/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.cluster;
import com.hazelcast.instance.Node;
import com.hazelcast.logging.ILogger;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.impl.NodeEngineImpl;
import java.io.IOException;
import java.util.logging.Level;
public class PrepareMergeOperation extends AbstractClusterOperation {
private Address newTargetAddress = null;
public PrepareMergeOperation() {
}
public PrepareMergeOperation(Address newTargetAddress) {
super();
this.newTargetAddress = newTargetAddress;
}
@Override
public void run() {
final Address caller = getCallerAddress();
final NodeEngineImpl nodeEngine = (NodeEngineImpl) getNodeEngine();
final Node node = nodeEngine.getNode();
final Address masterAddress = node.getMasterAddress();
final ILogger logger = node.loggingService.getLogger(this.getClass().getName());
if (caller != null && !caller.equals(masterAddress)) { // caller null means local invocation.
logger.warning("Prepare-merge instruction sent from non-master endpoint: " + caller);
return;
}
logger.warning("Preparing to merge... Waiting for merge instruction...");
node.getClusterService().prepareToMerge(newTargetAddress);
}
@Override
public boolean returnsResponse() {
return true;
}
@Override
public Object getResponse() {
return Boolean.TRUE;
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
newTargetAddress = new Address();
newTargetAddress.readData(in);
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
newTargetAddress.writeData(out);
}
}