RoundRobinLoadBalancer.java

/*
 * Agiato: A simple no frill Cassandra API
 * Author: Pranab Ghosh
 * 
 * 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 agiato.cassandra.connect;

import agiato.cassandra.meta.Host;
import java.util.List;

/**
 *
 * @author pranab
 */
public class RoundRobinLoadBalancer extends LoadBalancer{
    private int current = 0;
    
    public RoundRobinLoadBalancer(){
    }

    
    @Override
    public synchronized HostConnections select() {
        HostConnections selected = hostConnections.get(current);
        current = ++current % hostConnections.size();
        return selected;
    }

}