/*
* 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.impl.txn;
import com.hazelcast.multimap.impl.MultiMapContainer;
import com.hazelcast.multimap.impl.MultiMapDataSerializerHook;
import com.hazelcast.multimap.impl.operations.MultiMapKeyBasedOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.BackupOperation;
import com.hazelcast.transaction.TransactionException;
import java.io.IOException;
public class TxnPrepareBackupOperation extends MultiMapKeyBasedOperation implements BackupOperation {
private static final long LOCK_EXTENSION_TIME_IN_MILLIS = 10000L;
String caller;
long ttl;
public TxnPrepareBackupOperation() {
}
public TxnPrepareBackupOperation(String name, Data dataKey, String caller, long threadId) {
super(name, dataKey);
this.caller = caller;
this.threadId = threadId;
}
public void run() throws Exception {
MultiMapContainer container = getOrCreateContainer();
if (!container.txnLock(dataKey, caller, threadId, ttl + LOCK_EXTENSION_TIME_IN_MILLIS)) {
throw new TransactionException(
"Lock is not owned by the transaction! -> " + container.getLockOwnerInfo(dataKey)
);
}
}
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeUTF(caller);
out.writeLong(ttl);
}
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
caller = in.readUTF();
ttl = in.readLong();
}
public int getId() {
return MultiMapDataSerializerHook.TXN_PREPARE_BACKUP;
}
}