/* * (C) 2007-2012 Alibaba Group Holding Limited. * * 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. * Authors: * wuhua <wq163@163.com> , boyan <killme2008@gmail.com> */ package com.taobao.metamorphosis.client.consumer; import java.util.List; /** * Consumer��balance���� * * @author boyan(boyan@taobao.com) * @date 2011-11-29 * */ public interface LoadBalanceStrategy { enum Type { DEFAULT, CONSIST } /** * ����consumer id���Ҷ�Ӧ�ķ����б� * * @param topic * ����topic * @param consumerId * consumerId * @param curConsumers * ��ǰ���е�consumer�б� * @param curPartitions * ��ǰ�ķ����б� * * @return */ public List<String> getPartitions(String topic, String consumerId, final List<String> curConsumers, final List<String> curPartitions); }