Change streams->stream

spring-cloud-stream-samples/double/src/main/java/config/SinkModuleDefinition.java

@@ -0,0 +1,44 @@
+/*
+ * 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 config;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.springframework.cloud.stream.annotation.EnableModule;
+import org.springframework.cloud.stream.annotation.Input;
+import org.springframework.integration.annotation.ServiceActivator;
+import org.springframework.messaging.MessageChannel;
+
+/**
+ * @author Dave Syer
+ * @author Marius Bogoevici
+ */
+@EnableModule
+public class SinkModuleDefinition {
+
+	private static Logger logger = LoggerFactory.getLogger(SinkModuleDefinition.class);
+
+	@Input
+	public MessageChannel input;
+
+	@ServiceActivator(inputChannel="input")
+	public void loggerSink(Object payload) {
+		logger.info("Received: " + payload);
+	}
+
+}

spring-cloud-stream-samples/double/src/main/java/config/SourceModuleDefinition.java

@@ -0,0 +1,51 @@
+/*
+ * 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 config;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.cloud.stream.annotation.EnableModule;
+import org.springframework.cloud.stream.annotation.Output;
+import org.springframework.context.annotation.Bean;
+import org.springframework.integration.annotation.InboundChannelAdapter;
+import org.springframework.integration.annotation.Poller;
+import org.springframework.integration.core.MessageSource;
+import org.springframework.messaging.MessageChannel;
+import org.springframework.messaging.support.GenericMessage;
+
+/**
+ * @author Dave Syer
+ * @author Marius Bogoevici
+ */
+@EnableModule
+public class SourceModuleDefinition {
+
+	@Value("${format:YYYY/MM/dd hh:mm:ss}")
+	private String format;
+
+	@Output
+	public MessageChannel output;
+
+	@Bean
+	@InboundChannelAdapter(value = "output", autoStartup = "false", poller = @Poller(fixedDelay = "${fixedDelay}", maxMessagesPerPoll = "1"))
+	public MessageSource<String> timerMessageSource() {
+		return () -> new GenericMessage<>(new SimpleDateFormat(this.format).format(new Date()));
+	}
+
+}

spring-cloud-stream-samples/double/src/main/java/demo/DoubleApplication.java

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+package demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.stream.aggregate.AggregateBuilder;
+import org.springframework.cloud.stream.aggregate.AggregateConfigurer;
+
+import config.SinkModuleDefinition;
+import config.SourceModuleDefinition;
+
+@SpringBootApplication
+public class DoubleApplication implements AggregateConfigurer {
+
+	@Override
+	public void configure(AggregateBuilder builder) {
+		builder.from(SourceModuleDefinition.class).as("source")
+		.to(SinkModuleDefinition.class).as("sink");
+	}
+
+	public static void main(String[] args) throws InterruptedException {
+		SpringApplication.run(DoubleApplication.class, args);
+	}
+
+}

spring-cloud-stream-samples/double/src/main/resources/application.yml

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+  

spring-cloud-stream-samples/double/src/main/resources/sink.yml

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+spring:
+  cloud:
+    channels:
+      inputChannelName: testtock
+  

spring-cloud-stream-samples/double/src/main/resources/source.yml

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+fixedDelay: 5000
+spring:
+  cloud:
+    channels:
+      outputChannelName: testtock
+  

spring-cloud-stream-samples/double/src/test/java/demo/ModuleApplicationTests.java

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+package demo;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = DoubleApplication.class)
+@WebAppConfiguration
+@DirtiesContext
+public class ModuleApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}