Migrate some code from prototype

spring-xd-samples/source/src/main/java/config/ModuleDefinition.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 config;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.integration.annotation.InboundChannelAdapter;
+import org.springframework.integration.annotation.Poller;
+import org.springframework.integration.channel.DirectChannel;
+import org.springframework.integration.core.MessageSource;
+import org.springframework.messaging.MessageChannel;
+import org.springframework.messaging.support.GenericMessage;
+
+/**
+ * @author Dave Syer
+ *
+ */
+@Configuration
+public class ModuleDefinition {
+
+	@Value("${format}")
+	private String format;
+
+	@Bean
+	public MessageChannel output() {
+		return new DirectChannel();
+	}
+
+	@Bean
+	@InboundChannelAdapter(value = "output", autoStartup = "false", poller = @Poller(fixedDelay = "${fixedDelay}", maxMessagesPerPoll = "1"))
+	public MessageSource<String> timerMessageSource() {
+		return () -> new GenericMessage<>(new SimpleDateFormat(format).format(new Date()));
+	}
+
+}

spring-xd-samples/source/src/main/java/demo/SourceApplication.java

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+package demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.bus.runner.EnableMessageBus;
+import org.springframework.context.annotation.ComponentScan;
+
+import config.ModuleDefinition;
+
+@SpringBootApplication
+@EnableMessageBus
+@ComponentScan(basePackageClasses=ModuleDefinition.class)
+public class SourceApplication {
+
+	public static void main(String[] args) throws InterruptedException {
+		SpringApplication.run(SourceApplication.class, args);
+	}
+
+}

spring-xd-samples/source/src/main/resources/application.yml

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+fixedDelay: 5000
+
+---
+xd:
+  messagebus:
+    redis:
+      headers:
+        # comma-delimited list of additional (string-valued) header names to transport
+      default:
+        # default bus properties, if not specified at the module level
+        backOffInitialInterval:    1000
+        backOffMaxInterval:        10000
+        backOffMultiplier:         2.0
+        concurrency:               1
+        maxAttempts:               3

spring-xd-samples/source/src/main/resources/bootstrap.yml

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+---
+spring:
+  bus:
+    group: testtock
+    name: ticker

spring-xd-samples/source/src/main/resources/config/ticker.properties

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+options_class = org.springframework.xd.dirt.modules.metadata.TimeSourceOptionsMetadata
+base_packages = config

spring-xd-samples/source/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 = SourceApplication.class)
+@WebAppConfiguration
+@DirtiesContext
+public class ModuleApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}