/*
* 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.lock.operations;
import com.hazelcast.concurrent.lock.ConditionKey;
import com.hazelcast.concurrent.lock.LockStoreImpl;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.ObjectNamespace;
import java.io.IOException;
abstract class BaseSignalOperation extends BaseLockOperation {
protected boolean all;
protected String conditionId;
protected transient int awaitCount;
public BaseSignalOperation() {
}
public BaseSignalOperation(ObjectNamespace namespace, Data key, long threadId, String conditionId, boolean all) {
super(namespace, key, threadId);
this.conditionId = conditionId;
this.all = all;
}
@Override
public void run() throws Exception {
LockStoreImpl lockStore = getLockStore();
awaitCount = lockStore.getAwaitCount(key, conditionId);
int signalCount;
if (awaitCount > 0) {
if (all) {
signalCount = awaitCount;
} else {
signalCount = 1;
}
} else {
signalCount = 0;
}
ConditionKey notifiedKey = new ConditionKey(namespace.getObjectName(), key, conditionId);
for (int i = 0; i < signalCount; i++) {
lockStore.registerSignalKey(notifiedKey);
}
response = true;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeBoolean(all);
out.writeUTF(conditionId);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
all = in.readBoolean();
conditionId = in.readUTF();
}
}