com.hazelcast.cache.impl.client.CacheSizeRequest Maven / Gradle / Ivy

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/*
 * Copyright (c) 2008-2016, 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.cache.impl.client;

import com.hazelcast.cache.impl.CacheOperationProvider;
import com.hazelcast.cache.impl.CachePortableHook;
import com.hazelcast.cache.impl.ICacheService;
import com.hazelcast.cache.impl.operation.CacheSizeOperationFactory;
import com.hazelcast.client.impl.client.RetryableRequest;
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 com.hazelcast.cache.impl.operation.CacheSizeOperationFactory
 */
public class CacheSizeRequest
        extends AbstractCacheAllPartitionsRequest
        implements RetryableRequest {

    public CacheSizeRequest() {
    }

    public CacheSizeRequest(String name) {
        super(name);
    }

    public String getServiceName() {
        return ICacheService.SERVICE_NAME;
    }

    @Override
    public int getFactoryId() {
        return CachePortableHook.F_ID;
    }

    @Override
    public int getClassId() {
        return CachePortableHook.SIZE;
    }

    @Override
    protected OperationFactory createOperationFactory() {
        CacheOperationProvider operationProvider = getOperationProvider();
        return operationProvider.createSizeOperationFactory();
    }

    @Override
    protected Object reduce(Map map) {
        int total = 0;
        for (Object result : map.values()) {
            Integer size = (Integer) serializationService.toObject(result);
            total += size;
        }
        return total;
    }

    @Override
    public Permission getRequiredPermission() {
        return null;
    }

}