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 package org.apache.activemq.broker;
018
019 import java.util.ArrayList;
020 import java.util.HashMap;
021 import java.util.List;
022 import java.util.Map;
023 import java.util.concurrent.ConcurrentHashMap;
024
025 import org.apache.activemq.command.ConnectionId;
026 import org.apache.activemq.command.ConsumerId;
027 import org.apache.activemq.command.ProducerId;
028 import org.apache.activemq.command.SessionId;
029
030 /**
031 *
032 */
033
034 public class MapTransportConnectionStateRegister implements TransportConnectionStateRegister{
035
036 private Map <ConnectionId,TransportConnectionState>connectionStates = new ConcurrentHashMap<ConnectionId,TransportConnectionState>();
037
038 public TransportConnectionState registerConnectionState(ConnectionId connectionId,
039 TransportConnectionState state) {
040 TransportConnectionState rc = connectionStates.put(connectionId, state);
041 return rc;
042 }
043
044 public TransportConnectionState unregisterConnectionState(ConnectionId connectionId) {
045 TransportConnectionState rc = connectionStates.remove(connectionId);
046 if (rc.getReferenceCounter().get() > 1) {
047 rc.decrementReference();
048 connectionStates.put(connectionId, rc);
049 }
050 return rc;
051 }
052
053 public List<TransportConnectionState> listConnectionStates() {
054
055 List<TransportConnectionState> rc = new ArrayList<TransportConnectionState>();
056 rc.addAll(connectionStates.values());
057 return rc;
058 }
059
060 public TransportConnectionState lookupConnectionState(String connectionId) {
061 return connectionStates.get(new ConnectionId(connectionId));
062 }
063
064 public TransportConnectionState lookupConnectionState(ConsumerId id) {
065 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
066 if (cs == null) {
067 throw new IllegalStateException(
068 "Cannot lookup a consumer from a connection that had not been registered: "
069 + id.getParentId().getParentId());
070 }
071 return cs;
072 }
073
074 public TransportConnectionState lookupConnectionState(ProducerId id) {
075 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
076 if (cs == null) {
077 throw new IllegalStateException(
078 "Cannot lookup a producer from a connection that had not been registered: "
079 + id.getParentId().getParentId());
080 }
081 return cs;
082 }
083
084 public TransportConnectionState lookupConnectionState(SessionId id) {
085 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
086 if (cs == null) {
087 throw new IllegalStateException(
088 "Cannot lookup a session from a connection that had not been registered: "
089 + id.getParentId());
090 }
091 return cs;
092 }
093
094 public TransportConnectionState lookupConnectionState(ConnectionId connectionId) {
095 TransportConnectionState cs = connectionStates.get(connectionId);
096 if (cs == null) {
097 throw new IllegalStateException("Cannot lookup a connection that had not been registered: "
098 + connectionId);
099 }
100 return cs;
101 }
102
103
104
105 public boolean doesHandleMultipleConnectionStates() {
106 return true;
107 }
108
109 public boolean isEmpty() {
110 return connectionStates.isEmpty();
111 }
112
113 public void clear() {
114 connectionStates.clear();
115
116 }
117
118 public void intialize(TransportConnectionStateRegister other) {
119 connectionStates.clear();
120 connectionStates.putAll(other.mapStates());
121
122 }
123
124 public Map<ConnectionId, TransportConnectionState> mapStates() {
125 HashMap<ConnectionId, TransportConnectionState> map = new HashMap<ConnectionId, TransportConnectionState>(connectionStates);
126 return map;
127 }
128
129 }