/*
* 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.multimap.txn;
import com.hazelcast.multimap.MultiMapContainer;
import com.hazelcast.multimap.MultiMapDataSerializerHook;
import com.hazelcast.multimap.operations.MultiMapBackupAwareOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.Operation;
import com.hazelcast.transaction.TransactionException;
import java.io.IOException;
public class TxnPrepareOperation extends MultiMapBackupAwareOperation {
private static final long LOCK_EXTENSION_TIME_IN_MILLIS = 10000L;
long ttl;
public TxnPrepareOperation() {
}
public TxnPrepareOperation(String name, Data dataKey, long ttl, long threadId) {
super(name, dataKey, threadId);
this.ttl = ttl;
}
public void run() throws Exception {
MultiMapContainer container = getOrCreateContainer();
if (!container.extendLock(dataKey, getCallerUuid(), threadId, LOCK_EXTENSION_TIME_IN_MILLIS)) {
throw new TransactionException(
"Lock is not owned by the transaction! -> " + container.getLockOwnerInfo(dataKey)
);
}
response = true;
}
public boolean shouldBackup() {
return true;
}
public boolean shouldWait() {
return false;
}
public Operation getBackupOperation() {
return new TxnPrepareBackupOperation(name, dataKey, getCallerUuid(), threadId);
}
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeLong(ttl);
}
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
ttl = in.readLong();
}
public int getId() {
return MultiMapDataSerializerHook.TXN_PREPARE;
}
}