/*
 * 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.impl;

import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.Member;

import java.util.concurrent.atomic.AtomicLong;

public class RoundRobinLoadBalancer implements ExecutionLoadBalancer {
    final AtomicLong count = new AtomicLong();

    public Member getTarget(HazelcastInstance hazelcastInstance) {
        Object[] memberObjects = hazelcastInstance.getCluster().getMembers().toArray();
        return (MemberImpl) memberObjects[((int) (Math.abs(count.incrementAndGet()) % memberObjects.length))];
    }
}