Package com.hazelcast.replicatedmap.impl.client

Source Code of com.hazelcast.replicatedmap.impl.client.ClientReplicatedMapContainsKeyRequest

/*
* 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.replicatedmap.impl.client;

import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.replicatedmap.impl.record.ReplicatedRecordStore;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.ReplicatedMapPermission;

import java.io.IOException;
import java.security.Permission;

/**
* Client request class for {@link java.util.Map#containsKey(Object)} implementation
*/
public class ClientReplicatedMapContainsKeyRequest
        extends AbstractReplicatedMapClientRequest {

    private Object key;

    ClientReplicatedMapContainsKeyRequest() {
        super(null);
    }

    public ClientReplicatedMapContainsKeyRequest(String mapName, Object key) {
        super(mapName);
        this.key = key;
    }

    @Override
    public Object call()
            throws Exception {
        ReplicatedRecordStore recordStore = getReplicatedRecordStore();
        return recordStore.containsKey(key);
    }

    @Override
    public void write(PortableWriter writer)
            throws IOException {
        super.write(writer);
        ObjectDataOutput out = writer.getRawDataOutput();
        out.writeObject(key);
    }

    @Override
    public void read(PortableReader reader)
            throws IOException {
        super.read(reader);
        ObjectDataInput in = reader.getRawDataInput();
        key = in.readObject();
    }

    @Override
    public int getClassId() {
        return ReplicatedMapPortableHook.CONTAINS_KEY;
    }

    @Override
    public Permission getRequiredPermission() {
        return new ReplicatedMapPermission(getMapName(), ActionConstants.ACTION_READ);
    }

    @Override
    public String getMethodName() {
        return "containsKey";
    }

    @Override
    public Object[] getParameters() {
        return new Object[]{key};
    }
}
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