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Posted to commits@atlas.apache.org by ap...@apache.org on 2017/10/24 08:05:00 UTC

[3/4] atlas git commit: ATLAS-1805:Provide an Atlas hook to send Hbase Namespace/Table/column family metadata to Atlas

http://git-wip-us.apache.org/repos/asf/atlas/blob/183e9239/addons/hbase-bridge-shim/src/main/java/org/apache/atlas/hbase/hook/HBaseAtlasCoprocessor.java
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diff --git a/addons/hbase-bridge-shim/src/main/java/org/apache/atlas/hbase/hook/HBaseAtlasCoprocessor.java b/addons/hbase-bridge-shim/src/main/java/org/apache/atlas/hbase/hook/HBaseAtlasCoprocessor.java
new file mode 100755
index 0000000..e8cb20b
--- /dev/null
+++ b/addons/hbase-bridge-shim/src/main/java/org/apache/atlas/hbase/hook/HBaseAtlasCoprocessor.java
@@ -0,0 +1,3603 @@
+/**
+ *
+ * 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.atlas.hbase.hook;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.NavigableSet;
+
+import org.apache.atlas.plugin.classloader.AtlasPluginClassLoader;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.CellScanner;
+import org.apache.hadoop.hbase.CoprocessorEnvironment;
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.NamespaceDescriptor;
+import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Append;
+import org.apache.hadoop.hbase.client.Delete;
+import org.apache.hadoop.hbase.client.Durability;
+import org.apache.hadoop.hbase.client.Get;
+import org.apache.hadoop.hbase.client.Increment;
+import org.apache.hadoop.hbase.client.Mutation;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.coprocessor.BulkLoadObserver;
+import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;
+import org.apache.hadoop.hbase.coprocessor.MasterObserver;
+import org.apache.hadoop.hbase.coprocessor.ObserverContext;
+import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
+import org.apache.hadoop.hbase.coprocessor.RegionObserver;
+import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment;
+import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;
+import org.apache.hadoop.hbase.filter.ByteArrayComparable;
+import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
+import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;
+import org.apache.hadoop.hbase.io.Reference;
+import org.apache.hadoop.hbase.io.hfile.CacheConfig;
+import org.apache.hadoop.hbase.master.RegionPlan;
+import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.WALEntry;
+import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;
+import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas;
+import org.apache.hadoop.hbase.protobuf.generated.SecureBulkLoadProtos.CleanupBulkLoadRequest;
+import org.apache.hadoop.hbase.protobuf.generated.SecureBulkLoadProtos.PrepareBulkLoadRequest;
+import org.apache.hadoop.hbase.regionserver.DeleteTracker;
+import org.apache.hadoop.hbase.regionserver.InternalScanner;
+import org.apache.hadoop.hbase.regionserver.KeyValueScanner;
+import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress;
+import org.apache.hadoop.hbase.regionserver.Region;
+import org.apache.hadoop.hbase.regionserver.Region.Operation;
+import org.apache.hadoop.hbase.regionserver.RegionScanner;
+import org.apache.hadoop.hbase.regionserver.ScanType;
+import org.apache.hadoop.hbase.regionserver.Store;
+import org.apache.hadoop.hbase.regionserver.StoreFile;
+import org.apache.hadoop.hbase.regionserver.StoreFile.Reader;
+import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
+import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
+import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
+import org.apache.hadoop.hbase.replication.ReplicationEndpoint;
+import org.apache.hadoop.hbase.util.Pair;
+import org.apache.hadoop.hbase.wal.WALKey;
+import com.google.common.collect.ImmutableList;
+import java.util.Set;
+import com.google.common.net.HostAndPort;
+
+
+public class HBaseAtlasCoprocessor implements MasterObserver, RegionObserver, RegionServerObserver, BulkLoadObserver {
+    public static final Log LOG = LogFactory.getLog(HBaseAtlasCoprocessor.class);
+
+    private static final String ATLAS_PLUGIN_TYPE               = "hbase";
+    private static final String ATLAS_HBASE_HOOK_IMPL_CLASSNAME = "org.apache.atlas.hbase.hook.HBaseAtlasCoprocessor";
+
+    private AtlasPluginClassLoader atlasPluginClassLoader = null;
+    private Object                 impl                     = null;
+    private MasterObserver         implMasterObserver       = null;
+    private RegionObserver         implRegionObserver       = null;
+    private RegionServerObserver   implRegionServerObserver = null;
+    private BulkLoadObserver       implBulkLoadObserver     = null;
+
+    public HBaseAtlasCoprocessor() {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.HBaseAtlasCoprocessor()");
+        }
+
+        this.init();
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.HBaseAtlasCoprocessor()");
+        }
+    }
+
+    private void init(){
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.init()");
+        }
+
+        try {
+            atlasPluginClassLoader = AtlasPluginClassLoader.getInstance(ATLAS_PLUGIN_TYPE, this.getClass());
+
+            @SuppressWarnings("unchecked")
+            Class<?> cls = Class.forName(ATLAS_HBASE_HOOK_IMPL_CLASSNAME, true, atlasPluginClassLoader);
+
+            activatePluginClassLoader();
+
+            impl                     = cls.newInstance();
+            implMasterObserver       = (MasterObserver)impl;
+            implRegionObserver       = (RegionObserver)impl;
+            implRegionServerObserver = (RegionServerObserver)impl;
+            implBulkLoadObserver     = (BulkLoadObserver)impl;
+
+        } catch (Exception e) {
+            // check what need to be done
+            LOG.error("Error Enabling RangerHbasePlugin", e);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.init()");
+        }
+    }
+
+
+
+    @Override
+    public void postScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postScannerClose()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postScannerClose(c, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postScannerClose()");
+        }
+    }
+
+    @Override
+    public RegionScanner postScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Scan scan, RegionScanner s) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postScannerOpen()");
+        }
+
+        final RegionScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postScannerOpen(c, scan, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postScannerOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postStartMaster()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postStartMaster(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postStartMaster()");
+        }
+
+    }
+
+    @Override
+    public void preAddColumn(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName, HColumnDescriptor column) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preAddColumn()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preAddColumn(c, tableName, column);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preAddColumn()");
+        }
+    }
+
+    @Override
+    public Result preAppend(ObserverContext<RegionCoprocessorEnvironment> c, Append append) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preAppend()");
+        }
+
+        final Result ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preAppend(c, append);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preAppend()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preAssign(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo regionInfo) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preAssign()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preAssign(c, regionInfo);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preAssign()");
+        }
+    }
+
+    @Override
+    public void preBalance(ObserverContext<MasterCoprocessorEnvironment> c) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preBalance()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preBalance(c);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preBalance()");
+        }
+    }
+
+    @Override
+    public boolean preBalanceSwitch(ObserverContext<MasterCoprocessorEnvironment> c, boolean newValue) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preBalanceSwitch()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implMasterObserver.preBalanceSwitch(c, newValue);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preBalanceSwitch()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preBulkLoadHFile(ObserverContext<RegionCoprocessorEnvironment> ctx, List<Pair<byte[], String>> familyPaths) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preBulkLoadHFile()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preBulkLoadHFile(ctx, familyPaths);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preBulkLoadHFile()");
+        }
+
+    }
+
+    @Override
+    public boolean preCheckAndDelete(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, CompareOp compareOp, ByteArrayComparable comparator, Delete delete, boolean result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCheckAndDelete()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCheckAndDelete(c, row, family, qualifier, compareOp, comparator, delete, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCheckAndDelete()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public boolean preCheckAndPut(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, CompareOp compareOp, ByteArrayComparable comparator, Put put, boolean result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCheckAndPut()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCheckAndPut(c, row, family, qualifier, compareOp, comparator, put, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCheckAndPut()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preCloneSnapshot(ObserverContext<MasterCoprocessorEnvironment> ctx, SnapshotDescription snapshot, HTableDescriptor hTableDescriptor) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCloneSnapshot()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preCloneSnapshot(ctx, snapshot, hTableDescriptor);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCloneSnapshot()");
+        }
+    }
+
+    @Override
+    public void preClose(ObserverContext<RegionCoprocessorEnvironment> e, boolean abortRequested) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preClose()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preClose(e, abortRequested);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preClose()");
+        }
+    }
+
+    @Override
+    public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> e, Store store, InternalScanner scanner, ScanType scanType) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCompact()");
+        }
+
+        final InternalScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCompact(e, store, scanner, scanType);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCompact()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preCompactSelection(ObserverContext<RegionCoprocessorEnvironment> e, Store store, List<StoreFile> candidates) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCompactSelection()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preCompactSelection(e, store, candidates);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCompactSelection()");
+        }
+    }
+
+    @Override
+    public void preCreateTable(ObserverContext<MasterCoprocessorEnvironment> c, HTableDescriptor desc, HRegionInfo[] regions) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCreateTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preCreateTable(c, desc, regions);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCreateTable()");
+        }
+    }
+
+    @Override
+    public void preDelete(ObserverContext<RegionCoprocessorEnvironment> c, Delete delete, WALEdit edit, Durability durability) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDelete()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preDelete(c, delete, edit, durability);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDelete()");
+        }
+    }
+
+    @Override
+    public void preDeleteColumn(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName, byte[] col) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDeleteColumn()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preDeleteColumn(c, tableName, col);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDeleteColumn()");
+        }
+    }
+
+    @Override
+    public void preDeleteSnapshot(ObserverContext<MasterCoprocessorEnvironment> ctx, SnapshotDescription snapshot) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDeleteSnapshot()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preDeleteSnapshot(ctx, snapshot);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDeleteSnapshot()");
+        }
+    }
+
+    @Override
+    public void preDeleteTable(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDeleteTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preDeleteTable(c, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDeleteTable()");
+        }
+    }
+
+    @Override
+    public void preDisableTable(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDisableTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preDisableTable(c, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDisableTable()");
+        }
+    }
+
+    @Override
+    public void preEnableTable(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preEnableTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preEnableTable(c, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preEnableTable()");
+        }
+    }
+
+    @Override
+    public boolean preExists(ObserverContext<RegionCoprocessorEnvironment> c, Get get, boolean exists) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preExists()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preExists(c, get, exists);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preExists()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preFlush(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preFlush()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preFlush(e);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preFlush()");
+        }
+    }
+
+    @Override
+    public void preGetClosestRowBefore(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, Result result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preGetClosestRowBefore()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preGetClosestRowBefore(c, row, family, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preGetClosestRowBefore()");
+        }
+    }
+
+    @Override
+    public Result preIncrement(ObserverContext<RegionCoprocessorEnvironment> c, Increment increment) throws IOException {
+        final Result ret;
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preIncrement()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preIncrement(c, increment);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preIncrement()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public long preIncrementColumnValue(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, long amount, boolean writeToWAL) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preIncrementColumnValue()");
+        }
+
+        final  long ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preIncrementColumnValue(c, row, family, qualifier, amount, writeToWAL);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preIncrementColumnValue()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preModifyColumn(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName, HColumnDescriptor descriptor) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preModifyColumn()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preModifyColumn(c, tableName, descriptor);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preModifyColumn()");
+        }
+    }
+
+    @Override
+    public void preModifyTable(ObserverContext<MasterCoprocessorEnvironment> c, TableName tableName, HTableDescriptor htd) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preModifyTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preModifyTable(c, tableName, htd);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preModifyTable()");
+        }
+    }
+
+    @Override
+    public void preMove(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo region, ServerName srcServer, ServerName destServer) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preMove()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preMove(c, region, srcServer, destServer);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preMove()");
+        }
+    }
+
+    @Override
+    public void preOpen(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preOpen()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preOpen(e);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preOpen()");
+        }
+    }
+
+    @Override
+    public void preRestoreSnapshot(ObserverContext<MasterCoprocessorEnvironment> ctx, SnapshotDescription snapshot, HTableDescriptor hTableDescriptor) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preRestoreSnapshot()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preRestoreSnapshot(ctx, snapshot, hTableDescriptor);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preRestoreSnapshot()");
+        }
+    }
+
+    @Override
+    public void preScannerClose(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preScannerClose()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preScannerClose(c, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preScannerClose()");
+        }
+    }
+
+    @Override
+    public boolean preScannerNext(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, List<Result> result, int limit, boolean hasNext) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preScannerNext()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preScannerNext(c, s, result, limit, hasNext);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preScannerNext()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public RegionScanner preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Scan scan, RegionScanner s) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preScannerOpen()");
+        }
+
+        final RegionScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preScannerOpen(c, scan, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preScannerOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preShutdown(ObserverContext<MasterCoprocessorEnvironment> c) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preShutdown()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preShutdown(c);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preShutdown()");
+        }
+    }
+
+    @Override
+    public void preSnapshot(ObserverContext<MasterCoprocessorEnvironment> ctx, SnapshotDescription snapshot, HTableDescriptor hTableDescriptor) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSnapshot()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preSnapshot(ctx, snapshot, hTableDescriptor);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSnapshot()");
+        }
+    }
+
+    @Override
+    public void preSplit(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSplit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preSplit(e);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSplit()");
+        }
+    }
+
+    @Override
+    public void preStopMaster(ObserverContext<MasterCoprocessorEnvironment> c) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preStopMaster()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preStopMaster(c);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preStopMaster()");
+        }
+    }
+
+    @Override
+    public void preStopRegionServer(ObserverContext<RegionServerCoprocessorEnvironment> env) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preStopRegionServer()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.preStopRegionServer(env);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preStopRegionServer()");
+        }
+    }
+
+    @Override
+    public void preUnassign(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo regionInfo, boolean force) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preUnassign()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preUnassign(c, regionInfo, force);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preUnassign()");
+        }
+    }
+
+    @Override
+    public void preSetUserQuota(ObserverContext<MasterCoprocessorEnvironment> ctx, String userName, Quotas quotas) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSetUserQuota()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preSetUserQuota(ctx, userName, quotas);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSetUserQuota()");
+        }
+    }
+
+    @Override
+    public void preSetUserQuota(ObserverContext<MasterCoprocessorEnvironment> ctx, String userName, TableName tableName, Quotas quotas) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSetUserQuota()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preSetUserQuota(ctx, userName, tableName, quotas);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSetUserQuota()");
+        }
+    }
+
+    @Override
+    public void preSetUserQuota(ObserverContext<MasterCoprocessorEnvironment> ctx, String userName, String namespace, Quotas quotas) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSetUserQuota()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preSetUserQuota(ctx, userName, namespace, quotas);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSetUserQuota()");
+        }
+    }
+
+    @Override
+    public void preSetTableQuota(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName, Quotas quotas) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSetTableQuota()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preSetTableQuota(ctx, tableName, quotas);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSetTableQuota()");
+        }
+    }
+
+    @Override
+    public void preSetNamespaceQuota(ObserverContext<MasterCoprocessorEnvironment> ctx, String namespace, Quotas quotas) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSetNamespaceQuota()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preSetNamespaceQuota(ctx, namespace, quotas);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSetNamespaceQuota()");
+        }
+    }
+
+    @Override
+    public void start(CoprocessorEnvironment env) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.start()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.start(env);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.start()");
+        }
+    }
+
+    @Override
+    public void prePut(ObserverContext<RegionCoprocessorEnvironment> c, Put put, WALEdit edit, Durability durability) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.prePut()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.prePut(c, put, edit, durability);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.prePut()");
+        }
+    }
+
+    @Override
+    public void preGetOp(ObserverContext<RegionCoprocessorEnvironment> rEnv, Get get, List<Cell> result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preGetOp()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preGetOp(rEnv, get, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preGetOp()");
+        }
+    }
+
+    @Override
+    public void preRegionOffline(ObserverContext<MasterCoprocessorEnvironment> c, HRegionInfo regionInfo) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preRegionOffline()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preRegionOffline(c, regionInfo);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preRegionOffline()");
+        }
+    }
+
+    @Override
+    public void preCreateNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx, NamespaceDescriptor ns) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCreateNamespace()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preCreateNamespace(ctx, ns);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCreateNamespace()");
+        }
+    }
+
+    @Override
+    public void preDeleteNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx, String namespace) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDeleteNamespace()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preDeleteNamespace(ctx, namespace);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDeleteNamespace()");
+        }
+    }
+
+    @Override
+    public void preModifyNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx, NamespaceDescriptor ns) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preModifyNamespace()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preModifyNamespace(ctx, ns);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preModifyNamespace()");
+        }
+    }
+
+    @Override
+    public void postGetTableDescriptors(ObserverContext<MasterCoprocessorEnvironment> ctx, List<TableName> tableNamesList, List<HTableDescriptor> descriptors, String regex) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postGetTableDescriptors()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postGetTableDescriptors(ctx, tableNamesList, descriptors, regex);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postGetTableDescriptors()");
+        }
+    }
+
+    @Override
+    public void preMerge(ObserverContext<RegionServerCoprocessorEnvironment> ctx, Region regionA, Region regionB) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preMerge()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.preMerge(ctx, regionA, regionB);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preMerge()");
+        }
+    }
+
+    @Override
+    public void prePrepareBulkLoad(ObserverContext<RegionCoprocessorEnvironment> ctx, PrepareBulkLoadRequest request) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.prePrepareBulkLoad()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implBulkLoadObserver.prePrepareBulkLoad(ctx, request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.prePrepareBulkLoad()");
+        }
+    }
+
+    @Override
+    public void preCleanupBulkLoad(ObserverContext<RegionCoprocessorEnvironment> ctx, CleanupBulkLoadRequest request) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCleanupBulkLoad()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implBulkLoadObserver.preCleanupBulkLoad(ctx, request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCleanupBulkLoad()");
+        }
+    }
+
+
+    @Override
+    public void stop(CoprocessorEnvironment env) throws IOException {
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.stop()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.stop(env);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.stop()");
+        }
+    }
+
+    @Override
+    public void postMerge(ObserverContext<RegionServerCoprocessorEnvironment> c, Region regionA, Region regionB, Region mergedRegion) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postMerge()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.postMerge(c, regionA, regionB, mergedRegion);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postMerge()");
+        }
+    }
+
+    @Override
+    public void preMergeCommit(ObserverContext<RegionServerCoprocessorEnvironment> ctx, Region regionA, Region regionB, List<Mutation> metaEntries) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preMergeCommit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.preMergeCommit(ctx ,regionA, regionB, metaEntries);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preMergeCommit()");
+        }
+    }
+
+    @Override
+    public void postMergeCommit(ObserverContext<RegionServerCoprocessorEnvironment> ctx, Region regionA, Region regionB, Region mergedRegion) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postMergeCommit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.postMergeCommit(ctx ,regionA, regionB, mergedRegion);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postMergeCommit()");
+        }
+    }
+
+    @Override
+    public void preRollBackMerge(ObserverContext<RegionServerCoprocessorEnvironment> ctx, Region regionA, Region regionB) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preRollBackMerge()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.preRollBackMerge(ctx, regionA, regionB);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preRollBackMerge()");
+        }
+    }
+
+    @Override
+    public void postRollBackMerge(ObserverContext<RegionServerCoprocessorEnvironment> ctx, Region regionA, Region regionB) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postRollBackMerge()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.postRollBackMerge(ctx, regionA, regionB);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postRollBackMerge()");
+        }
+    }
+
+    @Override
+    public void preRollWALWriterRequest(ObserverContext<RegionServerCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preRollWALWriterRequest()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.preRollWALWriterRequest(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preRollWALWriterRequest()");
+        }
+    }
+
+    @Override
+    public void postRollWALWriterRequest(ObserverContext<RegionServerCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postRollWALWriterRequest()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.postRollWALWriterRequest(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postRollWALWriterRequest()");
+        }
+    }
+
+    @Override
+    public ReplicationEndpoint postCreateReplicationEndPoint(ObserverContext<RegionServerCoprocessorEnvironment> ctx, ReplicationEndpoint endpoint) {
+
+        final ReplicationEndpoint ret;
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCreateReplicationEndPoint()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionServerObserver.postCreateReplicationEndPoint(ctx, endpoint);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCreateReplicationEndPoint()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preReplicateLogEntries(ObserverContext<RegionServerCoprocessorEnvironment> ctx, List<WALEntry> entries, CellScanner cells) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preReplicateLogEntries()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.preReplicateLogEntries(ctx, entries, cells);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preReplicateLogEntries()");
+        }
+    }
+
+    @Override
+    public void postReplicateLogEntries(ObserverContext<RegionServerCoprocessorEnvironment> ctx, List<WALEntry> entries, CellScanner cells) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postReplicateLogEntries()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionServerObserver.postReplicateLogEntries(ctx, entries, cells);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postReplicateLogEntries()");
+        }
+    }
+
+    @Override
+    public void postOpen(ObserverContext<RegionCoprocessorEnvironment> c) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postOpen()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postOpen(c);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postOpen()");
+        }
+    }
+
+    @Override
+    public void postLogReplay(ObserverContext<RegionCoprocessorEnvironment> c) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postLogReplay()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postLogReplay(c);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postLogReplay()");
+        }
+    }
+
+    @Override
+    public InternalScanner preFlushScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Store store, KeyValueScanner memstoreScanner, InternalScanner s) throws IOException {
+
+        final InternalScanner ret;
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preFlushScannerOpen()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preFlushScannerOpen(c, store, memstoreScanner, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preFlushScannerOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public InternalScanner preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner) throws IOException {
+
+        final InternalScanner ret;
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preFlush()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preFlush(c, store, scanner);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preFlush()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void postFlush(ObserverContext<RegionCoprocessorEnvironment> c) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postFlush()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postFlush(c);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postFlush()");
+        }
+    }
+
+    @Override
+    public void postFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store, StoreFile resultFile) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postFlush()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postFlush(c, store, resultFile);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postFlush()");
+        }
+    }
+
+    @Override
+    public void preCompactSelection(ObserverContext<RegionCoprocessorEnvironment> c, Store store, List<StoreFile> candidates, CompactionRequest request) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCompactSelection()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preCompactSelection(c, store, candidates, request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCompactSelection()");
+        }
+    }
+
+    @Override
+    public void postCompactSelection(ObserverContext<RegionCoprocessorEnvironment> c, Store store, ImmutableList<StoreFile> selected, CompactionRequest request) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCompactSelection()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postCompactSelection(c, store, selected, request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCompactSelection()");
+        }
+    }
+
+    @Override
+    public void postCompactSelection(ObserverContext<RegionCoprocessorEnvironment> c, Store store, ImmutableList<StoreFile> selected) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCompactSelection()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postCompactSelection(c, store, selected);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCompactSelection()");
+        }
+    }
+
+    @Override
+    public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, InternalScanner scanner, ScanType scanType, CompactionRequest request) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCompact()");
+        }
+
+        final InternalScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCompact(c, store, scanner, scanType, request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCompact()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public InternalScanner preCompactScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Store store, List<? extends KeyValueScanner> scanners, ScanType scanType,
+                                                 long earliestPutTs, InternalScanner s, CompactionRequest request) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCompactScannerOpen()");
+        }
+
+        final InternalScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCompactScannerOpen(c, store, scanners, scanType, earliestPutTs, s,request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCompactScannerOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public InternalScanner preCompactScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Store store, List<? extends KeyValueScanner> scanners, ScanType scanType,
+                                                 long earliestPutTs, InternalScanner s) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCompactScannerOpen()");
+        }
+
+        final InternalScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCompactScannerOpen(c, store, scanners, scanType, earliestPutTs, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCompactScannerOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void postCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, StoreFile resultFile, CompactionRequest request) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCompact()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postCompact(c, store, resultFile, request);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCompact()");
+        }
+    }
+
+    @Override
+    public void postCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store, StoreFile resultFile) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCompact()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postCompact(c, store, resultFile);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCompact()");
+        }
+    }
+
+    @Override
+    public void preSplit(ObserverContext<RegionCoprocessorEnvironment> c, byte[] splitRow) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSplit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preSplit(c, splitRow);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSplit()");
+        }
+    }
+
+    @Override
+    public void postSplit(ObserverContext<RegionCoprocessorEnvironment> c, Region l, Region r) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postSplit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postSplit(c, l, r);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postSplit()");
+        }
+    }
+
+    @Override
+    public void preSplitBeforePONR(ObserverContext<RegionCoprocessorEnvironment> ctx, byte[] splitKey, List<Mutation> metaEntries) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSplitBeforePONR()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preSplitBeforePONR(ctx, splitKey, metaEntries);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSplitBeforePONR()");
+        }
+    }
+
+    @Override
+    public void preSplitAfterPONR(ObserverContext<RegionCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preSplitAfterPONR()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preSplitAfterPONR(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preSplitAfterPONR()");
+        }
+    }
+
+    @Override
+    public void preRollBackSplit(ObserverContext<RegionCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preRollBackSplit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preRollBackSplit(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preRollBackSplit()");
+        }
+    }
+
+    @Override
+    public void postRollBackSplit(ObserverContext<RegionCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postRollBackSplit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postRollBackSplit(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postRollBackSplit()");
+        }
+    }
+
+    @Override
+    public void postCompleteSplit(ObserverContext<RegionCoprocessorEnvironment> ctx) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCompleteSplit()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postCompleteSplit(ctx);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCompleteSplit()");
+        }
+    }
+
+    @Override
+    public void postClose(ObserverContext<RegionCoprocessorEnvironment> c, boolean abortRequested) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postClose()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postClose(c, abortRequested);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postClose()");
+        }
+    }
+
+    @Override
+    public void postGetClosestRowBefore(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, Result result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postGetClosestRowBefore()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postGetClosestRowBefore(c, row, family, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postGetClosestRowBefore()");
+        }
+    }
+
+    @Override
+    public void postGetOp(ObserverContext<RegionCoprocessorEnvironment> c, Get get, List<Cell> result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postGetOp()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postGetOp(c, get, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postGetOp()");
+        }
+    }
+
+    @Override
+    public boolean postExists(ObserverContext<RegionCoprocessorEnvironment> c, Get get, boolean exists) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postExists()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postExists(c, get, exists);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postExists()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void postPut(ObserverContext<RegionCoprocessorEnvironment> c, Put put, WALEdit edit, Durability durability) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postPut()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postPut(c, put, edit, durability);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postPut()");
+        }
+    }
+
+    @Override
+    public void prePrepareTimeStampForDeleteVersion(ObserverContext<RegionCoprocessorEnvironment> c, Mutation mutation, Cell cell, byte[] byteNow, Get get) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.prePrepareTimeStampForDeleteVersion()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.prePrepareTimeStampForDeleteVersion(c, mutation, cell, byteNow, get);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.prePrepareTimeStampForDeleteVersion()");
+        }
+    }
+
+    @Override
+    public void postDelete(ObserverContext<RegionCoprocessorEnvironment> c, Delete delete, WALEdit edit, Durability durability) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postDelete()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postDelete(c, delete, edit, durability);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postDelete()");
+        }
+    }
+
+    @Override
+    public void preBatchMutate(ObserverContext<RegionCoprocessorEnvironment> c, MiniBatchOperationInProgress<Mutation> miniBatchOp) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preBatchMutate()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preBatchMutate(c, miniBatchOp);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preBatchMutate()");
+        }
+    }
+
+    @Override
+    public void postBatchMutate(ObserverContext<RegionCoprocessorEnvironment> c, MiniBatchOperationInProgress<Mutation> miniBatchOp) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postBatchMutate()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postBatchMutate(c, miniBatchOp);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postBatchMutate()");
+        }
+    }
+
+    @Override
+    public void postStartRegionOperation(ObserverContext<RegionCoprocessorEnvironment> ctx, Operation operation) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postStartRegionOperation()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postStartRegionOperation(ctx, operation);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postStartRegionOperation()");
+        }
+    }
+
+    @Override
+    public void postCloseRegionOperation(ObserverContext<RegionCoprocessorEnvironment> ctx, Operation operation) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCloseRegionOperation()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postCloseRegionOperation(ctx, operation);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCloseRegionOperation()");
+        }
+    }
+
+    @Override
+    public void postBatchMutateIndispensably(ObserverContext<RegionCoprocessorEnvironment> ctx, MiniBatchOperationInProgress<Mutation> miniBatchOp, boolean success) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postBatchMutateIndispensably()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postBatchMutateIndispensably(ctx, miniBatchOp, success);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postBatchMutateIndispensably()");
+        }
+    }
+
+    @Override
+    public boolean preCheckAndPutAfterRowLock(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, CompareOp compareOp,
+                                              ByteArrayComparable comparator, Put put, boolean result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCheckAndPutAfterRowLock()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCheckAndPutAfterRowLock(c, row, family, qualifier, compareOp, comparator, put, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCheckAndPutAfterRowLock()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public boolean postCheckAndPut(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, CompareOp compareOp,
+                                   ByteArrayComparable comparator, Put put, boolean result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCheckAndPut()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postCheckAndPut(c, row, family, qualifier, compareOp, comparator, put, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCheckAndPut()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public boolean preCheckAndDeleteAfterRowLock(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, CompareOp compareOp,
+                                                 ByteArrayComparable comparator, Delete delete, boolean result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCheckAndDeleteAfterRowLock()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preCheckAndDeleteAfterRowLock(c, row, family, qualifier, compareOp, comparator, delete, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCheckAndDeleteAfterRowLock()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public boolean postCheckAndDelete(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, CompareOp compareOp,
+                                      ByteArrayComparable comparator, Delete delete, boolean result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCheckAndDelete()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postCheckAndDelete(c, row, family, qualifier, compareOp, comparator, delete, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCheckAndDelete()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public long postIncrementColumnValue(ObserverContext<RegionCoprocessorEnvironment> c, byte[] row, byte[] family, byte[] qualifier, long amount, boolean writeToWAL, long result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postIncrementColumnValue()");
+        }
+
+        final long ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postIncrementColumnValue(c, row, family, qualifier, amount, writeToWAL, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postIncrementColumnValue()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Result preAppendAfterRowLock(ObserverContext<RegionCoprocessorEnvironment> c, Append append) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preAppendAfterRowLock()");
+        }
+
+        final Result ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preAppendAfterRowLock(c, append);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preAppendAfterRowLock()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Result postAppend(ObserverContext<RegionCoprocessorEnvironment> c, Append append, Result result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postAppend()");
+        }
+
+        final Result ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postAppend(c, append, result);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postAppend()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Result preIncrementAfterRowLock(ObserverContext<RegionCoprocessorEnvironment> c, Increment increment) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preIncrementAfterRowLock()");
+        }
+
+        final Result ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preIncrementAfterRowLock(c, increment);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preIncrementAfterRowLock()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Result postIncrement(ObserverContext<RegionCoprocessorEnvironment> c, Increment increment, Result result) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postIncrement()");
+        }
+
+        final Result ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postIncrement(c, increment, result );
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postIncrement()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public KeyValueScanner preStoreScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Store store, Scan scan, NavigableSet<byte[]> targetCols, KeyValueScanner s) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preStoreScannerOpen()");
+        }
+
+        final KeyValueScanner ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preStoreScannerOpen(c, store, scan, targetCols, s);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preStoreScannerOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public boolean postScannerNext(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, List<Result> result, int limit, boolean hasNext) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postScannerNext()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postScannerNext(c, s, result, limit, hasNext);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postScannerNext()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public boolean postScannerFilterRow(ObserverContext<RegionCoprocessorEnvironment> c, InternalScanner s, byte[] currentRow, int offset, short length, boolean hasMore) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postScannerFilterRow()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postScannerFilterRow(c, s, currentRow, offset, length, hasMore);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postScannerFilterRow()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void preWALRestore(ObserverContext<? extends RegionCoprocessorEnvironment> ctx, HRegionInfo info, WALKey logKey, WALEdit logEdit) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preWALRestore()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.preWALRestore(ctx, info, logKey, logEdit);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preWALRestore()");
+        }
+    }
+
+    @Override
+    public void postWALRestore(ObserverContext<? extends RegionCoprocessorEnvironment> ctx, HRegionInfo info, WALKey logKey, WALEdit logEdit) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postWALRestore()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implRegionObserver.postWALRestore(ctx, info, logKey, logEdit);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postWALRestore()");
+        }
+    }
+
+    @Override
+    public boolean postBulkLoadHFile(ObserverContext<RegionCoprocessorEnvironment> ctx, List<Pair<byte[], String>> familyPaths, boolean hasLoaded) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postBulkLoadHFile()");
+        }
+
+        final boolean ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postBulkLoadHFile(ctx, familyPaths, hasLoaded);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postBulkLoadHFile()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Reader preStoreFileReaderOpen(ObserverContext<RegionCoprocessorEnvironment> ctx, FileSystem fs, Path p, FSDataInputStreamWrapper in, long size,
+                                         CacheConfig cacheConf, Reference r, Reader reader) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preStoreFileReaderOpen()");
+        }
+
+        final Reader ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.preStoreFileReaderOpen(ctx, fs, p, in, size, cacheConf, r, reader);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preStoreFileReaderOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Reader postStoreFileReaderOpen(ObserverContext<RegionCoprocessorEnvironment> ctx, FileSystem fs, Path p, FSDataInputStreamWrapper in, long size,
+                                          CacheConfig cacheConf, Reference r, Reader reader) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postStoreFileReaderOpen()");
+        }
+
+        final Reader ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postStoreFileReaderOpen(ctx, fs, p, in, size, cacheConf, r, reader);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postStoreFileReaderOpen()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public Cell postMutationBeforeWAL(ObserverContext<RegionCoprocessorEnvironment> ctx, MutationType opType, Mutation mutation, Cell oldCell, Cell newCell) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postMutationBeforeWAL()");
+        }
+
+        final Cell ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postMutationBeforeWAL(ctx, opType, mutation, oldCell, newCell);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postMutationBeforeWAL()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public DeleteTracker postInstantiateDeleteTracker(ObserverContext<RegionCoprocessorEnvironment> ctx, DeleteTracker delTracker) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postInstantiateDeleteTracker()");
+        }
+
+        final DeleteTracker ret;
+
+        try {
+            activatePluginClassLoader();
+            ret = implRegionObserver.postInstantiateDeleteTracker(ctx, delTracker);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postInstantiateDeleteTracker()");
+        }
+
+        return ret;
+    }
+
+    @Override
+    public void postCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCreateTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postCreateTable(ctx, desc, regions);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCreateTable()");
+        }
+    }
+
+    @Override
+    public void preCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preCreateTableHandler()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preCreateTableHandler(ctx, desc, regions);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preCreateTableHandler()");
+        }
+    }
+
+    @Override
+    public void postCreateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, HTableDescriptor desc, HRegionInfo[] regions) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postCreateTableHandler()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postCreateTableHandler(ctx, desc, regions);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postCreateTableHandler()");
+        }
+    }
+
+    @Override
+    public void postDeleteTable(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postDeleteTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postDeleteTable(ctx, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postDeleteTable()");
+        }
+    }
+
+    @Override
+    public void preDeleteTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preDeleteTableHandler()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preDeleteTableHandler(ctx, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preDeleteTableHandler()");
+        }
+    }
+
+    @Override
+    public void postDeleteTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postDeleteTableHandler()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postDeleteTableHandler(ctx, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postDeleteTableHandler()");
+        }
+    }
+
+    @Override
+    public void preTruncateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preTruncateTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preTruncateTable(ctx, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.preTruncateTable()");
+        }
+    }
+
+    @Override
+    public void postTruncateTable(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.postTruncateTable()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.postTruncateTable(ctx, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== HBaseAtlasCoprocessor.postTruncateTable()");
+        }
+    }
+
+    @Override
+    public void preTruncateTableHandler(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) throws IOException {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> HBaseAtlasCoprocessor.preTruncateTableHandler()");
+        }
+
+        try {
+            activatePluginClassLoader();
+            implMasterObserver.preTruncateTableHandler(ctx, tableName);
+        } finally {
+            deactivatePluginClassLoader();
+        }
+
+        if(LOG.isDebugEnabled())

<TRUNCATED>