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 */
017
018 package org.apache.activemq.state;
019
020 import java.util.ArrayList;
021 import java.util.Collection;
022 import java.util.Collections;
023 import java.util.HashMap;
024 import java.util.Iterator;
025 import java.util.List;
026 import java.util.Map;
027 import java.util.Set;
028 import java.util.concurrent.ConcurrentHashMap;
029 import java.util.concurrent.atomic.AtomicBoolean;
030
031 import org.apache.activemq.command.ActiveMQDestination;
032 import org.apache.activemq.command.ConnectionInfo;
033 import org.apache.activemq.command.ConsumerId;
034 import org.apache.activemq.command.ConsumerInfo;
035 import org.apache.activemq.command.DestinationInfo;
036 import org.apache.activemq.command.SessionId;
037 import org.apache.activemq.command.SessionInfo;
038 import org.apache.activemq.command.TransactionId;
039
040 public class ConnectionState {
041
042 ConnectionInfo info;
043 private final ConcurrentHashMap<TransactionId, TransactionState> transactions = new ConcurrentHashMap<TransactionId, TransactionState>();
044 private final ConcurrentHashMap<SessionId, SessionState> sessions = new ConcurrentHashMap<SessionId, SessionState>();
045 private final List<DestinationInfo> tempDestinations = Collections.synchronizedList(new ArrayList<DestinationInfo>());
046 private final AtomicBoolean shutdown = new AtomicBoolean(false);
047 private boolean connectionInterruptProcessingComplete = true;
048 private HashMap<ConsumerId, ConsumerInfo> recoveringPullConsumers;
049
050 public ConnectionState(ConnectionInfo info) {
051 this.info = info;
052 // Add the default session id.
053 addSession(new SessionInfo(info, -1));
054 }
055
056 public String toString() {
057 return info.toString();
058 }
059
060 public void reset(ConnectionInfo info) {
061 this.info = info;
062 transactions.clear();
063 sessions.clear();
064 tempDestinations.clear();
065 shutdown.set(false);
066 // Add the default session id.
067 addSession(new SessionInfo(info, -1));
068 }
069
070 public void addTempDestination(DestinationInfo info) {
071 checkShutdown();
072 tempDestinations.add(info);
073 }
074
075 public void removeTempDestination(ActiveMQDestination destination) {
076 for (Iterator<DestinationInfo> iter = tempDestinations.iterator(); iter.hasNext();) {
077 DestinationInfo di = iter.next();
078 if (di.getDestination().equals(destination)) {
079 iter.remove();
080 }
081 }
082 }
083
084 public void addTransactionState(TransactionId id) {
085 checkShutdown();
086 transactions.put(id, new TransactionState(id));
087 }
088
089 public TransactionState getTransactionState(TransactionId id) {
090 return transactions.get(id);
091 }
092
093 public Collection<TransactionState> getTransactionStates() {
094 return transactions.values();
095 }
096
097 public TransactionState removeTransactionState(TransactionId id) {
098 return transactions.remove(id);
099 }
100
101 public void addSession(SessionInfo info) {
102 checkShutdown();
103 sessions.put(info.getSessionId(), new SessionState(info));
104 }
105
106 public SessionState removeSession(SessionId id) {
107 return sessions.remove(id);
108 }
109
110 public SessionState getSessionState(SessionId id) {
111 return sessions.get(id);
112 }
113
114 public ConnectionInfo getInfo() {
115 return info;
116 }
117
118 public Set<SessionId> getSessionIds() {
119 return sessions.keySet();
120 }
121
122 public List<DestinationInfo> getTempDestinations() {
123 return tempDestinations;
124 }
125
126 public Collection<SessionState> getSessionStates() {
127 return sessions.values();
128 }
129
130 private void checkShutdown() {
131 if (shutdown.get()) {
132 throw new IllegalStateException("Disposed");
133 }
134 }
135
136 public void shutdown() {
137 if (shutdown.compareAndSet(false, true)) {
138 for (Iterator<SessionState> iter = sessions.values().iterator(); iter.hasNext();) {
139 SessionState ss = iter.next();
140 ss.shutdown();
141 }
142 }
143 }
144
145 public Map<ConsumerId, ConsumerInfo> getRecoveringPullConsumers() {
146 if (recoveringPullConsumers == null) {
147 recoveringPullConsumers = new HashMap<ConsumerId, ConsumerInfo>();
148 }
149 return recoveringPullConsumers;
150 }
151
152 public void setConnectionInterruptProcessingComplete(boolean connectionInterruptProcessingComplete) {
153 this.connectionInterruptProcessingComplete = connectionInterruptProcessingComplete;
154 }
155
156 public boolean isConnectionInterruptProcessingComplete() {
157 return connectionInterruptProcessingComplete;
158 }
159 }