/*
 * 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.transport.amqp.client;

import org.apache.qpid.proton.amqp.Binary;

/**
 * Wrapper For Transaction state in identification
 */
public class AmqpTransactionId {

   public static final int DECLARE_MARKER = 1;
   public static final int ROLLBACK_MARKER = 2;
   public static final int COMMIT_MARKER = 3;

   private final String txId;
   private Binary remoteTxId;
   private int state = DECLARE_MARKER;

   public AmqpTransactionId(String txId) {
      this.txId = txId;
   }

   public boolean isDeclare() {
      return state == DECLARE_MARKER;
   }

   public boolean isCommit() {
      return state == COMMIT_MARKER;
   }

   public boolean isRollback() {
      return state == ROLLBACK_MARKER;
   }

   public void setState(int state) {
      this.state = state;
   }

   public String getTxId() {
      return txId;
   }

   public Binary getRemoteTxId() {
      return remoteTxId;
   }

   public void setRemoteTxId(Binary remoteTxId) {
      this.remoteTxId = remoteTxId;
   }

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((txId == null) ? 0 : txId.hashCode());
      return result;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj) {
         return true;
      }
      if (obj == null) {
         return false;
      }
      if (getClass() != obj.getClass()) {
         return false;
      }

      AmqpTransactionId other = (AmqpTransactionId) obj;
      if (txId == null) {
         if (other.txId != null) {
            return false;
         }
      } else if (!txId.equals(other.txId)) {
         return false;
      }

      return true;
   }
}
