Package com.hazelcast.map.client

Source Code of com.hazelcast.map.client.MapEntrySetRequest

/*
* 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.map.client;

import com.hazelcast.client.AllPartitionsClientRequest;
import com.hazelcast.client.RetryableRequest;
import com.hazelcast.client.SecureRequest;
import com.hazelcast.map.operation.EntrySetOperationFactory;
import com.hazelcast.map.MapEntrySet;
import com.hazelcast.map.MapPortableHook;
import com.hazelcast.map.MapService;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.Portable;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.MapPermission;
import com.hazelcast.spi.OperationFactory;

import java.io.IOException;
import java.security.Permission;
import java.util.Map;
import java.util.Set;

public class MapEntrySetRequest extends AllPartitionsClientRequest implements Portable, RetryableRequest, SecureRequest {

    private String name;

    public MapEntrySetRequest() {
    }

    public MapEntrySetRequest(String name) {
        this.name = name;
    }

    @Override
    protected OperationFactory createOperationFactory() {
        return new EntrySetOperationFactory(name);
    }

    @Override
    protected Object reduce(Map<Integer, Object> map) {
        MapEntrySet entrySet = new MapEntrySet();
        MapService service = getService();
        for (Object result : map.values()) {
            Set<Map.Entry<Data,Data>> entries = ((MapEntrySet) service.toObject(result)).getEntrySet();
            for (Map.Entry<Data,Data> entry : entries) {
                entrySet.add(entry);
            }
        }
        return entrySet;
    }

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

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

    public int getClassId() {
        return MapPortableHook.ENTRY_SET;
    }

    public void write(PortableWriter writer) throws IOException {
        writer.writeUTF("n", name);
    }

    public void read(PortableReader reader) throws IOException {
        name = reader.readUTF("n");
    }

    public Permission getRequiredPermission() {
        return new MapPermission(name, ActionConstants.ACTION_READ);
    }
}
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