/*
* 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.concurrent.semaphore.operations;
import com.hazelcast.concurrent.semaphore.Permit;
import com.hazelcast.concurrent.semaphore.SemaphoreDataSerializerHook;
import com.hazelcast.concurrent.semaphore.SemaphoreWaitNotifyKey;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.Notifier;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.WaitNotifyKey;
import java.io.IOException;
public class SemaphoreDeadMemberOperation extends SemaphoreBackupAwareOperation
implements Notifier, IdentifiedDataSerializable {
private String firstCaller;
public SemaphoreDeadMemberOperation() {
}
public SemaphoreDeadMemberOperation(String name, String firstCaller) {
super(name, -1);
this.firstCaller = firstCaller;
}
@Override
public void run() throws Exception {
Permit permit = getPermit();
response = permit.memberRemoved(firstCaller);
}
@Override
public boolean shouldBackup() {
return Boolean.TRUE.equals(response);
}
@Override
public boolean returnsResponse() {
return false;
}
@Override
public Operation getBackupOperation() {
return new DeadMemberBackupOperation(name, firstCaller);
}
@Override
public void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeUTF(firstCaller);
}
@Override
public void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
firstCaller = in.readUTF();
}
@Override
public boolean shouldNotify() {
return Boolean.TRUE.equals(response);
}
@Override
public WaitNotifyKey getNotifiedKey() {
return new SemaphoreWaitNotifyKey(name, "acquire");
}
@Override
public int getFactoryId() {
return SemaphoreDataSerializerHook.F_ID;
}
@Override
public int getId() {
return SemaphoreDataSerializerHook.SEMAPHORE_DEAD_MEMBER_OPERATION;
}
}