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.artemis.tests.integration.amqp.largemessages;
  
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import java.util.NoSuchElementException;
  
  import org.apache.activemq.artemis.core.postoffice.QueueBinding;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.MessageReference;
  import org.apache.activemq.artemis.core.server.Queue;
  import org.apache.activemq.artemis.protocol.amqp.broker.AMQPLargeMessage;
  import org.apache.activemq.artemis.utils.Wait;
  import org.apache.activemq.artemis.utils.collections.LinkedListIterator;
  
  public class AMQPLargeMessagesTestUtil {
  
  
     public static void validateAllTemporaryBuffers(ActiveMQServer server) {
        server.getPostOffice().getAllBindings()
           .filter(QueueBinding.class::isInstance)
           .forEach(binding -> validateTemporaryBuffers(((QueueBinding) binding).getQueue()));
     }
  
     public static void validateTemporaryBuffers(Queue serverQueue) {
        LinkedListIterator<MessageReference> totalIterator = serverQueue.browserIterator();
        try {
           while (totalIterator.hasNext()) {
              MessageReference ref = totalIterator.next();
              if (ref.getMessage() instanceof AMQPLargeMessage amqpLargeMessage) {
                 // Using a Wait.waitFor here as we may have something working with the buffer in parallel
                 Wait.waitFor(() -> amqpLargeMessage.inspectTemporaryBuffer() == null, 1000, 10);
                 assertNull(amqpLargeMessage.inspectTemporaryBuffer(), "Temporary buffers are being retained");
              }
           }
        } catch (NoSuchElementException e) {
           // that's ok
        }
        totalIterator.close();
     }
  
  }
  