/*
* 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.partition.impl;
import com.hazelcast.core.MemberLeftException;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.partition.MigrationCycleOperation;
import com.hazelcast.partition.MigrationInfo;
import com.hazelcast.spi.AbstractOperation;
import com.hazelcast.spi.ExceptionAction;
import com.hazelcast.spi.PartitionAwareOperation;
import java.io.IOException;
public abstract class BaseMigrationOperation extends AbstractOperation
implements MigrationCycleOperation, PartitionAwareOperation {
protected MigrationInfo migrationInfo;
protected boolean success;
public BaseMigrationOperation() {
}
public BaseMigrationOperation(MigrationInfo migrationInfo) {
this.migrationInfo = migrationInfo;
setPartitionId(migrationInfo.getPartitionId());
}
@Override
public Object getResponse() {
return success;
}
@Override
public boolean returnsResponse() {
return true;
}
@Override
public final boolean validatesTarget() {
return false;
}
@Override
public ExceptionAction onException(Throwable throwable) {
if (throwable instanceof MemberLeftException) {
return ExceptionAction.THROW_EXCEPTION;
}
if (!migrationInfo.isValid()) {
return ExceptionAction.THROW_EXCEPTION;
}
return super.onException(throwable);
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
migrationInfo.writeData(out);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
migrationInfo = new MigrationInfo();
migrationInfo.readData(in);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(getClass().getName());
sb.append("{partitionId=").append(getPartitionId());
sb.append(", migration=").append(migrationInfo);
sb.append('}');
return sb.toString();
}
}