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Posted to commits@accumulo.apache.org by ec...@apache.org on 2013/12/12 17:25:33 UTC
[11/16] git commit: Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT
Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT
Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo
Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/7eb838e3
Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/7eb838e3
Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/7eb838e3
Branch: refs/heads/1.6.0-SNAPSHOT
Commit: 7eb838e3cc6c2d0bb5491d101cbb2c0bd67e653e
Parents: 994e43c 0d0bc46
Author: Eric Newton <er...@gmail.com>
Authored: Thu Dec 12 11:24:14 2013 -0500
Committer: Eric Newton <er...@gmail.com>
Committed: Thu Dec 12 11:24:14 2013 -0500
----------------------------------------------------------------------
.../org/apache/accumulo/core/client/Instance.java | 7 ++++---
.../accumulo/core/client/ZooKeeperInstance.java | 6 +++---
.../accumulo/core/client/mock/MockInstance.java | 2 +-
.../core/client/impl/TabletLocatorImplTest.java | 2 +-
.../org/apache/accumulo/fate/zookeeper/ZooCache.java | 6 ++++--
.../apache/accumulo/fate/zookeeper/ZooReader.java | 15 ++++++++++++---
.../accumulo/server/client/HdfsZooInstance.java | 8 ++------
7 files changed, 27 insertions(+), 19 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/accumulo/blob/7eb838e3/core/src/main/java/org/apache/accumulo/core/client/Instance.java
----------------------------------------------------------------------
diff --cc core/src/main/java/org/apache/accumulo/core/client/Instance.java
index 612301e,0000000..6449765
mode 100644,000000..100644
--- a/core/src/main/java/org/apache/accumulo/core/client/Instance.java
+++ b/core/src/main/java/org/apache/accumulo/core/client/Instance.java
@@@ -1,173 -1,0 +1,174 @@@
+/*
+ * 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.accumulo.core.client;
+
++import java.io.Closeable;
+import java.nio.ByteBuffer;
+import java.util.List;
+
+import org.apache.accumulo.core.client.security.tokens.AuthenticationToken;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.conf.AccumuloConfiguration;
+
+/**
+ * This class represents the information a client needs to know to connect to an instance of accumulo.
+ *
+ */
- public interface Instance {
++public interface Instance extends Closeable {
+ /**
+ * Returns the location of the tablet server that is serving the root tablet.
+ *
+ * @return location in "hostname:port" form
+ */
+ public abstract String getRootTabletLocation();
+
+ /**
+ * Returns the location(s) of the accumulo master and any redundant servers.
+ *
+ * @return a list of locations in "hostname:port" form
+ */
+ public abstract List<String> getMasterLocations();
+
+ /**
+ * Returns a unique string that identifies this instance of accumulo.
+ *
+ * @return a UUID
+ */
+ public abstract String getInstanceID();
+
+ /**
+ * Returns the instance name given at system initialization time.
+ *
+ * @return current instance name
+ */
+ public abstract String getInstanceName();
+
+ /**
+ * Returns a comma-separated list of zookeeper servers the instance is using.
+ *
+ * @return the zookeeper servers this instance is using in "hostname:port" form
+ */
+ public abstract String getZooKeepers();
+
+ /**
+ * Returns the zookeeper connection timeout.
+ *
+ * @return the configured timeout to connect to zookeeper
+ */
+ public abstract int getZooKeepersSessionTimeOut();
+
+ /**
+ * Returns a connection to accumulo.
+ *
+ * @param user
+ * a valid accumulo user
+ * @param pass
+ * A UTF-8 encoded password. The password may be cleared after making this call.
+ * @return the accumulo Connector
+ * @throws AccumuloException
+ * when a generic exception occurs
+ * @throws AccumuloSecurityException
+ * when a user's credentials are invalid
+ * @deprecated since 1.5, use {@link #getConnector(String, AuthenticationToken)} with {@link PasswordToken}
+ */
+ @Deprecated
+ public abstract Connector getConnector(String user, byte[] pass) throws AccumuloException, AccumuloSecurityException;
+
+ /**
+ * Returns a connection to accumulo.
+ *
+ * @param auth
+ * An Credentials object.
+ * @return the accumulo Connector
+ * @throws AccumuloException
+ * when a generic exception occurs
+ * @throws AccumuloSecurityException
+ * when a user's credentials are invalid
+ * @deprecated since 1.5, use {@link #getConnector(String, AuthenticationToken)} with {@link PasswordToken}
+ */
+ @Deprecated
+ public abstract Connector getConnector(org.apache.accumulo.core.security.thrift.AuthInfo auth) throws AccumuloException, AccumuloSecurityException;
+
+ /**
+ * Returns a connection to accumulo.
+ *
+ * @param user
+ * a valid accumulo user
+ * @param pass
+ * A UTF-8 encoded password. The password may be cleared after making this call.
+ * @return the accumulo Connector
+ * @throws AccumuloException
+ * when a generic exception occurs
+ * @throws AccumuloSecurityException
+ * when a user's credentials are invalid
+ * @deprecated since 1.5, use {@link #getConnector(String, AuthenticationToken)} with {@link PasswordToken}
+ */
+ @Deprecated
+ public abstract Connector getConnector(String user, ByteBuffer pass) throws AccumuloException, AccumuloSecurityException;
+
+ /**
+ * Returns a connection to this instance of accumulo.
+ *
+ * @param user
+ * a valid accumulo user
+ * @param pass
+ * If a mutable CharSequence is passed in, it may be cleared after this call.
+ * @return the accumulo Connector
+ * @throws AccumuloException
+ * when a generic exception occurs
+ * @throws AccumuloSecurityException
+ * when a user's credentials are invalid
+ * @deprecated since 1.5, use {@link #getConnector(String, AuthenticationToken)} with {@link PasswordToken}
+ */
+ @Deprecated
+ public abstract Connector getConnector(String user, CharSequence pass) throws AccumuloException, AccumuloSecurityException;
+
+ /**
+ * Closes up the instance to free up all associated resources. You should try to reuse an Instance as much as you can because there is some location caching
+ * stored which will enhance performance.
- * @throws AccumuloException
+ */
- public abstract void close() throws AccumuloException;
++ @Override
++ public abstract void close();
+
+ /**
+ * Returns the AccumuloConfiguration to use when interacting with this instance.
+ *
+ * @return the AccumuloConfiguration that specifies properties related to interacting with this instance
+ */
+ public abstract AccumuloConfiguration getConfiguration();
+
+ /**
+ * Set the AccumuloConfiguration to use when interacting with this instance.
+ *
+ * @param conf
+ * accumulo configuration
+ */
+ public abstract void setConfiguration(AccumuloConfiguration conf);
+
+ /**
+ * Returns a connection to this instance of accumulo.
+ *
+ * @param principal
+ * a valid accumulo user
+ * @param token
+ * Use the token type configured for the Accumulo instance you are connecting to. An Accumulo instance with default configurations will use
+ * {@link PasswordToken}
+ * @since 1.5.0
+ */
+ public abstract Connector getConnector(String principal, AuthenticationToken token) throws AccumuloException, AccumuloSecurityException;
+
+}
http://git-wip-us.apache.org/repos/asf/accumulo/blob/7eb838e3/core/src/main/java/org/apache/accumulo/core/client/ZooKeeperInstance.java
----------------------------------------------------------------------
diff --cc core/src/main/java/org/apache/accumulo/core/client/ZooKeeperInstance.java
index c260947,0000000..6e1b660
mode 100644,000000..100644
--- a/core/src/main/java/org/apache/accumulo/core/client/ZooKeeperInstance.java
+++ b/core/src/main/java/org/apache/accumulo/core/client/ZooKeeperInstance.java
@@@ -1,352 -1,0 +1,352 @@@
+/*
+ * 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.accumulo.core.client;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.accumulo.core.Constants;
+import org.apache.accumulo.core.client.impl.ConnectorImpl;
+import org.apache.accumulo.core.client.security.tokens.AuthenticationToken;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.conf.AccumuloConfiguration;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.file.FileUtil;
+import org.apache.accumulo.core.security.CredentialHelper;
+import org.apache.accumulo.core.security.thrift.TCredentials;
+import org.apache.accumulo.core.util.ArgumentChecker;
+import org.apache.accumulo.core.util.ByteBufferUtil;
+import org.apache.accumulo.core.util.CachedConfiguration;
+import org.apache.accumulo.core.util.OpTimer;
+import org.apache.accumulo.core.util.TextUtil;
+import org.apache.accumulo.core.util.ThriftUtil;
+import org.apache.accumulo.core.zookeeper.ZooUtil;
+import org.apache.accumulo.fate.zookeeper.ZooCache;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.Text;
+import org.apache.log4j.Level;
+import org.apache.log4j.Logger;
+
+/**
+ * <p>
+ * An implementation of instance that looks in zookeeper to find information needed to connect to an instance of accumulo.
+ *
+ * <p>
+ * The advantage of using zookeeper to obtain information about accumulo is that zookeeper is highly available, very responsive, and supports caching.
+ *
+ * <p>
+ * Because it is possible for multiple instances of accumulo to share a single set of zookeeper servers, all constructors require an accumulo instance name.
+ *
+ * If you do not know the instance names then run accumulo org.apache.accumulo.server.util.ListInstances on an accumulo server.
+ *
+ */
+
+public class ZooKeeperInstance implements Instance {
+
+ private static final Logger log = Logger.getLogger(ZooKeeperInstance.class);
+
+ private String instanceId = null;
+ private String instanceName = null;
+
+ private final ZooCache zooCache;
+
+ private final String zooKeepers;
+
+ private final int zooKeepersSessionTimeOut;
+
+ private volatile boolean closed = false;
+
+ /**
+ *
+ * @param instanceName
+ * The name of specific accumulo instance. This is set at initialization time.
+ * @param zooKeepers
+ * A comma separated list of zoo keeper server locations. Each location can contain an optional port, of the format host:port.
+ */
+
+ public ZooKeeperInstance(String instanceName, String zooKeepers) {
+ this(instanceName, zooKeepers, (int) AccumuloConfiguration.getDefaultConfiguration().getTimeInMillis(Property.INSTANCE_ZK_TIMEOUT));
+ }
+
+ /**
+ *
+ * @param instanceName
+ * The name of specific accumulo instance. This is set at initialization time.
+ * @param zooKeepers
+ * A comma separated list of zoo keeper server locations. Each location can contain an optional port, of the format host:port.
+ * @param sessionTimeout
+ * zoo keeper session time out in milliseconds.
+ */
+
+ public ZooKeeperInstance(String instanceName, String zooKeepers, int sessionTimeout) {
+ ArgumentChecker.notNull(instanceName, zooKeepers);
+ this.instanceName = instanceName;
+ this.zooKeepers = zooKeepers;
+ this.zooKeepersSessionTimeOut = sessionTimeout;
+ zooCache = ZooCache.getInstance(zooKeepers, sessionTimeout);
+ getInstanceID();
+ clientInstances.incrementAndGet();
+ }
+
+ /**
+ *
+ * @param instanceId
+ * The UUID that identifies the accumulo instance you want to connect to.
+ * @param zooKeepers
+ * A comma separated list of zoo keeper server locations. Each location can contain an optional port, of the format host:port.
+ */
+
+ public ZooKeeperInstance(UUID instanceId, String zooKeepers) {
+ this(instanceId, zooKeepers, (int) AccumuloConfiguration.getDefaultConfiguration().getTimeInMillis(Property.INSTANCE_ZK_TIMEOUT));
+ }
+
+ /**
+ *
+ * @param instanceId
+ * The UUID that identifies the accumulo instance you want to connect to.
+ * @param zooKeepers
+ * A comma separated list of zoo keeper server locations. Each location can contain an optional port, of the format host:port.
+ * @param sessionTimeout
+ * zoo keeper session time out in milliseconds.
+ */
+
+ public ZooKeeperInstance(UUID instanceId, String zooKeepers, int sessionTimeout) {
+ ArgumentChecker.notNull(instanceId, zooKeepers);
+ this.instanceId = instanceId.toString();
+ this.zooKeepers = zooKeepers;
+ this.zooKeepersSessionTimeOut = sessionTimeout;
+ zooCache = ZooCache.getInstance(zooKeepers, sessionTimeout);
+ clientInstances.incrementAndGet();
+ }
+
+ @Override
+ public String getInstanceID() {
+ if (closed)
+ throw new RuntimeException("ZooKeeperInstance has been closed.");
+ if (instanceId == null) {
+ // want the instance id to be stable for the life of this instance object,
+ // so only get it once
+ String instanceNamePath = Constants.ZROOT + Constants.ZINSTANCES + "/" + instanceName;
+ byte[] iidb = zooCache.get(instanceNamePath);
+ if (iidb == null) {
+ throw new RuntimeException("Instance name " + instanceName
+ + " does not exist in zookeeper. Run \"accumulo org.apache.accumulo.server.util.ListInstances\" to see a list.");
+ }
+ instanceId = new String(iidb);
+ }
+
+ if (zooCache.get(Constants.ZROOT + "/" + instanceId) == null) {
+ if (instanceName == null)
+ throw new RuntimeException("Instance id " + instanceId + " does not exist in zookeeper");
+ throw new RuntimeException("Instance id " + instanceId + " pointed to by the name " + instanceName + " does not exist in zookeeper");
+ }
+
+ return instanceId;
+ }
+
+ @Override
+ public List<String> getMasterLocations() {
+ if (closed)
+ throw new RuntimeException("ZooKeeperInstance has been closed.");
+ String masterLocPath = ZooUtil.getRoot(this) + Constants.ZMASTER_LOCK;
+
+ OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up master location in zoocache.");
+ byte[] loc = ZooUtil.getLockData(zooCache, masterLocPath);
+ opTimer.stop("Found master at " + (loc == null ? null : new String(loc)) + " in %DURATION%");
+
+ if (loc == null) {
+ return Collections.emptyList();
+ }
+
+ return Collections.singletonList(new String(loc));
+ }
+
+ @Override
+ public String getRootTabletLocation() {
+ if (closed)
+ throw new RuntimeException("ZooKeeperInstance has been closed.");
+ String zRootLocPath = ZooUtil.getRoot(this) + Constants.ZROOT_TABLET_LOCATION;
+
+ OpTimer opTimer = new OpTimer(log, Level.TRACE).start("Looking up root tablet location in zookeeper.");
+ byte[] loc = zooCache.get(zRootLocPath);
+ opTimer.stop("Found root tablet at " + (loc == null ? null : new String(loc)) + " in %DURATION%");
+
+ if (loc == null) {
+ return null;
+ }
+
+ return new String(loc).split("\\|")[0];
+ }
+
+ @Override
+ public String getInstanceName() {
+ if (closed)
+ throw new RuntimeException("ZooKeeperInstance has been closed.");
+ if (instanceName == null)
+ instanceName = lookupInstanceName(zooCache, UUID.fromString(getInstanceID()));
+
+ return instanceName;
+ }
+
+ @Override
+ public String getZooKeepers() {
+ return zooKeepers;
+ }
+
+ @Override
+ public int getZooKeepersSessionTimeOut() {
+ return zooKeepersSessionTimeOut;
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, CharSequence pass) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(user, TextUtil.getBytes(new Text(pass.toString())));
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, ByteBuffer pass) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(user, ByteBufferUtil.toBytes(pass));
+ }
+
+ @Override
+ public Connector getConnector(String principal, AuthenticationToken token) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(CredentialHelper.create(principal, token, getInstanceID()));
+ }
+
+ @SuppressWarnings("deprecation")
+ private Connector getConnector(TCredentials credential) throws AccumuloException, AccumuloSecurityException {
+ return new ConnectorImpl(this, credential);
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String principal, byte[] pass) throws AccumuloException, AccumuloSecurityException {
+ if (closed) {
+ throw new RuntimeException("ZooKeeperInstance has been closed.");
+ } else {
+ return getConnector(principal, new PasswordToken(pass));
+ }
+ }
+
+ private AccumuloConfiguration conf = null;
+
+ @Override
+ public AccumuloConfiguration getConfiguration() {
+ if (conf == null)
+ conf = AccumuloConfiguration.getDefaultConfiguration();
+ return conf;
+ }
+
+ @Override
+ public void setConfiguration(AccumuloConfiguration conf) {
+ this.conf = conf;
+ }
+
+ /**
+ * @deprecated Use {@link #lookupInstanceName(org.apache.accumulo.fate.zookeeper.ZooCache, UUID)} instead
+ */
+ @Deprecated
+ public static String lookupInstanceName(org.apache.accumulo.core.zookeeper.ZooCache zooCache, UUID instanceId) {
+ return lookupInstanceName((ZooCache) zooCache, instanceId);
+ }
+
+ /**
+ * Given a zooCache and instanceId, look up the instance name.
+ *
+ * @param zooCache
+ * @param instanceId
+ * @return the instance name
+ */
+ public static String lookupInstanceName(ZooCache zooCache, UUID instanceId) {
+ ArgumentChecker.notNull(zooCache, instanceId);
+ for (String name : zooCache.getChildren(Constants.ZROOT + Constants.ZINSTANCES)) {
+ String instanceNamePath = Constants.ZROOT + Constants.ZINSTANCES + "/" + name;
+ UUID iid = UUID.fromString(new String(zooCache.get(instanceNamePath)));
+ if (iid.equals(instanceId)) {
+ return name;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * To be moved to server code. Only lives here to support certain client side utilities to minimize command-line options.
+ */
+ @Deprecated
+ public static String getInstanceIDFromHdfs(Path instanceDirectory) {
+ try {
+ FileSystem fs = FileUtil.getFileSystem(CachedConfiguration.getInstance(), AccumuloConfiguration.getSiteConfiguration());
+ FileStatus[] files = null;
+ try {
+ files = fs.listStatus(instanceDirectory);
+ } catch (FileNotFoundException ex) {
+ // ignored
+ }
+ log.debug("Trying to read instance id from " + instanceDirectory);
+ if (files == null || files.length == 0) {
+ log.error("unable obtain instance id at " + instanceDirectory);
+ throw new RuntimeException("Accumulo not initialized, there is no instance id at " + instanceDirectory);
+ } else if (files.length != 1) {
+ log.error("multiple potential instances in " + instanceDirectory);
+ throw new RuntimeException("Accumulo found multiple possible instance ids in " + instanceDirectory);
+ } else {
+ String result = files[0].getPath().getName();
+ return result;
+ }
+ } catch (IOException e) {
+ throw new RuntimeException("Accumulo not initialized, there is no instance id at " + instanceDirectory, e);
+ }
+ }
+
+ @Deprecated
+ @Override
+ public Connector getConnector(org.apache.accumulo.core.security.thrift.AuthInfo auth) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(auth.user, auth.password);
+ }
+
+ static private final AtomicInteger clientInstances = new AtomicInteger(0);
+
+ @Override
- public synchronized void close() throws AccumuloException {
++ public synchronized void close() {
+ if (!closed && clientInstances.decrementAndGet() == 0) {
+ try {
+ zooCache.close();
+ ThriftUtil.close();
- } catch (InterruptedException e) {
++ } catch (RuntimeException e) {
+ clientInstances.incrementAndGet();
- throw new AccumuloException("Issues closing ZooKeeper.");
++ throw e;
+ }
+ }
+ closed = true;
+ }
+
+ @Override
+ public void finalize() {
+ // This method intentionally left blank. Users need to explicitly close Instances if they want things cleaned up nicely.
+ if (!closed)
+ log.warn("ZooKeeperInstance being cleaned up without being closed. Please remember to call close() before dereferencing to clean up threads.");
+ }
+}
http://git-wip-us.apache.org/repos/asf/accumulo/blob/7eb838e3/core/src/main/java/org/apache/accumulo/core/client/mock/MockInstance.java
----------------------------------------------------------------------
diff --cc core/src/main/java/org/apache/accumulo/core/client/mock/MockInstance.java
index 55213ef,0000000..d49c349
mode 100644,000000..100644
--- a/core/src/main/java/org/apache/accumulo/core/client/mock/MockInstance.java
+++ b/core/src/main/java/org/apache/accumulo/core/client/mock/MockInstance.java
@@@ -1,171 -1,0 +1,171 @@@
+/*
+ * 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.accumulo.core.client.mock;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.accumulo.core.client.AccumuloException;
+import org.apache.accumulo.core.client.AccumuloSecurityException;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Instance;
+import org.apache.accumulo.core.client.impl.thrift.SecurityErrorCode;
+import org.apache.accumulo.core.client.security.tokens.AuthenticationToken;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.conf.AccumuloConfiguration;
+import org.apache.accumulo.core.util.ByteBufferUtil;
+import org.apache.accumulo.core.util.CachedConfiguration;
+import org.apache.accumulo.core.util.TextUtil;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.io.Text;
+
+/**
+ * Mock Accumulo provides an in memory implementation of the Accumulo client API. It is possible that the behavior of this implementation may differ subtly from
+ * the behavior of Accumulo. This could result in unit tests that pass on Mock Accumulo and fail on Accumulo or visa-versa. Documenting the differences would be
+ * difficult and is not done.
+ *
+ * <p>
+ * An alternative to Mock Accumulo called MiniAccumuloCluster was introduced in Accumulo 1.5. MiniAccumuloCluster spins up actual Accumulo server processes, can
+ * be used for unit testing, and its behavior should match Accumulo. The drawback of MiniAccumuloCluster is that it starts more slowly than Mock Accumulo.
+ *
+ */
+
+public class MockInstance implements Instance {
+
+ static final String genericAddress = "localhost:1234";
+ static final Map<String,MockAccumulo> instances = new HashMap<String,MockAccumulo>();
+ MockAccumulo acu;
+ String instanceName;
+
+ public MockInstance() {
+ acu = new MockAccumulo(getDefaultFileSystem());
+ instanceName = "mock-instance";
+ }
+
+ static FileSystem getDefaultFileSystem() {
+ try {
+ Configuration conf = CachedConfiguration.getInstance();
+ conf.set("fs.file.impl", "org.apache.hadoop.fs.LocalFileSystem");
+ conf.set("fs.default.name", "file:///");
+ return FileSystem.get(CachedConfiguration.getInstance());
+ } catch (IOException ex) {
+ throw new RuntimeException(ex);
+ }
+ }
+
+ public MockInstance(String instanceName) {
+ this(instanceName, getDefaultFileSystem());
+ }
+
+ public MockInstance(String instanceName, FileSystem fs) {
+ synchronized (instances) {
+ if (instances.containsKey(instanceName))
+ acu = instances.get(instanceName);
+ else
+ instances.put(instanceName, acu = new MockAccumulo(fs));
+ }
+ this.instanceName = instanceName;
+ }
+
+ @Override
+ public String getRootTabletLocation() {
+ return genericAddress;
+ }
+
+ @Override
+ public List<String> getMasterLocations() {
+ return Collections.singletonList(genericAddress);
+ }
+
+ @Override
+ public String getInstanceID() {
+ return "mock-instance-id";
+ }
+
+ @Override
+ public String getInstanceName() {
+ return instanceName;
+ }
+
+ @Override
+ public String getZooKeepers() {
+ return "localhost";
+ }
+
+ @Override
+ public int getZooKeepersSessionTimeOut() {
+ return 30 * 1000;
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, byte[] pass) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(user, new PasswordToken(pass));
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, ByteBuffer pass) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(user, ByteBufferUtil.toBytes(pass));
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, CharSequence pass) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(user, TextUtil.getBytes(new Text(pass.toString())));
+ }
+
+ AccumuloConfiguration conf = null;
+
+ @Override
+ public AccumuloConfiguration getConfiguration() {
+ if (conf == null)
+ conf = AccumuloConfiguration.getDefaultConfiguration();
+ return conf;
+ }
+
+ @Override
+ public void setConfiguration(AccumuloConfiguration conf) {
+ this.conf = conf;
+ }
+
+ @Deprecated
+ @Override
+ public Connector getConnector(org.apache.accumulo.core.security.thrift.AuthInfo auth) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(auth.user, auth.password);
+ }
+
+ @Override
+ public Connector getConnector(String principal, AuthenticationToken token) throws AccumuloException, AccumuloSecurityException {
+ Connector conn = new MockConnector(principal, acu, this);
+ if (!acu.users.containsKey(principal))
+ conn.securityOperations().createLocalUser(principal, (PasswordToken) token);
+ else if (!acu.users.get(principal).token.equals(token))
+ throw new AccumuloSecurityException(principal, SecurityErrorCode.BAD_CREDENTIALS);
+ return conn;
+ }
+
+ @Override
- public void close() throws AccumuloException {
++ public void close() {
+ // NOOP
+ }
+}
http://git-wip-us.apache.org/repos/asf/accumulo/blob/7eb838e3/core/src/test/java/org/apache/accumulo/core/client/impl/TabletLocatorImplTest.java
----------------------------------------------------------------------
diff --cc core/src/test/java/org/apache/accumulo/core/client/impl/TabletLocatorImplTest.java
index a42c280,0000000..c7fc707
mode 100644,000000..100644
--- a/core/src/test/java/org/apache/accumulo/core/client/impl/TabletLocatorImplTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/client/impl/TabletLocatorImplTest.java
@@@ -1,1285 -1,0 +1,1285 @@@
+/*
+ * 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.accumulo.core.client.impl;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.SortedMap;
+import java.util.TreeMap;
+
+import junit.framework.TestCase;
+
+import org.apache.accumulo.core.Constants;
+import org.apache.accumulo.core.client.AccumuloException;
+import org.apache.accumulo.core.client.AccumuloSecurityException;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Instance;
+import org.apache.accumulo.core.client.impl.TabletLocator.TabletLocation;
+import org.apache.accumulo.core.client.impl.TabletLocator.TabletLocations;
+import org.apache.accumulo.core.client.impl.TabletLocator.TabletServerMutations;
+import org.apache.accumulo.core.client.impl.TabletLocatorImpl.TabletLocationObtainer;
+import org.apache.accumulo.core.client.security.tokens.AuthenticationToken;
+import org.apache.accumulo.core.conf.AccumuloConfiguration;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.KeyExtent;
+import org.apache.accumulo.core.data.Mutation;
+import org.apache.accumulo.core.data.PartialKey;
+import org.apache.accumulo.core.data.Range;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.security.thrift.TCredentials;
+import org.apache.accumulo.core.util.MetadataTable;
+import org.apache.accumulo.core.util.Pair;
+import org.apache.hadoop.io.Text;
+
+public class TabletLocatorImplTest extends TestCase {
+
+ private static final KeyExtent RTE = Constants.ROOT_TABLET_EXTENT;
+ private static final KeyExtent MTE = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), null, RTE.getEndRow());
+ private static TCredentials credential = null;
+
+ static KeyExtent nke(String t, String er, String per) {
+ return new KeyExtent(new Text(t), er == null ? null : new Text(er), per == null ? null : new Text(per));
+ }
+
+ static Range nr(String k1, boolean si, String k2, boolean ei) {
+ return new Range(k1 == null ? null : new Text(k1), si, k2 == null ? null : new Text(k2), ei);
+ }
+
+ static Range nr(String k1, String k2) {
+ return new Range(k1 == null ? null : new Text(k1), k2 == null ? null : new Text(k2));
+ }
+
+ static List<Range> nrl(Range... ranges) {
+ return Arrays.asList(ranges);
+ }
+
+ static Object[] nol(Object... objs) {
+ return objs;
+ }
+
+ @SuppressWarnings("unchecked")
+ static Map<String,Map<KeyExtent,List<Range>>> createExpectedBinnings(Object... data) {
+
+ Map<String,Map<KeyExtent,List<Range>>> expBinnedRanges = new HashMap<String,Map<KeyExtent,List<Range>>>();
+
+ for (int i = 0; i < data.length; i += 2) {
+ String loc = (String) data[i];
+ Object binData[] = (Object[]) data[i + 1];
+
+ HashMap<KeyExtent,List<Range>> binnedKE = new HashMap<KeyExtent,List<Range>>();
+
+ expBinnedRanges.put(loc, binnedKE);
+
+ for (int j = 0; j < binData.length; j += 2) {
+ KeyExtent ke = (KeyExtent) binData[j];
+ List<Range> ranges = (List<Range>) binData[j + 1];
+
+ binnedKE.put(ke, ranges);
+ }
+ }
+
+ return expBinnedRanges;
+ }
+
+ static TreeMap<KeyExtent,TabletLocation> createMetaCacheKE(Object... data) {
+ TreeMap<KeyExtent,TabletLocation> mcke = new TreeMap<KeyExtent,TabletLocation>();
+
+ for (int i = 0; i < data.length; i += 2) {
+ KeyExtent ke = (KeyExtent) data[i];
+ String loc = (String) data[i + 1];
+ mcke.put(ke, new TabletLocation(ke, loc));
+ }
+
+ return mcke;
+ }
+
+ static TreeMap<Text,TabletLocation> createMetaCache(Object... data) {
+ TreeMap<KeyExtent,TabletLocation> mcke = createMetaCacheKE(data);
+
+ TreeMap<Text,TabletLocation> mc = new TreeMap<Text,TabletLocation>(TabletLocatorImpl.endRowComparator);
+
+ for (Entry<KeyExtent,TabletLocation> entry : mcke.entrySet()) {
+ if (entry.getKey().getEndRow() == null)
+ mc.put(TabletLocatorImpl.MAX_TEXT, entry.getValue());
+ else
+ mc.put(entry.getKey().getEndRow(), entry.getValue());
+ }
+
+ return mc;
+ }
+
+ static TabletLocatorImpl createLocators(TServers tservers, String rootTabLoc, String metaTabLoc, String table, Object... data) {
+
+ TreeMap<KeyExtent,TabletLocation> mcke = createMetaCacheKE(data);
+
+ TestTabletLocationObtainer ttlo = new TestTabletLocationObtainer(tservers);
+ TestInstance testInstance = new TestInstance("instance1", "tserver1");
+
+ RootTabletLocator rtl = new RootTabletLocator(testInstance);
+ TabletLocatorImpl rootTabletCache = new TabletLocatorImpl(new Text(Constants.METADATA_TABLE_ID), rtl, ttlo);
+ TabletLocatorImpl tab1TabletCache = new TabletLocatorImpl(new Text(table), rootTabletCache, ttlo);
+
+ setLocation(tservers, rootTabLoc, RTE, MTE, metaTabLoc);
+
+ for (Entry<KeyExtent,TabletLocation> entry : mcke.entrySet()) {
+ setLocation(tservers, metaTabLoc, MTE, entry.getKey(), entry.getValue().tablet_location);
+ }
+
+ return tab1TabletCache;
+
+ }
+
+ static TabletLocatorImpl createLocators(String table, Object... data) {
+ TServers tservers = new TServers();
+ return createLocators(tservers, "tserver1", "tserver2", table, data);
+ }
+
+ private void runTest(Text tableName, List<Range> ranges, TabletLocatorImpl tab1TabletCache, Map<String,Map<KeyExtent,List<Range>>> expected) throws Exception {
+ List<Range> failures = Collections.emptyList();
+ runTest(tableName, ranges, tab1TabletCache, expected, failures);
+ }
+
+ private void runTest(Text tableName, List<Range> ranges, TabletLocatorImpl tab1TabletCache, Map<String,Map<KeyExtent,List<Range>>> expected,
+ List<Range> efailures) throws Exception {
+
+ Map<String,Map<KeyExtent,List<Range>>> binnedRanges = new HashMap<String,Map<KeyExtent,List<Range>>>();
+ List<Range> f = tab1TabletCache.binRanges(ranges, binnedRanges, credential);
+ assertEquals(expected, binnedRanges);
+
+ HashSet<Range> f1 = new HashSet<Range>(f);
+ HashSet<Range> f2 = new HashSet<Range>(efailures);
+
+ assertEquals(f2, f1);
+ }
+
+ static Set<KeyExtent> nkes(KeyExtent... extents) {
+ HashSet<KeyExtent> kes = new HashSet<KeyExtent>();
+
+ for (KeyExtent keyExtent : extents) {
+ kes.add(keyExtent);
+ }
+
+ return kes;
+ }
+
+ static void runTest(TreeMap<Text,TabletLocation> mc, KeyExtent remove, Set<KeyExtent> expected) {
+ // copy so same metaCache can be used for multiple test
+
+ mc = new TreeMap<Text,TabletLocation>(mc);
+
+ TabletLocatorImpl.removeOverlapping(mc, remove);
+
+ HashSet<KeyExtent> eic = new HashSet<KeyExtent>();
+ for (TabletLocation tl : mc.values()) {
+ eic.add(tl.tablet_extent);
+ }
+
+ assertEquals(expected, eic);
+ }
+
+ static Mutation nm(String row, String... data) {
+ Mutation mut = new Mutation(new Text(row));
+
+ for (int i = 0; i < data.length; i++) {
+ String[] cvp = data[i].split("=");
+ String[] cols = cvp[0].split(":");
+
+ mut.put(new Text(cols[0]), new Text(cols[1]), new Value(cvp[1].getBytes()));
+ }
+
+ return mut;
+ }
+
+ static List<Mutation> nml(Mutation... ma) {
+ return Arrays.asList(ma);
+ }
+
+ private void runTest(TabletLocatorImpl metaCache, List<Mutation> ml, Map<String,Map<KeyExtent,List<String>>> emb, String... efailures) throws Exception {
+ Map<String,TabletServerMutations> binnedMutations = new HashMap<String,TabletServerMutations>();
+ List<Mutation> afailures = new ArrayList<Mutation>();
+ metaCache.binMutations(ml, binnedMutations, afailures, credential);
+
+ verify(emb, binnedMutations);
+
+ ArrayList<String> afs = new ArrayList<String>();
+ ArrayList<String> efs = new ArrayList<String>(Arrays.asList(efailures));
+
+ for (Mutation mutation : afailures) {
+ afs.add(new String(mutation.getRow()));
+ }
+
+ Collections.sort(afs);
+ Collections.sort(efs);
+
+ assertEquals(efs, afs);
+
+ }
+
+ private void verify(Map<String,Map<KeyExtent,List<String>>> expected, Map<String,TabletServerMutations> actual) {
+ assertEquals(expected.keySet(), actual.keySet());
+
+ for (String server : actual.keySet()) {
+ TabletServerMutations atb = actual.get(server);
+ Map<KeyExtent,List<String>> etb = expected.get(server);
+
+ assertEquals(etb.keySet(), atb.getMutations().keySet());
+
+ for (KeyExtent ke : etb.keySet()) {
+ ArrayList<String> eRows = new ArrayList<String>(etb.get(ke));
+ ArrayList<String> aRows = new ArrayList<String>();
+
+ for (Mutation m : atb.getMutations().get(ke)) {
+ aRows.add(new String(m.getRow()));
+ }
+
+ Collections.sort(eRows);
+ Collections.sort(aRows);
+
+ assertEquals(eRows, aRows);
+ }
+ }
+
+ }
+
+ static Map<String,Map<KeyExtent,List<String>>> cemb(Object[]... ols) {
+
+ Map<String,Map<KeyExtent,List<String>>> emb = new HashMap<String,Map<KeyExtent,List<String>>>();
+
+ for (Object[] ol : ols) {
+ String row = (String) ol[0];
+ String server = (String) ol[1];
+ KeyExtent ke = (KeyExtent) ol[2];
+
+ Map<KeyExtent,List<String>> tb = emb.get(server);
+ if (tb == null) {
+ tb = new HashMap<KeyExtent,List<String>>();
+ emb.put(server, tb);
+ }
+
+ List<String> rl = tb.get(ke);
+ if (rl == null) {
+ rl = new ArrayList<String>();
+ tb.put(ke, rl);
+ }
+
+ rl.add(row);
+ }
+
+ return emb;
+ }
+
+ public void testRemoveOverlapping1() {
+ TreeMap<Text,TabletLocation> mc = createMetaCache(nke("0", null, null), "l1");
+
+ runTest(mc, nke("0", "a", null), nkes());
+ runTest(mc, nke("0", null, null), nkes());
+ runTest(mc, nke("0", null, "a"), nkes());
+
+ mc = createMetaCache(nke("0", "g", null), "l1", nke("0", "r", "g"), "l1", nke("0", null, "r"), "l1");
+ runTest(mc, nke("0", null, null), nkes());
+
+ runTest(mc, nke("0", "a", null), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "g", null), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "h", null), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "r", null), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "s", null), nkes());
+
+ runTest(mc, nke("0", "b", "a"), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "g", "a"), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "h", "a"), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "r", "a"), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "s", "a"), nkes());
+
+ runTest(mc, nke("0", "h", "g"), nkes(nke("0", "g", null), nke("0", null, "r")));
+ runTest(mc, nke("0", "r", "g"), nkes(nke("0", "g", null), nke("0", null, "r")));
+ runTest(mc, nke("0", "s", "g"), nkes(nke("0", "g", null)));
+
+ runTest(mc, nke("0", "i", "h"), nkes(nke("0", "g", null), nke("0", null, "r")));
+ runTest(mc, nke("0", "r", "h"), nkes(nke("0", "g", null), nke("0", null, "r")));
+ runTest(mc, nke("0", "s", "h"), nkes(nke("0", "g", null)));
+
+ runTest(mc, nke("0", "z", "f"), nkes());
+ runTest(mc, nke("0", "z", "g"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", "z", "q"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", "z", "r"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+ runTest(mc, nke("0", "z", "s"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+
+ runTest(mc, nke("0", null, "f"), nkes());
+ runTest(mc, nke("0", null, "g"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", null, "q"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", null, "r"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+ runTest(mc, nke("0", null, "s"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+
+ }
+
+ public void testRemoveOverlapping2() {
+
+ // test removes when cache does not contain all tablets in a table
+ TreeMap<Text,TabletLocation> mc = createMetaCache(nke("0", "r", "g"), "l1", nke("0", null, "r"), "l1");
+
+ runTest(mc, nke("0", "a", null), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "g", null), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "h", null), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "r", null), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "s", null), nkes());
+
+ runTest(mc, nke("0", "b", "a"), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "g", "a"), nkes(nke("0", "r", "g"), nke("0", null, "r")));
+ runTest(mc, nke("0", "h", "a"), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "r", "a"), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "s", "a"), nkes());
+
+ runTest(mc, nke("0", "h", "g"), nkes(nke("0", null, "r")));
+
+ mc = createMetaCache(nke("0", "g", null), "l1", nke("0", null, "r"), "l1");
+
+ runTest(mc, nke("0", "h", "g"), nkes(nke("0", "g", null), nke("0", null, "r")));
+ runTest(mc, nke("0", "h", "a"), nkes(nke("0", null, "r")));
+ runTest(mc, nke("0", "s", "g"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", "s", "a"), nkes());
+
+ mc = createMetaCache(nke("0", "g", null), "l1", nke("0", "r", "g"), "l1");
+
+ runTest(mc, nke("0", "z", "f"), nkes());
+ runTest(mc, nke("0", "z", "g"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", "z", "q"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", "z", "r"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+ runTest(mc, nke("0", "z", "s"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+
+ runTest(mc, nke("0", null, "f"), nkes());
+ runTest(mc, nke("0", null, "g"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", null, "q"), nkes(nke("0", "g", null)));
+ runTest(mc, nke("0", null, "r"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+ runTest(mc, nke("0", null, "s"), nkes(nke("0", "g", null), nke("0", "r", "g")));
+ }
+
+ static class TestInstance implements Instance {
+
+ private final String iid;
+ private String rtl;
+
+ public TestInstance(String iid, String rtl) {
+ this.iid = iid;
+ this.rtl = rtl;
+ }
+
+ @Override
+ public String getInstanceID() {
+ return iid;
+ }
+
+ @Override
+ public String getInstanceName() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public List<String> getMasterLocations() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public String getRootTabletLocation() {
+ return rtl;
+ }
+
+ @Override
+ public String getZooKeepers() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int getZooKeepersSessionTimeOut() {
+ throw new UnsupportedOperationException();
+ }
+
+ public void setRootTabletLocation(String rtl) {
+ this.rtl = rtl;
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, byte[] pass) throws AccumuloException, AccumuloSecurityException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, ByteBuffer pass) throws AccumuloException, AccumuloSecurityException {
+ throw new UnsupportedOperationException();
+ }
+
+ AccumuloConfiguration conf = AccumuloConfiguration.getDefaultConfiguration();
+
+ @Override
+ public AccumuloConfiguration getConfiguration() {
+ return conf;
+ }
+
+ @Override
+ public void setConfiguration(AccumuloConfiguration conf) {
+ this.conf = conf;
+ }
+
+ @Override
+ @Deprecated
+ public Connector getConnector(String user, CharSequence pass) throws AccumuloException, AccumuloSecurityException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Deprecated
+ @Override
+ public Connector getConnector(org.apache.accumulo.core.security.thrift.AuthInfo auth) throws AccumuloException, AccumuloSecurityException {
+ return getConnector(auth.user, auth.getPassword());
+ }
+
+ @Override
+ public Connector getConnector(String principal, AuthenticationToken token) throws AccumuloException, AccumuloSecurityException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
- public void close() throws AccumuloException {
++ public void close() {
+ // NOOP
+ }
+ }
+
+ static class TServers {
+ private final Map<String,Map<KeyExtent,SortedMap<Key,Value>>> tservers = new HashMap<String,Map<KeyExtent,SortedMap<Key,Value>>>();
+ }
+
+ static class TestTabletLocationObtainer implements TabletLocationObtainer {
+
+ private final Map<String,Map<KeyExtent,SortedMap<Key,Value>>> tservers;
+
+ TestTabletLocationObtainer(TServers tservers) {
+ this.tservers = tservers.tservers;
+ }
+
+ @Override
+ public TabletLocations lookupTablet(TabletLocation src, Text row, Text stopRow, TabletLocator parent, TCredentials credentials) throws AccumuloSecurityException {
+
+ // System.out.println("lookupTablet("+src+","+row+","+stopRow+","+ parent+")");
+ // System.out.println(tservers);
+
+ ArrayList<TabletLocation> list = new ArrayList<TabletLocation>();
+
+ Map<KeyExtent,SortedMap<Key,Value>> tablets = tservers.get(src.tablet_location);
+
+ if (tablets == null) {
+ parent.invalidateCache(src.tablet_location);
+ return null;
+ }
+
+ SortedMap<Key,Value> tabletData = tablets.get(src.tablet_extent);
+
+ if (tabletData == null) {
+ parent.invalidateCache(src.tablet_extent);
+ return null;
+ }
+
+ // the following clip is done on a tablet, do it here to see if it throws exceptions
+ src.tablet_extent.toDataRange().clip(new Range(row, true, stopRow, true));
+
+ Key startKey = new Key(row);
+ Key stopKey = new Key(stopRow).followingKey(PartialKey.ROW);
+
+ SortedMap<Key,Value> results = tabletData.tailMap(startKey).headMap(stopKey);
+
+ Pair<SortedMap<KeyExtent,Text>,List<KeyExtent>> metadata = MetadataTable.getMetadataLocationEntries(results);
+
+ for (Entry<KeyExtent,Text> entry : metadata.getFirst().entrySet()) {
+ list.add(new TabletLocation(entry.getKey(), entry.getValue().toString()));
+ }
+
+ return new TabletLocations(list, metadata.getSecond());
+ }
+
+ @Override
+ public List<TabletLocation> lookupTablets(String tserver, Map<KeyExtent,List<Range>> map, TabletLocator parent, TCredentials credentials)
+ throws AccumuloSecurityException {
+
+ ArrayList<TabletLocation> list = new ArrayList<TabletLocation>();
+
+ Map<KeyExtent,SortedMap<Key,Value>> tablets = tservers.get(tserver);
+
+ if (tablets == null) {
+ parent.invalidateCache(tserver);
+ return list;
+ }
+
+ TreeMap<Key,Value> results = new TreeMap<Key,Value>();
+
+ Set<Entry<KeyExtent,List<Range>>> es = map.entrySet();
+ List<KeyExtent> failures = new ArrayList<KeyExtent>();
+ for (Entry<KeyExtent,List<Range>> entry : es) {
+ SortedMap<Key,Value> tabletData = tablets.get(entry.getKey());
+
+ if (tabletData == null) {
+ failures.add(entry.getKey());
+ continue;
+ }
+ List<Range> ranges = entry.getValue();
+ for (Range range : ranges) {
+ SortedMap<Key,Value> tm;
+ if (range.getStartKey() == null)
+ tm = tabletData;
+ else
+ tm = tabletData.tailMap(range.getStartKey());
+
+ for (Entry<Key,Value> de : tm.entrySet()) {
+ if (range.afterEndKey(de.getKey())) {
+ break;
+ }
+
+ if (range.contains(de.getKey())) {
+ results.put(de.getKey(), de.getValue());
+ }
+ }
+ }
+ }
+
+ if (failures.size() > 0)
+ parent.invalidateCache(failures);
+
+ SortedMap<KeyExtent,Text> metadata = MetadataTable.getMetadataLocationEntries(results).getFirst();
+
+ for (Entry<KeyExtent,Text> entry : metadata.entrySet()) {
+ list.add(new TabletLocation(entry.getKey(), entry.getValue().toString()));
+ }
+
+ return list;
+
+ }
+
+ }
+
+ static void createEmptyTablet(TServers tservers, String server, KeyExtent tablet) {
+ Map<KeyExtent,SortedMap<Key,Value>> tablets = tservers.tservers.get(server);
+ if (tablets == null) {
+ tablets = new HashMap<KeyExtent,SortedMap<Key,Value>>();
+ tservers.tservers.put(server, tablets);
+ }
+
+ SortedMap<Key,Value> tabletData = tablets.get(tablet);
+ if (tabletData == null) {
+ tabletData = new TreeMap<Key,Value>();
+ tablets.put(tablet, tabletData);
+ } else if (tabletData.size() > 0) {
+ throw new RuntimeException("Asked for empty tablet, but non empty tablet exists");
+ }
+ }
+
+ static void setLocation(TServers tservers, String server, KeyExtent tablet, KeyExtent ke, String location, String instance) {
+ Map<KeyExtent,SortedMap<Key,Value>> tablets = tservers.tservers.get(server);
+ if (tablets == null) {
+ tablets = new HashMap<KeyExtent,SortedMap<Key,Value>>();
+ tservers.tservers.put(server, tablets);
+ }
+
+ SortedMap<Key,Value> tabletData = tablets.get(tablet);
+ if (tabletData == null) {
+ tabletData = new TreeMap<Key,Value>();
+ tablets.put(tablet, tabletData);
+ }
+
+ Text mr = ke.getMetadataEntry();
+ Value per = KeyExtent.encodePrevEndRow(ke.getPrevEndRow());
+
+ if (location != null) {
+ if (instance == null)
+ instance = "";
+ Key lk = new Key(mr, Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY, new Text(instance));
+ tabletData.put(lk, new Value(location.getBytes()));
+ }
+
+ Key pk = new Key(mr, Constants.METADATA_PREV_ROW_COLUMN.getColumnFamily(), Constants.METADATA_PREV_ROW_COLUMN.getColumnQualifier());
+ tabletData.put(pk, per);
+ }
+
+ static void setLocation(TServers tservers, String server, KeyExtent tablet, KeyExtent ke, String location) {
+ setLocation(tservers, server, tablet, ke, location, "");
+ }
+
+ static void deleteServer(TServers tservers, String server) {
+ tservers.tservers.remove(server);
+
+ }
+
+ private void locateTabletTest(TabletLocatorImpl cache, String row, boolean skipRow, KeyExtent expected, String server, TCredentials credentials)
+ throws Exception {
+ TabletLocation tl = cache.locateTablet(new Text(row), skipRow, false, credentials);
+
+ if (expected == null) {
+ if (tl != null)
+ System.out.println("tl = " + tl);
+ assertNull(tl);
+ } else {
+ assertNotNull(tl);
+ assertEquals(server, tl.tablet_location);
+ assertEquals(expected, tl.tablet_extent);
+ }
+ }
+
+ private void locateTabletTest(TabletLocatorImpl cache, String row, KeyExtent expected, String server, TCredentials credentials) throws Exception {
+ locateTabletTest(cache, row, false, expected, server, credentials);
+ }
+
+ public void test1() throws Exception {
+ TServers tservers = new TServers();
+ TestTabletLocationObtainer ttlo = new TestTabletLocationObtainer(tservers);
+ TestInstance testInstance = new TestInstance("instance1", "tserver1");
+
+ RootTabletLocator rtl = new RootTabletLocator(testInstance);
+ TabletLocatorImpl rootTabletCache = new TabletLocatorImpl(new Text(Constants.METADATA_TABLE_ID), rtl, ttlo);
+ TabletLocatorImpl tab1TabletCache = new TabletLocatorImpl(new Text("tab1"), rootTabletCache, ttlo);
+
+ locateTabletTest(tab1TabletCache, "r1", null, null, credential);
+
+ KeyExtent tab1e = nke("tab1", null, null);
+
+ setLocation(tservers, "tserver1", RTE, MTE, "tserver2");
+ setLocation(tservers, "tserver2", MTE, tab1e, "tserver3");
+
+ locateTabletTest(tab1TabletCache, "r1", tab1e, "tserver3", credential);
+ locateTabletTest(tab1TabletCache, "r2", tab1e, "tserver3", credential);
+
+ // simulate a split
+ KeyExtent tab1e1 = nke("tab1", "g", null);
+ KeyExtent tab1e2 = nke("tab1", null, "g");
+
+ setLocation(tservers, "tserver2", MTE, tab1e1, "tserver4");
+ setLocation(tservers, "tserver2", MTE, tab1e2, "tserver5");
+
+ locateTabletTest(tab1TabletCache, "r1", tab1e, "tserver3", credential);
+ tab1TabletCache.invalidateCache(tab1e);
+ locateTabletTest(tab1TabletCache, "r1", tab1e2, "tserver5", credential);
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver4", credential);
+ locateTabletTest(tab1TabletCache, "a", true, tab1e1, "tserver4", credential);
+ locateTabletTest(tab1TabletCache, "g", tab1e1, "tserver4", credential);
+ locateTabletTest(tab1TabletCache, "g", true, tab1e2, "tserver5", credential);
+
+ // simulate a partial split
+ KeyExtent tab1e22 = nke("tab1", null, "m");
+ setLocation(tservers, "tserver2", MTE, tab1e22, "tserver6");
+ locateTabletTest(tab1TabletCache, "r1", tab1e2, "tserver5", credential);
+ tab1TabletCache.invalidateCache(tab1e2);
+ locateTabletTest(tab1TabletCache, "r1", tab1e22, "tserver6", credential);
+ locateTabletTest(tab1TabletCache, "h", null, null, credential);
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver4", credential);
+ KeyExtent tab1e21 = nke("tab1", "m", "g");
+ setLocation(tservers, "tserver2", MTE, tab1e21, "tserver7");
+ locateTabletTest(tab1TabletCache, "r1", tab1e22, "tserver6", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver7", credential);
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver4", credential);
+
+ // simulate a migration
+ setLocation(tservers, "tserver2", MTE, tab1e21, "tserver8");
+ tab1TabletCache.invalidateCache(tab1e21);
+ locateTabletTest(tab1TabletCache, "r1", tab1e22, "tserver6", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver8", credential);
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver4", credential);
+
+ // simulate a server failure
+ setLocation(tservers, "tserver2", MTE, tab1e21, "tserver9");
+ tab1TabletCache.invalidateCache("tserver8");
+ locateTabletTest(tab1TabletCache, "r1", tab1e22, "tserver6", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver9", credential);
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver4", credential);
+
+ // simulate all servers failing
+ deleteServer(tservers, "tserver1");
+ deleteServer(tservers, "tserver2");
+ tab1TabletCache.invalidateCache("tserver4");
+ tab1TabletCache.invalidateCache("tserver6");
+ tab1TabletCache.invalidateCache("tserver9");
+
+ locateTabletTest(tab1TabletCache, "r1", null, null, credential);
+ locateTabletTest(tab1TabletCache, "h", null, null, credential);
+ locateTabletTest(tab1TabletCache, "a", null, null, credential);
+
+ testInstance.setRootTabletLocation("tserver4");
+ setLocation(tservers, "tserver4", RTE, MTE, "tserver5");
+ setLocation(tservers, "tserver5", MTE, tab1e1, "tserver1");
+ setLocation(tservers, "tserver5", MTE, tab1e21, "tserver2");
+ setLocation(tservers, "tserver5", MTE, tab1e22, "tserver3");
+
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver1", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver2", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver3", credential);
+
+ // simulate the !METADATA table splitting
+ KeyExtent mte1 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), tab1e21.getMetadataEntry(), RTE.getEndRow());
+ KeyExtent mte2 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), null, tab1e21.getMetadataEntry());
+
+ setLocation(tservers, "tserver4", RTE, mte1, "tserver5");
+ setLocation(tservers, "tserver4", RTE, mte2, "tserver6");
+ deleteServer(tservers, "tserver5");
+ setLocation(tservers, "tserver5", mte1, tab1e1, "tserver7");
+ setLocation(tservers, "tserver5", mte1, tab1e21, "tserver8");
+ setLocation(tservers, "tserver6", mte2, tab1e22, "tserver9");
+
+ tab1TabletCache.invalidateCache(tab1e1);
+ tab1TabletCache.invalidateCache(tab1e21);
+ tab1TabletCache.invalidateCache(tab1e22);
+
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver7", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver8", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver9", credential);
+
+ // simulate metadata and regular server down and the reassigned
+ deleteServer(tservers, "tserver5");
+ tab1TabletCache.invalidateCache("tserver7");
+ locateTabletTest(tab1TabletCache, "a", null, null, credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver8", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver9", credential);
+
+ setLocation(tservers, "tserver4", RTE, mte1, "tserver10");
+ setLocation(tservers, "tserver10", mte1, tab1e1, "tserver7");
+ setLocation(tservers, "tserver10", mte1, tab1e21, "tserver8");
+
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver7", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver8", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver9", credential);
+ tab1TabletCache.invalidateCache("tserver7");
+ setLocation(tservers, "tserver10", mte1, tab1e1, "tserver2");
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver2", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver8", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver9", credential);
+
+ // simulate a hole in the !METADATA table, caused by a partial split
+ KeyExtent mte11 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), tab1e1.getMetadataEntry(), RTE.getEndRow());
+ KeyExtent mte12 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), tab1e21.getMetadataEntry(), tab1e1.getMetadataEntry());
+ deleteServer(tservers, "tserver10");
+ setLocation(tservers, "tserver4", RTE, mte12, "tserver10");
+ setLocation(tservers, "tserver10", mte12, tab1e21, "tserver12");
+
+ // at this point should be no info in !METADATA about tab1e1
+ tab1TabletCache.invalidateCache(tab1e1);
+ tab1TabletCache.invalidateCache(tab1e21);
+ locateTabletTest(tab1TabletCache, "a", null, null, credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver12", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver9", credential);
+
+ setLocation(tservers, "tserver4", RTE, mte11, "tserver5");
+ setLocation(tservers, "tserver5", mte11, tab1e1, "tserver13");
+
+ locateTabletTest(tab1TabletCache, "a", tab1e1, "tserver13", credential);
+ locateTabletTest(tab1TabletCache, "h", tab1e21, "tserver12", credential);
+ locateTabletTest(tab1TabletCache, "r", tab1e22, "tserver9", credential);
+ }
+
+ public void test2() throws Exception {
+ TServers tservers = new TServers();
+ TabletLocatorImpl metaCache = createLocators(tservers, "tserver1", "tserver2", "foo");
+
+ KeyExtent ke1 = nke("foo", "m", null);
+ KeyExtent ke2 = nke("foo", null, "m");
+
+ setLocation(tservers, "tserver2", MTE, ke1, null);
+ setLocation(tservers, "tserver2", MTE, ke2, "L1");
+
+ locateTabletTest(metaCache, "a", null, null, credential);
+ locateTabletTest(metaCache, "r", ke2, "L1", credential);
+
+ setLocation(tservers, "tserver2", MTE, ke1, "L2");
+
+ locateTabletTest(metaCache, "a", ke1, "L2", credential);
+ locateTabletTest(metaCache, "r", ke2, "L1", credential);
+ }
+
+ public void testBinRanges1() throws Exception {
+ Text tableName = new Text("foo");
+
+ TabletLocatorImpl metaCache = createLocators("foo", nke("foo", null, null), "l1");
+
+ List<Range> ranges = nrl(nr(null, null));
+ Map<String,Map<KeyExtent,List<Range>>> expected = createExpectedBinnings("l1", nol(nke("foo", null, null), nrl(nr(null, null)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ ranges = nrl(nr("a", null));
+ expected = createExpectedBinnings("l1", nol(nke("foo", null, null), nrl(nr("a", null)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ ranges = nrl(nr(null, "b"));
+ expected = createExpectedBinnings("l1", nol(nke("foo", null, null), nrl(nr(null, "b")))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+ }
+
+ public void testBinRanges2() throws Exception {
+
+ Text tableName = new Text("foo");
+
+ List<Range> ranges = nrl(nr(null, null));
+ TabletLocatorImpl metaCache = createLocators("foo", nke("foo", "g", null), "l1", nke("foo", null, "g"), "l2");
+
+ Map<String,Map<KeyExtent,List<Range>>> expected = createExpectedBinnings("l1", nol(nke("foo", "g", null), nrl(nr(null, null))), "l2",
+ nol(nke("foo", null, "g"), nrl(nr(null, null)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+ }
+
+ public void testBinRanges3() throws Exception {
+
+ Text tableName = new Text("foo");
+
+ // test with three tablets and a range that covers the whole table
+ List<Range> ranges = nrl(nr(null, null));
+ TabletLocatorImpl metaCache = createLocators("foo", nke("foo", "g", null), "l1", nke("foo", "m", "g"), "l2", nke("foo", null, "m"), "l2");
+
+ Map<String,Map<KeyExtent,List<Range>>> expected = createExpectedBinnings("l1", nol(nke("foo", "g", null), nrl(nr(null, null))), "l2",
+ nol(nke("foo", "m", "g"), nrl(nr(null, null)), nke("foo", null, "m"), nrl(nr(null, null)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ // test with three tablets where one range falls within the first tablet and last two ranges fall within the last tablet
+ ranges = nrl(nr(null, "c"), nr("s", "y"), nr("z", null));
+ expected = createExpectedBinnings("l1", nol(nke("foo", "g", null), nrl(nr(null, "c"))), "l2", nol(nke("foo", null, "m"), nrl(nr("s", "y"), nr("z", null)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ // test is same as above, but has an additional range that spans the first two tablets
+ ranges = nrl(nr(null, "c"), nr("f", "i"), nr("s", "y"), nr("z", null));
+ expected = createExpectedBinnings("l1", nol(nke("foo", "g", null), nrl(nr(null, "c"), nr("f", "i"))), "l2",
+ nol(nke("foo", "m", "g"), nrl(nr("f", "i")), nke("foo", null, "m"), nrl(nr("s", "y"), nr("z", null)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ // test where start of range is not inclusive and same as tablet endrow
+ ranges = nrl(nr("g", false, "m", true));
+ expected = createExpectedBinnings("l2", nol(nke("foo", "m", "g"), nrl(nr("g", false, "m", true)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ // test where start of range is inclusive and same as tablet endrow
+ ranges = nrl(nr("g", true, "m", true));
+ expected = createExpectedBinnings("l1", nol(nke("foo", "g", null), nrl(nr("g", true, "m", true))), "l2",
+ nol(nke("foo", "m", "g"), nrl(nr("g", true, "m", true)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ ranges = nrl(nr("g", true, "m", false));
+ expected = createExpectedBinnings("l1", nol(nke("foo", "g", null), nrl(nr("g", true, "m", false))), "l2",
+ nol(nke("foo", "m", "g"), nrl(nr("g", true, "m", false)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ ranges = nrl(nr("g", false, "m", false));
+ expected = createExpectedBinnings("l2", nol(nke("foo", "m", "g"), nrl(nr("g", false, "m", false)))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+ }
+
+ public void testBinRanges4() throws Exception {
+ Text tableName = new Text("foo");
+
+ List<Range> ranges = nrl(new Range(new Text("1")));
+ TabletLocatorImpl metaCache = createLocators("foo", nke("foo", "0", null), "l1", nke("foo", "1", "0"), "l2", nke("foo", "2", "1"), "l3",
+ nke("foo", "3", "2"), "l4", nke("foo", null, "3"), "l5");
+
+ Map<String,Map<KeyExtent,List<Range>>> expected = createExpectedBinnings("l2", nol(nke("foo", "1", "0"), nrl(new Range(new Text("1"))))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected);
+
+ Key rowColKey = new Key(new Text("3"), new Text("cf1"), new Text("cq1"));
+ Range range = new Range(rowColKey, true, new Key(new Text("3")).followingKey(PartialKey.ROW), false);
+
+ ranges = nrl(range);
+ Map<String,Map<KeyExtent,List<Range>>> expected4 = createExpectedBinnings("l4", nol(nke("foo", "3", "2"), nrl(range))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected4, nrl());
+
+ range = new Range(rowColKey, true, new Key(new Text("3")).followingKey(PartialKey.ROW), true);
+
+ ranges = nrl(range);
+ Map<String,Map<KeyExtent,List<Range>>> expected5 = createExpectedBinnings("l4", nol(nke("foo", "3", "2"), nrl(range)), "l5",
+ nol(nke("foo", null, "3"), nrl(range))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected5, nrl());
+
+ range = new Range(new Text("2"), false, new Text("3"), false);
+ ranges = nrl(range);
+ Map<String,Map<KeyExtent,List<Range>>> expected6 = createExpectedBinnings("l4", nol(nke("foo", "3", "2"), nrl(range))
+
+ );
+ runTest(tableName, ranges, metaCache, expected6, nrl());
+
+ range = new Range(new Text("2"), true, new Text("3"), false);
+ ranges = nrl(range);
+ Map<String,Map<KeyExtent,List<Range>>> expected7 = createExpectedBinnings("l3", nol(nke("foo", "2", "1"), nrl(range)), "l4",
+ nol(nke("foo", "3", "2"), nrl(range))
+
+ );
+ runTest(tableName, ranges, metaCache, expected7, nrl());
+
+ range = new Range(new Text("2"), false, new Text("3"), true);
+ ranges = nrl(range);
+ Map<String,Map<KeyExtent,List<Range>>> expected8 = createExpectedBinnings("l4", nol(nke("foo", "3", "2"), nrl(range))
+
+ );
+ runTest(tableName, ranges, metaCache, expected8, nrl());
+
+ range = new Range(new Text("2"), true, new Text("3"), true);
+ ranges = nrl(range);
+ Map<String,Map<KeyExtent,List<Range>>> expected9 = createExpectedBinnings("l3", nol(nke("foo", "2", "1"), nrl(range)), "l4",
+ nol(nke("foo", "3", "2"), nrl(range))
+
+ );
+ runTest(tableName, ranges, metaCache, expected9, nrl());
+
+ }
+
+ public void testBinRanges5() throws Exception {
+ // Test binning when there is a hole in the !METADATA information
+ Text tableName = new Text("foo");
+
+ List<Range> ranges = nrl(new Range(new Text("1")));
+ TabletLocatorImpl metaCache = createLocators("foo", nke("foo", "0", null), "l1", nke("foo", "1", "0"), "l2", nke("foo", "3", "2"), "l4",
+ nke("foo", null, "3"), "l5");
+
+ Map<String,Map<KeyExtent,List<Range>>> expected1 = createExpectedBinnings("l2", nol(nke("foo", "1", "0"), nrl(new Range(new Text("1"))))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected1);
+
+ ranges = nrl(new Range(new Text("2")), new Range(new Text("11")));
+ Map<String,Map<KeyExtent,List<Range>>> expected2 = createExpectedBinnings();
+
+ runTest(tableName, ranges, metaCache, expected2, ranges);
+
+ ranges = nrl(new Range(new Text("1")), new Range(new Text("2")));
+
+ runTest(tableName, ranges, metaCache, expected1, nrl(new Range(new Text("2"))));
+
+ ranges = nrl(nr("0", "2"), nr("3", "4"));
+ Map<String,Map<KeyExtent,List<Range>>> expected3 = createExpectedBinnings("l4", nol(nke("foo", "3", "2"), nrl(nr("3", "4"))), "l5",
+ nol(nke("foo", null, "3"), nrl(nr("3", "4")))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected3, nrl(nr("0", "2")));
+
+ ranges = nrl(nr("0", "1"), nr("0", "11"), nr("1", "2"), nr("0", "4"), nr("2", "4"), nr("21", "4"));
+ Map<String,Map<KeyExtent,List<Range>>> expected4 = createExpectedBinnings("l1", nol(nke("foo", "0", null), nrl(nr("0", "1"))), "l2",
+ nol(nke("foo", "1", "0"), nrl(nr("0", "1"))), "l4", nol(nke("foo", "3", "2"), nrl(nr("21", "4"))), "l5", nol(nke("foo", null, "3"), nrl(nr("21", "4")))
+
+ );
+
+ runTest(tableName, ranges, metaCache, expected4, nrl(nr("0", "11"), nr("1", "2"), nr("0", "4"), nr("2", "4")));
+ }
+
+ public void testBinMutations1() throws Exception {
+ // one tablet table
+ KeyExtent ke1 = nke("foo", null, null);
+ TabletLocatorImpl metaCache = createLocators("foo", ke1, "l1");
+
+ List<Mutation> ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("c", "cf1:cq1=v3", "cf1:cq2=v4"));
+ Map<String,Map<KeyExtent,List<String>>> emb = cemb(nol("a", "l1", ke1), nol("c", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"));
+ emb = cemb(nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("a", "cf1:cq3=v3"));
+ emb = cemb(nol("a", "l1", ke1), nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ }
+
+ public void testBinMutations2() throws Exception {
+ // no tablets for table
+ TabletLocatorImpl metaCache = createLocators("foo");
+
+ List<Mutation> ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("c", "cf1:cq1=v3", "cf1:cq2=v4"));
+ Map<String,Map<KeyExtent,List<String>>> emb = cemb();
+ runTest(metaCache, ml, emb, "a", "c");
+ }
+
+ public void testBinMutations3() throws Exception {
+ // three tablet table
+ KeyExtent ke1 = nke("foo", "h", null);
+ KeyExtent ke2 = nke("foo", "t", "h");
+ KeyExtent ke3 = nke("foo", null, "t");
+
+ TabletLocatorImpl metaCache = createLocators("foo", ke1, "l1", ke2, "l2", ke3, "l3");
+
+ List<Mutation> ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("i", "cf1:cq1=v3", "cf1:cq2=v4"));
+ Map<String,Map<KeyExtent,List<String>>> emb = cemb(nol("a", "l1", ke1), nol("i", "l2", ke2));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"));
+ emb = cemb(nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("a", "cf1:cq3=v3"));
+ emb = cemb(nol("a", "l1", ke1), nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("w", "cf1:cq3=v3"));
+ emb = cemb(nol("a", "l1", ke1), nol("w", "l3", ke3));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("w", "cf1:cq3=v3"), nm("z", "cf1:cq4=v4"));
+ emb = cemb(nol("a", "l1", ke1), nol("w", "l3", ke3), nol("z", "l3", ke3));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("h", "cf1:cq1=v1", "cf1:cq2=v2"), nm("t", "cf1:cq1=v1", "cf1:cq2=v2"));
+ emb = cemb(nol("h", "l1", ke1), nol("t", "l2", ke2));
+ runTest(metaCache, ml, emb);
+ }
+
+ public void testBinMutations4() throws Exception {
+ // three table with hole
+ KeyExtent ke1 = nke("foo", "h", null);
+
+ KeyExtent ke3 = nke("foo", null, "t");
+
+ TabletLocatorImpl metaCache = createLocators("foo", ke1, "l1", ke3, "l3");
+
+ List<Mutation> ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("i", "cf1:cq1=v3", "cf1:cq2=v4"));
+ Map<String,Map<KeyExtent,List<String>>> emb = cemb(nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb, "i");
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"));
+ emb = cemb(nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("a", "cf1:cq3=v3"));
+ emb = cemb(nol("a", "l1", ke1), nol("a", "l1", ke1));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("w", "cf1:cq3=v3"));
+ emb = cemb(nol("a", "l1", ke1), nol("w", "l3", ke3));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("w", "cf1:cq3=v3"), nm("z", "cf1:cq4=v4"));
+ emb = cemb(nol("a", "l1", ke1), nol("w", "l3", ke3), nol("z", "l3", ke3));
+ runTest(metaCache, ml, emb);
+
+ ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("w", "cf1:cq3=v3"), nm("z", "cf1:cq4=v4"), nm("t", "cf1:cq5=v5"));
+ emb = cemb(nol("a", "l1", ke1), nol("w", "l3", ke3), nol("z", "l3", ke3));
+ runTest(metaCache, ml, emb, "t");
+ }
+
+ public void testBinSplit() throws Exception {
+ // try binning mutations and ranges when a tablet splits
+
+ for (int i = 0; i < 3; i++) {
+ // when i == 0 only test binning mutations
+ // when i == 1 only test binning ranges
+ // when i == 2 test both
+
+ KeyExtent ke1 = nke("foo", null, null);
+ TServers tservers = new TServers();
+ TabletLocatorImpl metaCache = createLocators(tservers, "tserver1", "tserver2", "foo", ke1, "l1");
+
+ List<Mutation> ml = nml(nm("a", "cf1:cq1=v1", "cf1:cq2=v2"), nm("m", "cf1:cq1=v3", "cf1:cq2=v4"), nm("z", "cf1:cq1=v5"));
+ Map<String,Map<KeyExtent,List<String>>> emb = cemb(nol("a", "l1", ke1), nol("m", "l1", ke1), nol("z", "l1", ke1));
+ if (i == 0 || i == 2)
+ runTest(metaCache, ml, emb);
+
+ List<Range> ranges = nrl(new Range(new Text("a")), new Range(new Text("m")), new Range(new Text("z")));
+
+ Map<String,Map<KeyExtent,List<Range>>> expected1 = createExpectedBinnings("l1", nol(nke("foo", null, null), ranges)
+
+ );
+
+ if (i == 1 || i == 2)
+ runTest(new Text("foo"), ranges, metaCache, expected1);
+
+ KeyExtent ke11 = nke("foo", "n", null);
+ KeyExtent ke12 = nke("foo", null, "n");
+
+ setLocation(tservers, "tserver2", MTE, ke12, "l2");
+
+ metaCache.invalidateCache(ke1);
+
+ emb = cemb(nol("z", "l2", ke12));
+ if (i == 0 || i == 2)
+ runTest(metaCache, ml, emb, "a", "m");
+
+ Map<String,Map<KeyExtent,List<Range>>> expected2 = createExpectedBinnings("l2", nol(nke("foo", null, "n"), nrl(new Range(new Text("z"))))
+
+ );
+
+ if (i == 1 || i == 2)
+ runTest(new Text("foo"), ranges, metaCache, expected2, nrl(new Range(new Text("a")), new Range(new Text("m"))));
+
+ setLocation(tservers, "tserver2", MTE, ke11, "l3");
+ emb = cemb(nol("a", "l3", ke11), nol("m", "l3", ke11), nol("z", "l2", ke12));
+ if (i == 0 || i == 2)
+ runTest(metaCache, ml, emb);
+
+ Map<String,Map<KeyExtent,List<Range>>> expected3 = createExpectedBinnings("l2", nol(nke("foo", null, "n"), nrl(new Range(new Text("z")))), "l3",
+ nol(nke("foo", "n", null), nrl(new Range(new Text("a")), new Range(new Text("m"))))
+
+ );
+
+ if (i == 1 || i == 2)
+ runTest(new Text("foo"), ranges, metaCache, expected3);
+ }
+ }
+
+ public void testBug1() throws Exception {
+ // a bug that occurred while running continuous ingest
+ KeyExtent mte1 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), new Text("0;0bc"), RTE.getEndRow());
+ KeyExtent mte2 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), null, new Text("0;0bc"));
+
+ TServers tservers = new TServers();
+ TestTabletLocationObtainer ttlo = new TestTabletLocationObtainer(tservers);
+ TestInstance testInstance = new TestInstance("instance1", "tserver1");
+
+ RootTabletLocator rtl = new RootTabletLocator(testInstance);
+ TabletLocatorImpl rootTabletCache = new TabletLocatorImpl(new Text(Constants.METADATA_TABLE_ID), rtl, ttlo);
+ TabletLocatorImpl tab0TabletCache = new TabletLocatorImpl(new Text("0"), rootTabletCache, ttlo);
+
+ setLocation(tservers, "tserver1", RTE, mte1, "tserver2");
+ setLocation(tservers, "tserver1", RTE, mte2, "tserver3");
+
+ // create two tablets that straddle a !METADATA split point
+ KeyExtent ke1 = new KeyExtent(new Text("0"), new Text("0bbf20e"), null);
+ KeyExtent ke2 = new KeyExtent(new Text("0"), new Text("0bc0756"), new Text("0bbf20e"));
+
+ setLocation(tservers, "tserver2", mte1, ke1, "tserver4");
+ setLocation(tservers, "tserver3", mte2, ke2, "tserver5");
+
+ // look up something that comes after the last entry in mte1
+ locateTabletTest(tab0TabletCache, "0bbff", ke2, "tserver5", credential);
+ }
+
+ public void testBug2() throws Exception {
+ // a bug that occurred while running a functional test
+ KeyExtent mte1 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), new Text("~"), RTE.getEndRow());
+ KeyExtent mte2 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), null, new Text("~"));
+
+ TServers tservers = new TServers();
+ TestTabletLocationObtainer ttlo = new TestTabletLocationObtainer(tservers);
+ TestInstance testInstance = new TestInstance("instance1", "tserver1");
+
+ RootTabletLocator rtl = new RootTabletLocator(testInstance);
+ TabletLocatorImpl rootTabletCache = new TabletLocatorImpl(new Text(Constants.METADATA_TABLE_ID), rtl, ttlo);
+ TabletLocatorImpl tab0TabletCache = new TabletLocatorImpl(new Text("0"), rootTabletCache, ttlo);
+
+ setLocation(tservers, "tserver1", RTE, mte1, "tserver2");
+ setLocation(tservers, "tserver1", RTE, mte2, "tserver3");
+
+ // create the ~ tablet so it exists
+ Map<KeyExtent,SortedMap<Key,Value>> ts3 = new HashMap<KeyExtent,SortedMap<Key,Value>>();
+ ts3.put(mte2, new TreeMap<Key,Value>());
+ tservers.tservers.put("tserver3", ts3);
+
+ assertNull(tab0TabletCache.locateTablet(new Text("row_0000000000"), false, false, credential));
+
+ }
+
+ // this test reproduces a problem where empty metadata tablets, that were created by user tablets being merged away, caused locating tablets to fail
+ public void testBug3() throws Exception {
+ KeyExtent mte1 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), new Text("1;c"), RTE.getEndRow());
+ KeyExtent mte2 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), new Text("1;f"), new Text("1;c"));
+ KeyExtent mte3 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), new Text("1;j"), new Text("1;f"));
+ KeyExtent mte4 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), new Text("1;r"), new Text("1;j"));
+ KeyExtent mte5 = new KeyExtent(new Text(Constants.METADATA_TABLE_ID), null, new Text("1;r"));
+
+ KeyExtent ke1 = new KeyExtent(new Text("1"), null, null);
+
+ TServers tservers = new TServers();
+ TestTabletLocationObtainer ttlo = new TestTabletLocationObtainer(tservers);
+ TestInstance testInstance = new TestInstance("instance1", "tserver1");
+
+ RootTabletLocator rtl = new RootTabletLocator(testInstance);
+
+ TabletLocatorImpl rootTabletCache = new TabletLocatorImpl(new Text(Constants.METADATA_TABLE_ID), rtl, ttlo);
+ TabletLocatorImpl tab0TabletCache = new TabletLocatorImpl(new Text("1"), rootTabletCache, ttlo);
+
+ setLocation(tservers, "tserver1", RTE, mte1, "tserver2");
+ setLocation(tservers, "tserver1", RTE, mte2, "tserver3");
+ setLocation(tservers, "tserver1", RTE, mte3, "tserver4");
+ setLocation(tservers, "tserver1", RTE, mte4, "tserver5");
+ setLocation(tservers, "tserver1", RTE, mte5, "tserver6");
+
+ createEmptyTablet(tservers, "tserver2", mte1);
+ createEmptyTablet(tservers, "tserver3", mte2);
+ createEmptyTablet(tservers, "tserver4", mte3);
+ createEmptyTablet(tservers, "tserver5", mte4);
+ setLocation(tservers, "tserver6", mte5, ke1, "tserver7");
+
+ locateTabletTest(tab0TabletCache, "a", ke1, "tserver7", credential);
+
+ }
+
+ public void testAccumulo1248() throws Exception {
+ TServers tservers = new TServers();
+ TabletLocatorImpl metaCache = createLocators(tservers, "tserver1", "tserver2", "foo");
+
+ KeyExtent ke1 = nke("foo", null, null);
+
+ // set two locations for a tablet, this is not supposed to happen. The metadata cache should throw an exception if it sees this rather than caching one of
+ // the locations.
+ setLocation(tservers, "tserver2", MTE, ke1, "L1", "I1");
+ setLocation(tservers, "tserver2", MTE, ke1, "L2", "I2");
+
+ try {
+ metaCache.locateTablet(new Text("a"), false, false, credential);
+ assertTrue(false);
+ } catch (Exception e) {
+
+ }
+
+
+ }
+}