffer();
+      StringBuilder sb = new StringBuilder();
       sb.append("Index creation failed for indexes: ").append("\n");
       for (Map.Entry<String, Exception> failedIndex : e.getExceptionsMap().entrySet()) {
         sb.append(failedIndex.getKey()).append(" : ").append(failedIndex.getValue().getMessage())
             .append("\n");
       }
       context.getResultSender().lastResult(new CliFunctionResult(memberId, e, sb.toString()));
+
     } catch (Exception e) {
       String exceptionMessage = CliStrings.format(CliStrings.EXCEPTION_CLASS_AND_MESSAGE,
           e.getClass().getName(), e.getMessage());
@@ -73,14 +70,4 @@ public class CreateDefinedIndexesFunction extends FunctionAdapter implements Int
     }
   }
 
-  public void createCommandObject(IndexInfo info) {
-    Cache cache = CacheFactory.getAnyInstance();
-    QueryService queryService = cache.getQueryService();
-  }
-
-  @Override
-  public String getId() {
-    return CreateDefinedIndexesFunction.class.getName();
-  }
-
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDiskStoreFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDiskStoreFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDiskStoreFunction.java
index 3b4679c..9ade960 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDiskStoreFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateDiskStoreFunction.java
@@ -14,19 +14,12 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-/**
- * Function used by the 'create disk-store' gfsh command to create a disk store on each member.
- * 
- * @since GemFire 8.0
- */
-
 import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.DiskStoreFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.internal.InternalEntity;
@@ -36,25 +29,28 @@ import org.apache.geode.internal.cache.xmlcache.CacheXml;
 import org.apache.geode.internal.logging.LogService;
 import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 
-public class CreateDiskStoreFunction extends FunctionAdapter implements InternalEntity {
-  private static final Logger logger = LogService.getLogger();
+/**
+ * Function used by the 'create disk-store' gfsh command to create a disk store on each member.
+ *
+ * @since GemFire 8.0
+ */
+public class CreateDiskStoreFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
+  private static final Logger logger = LogService.getLogger();
 
   @Override
-  public void execute(FunctionContext context) {
+  public void execute(final FunctionContext context) {
     // Declared here so that it's available when returning a Throwable
     String memberId = "";
+
     try {
-      final Object[] args = (Object[]) context.getArguments();
-      final String diskStoreName = (String) args[0];
-      final DiskStoreAttributes diskStoreAttrs = (DiskStoreAttributes) args[01];
+      Object[] args = (Object[]) context.getArguments();
+      String diskStoreName = (String) args[0];
+      DiskStoreAttributes diskStoreAttrs = (DiskStoreAttributes) args[01];
 
-      InternalCache cache = getCache();
+      InternalCache cache = (InternalCache) context.getCache();
 
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
@@ -84,8 +80,4 @@ public class CreateDiskStoreFunction extends FunctionAdapter implements Internal
     }
   }
 
-  @Override
-  public String getId() {
-    return CreateDiskStoreFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateIndexFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateIndexFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateIndexFunction.java
index 8a65f7a..cac6246 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateIndexFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/CreateIndexFunction.java
@@ -15,8 +15,7 @@
 package org.apache.geode.management.internal.cli.functions;
 
 import org.apache.geode.cache.Cache;
-import org.apache.geode.cache.CacheFactory;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.query.IndexExistsException;
 import org.apache.geode.cache.query.IndexInvalidException;
@@ -29,21 +28,20 @@ import org.apache.geode.management.internal.cli.domain.IndexInfo;
 import org.apache.geode.management.internal.cli.i18n.CliStrings;
 import org.apache.geode.management.internal.configuration.domain.XmlEntity;
 
-/***
+/**
  * Function to create index in a member, based on different arguments passed to it
- *
  */
-public class CreateIndexFunction extends FunctionAdapter implements InternalEntity {
-
+public class CreateIndexFunction implements InternalEntity, Function {
 
   private static final long serialVersionUID = 1L;
 
   @Override
   public void execute(FunctionContext context) {
-    final IndexInfo indexInfo = (IndexInfo) context.getArguments();
+    IndexInfo indexInfo = (IndexInfo) context.getArguments();
     String memberId = null;
+
     try {
-      Cache cache = CacheFactory.getAnyInstance();
+      Cache cache = context.getCache();
       memberId = cache.getDistributedSystem().getDistributedMember().getId();
       QueryService queryService = cache.getQueryService();
       String indexName = indexInfo.getIndexName();
@@ -70,20 +68,25 @@ public class CreateIndexFunction extends FunctionAdapter implements InternalEnti
 
       regionPath = getValidRegionName(cache, regionPath);
       setResultInSender(context, indexInfo, memberId, cache, regionPath);
+
     } catch (IndexExistsException e) {
       String message =
           CliStrings.format(CliStrings.CREATE_INDEX__INDEX__EXISTS, indexInfo.getIndexName());
       context.getResultSender().lastResult(new CliFunctionResult(memberId, false, message));
+
     } catch (IndexNameConflictException e) {
       String message =
           CliStrings.format(CliStrings.CREATE_INDEX__NAME__CONFLICT, indexInfo.getIndexName());
       context.getResultSender().lastResult(new CliFunctionResult(memberId, false, message));
+
     } catch (RegionNotFoundException e) {
       String message = CliStrings.format(CliStrings.CREATE_INDEX__INVALID__REGIONPATH,
           indexInfo.getRegionPath());
       context.getResultSender().lastResult(new CliFunctionResult(memberId, false, message));
+
     } catch (IndexInvalidException e) {
       context.getResultSender().lastResult(new CliFunctionResult(memberId, e, e.getMessage()));
+
     } catch (Exception e) {
       String exceptionMessage = CliStrings.format(CliStrings.EXCEPTION_CLASS_AND_MESSAGE,
           e.getClass().getName(), e.getMessage());
@@ -91,12 +94,13 @@ public class CreateIndexFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  private void setResultInSender(FunctionContext context, IndexInfo indexInfo, String memberId,
-      Cache cache, String regionPath) {
+  private void setResultInSender(final FunctionContext context, final IndexInfo indexInfo, final String memberId,
+                                 final Cache cache, final String regionPath) {
     if (regionPath == null) {
       String message = CliStrings.format(CliStrings.CREATE_INDEX__INVALID__REGIONPATH,
           indexInfo.getRegionPath());
       context.getResultSender().lastResult(new CliFunctionResult(memberId, false, message));
+
     } else {
       XmlEntity xmlEntity =
           new XmlEntity(CacheXml.REGION, "name", cache.getRegion(regionPath).getName());
@@ -104,7 +108,7 @@ public class CreateIndexFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  private String getValidRegionName(Cache cache, String regionPath) {
+  private String getValidRegionName(final Cache cache, String regionPath) {
     while (regionPath != null && cache.getRegion(regionPath) == null) {
       int dotPosition;
       if (regionPath.contains(".") && ((dotPosition = regionPath.lastIndexOf('.')) != -1)) {
@@ -116,8 +120,4 @@ public class CreateIndexFunction extends FunctionAdapter implements InternalEnti
     return regionPath;
   }
 
-  @Override
-  public String getId() {
-    return CreateIndexFunction.class.getName();
-  }
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DataCommandFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DataCommandFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DataCommandFunction.java
index 96f8815..0483838 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DataCommandFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DataCommandFunction.java
@@ -14,10 +14,8 @@
  */
 package org.apache.geode.management.internal.cli.functions;
 
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -26,13 +24,11 @@ import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.commons.lang.StringUtils;
 import org.apache.logging.log4j.Logger;
-import org.apache.shiro.subject.Subject;
 import org.json.JSONArray;
 
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.DataPolicy;
 import org.apache.geode.cache.Region;
-import org.apache.geode.cache.execute.FunctionAdapter;
+import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.cache.partition.PartitionRegionHelper;
 import org.apache.geode.cache.query.FunctionDomainException;
@@ -69,19 +65,14 @@ import org.apache.geode.pdx.PdxInstance;
 /**
  * @since GemFire 7.0
  */
-public class DataCommandFunction extends FunctionAdapter implements InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
+public class DataCommandFunction implements InternalEntity, Function {
   private static final long serialVersionUID = 1L;
-
-  private boolean optimizeForWrite = false;
+  private static final Logger logger = LogService.getLogger();
 
   private static final int NESTED_JSON_LENGTH = 20;
 
-  @Override
-  public String getId() {
-    return DataCommandFunction.class.getName();
-  }
+  private boolean optimizeForWrite = false;
+  private InternalCache cache;
 
   @Override
   public boolean hasResult() {
@@ -89,7 +80,6 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
   }
 
   @Override
-
   public boolean isHA() {
     return false;
   }
@@ -107,14 +97,14 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
   }
 
   @Override
-  public void execute(FunctionContext functionContext) {
+  public void execute(final FunctionContext functionContext) {
     try {
-      InternalCache cache = getCache();
+      cache = (InternalCache) functionContext.getCache();
       DataCommandRequest request = (DataCommandRequest) functionContext.getArguments();
       if (logger.isDebugEnabled()) {
-        logger.debug("Executing function : \n{}\n on member {}", request,
-            System.getProperty("memberName"));
+        logger.debug("Executing function : \n{}\n on member {}", request, cache.getMyId());
       }
+
       DataCommandResult result = null;
       if (request.isGet()) {
         result = get(request, cache.getSecurityService());
@@ -127,22 +117,19 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
       } else if (request.isSelect()) {
         result = select(request);
       }
+
       if (logger.isDebugEnabled()) {
         logger.debug("Result is {}", result);
       }
       functionContext.getResultSender().lastResult(result);
+
     } catch (Exception e) {
       logger.info("Exception occurred:", e);
       functionContext.getResultSender().sendException(e);
     }
   }
 
-
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
-
-  public DataCommandResult remove(DataCommandRequest request) {
+  private DataCommandResult remove(final DataCommandRequest request) {
     String key = request.getKey();
     String keyClass = request.getKeyClass();
     String regionName = request.getRegionName();
@@ -150,7 +137,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return remove(key, keyClass, regionName, removeAllKeys);
   }
 
-  public DataCommandResult get(DataCommandRequest request, SecurityService securityService) {
+  private DataCommandResult get(final DataCommandRequest request, final SecurityService securityService) {
     String key = request.getKey();
     String keyClass = request.getKeyClass();
     String valueClass = request.getValueClass();
@@ -160,7 +147,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         securityService);
   }
 
-  public DataCommandResult locateEntry(DataCommandRequest request) {
+  private DataCommandResult locateEntry(final DataCommandRequest request) {
     String key = request.getKey();
     String keyClass = request.getKeyClass();
     String valueClass = request.getValueClass();
@@ -169,7 +156,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return locateEntry(key, keyClass, valueClass, regionName, recursive);
   }
 
-  public DataCommandResult put(DataCommandRequest request) {
+  private DataCommandResult put(final DataCommandRequest request) {
     String key = request.getKey();
     String value = request.getValue();
     boolean putIfAbsent = request.isPutIfAbsent();
@@ -179,30 +166,12 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return put(key, value, putIfAbsent, keyClass, valueClass, regionName);
   }
 
-  public DataCommandResult select(DataCommandRequest request) {
+  DataCommandResult select(final DataCommandRequest request) {
     String query = request.getQuery();
     return select(request.getPrincipal(), query);
   }
 
-  /**
-   * To catch trace output
-   */
-  public static class WrappedIndexTrackingQueryObserver extends IndexTrackingQueryObserver {
-
-    @Override
-    public void reset() {
-      // NOOP
-    }
-
-    public void reset2() {
-      super.reset();
-    }
-  }
-
-  @SuppressWarnings("rawtypes")
-  private DataCommandResult select(Object principal, String queryString) {
-
-    InternalCache cache = getCache();
+  private DataCommandResult select(final Object principal, final String queryString) {
     AtomicInteger nestedObjectCount = new AtomicInteger(0);
     if (StringUtils.isEmpty(queryString)) {
       return DataCommandResult.createSelectInfoResult(null, null, -1, null,
@@ -211,8 +180,9 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
 
     QueryService qs = cache.getQueryService();
 
-    // TODO : Find out if is this optimised use. Can you have something equivalent of parsed
+    // TODO : Find out if is this optimized use. Can you have something equivalent of parsed
     // queries with names where name can be retrieved to avoid parsing every-time
+
     Query query = qs.newQuery(queryString);
     DefaultQuery tracedQuery = (DefaultQuery) query;
     WrappedIndexTrackingQueryObserver queryObserver = null;
@@ -244,6 +214,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
       logger.warn(e.getMessage(), e);
       return DataCommandResult.createSelectResult(queryString, null, queryVerboseMsg, e,
           e.getMessage(), false);
+
     } finally {
       if (queryObserver != null) {
         QueryObserverHolder.reset();
@@ -251,14 +222,16 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  private void select_NonSelectResults(Object results, List<SelectResultRow> list) {
+  private void select_NonSelectResults(final Object results, final List<SelectResultRow> list) {
     if (logger.isDebugEnabled()) {
       logger.debug("BeanResults : Bean Results class is {}", results.getClass());
     }
     String str = toJson(results);
     GfJsonObject jsonBean;
+
     try {
       jsonBean = new GfJsonObject(str);
+
     } catch (GfJsonException e) {
       logger.info("Exception occurred:", e);
       jsonBean = new GfJsonObject();
@@ -268,17 +241,18 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         logger.warn("Ignored GfJsonException:", e1);
       }
     }
+
     if (logger.isDebugEnabled()) {
       logger.debug("BeanResults : Adding bean json string : {}", jsonBean);
     }
     list.add(new SelectResultRow(DataCommandResult.ROW_TYPE_BEAN, jsonBean.toString()));
   }
 
-  private void select_SelectResults(SelectResults selectResults, Object principal,
-      List<SelectResultRow> list, AtomicInteger nestedObjectCount) throws GfJsonException {
+  private void select_SelectResults(final SelectResults selectResults, final Object principal,
+                                    final List<SelectResultRow> list, final AtomicInteger nestedObjectCount) throws GfJsonException {
     for (Object object : selectResults) {
       // Post processing
-      object = getCache().getSecurityService().postProcess(principal, null, null, object, false);
+      object = cache.getSecurityService().postProcess(principal, null, null, object, false);
 
       if (object instanceof Struct) {
         StructImpl impl = (StructImpl) object;
@@ -288,19 +262,23 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         }
         list.add(
             new SelectResultRow(DataCommandResult.ROW_TYPE_STRUCT_RESULT, jsonStruct.toString()));
+
       } else if (JsonUtil.isPrimitiveOrWrapper(object.getClass())) {
         if (logger.isDebugEnabled()) {
           logger.debug("SelectResults : Adding select primitive : {}", object);
         }
         list.add(new SelectResultRow(DataCommandResult.ROW_TYPE_PRIMITIVE, object));
+
       } else {
         if (logger.isDebugEnabled()) {
           logger.debug("SelectResults : Bean Results class is {}", object.getClass());
         }
         String str = toJson(object);
         GfJsonObject jsonBean;
+
         try {
           jsonBean = new GfJsonObject(str);
+
         } catch (GfJsonException e) {
           logger.error(e.getMessage(), e);
           jsonBean = new GfJsonObject();
@@ -310,6 +288,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
             logger.warn("Ignored GfJsonException:", e1);
           }
         }
+
         if (logger.isDebugEnabled()) {
           logger.debug("SelectResults : Adding bean json string : {}", jsonBean);
         }
@@ -318,7 +297,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  private String toJson(Object object) {
+  private String toJson(final Object object) {
     if (object instanceof Undefined) {
       return "{\"Value\":\"UNDEFINED\"}";
     } else if (object instanceof PdxInstance) {
@@ -328,18 +307,21 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  private GfJsonObject getJSONForStruct(StructImpl impl, AtomicInteger ai) throws GfJsonException {
+  private GfJsonObject getJSONForStruct(final StructImpl impl, final AtomicInteger ai) throws GfJsonException {
     String fields[] = impl.getFieldNames();
     Object[] values = impl.getFieldValues();
     GfJsonObject jsonObject = new GfJsonObject();
+
     for (int i = 0; i < fields.length; i++) {
       Object value = values[i];
+
       if (value != null) {
         if (JsonUtil.isPrimitiveOrWrapper(value.getClass())) {
           jsonObject.put(fields[i], value);
         } else {
           jsonObject.put(fields[i], toJson(value));
         }
+
       } else {
         jsonObject.put(fields[i], "null");
       }
@@ -347,12 +329,8 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return jsonObject;
   }
 
-  @SuppressWarnings({"rawtypes"})
-  public DataCommandResult remove(String key, String keyClass, String regionName,
-      String removeAllKeys) {
-
-    InternalCache cache = getCache();
-
+  public DataCommandResult remove(final String key, final String keyClass, final String regionName,
+                                  final String removeAllKeys) {
     if (StringUtils.isEmpty(regionName)) {
       return DataCommandResult.createRemoveResult(key, null, null,
           CliStrings.REMOVE__MSG__REGIONNAME_EMPTY, false);
@@ -367,6 +345,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     if (region == null) {
       return DataCommandResult.createRemoveInfoResult(key, null, null,
           CliStrings.format(CliStrings.REMOVE__MSG__REGION_NOT_FOUND, regionName), false);
+
     } else {
       if (removeAllKeys == null) {
         Object keyObject;
@@ -397,6 +376,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
           return DataCommandResult.createRemoveInfoResult(key, null, null,
               CliStrings.REMOVE__MSG__KEY_NOT_FOUND_REGION, false);
         }
+
       } else {
         DataPolicy policy = region.getAttributes().getDataPolicy();
         if (!policy.withPartitioning()) {
@@ -414,11 +394,8 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  @SuppressWarnings({"rawtypes"})
-  public DataCommandResult get(Object principal, String key, String keyClass, String valueClass,
-      String regionName, Boolean loadOnCacheMiss, SecurityService securityService) {
-
-    InternalCache cache = getCache();
+  public DataCommandResult get(final Object principal, final String key, final String keyClass, final String valueClass,
+                               final String regionName, final Boolean loadOnCacheMiss, final SecurityService securityService) {
 
     if (StringUtils.isEmpty(regionName)) {
       return DataCommandResult.createGetResult(key, null, null,
@@ -438,6 +415,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
       }
       return DataCommandResult.createGetResult(key, null, null,
           CliStrings.format(CliStrings.GET__MSG__REGION_NOT_FOUND, regionName), false);
+
     } else {
       Object keyObject;
       try {
@@ -452,6 +430,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
 
       // TODO determine whether the following conditional logic (assigned to 'doGet') is safer or
       // necessary
+
       boolean doGet = Boolean.TRUE.equals(loadOnCacheMiss);
 
       if (doGet || region.containsKey(keyObject)) {
@@ -477,6 +456,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         } else {
           return DataCommandResult.createGetResult(key, array[1], null, null, false);
         }
+
       } else {
         if (logger.isDebugEnabled()) {
           logger.debug("Key is not present in the region {}", regionName);
@@ -487,11 +467,8 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  @SuppressWarnings({"unchecked", "rawtypes"})
-  public DataCommandResult locateEntry(String key, String keyClass, String valueClass,
-      String regionPath, boolean recursive) {
-
-    InternalCache cache = getCache();
+  DataCommandResult locateEntry(final String key, final String keyClass, final String valueClass,
+                                       final String regionPath, final boolean recursive) {
 
     if (StringUtils.isEmpty(regionPath)) {
       return DataCommandResult.createLocateEntryResult(key, null, null,
@@ -513,6 +490,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
           listOfRegionsStartingWithRegionPath.add(targetRegion);
         }
       }
+
       if (listOfRegionsStartingWithRegionPath.size() == 0) {
         if (logger.isDebugEnabled()) {
           logger.debug("Region Not Found - {}", regionPath);
@@ -520,6 +498,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         return DataCommandResult.createLocateEntryResult(key, null, null,
             CliStrings.format(CliStrings.REMOVE__MSG__REGION_NOT_FOUND, regionPath), false);
       }
+
     } else {
       Region region = cache.getRegion(regionPath);
       if (region == null) {
@@ -574,6 +553,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
           return DataCommandResult.createLocateEntryInfoResult(key, null, null,
               CliStrings.LOCATE_ENTRY__MSG__KEY_NOT_FOUND_REGION, false);
         }
+
       } else {
         if (region.containsKey(keyObject)) {
           value = region.get(keyObject);
@@ -603,9 +583,8 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  @SuppressWarnings({"rawtypes"})
-  public DataCommandResult put(String key, String value, boolean putIfAbsent, String keyClass,
-      String valueClass, String regionName) {
+  public DataCommandResult put(final String key, final String value, final boolean putIfAbsent, final String keyClass,
+                               final String valueClass, final String regionName) {
 
     if (StringUtils.isEmpty(regionName)) {
       return DataCommandResult.createPutResult(key, null, null,
@@ -622,11 +601,11 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
           false);
     }
 
-    InternalCache cache = getCache();
     Region region = cache.getRegion(regionName);
     if (region == null) {
       return DataCommandResult.createPutResult(key, null, null,
           CliStrings.format(CliStrings.PUT__MSG__REGION_NOT_FOUND, regionName), false);
+
     } else {
       Object keyObject;
       Object valueObject;
@@ -646,12 +625,14 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         return DataCommandResult.createPutResult(key, null, null,
             "ClassNotFoundException " + valueClass, false);
       }
+
       Object returnValue;
       if (putIfAbsent && region.containsKey(keyObject)) {
         returnValue = region.get(keyObject);
       } else {
         returnValue = region.put(keyObject, valueObject);
       }
+
       Object array[] = getJSONForNonPrimitiveObject(returnValue);
       DataCommandResult result = DataCommandResult.createPutResult(key, array[1], null, null, true);
       if (array[0] != null) {
@@ -661,8 +642,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  @SuppressWarnings({"rawtypes", "unchecked"})
-  private Object getClassObject(String string, String klassString)
+  private Object getClassObject(final String string, final String klassString)
       throws ClassNotFoundException, IllegalArgumentException {
     if (StringUtils.isEmpty(klassString)) {
       return string;
@@ -691,6 +671,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
           return Float.parseFloat(string);
         }
         return null;
+
       } catch (NumberFormatException e) {
         throw new IllegalArgumentException(
             "Failed to convert input key to " + klassString + " Msg : " + e.getMessage());
@@ -700,30 +681,33 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return getObjectFromJson(string, klass);
   }
 
-  @SuppressWarnings({"rawtypes"})
-  public static Object[] getJSONForNonPrimitiveObject(Object obj) {
+  private static Object[] getJSONForNonPrimitiveObject(Object obj) {
     Object[] array = new Object[2];
     if (obj == null) {
       array[0] = null;
       array[1] = "<NULL>";
       return array;
+
     } else {
       array[0] = obj.getClass().getCanonicalName();
       Class klass = obj.getClass();
+
       if (JsonUtil.isPrimitiveOrWrapper(klass)) {
         array[1] = obj;
+
       } else if (obj instanceof PdxInstance) {
         String str = pdxToJson((PdxInstance) obj);
         array[1] = str;
+
       } else {
         GfJsonObject object = new GfJsonObject(obj, true);
         Iterator keysIterator = object.keys();
         while (keysIterator.hasNext()) {
           String key = (String) keysIterator.next();
           Object value = object.get(key);
+
           if (GfJsonObject.isJSONKind(value)) {
             GfJsonObject jsonVal = new GfJsonObject(value);
-            // System.out.println("Re-wrote inner object");
             try {
               if (jsonVal.has("type-class")) {
                 object.put(key, jsonVal.get("type-class"));
@@ -734,6 +718,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
             } catch (GfJsonException e) {
               throw new RuntimeException(e);
             }
+
           } else if (value instanceof JSONArray) {
             // Its a collection either a set or list
             try {
@@ -750,7 +735,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     }
   }
 
-  private static String pdxToJson(PdxInstance obj) {
+  private static String pdxToJson(final PdxInstance obj) {
     if (obj != null) {
       try {
         GfJsonObject json = new GfJsonObject();
@@ -772,7 +757,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return null;
   }
 
-  public static <V> V getObjectFromJson(String json, Class<V> klass) {
+  private static <V> V getObjectFromJson(final String json, final Class<V> klass) {
     String newString = json.replaceAll("'", "\"");
     if (newString.charAt(0) == '(') {
       int len = newString.length();
@@ -783,7 +768,6 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return JsonUtil.jsonToObject(newString, klass);
   }
 
-
   /**
    * Returns a sorted list of all region full paths found in the specified cache.
    * 
@@ -791,9 +775,8 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
    * @param recursive recursive search for sub-regions
    * @return Returns a sorted list of all region paths defined in the distributed system.
    */
-  @SuppressWarnings({"rawtypes", "unchecked"})
-  public static List getAllRegionPaths(InternalCache cache, boolean recursive) {
-    ArrayList list = new ArrayList();
+  private static List getAllRegionPaths(final InternalCache cache, final boolean recursive) {
+    List list = new ArrayList();
     if (cache == null) {
       return list;
     }
@@ -817,7 +800,7 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
     return list;
   }
 
-  public static String getLogMessage(QueryObserver observer, long startTime, String query) {
+  private static String getLogMessage(final QueryObserver observer, final long startTime, final String query) {
     String usedIndexesString = null;
     float time = 0.0f;
 
@@ -829,10 +812,11 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
       IndexTrackingQueryObserver indexObserver = (IndexTrackingQueryObserver) observer;
       Map usedIndexes = indexObserver.getUsedIndexes();
       indexObserver.reset();
-      StringBuffer buf = new StringBuffer();
+      StringBuilder buf = new StringBuilder();
       buf.append(" indexesUsed(");
       buf.append(usedIndexes.size());
       buf.append(")");
+
       if (usedIndexes.size() > 0) {
         buf.append(":");
         for (Iterator itr = usedIndexes.entrySet().iterator(); itr.hasNext();) {
@@ -843,7 +827,9 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
           }
         }
       }
+
       usedIndexesString = buf.toString();
+
     } else if (DefaultQuery.QUERY_VERBOSE) {
       usedIndexesString = " indexesUsed(NA due to other observer in the way: "
           + observer.getClass().getName() + ")";
@@ -853,4 +839,19 @@ public class DataCommandFunction extends FunctionAdapter implements InternalEnti
         usedIndexesString != null ? usedIndexesString : "");
   }
 
+  /**
+   * To catch trace output
+   */
+  public static class WrappedIndexTrackingQueryObserver extends IndexTrackingQueryObserver {
+
+    @Override
+    public void reset() {
+      // NOOP
+    }
+
+    void reset2() {
+      super.reset();
+    }
+  }
+
 }

http://git-wip-us.apache.org/repos/asf/geode/blob/96e50e7e/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DeployFunction.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DeployFunction.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DeployFunction.java
index 401a368..ce42594 100644
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DeployFunction.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/cli/functions/DeployFunction.java
@@ -21,27 +21,20 @@ import org.apache.logging.log4j.Logger;
 
 import org.apache.geode.SystemFailure;
 import org.apache.geode.cache.CacheClosedException;
-import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.cache.execute.Function;
 import org.apache.geode.cache.execute.FunctionContext;
 import org.apache.geode.distributed.DistributedMember;
 import org.apache.geode.internal.ClassPathLoader;
 import org.apache.geode.internal.DeployedJar;
 import org.apache.geode.internal.InternalEntity;
-import org.apache.geode.internal.JarDeployer;
 import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.logging.LogService;
 
 public class DeployFunction implements Function, InternalEntity {
-  private static final Logger logger = LogService.getLogger();
-
-  public static final String ID = DeployFunction.class.getName();
 
   private static final long serialVersionUID = 1L;
 
-  private InternalCache getCache() {
-    return (InternalCache) CacheFactory.getAnyInstance();
-  }
+  private static final Logger logger = LogService.getLogger();
 
   @Override
   public void execute(FunctionContext context) {
@@ -52,7 +45,7 @@ public class DeployFunction implements Function, InternalEntity {
       final Object[] args = (Object[]) context.getArguments();
       final String[] jarFilenames = (String[]) args[0];
       final byte[][] jarBytes = (byte[][]) args[1];
-      InternalCache cache = getCache();
+      InternalCache cache = (InternalCache) context.getCache();
 
       DistributedMember member = cache.getDistributedSystem().getDistributedMember();
 
@@ -96,11 +89,6 @@ public class DeployFunction implements Function, InternalEntity {
   }
 
   @Override
-  public String getId() {
-    return ID;
-  }
-
-  @Override
   public boolean hasResult() {
     return true;
   }
@@ -114,4 +102,5 @@ public class DeployFunction implements Function, InternalEntity {
   public boolean isHA() {
     return false;
   }
+
 }