All Downloads are FREE. Search and download functionalities are using the official Maven repository.

io.helidon.docs.mp.reactivemessaging.JmsSnippets Maven / Gradle / Ivy

/*
 * Copyright (c) 2024 Oracle and/or its affiliates.
 *
 * Licensed 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 io.helidon.docs.mp.reactivemessaging;

import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;

import javax.jms.ConnectionFactory;

import io.helidon.config.Config;
import io.helidon.messaging.connectors.jms.JmsMessage;

import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Named;
import jakarta.jms.TextMessage;
import jakarta.ws.rs.Produces;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.eclipse.microprofile.reactive.messaging.Acknowledgment;
import org.eclipse.microprofile.reactive.messaging.Incoming;
import org.eclipse.microprofile.reactive.messaging.Message;
import org.eclipse.microprofile.reactive.messaging.Outgoing;
import org.eclipse.microprofile.reactive.streams.operators.PublisherBuilder;
import org.eclipse.microprofile.reactive.streams.operators.ReactiveStreams;

@SuppressWarnings("ALL")
class JmsSnippets {

    // stub
    static final Config config = Config.global();

    class Snippet1 {

        // tag::snippet_1[]
        @Produces
        @ApplicationScoped
        @Named("active-mq-factory")
        public ConnectionFactory connectionFactory() {
            return new ActiveMQConnectionFactory(config.get("jms.url").asString().get());
        }
        // end::snippet_1[]
    }

    class Snippet2 {

        // tag::snippet_2[]
        @Incoming("from-jms")
        public void consumeJms(String msg) {
            System.out.println("JMS says: " + msg);
        }
        // end::snippet_2[]
    }

    class Snippet3 {

        // tag::snippet_3[]
        @Incoming("from-jms")
        @Acknowledgment(Acknowledgment.Strategy.MANUAL)
        public CompletionStage consumeJms(JmsMessage msg) {
            System.out.println("JMS says: " + msg.getPayload());
            return msg.ack();
        }
        // end::snippet_3[]
    }

    class Snippet4 {

        // tag::snippet_4[]
        @Outgoing("to-jms")
        public PublisherBuilder produceToJms() {
            return ReactiveStreams.of("test1", "test2");
        }
        // end::snippet_4[]
    }

    class Snippet5 {

        // tag::snippet_5[]
        @Outgoing("to-jms")
        public PublisherBuilder> produceToJms() {
            return ReactiveStreams.of("test1", "test2")
                    .map(s -> JmsMessage.builder(s)
                            .correlationId(UUID.randomUUID().toString())
                            .property("stringProp", "cool property")
                            .property("byteProp", 4)
                            .property("intProp", 5)
                            .onAck(() -> CompletableFuture.completedStage(null)
                                    .thenRun(() -> System.out.println("Acked!")))
                            .build());
        }
        // end::snippet_5[]
    }

    class Snippet6 {

        // tag::snippet_6[]
        @Outgoing("to-jms")
        public PublisherBuilder> produceToJms() {
            return ReactiveStreams.of("test1", "test2")
                    .map(s -> JmsMessage.builder(s)
                            .customMapper((p, session) -> {
                                TextMessage textMessage = session.createTextMessage(p);
                                textMessage.setStringProperty("custom-mapped-property", "XXX" + p);
                                return textMessage;
                            })
                            .build()
                    );
        }
        // end::snippet_6[]
    }

}




© 2015 - 2025 Weber Informatics LLC | Privacy Policy