Package com.hazelcast.client.proxy

Source Code of com.hazelcast.client.proxy.PartitionServiceProxy

/*
* 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.client.proxy;

import com.hazelcast.client.spi.ClientPartitionService;
import com.hazelcast.core.MigrationListener;
import com.hazelcast.core.Partition;
import com.hazelcast.core.PartitionService;

import java.util.LinkedHashSet;
import java.util.Random;
import java.util.Set;

/**
* @author mdogan 5/16/13
*/
public final class PartitionServiceProxy implements PartitionService {

    private final ClientPartitionService partitionService;
    private final Random random = new Random();

    public PartitionServiceProxy(ClientPartitionService partitionService) {
        this.partitionService = partitionService;
    }

    @Override
    public String randomPartitionKey() {
        return Integer.toString(random.nextInt(partitionService.getPartitionCount()));
    }

    @Override
    public Set<Partition> getPartitions() {
        final int partitionCount = partitionService.getPartitionCount();
        Set<Partition> partitions = new LinkedHashSet<Partition>(partitionCount);
        for (int i = 0; i < partitionCount; i++) {
            final Partition partition = partitionService.getPartition(i);
            partitions.add(partition);
        }
        return partitions;
    }

    @Override
    public Partition getPartition(Object key) {
        final int partitionId = partitionService.getPartitionId(key);
        return partitionService.getPartition(partitionId);
    }

    @Override
    public String addMigrationListener(MigrationListener migrationListener) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean removeMigrationListener(String registrationId) {
        throw new UnsupportedOperationException();
    }
}
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