| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| package org.apache.activemq.state; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.activemq.command.ConsumerId; |
| import org.apache.activemq.command.ConsumerInfo; |
| import org.apache.activemq.command.ProducerId; |
| import org.apache.activemq.command.ProducerInfo; |
| import org.apache.activemq.command.SessionInfo; |
| |
| public class SessionState { |
| final SessionInfo info; |
| |
| private final Map<ProducerId, ProducerState> producers = new ConcurrentHashMap<ProducerId, ProducerState>(); |
| private final Map<ConsumerId, ConsumerState> consumers = new ConcurrentHashMap<ConsumerId, ConsumerState>(); |
| private final AtomicBoolean shutdown = new AtomicBoolean(false); |
| |
| public SessionState(SessionInfo info) { |
| this.info = info; |
| } |
| |
| public String toString() { |
| return info.toString(); |
| } |
| |
| public void addProducer(ProducerInfo info) { |
| checkShutdown(); |
| producers.put(info.getProducerId(), new ProducerState(info)); |
| } |
| |
| public ProducerState removeProducer(ProducerId id) { |
| ProducerState producerState = producers.remove(id); |
| if (producerState != null) { |
| if (producerState.getTransactionState() != null) { |
| // allow the transaction to recreate dependent producer on recovery |
| producerState.getTransactionState().addProducerState(producerState); |
| } |
| } |
| return producerState; |
| } |
| |
| public void addConsumer(ConsumerInfo info) { |
| checkShutdown(); |
| consumers.put(info.getConsumerId(), new ConsumerState(info)); |
| } |
| |
| public ConsumerState removeConsumer(ConsumerId id) { |
| return consumers.remove(id); |
| } |
| |
| public SessionInfo getInfo() { |
| return info; |
| } |
| |
| public Set<ConsumerId> getConsumerIds() { |
| return consumers.keySet(); |
| } |
| |
| public Set<ProducerId> getProducerIds() { |
| return producers.keySet(); |
| } |
| |
| public Collection<ProducerState> getProducerStates() { |
| return producers.values(); |
| } |
| |
| public ProducerState getProducerState(ProducerId producerId) { |
| return producers.get(producerId); |
| } |
| |
| public Collection<ConsumerState> getConsumerStates() { |
| return consumers.values(); |
| } |
| |
| public ConsumerState getConsumerState(ConsumerId consumerId) { |
| return consumers.get(consumerId); |
| } |
| |
| private void checkShutdown() { |
| if (shutdown.get()) { |
| throw new IllegalStateException("Disposed"); |
| } |
| } |
| |
| public void shutdown() { |
| shutdown.set(false); |
| } |
| |
| } |