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 */
017package org.apache.activemq.state;
018
019import java.util.ArrayList;
020import java.util.List;
021import java.util.Map;
022import java.util.concurrent.ConcurrentHashMap;
023import java.util.concurrent.atomic.AtomicBoolean;
024
025import org.apache.activemq.command.Command;
026import org.apache.activemq.command.ProducerId;
027import org.apache.activemq.command.TransactionId;
028
029public 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}