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.spi; 018 019import java.util.List; 020 021/** 022 * Allows SPIs to implement custom load balancing strategies for the Service Call EIP. 023 * 024 * @see ServiceCallServerListStrategy 025 */ 026public interface ServiceCallLoadBalancer<T extends ServiceCallServer> { 027 028 /** 029 * Chooses one of the servers to use using the implemented strategy. 030 * 031 * @param servers list of servers 032 * @return the chosen server to use. 033 */ 034 T chooseServer(List<T> servers); 035 036}