com.hazelcast.internal.partition.operation.FetchPartitionStateOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, 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.partition.operation;
import com.hazelcast.core.MemberLeftException;
import com.hazelcast.internal.partition.InternalPartitionService;
import com.hazelcast.internal.partition.MigrationCycleOperation;
import com.hazelcast.internal.partition.PartitionRuntimeState;
import com.hazelcast.internal.partition.impl.InternalPartitionServiceImpl;
import com.hazelcast.internal.partition.impl.PartitionDataSerializerHook;
import com.hazelcast.nio.Address;
import com.hazelcast.spi.ExceptionAction;
import com.hazelcast.spi.NodeEngine;
import com.hazelcast.spi.exception.CallerNotMemberException;
import com.hazelcast.spi.exception.TargetNotMemberException;
/**
* Operation sent by the master to the cluster members to fetch their partition state.
*/
public final class FetchPartitionStateOperation extends AbstractPartitionOperation
implements MigrationCycleOperation {
private PartitionRuntimeState partitionState;
public FetchPartitionStateOperation() {
}
@Override
public void run() {
Address caller = getCallerAddress();
NodeEngine nodeEngine = getNodeEngine();
Address master = nodeEngine.getMasterAddress();
if (!caller.equals(master)) {
String msg = caller + " requested our partition table but it's not our known master. " + "Master: " + master;
getLogger().warning(msg);
throw new IllegalStateException(msg);
}
InternalPartitionServiceImpl service = getService();
partitionState = service.createPartitionStateInternal();
}
@Override
public ExceptionAction onInvocationException(Throwable throwable) {
if (throwable instanceof MemberLeftException
|| throwable instanceof TargetNotMemberException
|| throwable instanceof CallerNotMemberException) {
return ExceptionAction.THROW_EXCEPTION;
}
return super.onInvocationException(throwable);
}
@Override
public Object getResponse() {
return partitionState;
}
@Override
public String getServiceName() {
return InternalPartitionService.SERVICE_NAME;
}
@Override
public int getId() {
return PartitionDataSerializerHook.FETCH_PARTITION_STATE;
}
}