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    private final long createdAt = System.currentTimeMillis();
038
039    public TransactionState(TransactionId id) {
040        this.id = id;
041    }
042
043    public String toString() {
044        return id.toString();
045    }
046
047    public void addCommand(Command operation) {
048        checkShutdown();
049        commands.add(operation);
050    }
051
052    public List<Command> getCommands() {
053        return commands;
054    }
055
056    private void checkShutdown() {
057        if (shutdown.get()) {
058            throw new IllegalStateException("Disposed");
059        }
060    }
061
062    public void shutdown() {
063        shutdown.set(false);
064    }
065
066    public TransactionId getId() {
067        return id;
068    }
069
070    public void setPrepared(boolean prepared) {
071        this.prepared = prepared;
072    }
073
074    public boolean isPrepared() {
075        return prepared;
076    }
077
078    public void setPreparedResult(int preparedResult) {
079        this.preparedResult = preparedResult;
080    }
081
082    public int getPreparedResult() {
083        return preparedResult;
084    }
085
086    public void addProducerState(ProducerState producerState) {
087        if (producerState != null) {
088            producers.put(producerState.getInfo().getProducerId(), producerState);
089        }
090    }
091
092    public Map<ProducerId, ProducerState> getProducerStates() {
093        return producers;
094    }
095
096    public long getCreatedAt() {
097        return createdAt;
098    }
099}