Move samples from spring-cloud-stream

multibinder/src/main/java/multibinder/BridgeTransformer.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * 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 multibinder;
+
+import org.springframework.cloud.stream.annotation.EnableBinding;
+import org.springframework.cloud.stream.messaging.Processor;
+import org.springframework.integration.annotation.ServiceActivator;
+
+/**
+ * @author Marius Bogoevici
+ */
+@EnableBinding(Processor.class)
+public class BridgeTransformer {
+
+	@ServiceActivator(inputChannel = Processor.INPUT, outputChannel = Processor.OUTPUT)
+	public Object transform(Object payload) {
+		return payload;
+	}
+}

multibinder/src/main/java/multibinder/MultibinderApplication.java

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+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * 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 multibinder;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class MultibinderApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(MultibinderApplication.class, args);
+	}
+
+}

multibinder/src/main/resources/application.yml

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+server:
+  port: 8082
+spring:
+  cloud:
+    stream:
+      bindings:
+        input:
+          destination: dataIn
+          binder: redis
+        output:
+          destination: dataOut
+          binder: rabbit

multibinder/src/test/java/multibinder/RabbitAndRedisBinderApplicationTests.java

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+/*
+ * Copyright 2015-2016 the original author or authors.
+ *
+ * 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 multibinder;
+
+import java.util.UUID;
+
+import org.hamcrest.CoreMatchers;
+import org.hamcrest.Matchers;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.amqp.rabbit.core.RabbitAdmin;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.cloud.stream.binder.BinderFactory;
+import org.springframework.cloud.stream.test.junit.rabbit.RabbitTestSupport;
+import org.springframework.cloud.stream.test.junit.redis.RedisTestSupport;
+import org.springframework.integration.channel.DirectChannel;
+import org.springframework.integration.channel.QueueChannel;
+import org.springframework.messaging.Message;
+import org.springframework.messaging.MessageChannel;
+import org.springframework.messaging.support.MessageBuilder;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+/**
+ * @author Marius Bogoevici
+ * @author Gary Russell
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = MultibinderApplication.class)
+@WebAppConfiguration
+@DirtiesContext
+public class RabbitAndRedisBinderApplicationTests {
+
+	@ClassRule
+	public static RabbitTestSupport rabbitTestSupport = new RabbitTestSupport();
+
+	@ClassRule
+	public static RedisTestSupport redisTestSupport = new RedisTestSupport();
+
+	@Autowired
+	private BinderFactory<MessageChannel> binderFactory;
+
+	private final String randomGroup = UUID.randomUUID().toString();
+
+	@After
+	public void cleanUp() {
+		RabbitAdmin admin = new RabbitAdmin(rabbitTestSupport.getResource());
+		admin.deleteQueue("binder.dataOut.default");
+		admin.deleteQueue("binder.dataOut." + this.randomGroup);
+		admin.deleteExchange("binder.dataOut");
+	}
+
+	@Test
+	public void contextLoads() {
+	}
+
+	@Test
+	public void messagingWorks() {
+		DirectChannel dataProducer = new DirectChannel();
+		binderFactory.getBinder("redis").bindProducer("dataIn", dataProducer, null);
+
+		QueueChannel dataConsumer = new QueueChannel();
+		binderFactory.getBinder("rabbit").bindConsumer("dataOut", this.randomGroup,
+				dataConsumer, null);
+
+		String testPayload = "testFoo" + this.randomGroup;
+		dataProducer.send(MessageBuilder.withPayload(testPayload).build());
+
+		Message<?> receive = dataConsumer.receive(2000);
+		Assert.assertThat(receive, Matchers.notNullValue());
+		Assert.assertThat(receive.getPayload(), CoreMatchers.equalTo(testPayload));
+	}
+
+}