content: /**
   * 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.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.apache.activemq.command.Command;
  import org.apache.activemq.command.ProducerId;
  import org.apache.activemq.command.TransactionId;
  
  public class TransactionState {
  
      private final List<Command> commands = new ArrayList<Command>();
      private final TransactionId id;
      private final AtomicBoolean shutdown = new AtomicBoolean(false);
      private boolean prepared;
      private int preparedResult;
      private final Map<ProducerId, ProducerState> producers = new ConcurrentHashMap<ProducerId, ProducerState>();
      private final long createdAt = System.currentTimeMillis();
  
      public TransactionState(TransactionId id) {
          this.id = id;
      }
  
      public String toString() {
          return id.toString();
      }
  
      public void addCommand(Command operation) {
          checkShutdown();
          commands.add(operation);
      }
  
      public List<Command> getCommands() {
          return commands;
      }
  
      private void checkShutdown() {
          if (shutdown.get()) {
              throw new IllegalStateException("Disposed");
          }
      }
  
      public void shutdown() {
          shutdown.set(false);
      }
  
      public TransactionId getId() {
          return id;
      }
  
      public void setPrepared(boolean prepared) {
          this.prepared = prepared;
      }
  
      public boolean isPrepared() {
          return prepared;
      }
  
      public void setPreparedResult(int preparedResult) {
          this.preparedResult = preparedResult;
      }
  
      public int getPreparedResult() {
          return preparedResult;
      }
  
      public void addProducerState(ProducerState producerState) {
          if (producerState != null) {
              producers.put(producerState.getInfo().getProducerId(), producerState);
          }
      }
  
      public Map<ProducerId, ProducerState> getProducerStates() {
          return producers;
      }
  
      public long getCreatedAt() {
          return createdAt;
      }
  }
  