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 */ 013package org.hornetq.api.core.client; 014 015import org.hornetq.api.core.DiscoveryGroupConfiguration; 016import org.hornetq.api.core.TransportConfiguration; 017import org.hornetq.api.core.client.loadbalance.RoundRobinConnectionLoadBalancingPolicy; 018import org.hornetq.core.client.impl.ServerLocatorImpl; 019 020/** 021 * Utility class for creating HornetQ {@link ClientSessionFactory} objects. 022 * 023 * Once a {@link ClientSessionFactory} has been created, it can be further configured 024 * using its setter methods before creating the sessions. Once a session is created, 025 * the factory can no longer be modified (its setter methods will throw a {@link IllegalStateException}. 026 * 027 * @author <a href="mailto:andy.taylor@jboss.org">Andy Taylor</a> 028 */ 029public class HornetQClient 030{ 031 public static final String DEFAULT_CONNECTION_LOAD_BALANCING_POLICY_CLASS_NAME = RoundRobinConnectionLoadBalancingPolicy.class.getCanonicalName(); 032 033 public static final long DEFAULT_CLIENT_FAILURE_CHECK_PERIOD = 30000; 034 035 // 1 minute - this should be higher than ping period 036 037 public static final long DEFAULT_CONNECTION_TTL = 1 * 60 * 1000; 038 039 // Any message beyond this size is considered a large message (to be sent in chunks) 040 041 public static final int DEFAULT_MIN_LARGE_MESSAGE_SIZE = 100 * 1024; 042 043 public static final boolean DEFAULT_COMPRESS_LARGE_MESSAGES = false; 044 045 public static final int DEFAULT_CONSUMER_WINDOW_SIZE = 1024 * 1024; 046 047 public static final int DEFAULT_CONSUMER_MAX_RATE = -1; 048 049 public static final int DEFAULT_CONFIRMATION_WINDOW_SIZE = -1; 050 051 public static final int DEFAULT_PRODUCER_WINDOW_SIZE = 64 * 1024; 052 053 public static final int DEFAULT_PRODUCER_MAX_RATE = -1; 054 055 public static final boolean DEFAULT_BLOCK_ON_ACKNOWLEDGE = false; 056 057 public static final boolean DEFAULT_BLOCK_ON_DURABLE_SEND = true; 058 059 public static final boolean DEFAULT_BLOCK_ON_NON_DURABLE_SEND = false; 060 061 public static final boolean DEFAULT_AUTO_GROUP = false; 062 063 public static final long DEFAULT_CALL_TIMEOUT = 30000; 064 065 public static final int DEFAULT_ACK_BATCH_SIZE = 1024 * 1024; 066 067 public static final boolean DEFAULT_PRE_ACKNOWLEDGE = false; 068 069 public static final long DEFAULT_DISCOVERY_INITIAL_WAIT_TIMEOUT = 10000; 070 071 public static final long DEFAULT_DISCOVERY_REFRESH_TIMEOUT = 10000; 072 073 public static final int DEFAULT_DISCOVERY_PORT = 9876; 074 075 public static final long DEFAULT_RETRY_INTERVAL = 2000; 076 077 public static final double DEFAULT_RETRY_INTERVAL_MULTIPLIER = 1d; 078 079 public static final long DEFAULT_MAX_RETRY_INTERVAL = 2000; 080 081 public static final int DEFAULT_RECONNECT_ATTEMPTS = 0; 082 083 public static final int INITIAL_CONNECT_ATTEMPTS = 1; 084 085 public static final boolean DEFAULT_FAILOVER_ON_INITIAL_CONNECTION = false; 086 087 public static final boolean DEFAULT_IS_HA = false; 088 089 public static final boolean DEFAULT_USE_GLOBAL_POOLS = true; 090 091 public static final int DEFAULT_THREAD_POOL_MAX_SIZE = -1; 092 093 public static final int DEFAULT_SCHEDULED_THREAD_POOL_MAX_SIZE = 5; 094 095 public static final boolean DEFAULT_CACHE_LARGE_MESSAGE_CLIENT = false; 096 097 public static final int DEFAULT_INITIAL_MESSAGE_PACKET_SIZE = 1500; 098 099 public static final boolean DEFAULT_XA = false; 100 101 public static final boolean DEFAULT_HA = false; 102 103 /** 104 * Create a ServerLocator which creates session factories using a static list of transportConfigurations, the ServerLocator is not updated automatically 105 * as the cluster topology changes, and no HA backup information is propagated to the client 106 * 107 * @param transportConfigurations 108 * @return the ServerLocator 109 */ 110 public static ServerLocator createServerLocatorWithoutHA(TransportConfiguration... transportConfigurations) 111 { 112 return new ServerLocatorImpl(false, transportConfigurations); 113 } 114 115 /** 116 * Create a ServerLocator which creates session factories from a set of live servers, no HA backup information is propagated to the client 117 * 118 * The UDP address and port are used to listen for live servers in the cluster 119 * 120 * @param discoveryAddress The UDP group address to listen for updates 121 * @param discoveryPort the UDP port to listen for updates 122 * @return the ServerLocator 123 */ 124 public static ServerLocator createServerLocatorWithoutHA(final DiscoveryGroupConfiguration groupConfiguration) 125 { 126 return new ServerLocatorImpl(false, groupConfiguration); 127 } 128 129 /** 130 * Create a ServerLocator which will receive cluster topology updates from the cluster as servers leave or join and new backups are appointed or removed. 131 * The initial list of servers supplied in this method is simply to make an initial connection to the cluster, once that connection is made, up to date 132 * cluster topology information is downloaded and automatically updated whenever the cluster topology changes. If the topology includes backup servers 133 * that information is also propagated to the client so that it can know which server to failover onto in case of live server failure. 134 * @param initialServers The initial set of servers used to make a connection to the cluster. Each one is tried in turn until a successful connection is made. Once 135 * a connection is made, the cluster topology is downloaded and the rest of the list is ignored. 136 * @return the ServerLocator 137 */ 138 public static ServerLocator createServerLocatorWithHA(TransportConfiguration... initialServers) 139 { 140 return new ServerLocatorImpl(true, initialServers); 141 } 142 143 /** 144 * Create a ServerLocator which will receive cluster topology updates from the cluster as servers leave or join and new backups are appointed or removed. 145 * The discoveryAddress and discoveryPort parameters in this method are used to listen for UDP broadcasts which contain connection information for members of the cluster. 146 * The broadcasted connection information is simply used to make an initial connection to the cluster, once that connection is made, up to date 147 * cluster topology information is downloaded and automatically updated whenever the cluster topology changes. If the topology includes backup servers 148 * that information is also propagated to the client so that it can know which server to failover onto in case of live server failure. 149 * @param discoveryAddress The UDP group address to listen for updates 150 * @param discoveryPort the UDP port to listen for updates 151 * @return the ServerLocator 152 */ 153 public static ServerLocator createServerLocatorWithHA(final DiscoveryGroupConfiguration groupConfiguration) 154 { 155 return new ServerLocatorImpl(true, groupConfiguration); 156 } 157 158 159 private HornetQClient() 160 { 161 } 162}