001package ca.uhn.fhir.jpa.subscription.channel.impl;
002
003/*-
004 * #%L
005 * HAPI FHIR Subscription Server
006 * %%
007 * Copyright (C) 2014 - 2021 Smile CDR, Inc.
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import ca.uhn.fhir.jpa.subscription.channel.api.IChannelProducer;
024import ca.uhn.fhir.jpa.subscription.channel.api.IChannelReceiver;
025import org.springframework.messaging.support.ExecutorSubscribableChannel;
026
027import java.util.concurrent.BlockingQueue;
028import java.util.concurrent.ThreadPoolExecutor;
029
030public class LinkedBlockingChannel extends ExecutorSubscribableChannel implements IChannelProducer, IChannelReceiver {
031
032        private final String myName;
033        private final BlockingQueue<?> myQueue;
034
035        public LinkedBlockingChannel(String theName, ThreadPoolExecutor theExecutor, BlockingQueue<?> theQueue) {
036                super(theExecutor);
037                myName = theName;
038                myQueue = theQueue;
039        }
040
041        public int getQueueSizeForUnitTest() {
042                return myQueue.size();
043        }
044
045        public void clearInterceptorsForUnitTest() {
046                while (getInterceptors().size() > 0) {
047                        removeInterceptor(0);
048                }
049        }
050
051        @Override
052        public String getName() {
053                return myName;
054        }
055
056        @Override
057        public void destroy() {
058                // nothing
059        }
060}