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.state; 018 019 import java.util.ArrayList; 020 import java.util.List; 021 import java.util.Map; 022 import java.util.concurrent.ConcurrentHashMap; 023 import java.util.concurrent.atomic.AtomicBoolean; 024 025 import org.apache.activemq.command.Command; 026 import org.apache.activemq.command.ProducerId; 027 import org.apache.activemq.command.TransactionId; 028 029 public class TransactionState { 030 031 private final List<Command> commands = new ArrayList<Command>(); 032 private final TransactionId id; 033 private final AtomicBoolean shutdown = new AtomicBoolean(false); 034 private boolean prepared; 035 private int preparedResult; 036 private final Map<ProducerId, ProducerState> producers = new ConcurrentHashMap<ProducerId, ProducerState>(); 037 038 public TransactionState(TransactionId id) { 039 this.id = id; 040 } 041 042 public String toString() { 043 return id.toString(); 044 } 045 046 public void addCommand(Command operation) { 047 checkShutdown(); 048 commands.add(operation); 049 } 050 051 public List<Command> getCommands() { 052 return commands; 053 } 054 055 private void checkShutdown() { 056 if (shutdown.get()) { 057 throw new IllegalStateException("Disposed"); 058 } 059 } 060 061 public void shutdown() { 062 shutdown.set(false); 063 } 064 065 public TransactionId getId() { 066 return id; 067 } 068 069 public void setPrepared(boolean prepared) { 070 this.prepared = prepared; 071 } 072 073 public boolean isPrepared() { 074 return prepared; 075 } 076 077 public void setPreparedResult(int preparedResult) { 078 this.preparedResult = preparedResult; 079 } 080 081 public int getPreparedResult() { 082 return preparedResult; 083 } 084 085 public void addProducerState(ProducerState producerState) { 086 if (producerState != null) { 087 producers.put(producerState.getInfo().getProducerId(), producerState); 088 } 089 } 090 091 public Map<ProducerId, ProducerState> getProducerStates() { 092 return producers; 093 } 094 095 }