com.hazelcast.client.impl.protocol.codec.XIDCodec Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, 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.client.impl.protocol.codec;
import com.hazelcast.annotation.Codec;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.util.ParameterUtil;
import com.hazelcast.nio.Bits;
import com.hazelcast.transaction.impl.xa.SerializableXID;
import javax.transaction.xa.Xid;
@Codec(Xid.class)
public final class XIDCodec {
private XIDCodec() {
}
public static Xid decode(ClientMessage clientMessage) {
int formatId = clientMessage.getInt();
byte[] globalTransactionId = clientMessage.getByteArray();
byte[] branchQualifier = clientMessage.getByteArray();
return new SerializableXID(formatId, globalTransactionId, branchQualifier);
}
public static void encode(Xid xid, ClientMessage clientMessage) {
clientMessage.set(xid.getFormatId());
clientMessage.set(xid.getGlobalTransactionId());
clientMessage.set(xid.getBranchQualifier());
}
public static int calculateDataSize(Xid xid) {
int dataSize = 0;
dataSize += Bits.INT_SIZE_IN_BYTES;
dataSize += ParameterUtil.calculateDataSize(xid.getGlobalTransactionId());
dataSize += ParameterUtil.calculateDataSize(xid.getBranchQualifier());
return dataSize;
}
}