/**
* 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.hadoop.hbase.coordination;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hbase.CoordinatedStateException;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.TableStateManager;
import org.apache.hadoop.hbase.zookeeper.ZKTableStateManager;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
import org.apache.zookeeper.KeeperException;
/**
* ZooKeeper-based implementation of {@link org.apache.hadoop.hbase.CoordinatedStateManager}.
*/
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
public class ZkCoordinatedStateManager extends BaseCoordinatedStateManager {
private static final Log LOG = LogFactory.getLog(ZkCoordinatedStateManager.class);
protected Server server;
protected ZooKeeperWatcher watcher;
protected SplitTransactionCoordination splitTransactionCoordination;
protected CloseRegionCoordination closeRegionCoordination;
protected SplitLogWorkerCoordination splitLogWorkerCoordination;
protected SplitLogManagerCoordination splitLogManagerCoordination;
protected OpenRegionCoordination openRegionCoordination;
protected RegionMergeCoordination regionMergeCoordination;
@Override
public void initialize(Server server) {
this.server = server;
this.watcher = server.getZooKeeper();
splitLogWorkerCoordination = new ZkSplitLogWorkerCoordination(this, watcher);
splitLogManagerCoordination = new ZKSplitLogManagerCoordination(this, watcher);
splitTransactionCoordination = new ZKSplitTransactionCoordination(this, watcher);
closeRegionCoordination = new ZkCloseRegionCoordination(this, watcher);
openRegionCoordination = new ZkOpenRegionCoordination(this, watcher);
regionMergeCoordination = new ZkRegionMergeCoordination(this, watcher);
}
@Override
public Server getServer() {
return server;
}
@Override
public TableStateManager getTableStateManager() throws InterruptedException,
CoordinatedStateException {
try {
return new ZKTableStateManager(server.getZooKeeper());
} catch (KeeperException e) {
throw new CoordinatedStateException(e);
}
}
@Override
public SplitLogWorkerCoordination getSplitLogWorkerCoordination() {
return splitLogWorkerCoordination;
}
@Override
public SplitLogManagerCoordination getSplitLogManagerCoordination() {
return splitLogManagerCoordination;
}
@Override
public SplitTransactionCoordination getSplitTransactionCoordination() {
return splitTransactionCoordination;
}
@Override
public CloseRegionCoordination getCloseRegionCoordination() {
return closeRegionCoordination;
}
@Override
public OpenRegionCoordination getOpenRegionCoordination() {
return openRegionCoordination;
}
@Override
public RegionMergeCoordination getRegionMergeCoordination() {
return regionMergeCoordination;
}
}