001/*-
002 * #%L
003 * HAPI FHIR Storage api
004 * %%
005 * Copyright (C) 2014 - 2025 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.jpa.subscription.channel.config;
021
022import ca.uhn.fhir.broker.api.IBrokerClient;
023import ca.uhn.fhir.broker.api.IChannelNamer;
024import ca.uhn.fhir.broker.impl.LinkedBlockingBrokerClient;
025import ca.uhn.fhir.jpa.subscription.channel.impl.LinkedBlockingChannelFactory;
026import ca.uhn.fhir.jpa.subscription.channel.impl.RetryPolicyProvider;
027import ca.uhn.fhir.jpa.subscription.channel.subscription.SubscriptionChannelFactory;
028import org.springframework.beans.factory.annotation.Autowired;
029import org.springframework.context.annotation.Bean;
030import org.springframework.context.annotation.Configuration;
031
032@Configuration
033public class SubscriptionChannelConfig {
034
035        /**
036         * We are autowiring this because we need to override retry policy
037         * in some tests
038         */
039        @Autowired
040        private RetryPolicyProvider myRetryPolicyProvider;
041
042        /**
043         * Create a @Primary @Bean if you need a different implementation
044         */
045        @Bean
046        public LinkedBlockingChannelFactory queueChannelFactory(IChannelNamer theChannelNamer) {
047                return new LinkedBlockingChannelFactory(theChannelNamer, myRetryPolicyProvider);
048        }
049
050        @Bean
051        public IBrokerClient brokerClient(IChannelNamer theChannelNamer) {
052                return new LinkedBlockingBrokerClient(theChannelNamer);
053        }
054
055        @Bean
056        public RetryPolicyProvider retryPolicyProvider() {
057                return new RetryPolicyProvider();
058        }
059
060        @Bean
061        public SubscriptionChannelFactory subscriptionChannelFactory(IBrokerClient theBrokerClient) {
062                return new SubscriptionChannelFactory(theBrokerClient);
063        }
064
065        /**
066         * Create a @Primary @Bean if you need a different implementation
067         */
068        @Bean
069        // Default implementation returns the name unchanged
070        public IChannelNamer channelNamer() {
071                return (theNameComponent, theChannelSettings) -> theNameComponent;
072        }
073}