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/*
 * 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.artemis.rest.queue;

import org.apache.activemq.artemis.api.core.client.ClientMessage;

public class Acknowledgement {

   private final String ackToken;
   private final ClientMessage message;
   private boolean wasSet;
   private boolean acknowledged;

   public Acknowledgement(String ackToken, ClientMessage message) {
      this.ackToken = ackToken;
      this.message = message;
   }

   public String getAckToken() {
      return ackToken;
   }

   public ClientMessage getMessage() {
      return message;
   }

   public boolean wasSet() {
      return wasSet;
   }

   public void acknowledge() {
      if (wasSet)
         throw new RuntimeException("Ack state is immutable");
      wasSet = true;
      acknowledged = true;
   }

   public void unacknowledge() {
      if (wasSet)
         throw new RuntimeException("Ack state is immutable");
      wasSet = true;
   }

   public boolean isAcknowledged() {
      return acknowledged;
   }
}