com.hazelcast.client.impl.protocol.task.GetPartitionsMessageTask 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.client.impl.protocol.task;
import com.hazelcast.client.impl.ClientPartitionListenerService;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.ClientGetPartitionsCodec;
import com.hazelcast.instance.Node;
import com.hazelcast.internal.partition.InternalPartitionService;
import com.hazelcast.internal.partition.PartitionTableView;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.Connection;
import java.security.Permission;
import java.util.Collection;
import java.util.List;
import java.util.Map;
public class GetPartitionsMessageTask
extends AbstractCallableMessageTask {
public GetPartitionsMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
super(clientMessage, node, connection);
}
/**
* The partitions can be empty on the response
* see {@link ClientPartitionListenerService#getPartitions(PartitionTableView)}
*/
protected Object call() {
InternalPartitionService service = getService(InternalPartitionService.SERVICE_NAME);
service.firstArrangement();
PartitionTableView partitionTableView = service.createPartitionTableView();
int partitionStateVersion = partitionTableView.getVersion();
Collection>> partitions =
clientEngine.getPartitionListenerService().getPartitions(partitionTableView);
return ClientGetPartitionsCodec.encodeResponse(partitions, partitionStateVersion);
}
@Override
protected ClientGetPartitionsCodec.RequestParameters decodeClientMessage(ClientMessage clientMessage) {
return ClientGetPartitionsCodec.decodeRequest(clientMessage);
}
@Override
protected ClientMessage encodeResponse(Object response) {
return (ClientMessage) response;
}
@Override
public String getServiceName() {
return InternalPartitionService.SERVICE_NAME;
}
@Override
public String getDistributedObjectName() {
return null;
}
@Override
public String getMethodName() {
return null;
}
@Override
public Object[] getParameters() {
return null;
}
@Override
public Permission getRequiredPermission() {
return null;
}
}