com.hazelcast.internal.cluster.impl.ClusterStateTransactionLogRecord Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, 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.internal.cluster.impl;
import com.hazelcast.cluster.ClusterState;
import com.hazelcast.internal.cluster.Versions;
import com.hazelcast.internal.cluster.impl.operations.CommitClusterStateOp;
import com.hazelcast.internal.cluster.impl.operations.LockClusterStateOp;
import com.hazelcast.internal.cluster.impl.operations.RollbackClusterStateOp;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.impl.Versioned;
import com.hazelcast.spi.Operation;
import com.hazelcast.transaction.impl.TargetAwareTransactionLogRecord;
import com.hazelcast.util.Preconditions;
import java.io.IOException;
/**
* TransactionLogRecord implementation to be used in {@code ClusterState} transactions.
*
* @see ClusterState
* @see com.hazelcast.core.Cluster#changeClusterState(ClusterState, com.hazelcast.transaction.TransactionOptions)
*/
public class ClusterStateTransactionLogRecord implements TargetAwareTransactionLogRecord, Versioned {
ClusterStateChange stateChange;
Address initiator;
Address target;
String txnId;
long leaseTime;
int memberListVersion;
int partitionStateVersion;
boolean isTransient;
public ClusterStateTransactionLogRecord() {
}
public ClusterStateTransactionLogRecord(ClusterStateChange stateChange, Address initiator, Address target,
String txnId, long leaseTime, int memberListVersion,
int partitionStateVersion, boolean isTransient) {
this.memberListVersion = memberListVersion;
Preconditions.checkNotNull(stateChange);
Preconditions.checkNotNull(initiator);
Preconditions.checkNotNull(target);
Preconditions.checkNotNull(txnId);
Preconditions.checkPositive(leaseTime, "Lease time should be positive!");
this.stateChange = stateChange;
this.initiator = initiator;
this.target = target;
this.txnId = txnId;
this.leaseTime = leaseTime;
this.partitionStateVersion = partitionStateVersion;
this.isTransient = isTransient;
}
@Override
public Object getKey() {
return null;
}
@Override
public Operation newPrepareOperation() {
return new LockClusterStateOp(stateChange, initiator, txnId,
leaseTime, memberListVersion, partitionStateVersion);
}
@Override
public Operation newCommitOperation() {
return new CommitClusterStateOp(stateChange, initiator, txnId, isTransient);
}
@Override
public void onCommitSuccess() {
// NOP
}
@Override
public void onCommitFailure() {
// NOP
}
@Override
public Operation newRollbackOperation() {
return new RollbackClusterStateOp(initiator, txnId);
}
@Override
public Address getTarget() {
return target;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeObject(stateChange);
out.writeObject(initiator);
out.writeObject(target);
out.writeUTF(txnId);
out.writeLong(leaseTime);
out.writeInt(partitionStateVersion);
out.writeBoolean(isTransient);
// RU_COMPAT_V3_10
if (out.getVersion().isGreaterOrEqual(Versions.V3_11)) {
out.writeInt(memberListVersion);
}
}
@Override
public void readData(ObjectDataInput in) throws IOException {
stateChange = in.readObject();
initiator = in.readObject();
target = in.readObject();
txnId = in.readUTF();
leaseTime = in.readLong();
partitionStateVersion = in.readInt();
isTransient = in.readBoolean();
// RU_COMPAT_V3_10
if (in.getVersion().isGreaterOrEqual(Versions.V3_11)) {
memberListVersion = in.readInt();
}
}
@Override
public int getFactoryId() {
return ClusterDataSerializerHook.F_ID;
}
@Override
public int getId() {
return ClusterDataSerializerHook.CLUSTER_STATE_TRANSACTION_LOG_RECORD;
}
}