001/* 002 * Copyright 2009 Red Hat, Inc. 003 * Red Hat licenses this file to you under the Apache License, version 004 * 2.0 (the "License"); you may not use this file except in compliance 005 * with the License. You may obtain a copy of the License at 006 * http://www.apache.org/licenses/LICENSE-2.0 007 * Unless required by applicable law or agreed to in writing, software 008 * distributed under the License is distributed on an "AS IS" BASIS, 009 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 010 * implied. See the License for the specific language governing 011 * permissions and limitations under the License. 012 */ 013 014package org.hornetq.api.core.client.loadbalance; 015 016import org.hornetq.utils.Random; 017 018/** 019 * {@link RandomConnectionLoadBalancingPolicy#select(int)} chooses a the initial node randomly then subsequent requests return the same node 020 * 021 * @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a> 022 * 023 */ 024public class RandomStickyConnectionLoadBalancingPolicy implements ConnectionLoadBalancingPolicy 025{ 026 private final Random random = new Random(); 027 028 private int pos = -1; 029 030 public int select(final int max) 031 { 032 if (pos == -1) 033 { 034 pos = random.getRandom().nextInt(max); 035 } 036 037 return pos; 038 } 039}