001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.impl.remote; 018 019import java.util.List; 020import java.util.Random; 021 022import org.apache.camel.spi.ServiceCallLoadBalancer; 023import org.apache.camel.spi.ServiceCallServer; 024 025public class RandomServiceCallLoadBalancer implements ServiceCallLoadBalancer<ServiceCallServer> { 026 private final Random random; 027 028 public RandomServiceCallLoadBalancer() { 029 this.random = new Random(); 030 } 031 032 @SuppressWarnings("uncheked") 033 @Override 034 public ServiceCallServer chooseServer(List<ServiceCallServer> servers) { 035 int size = servers.size(); 036 int index = (size > 1) ? random.nextInt(size) : 0; 037 038 return servers.get(index); 039 } 040 041 @Override 042 public String toString() { 043 return "RandomServiceCallLoadBalancer"; 044 } 045}