com.hazelcast.client.impl.protocol.task.cache.CacheSizeMessageTask 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.client.impl.protocol.task.cache;
import com.hazelcast.cache.impl.CacheOperationProvider;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.cache.impl.operation.CacheSizeOperationFactory;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.CacheSizeCodec;
import com.hazelcast.instance.Node;
import com.hazelcast.nio.Connection;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.CachePermission;
import com.hazelcast.spi.OperationFactory;
import java.security.Permission;
import java.util.Map;
/**
* This client request specifically calls {@link CacheSizeOperationFactory} on the server side.
*
* @see CacheSizeOperationFactory
*/
public class CacheSizeMessageTask
extends AbstractCacheAllPartitionsTask {
public CacheSizeMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
super(clientMessage, node, connection);
}
@Override
protected OperationFactory createOperationFactory() {
CacheOperationProvider operationProvider = getOperationProvider(parameters.name);
return operationProvider.createSizeOperationFactory();
}
@Override
protected Object reduce(Map map) {
int total = 0;
CacheService service = getService(getServiceName());
for (Object result : map.values()) {
Integer size = (Integer) service.toObject(result);
total += size;
}
return total;
}
@Override
protected CacheSizeCodec.RequestParameters decodeClientMessage(ClientMessage clientMessage) {
return CacheSizeCodec.decodeRequest(clientMessage);
}
@Override
protected ClientMessage encodeResponse(Object response) {
return CacheSizeCodec.encodeResponse((Integer) response);
}
@Override
public Permission getRequiredPermission() {
return new CachePermission(parameters.name, ActionConstants.ACTION_READ);
}
@Override
public String getDistributedObjectName() {
return parameters.name;
}
}