Added odd-even routing demo

spring-integration-core/src/main/java/org/springframework/integration/samples/oddeven/Counter.java

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+/*
+ * Copyright 2002-2007 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 org.springframework.integration.samples.oddeven;
+
+import org.springframework.integration.endpoint.annotation.MessageEndpoint;
+import org.springframework.integration.endpoint.annotation.Polled;
+import org.springframework.integration.handler.annotation.Router;
+
+/**
+ * @author Mark Fisher
+ */
+@MessageEndpoint
+public class Counter {
+
+	private volatile int count = 1;
+
+	@Polled(period=3000)
+	public int getNumber() {
+		return count++;
+	}
+
+	@Router
+	public String resolveChannel(int i) {
+		if (i % 2 == 0) {
+			return "even";
+		}
+		return "odd";
+	}
+
+}

spring-integration-core/src/main/java/org/springframework/integration/samples/oddeven/NumberLogger.java

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+/*
+ * Copyright 2002-2007 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 org.springframework.integration.samples.oddeven;
+
+import org.springframework.integration.endpoint.annotation.Subscriber;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author Mark Fisher
+ */
+@Component
+public class NumberLogger {
+
+	@Subscriber(channel="even")
+	public void even(int i) {
+		System.out.println("even: " + i);
+	}
+
+	@Subscriber(channel="odd")
+	public void odd(int i) {
+		System.out.println("odd:  " + i);
+	}
+
+}

spring-integration-core/src/main/java/org/springframework/integration/samples/oddeven/OddEvenDemo.java

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+/*
+ * Copyright 2002-2007 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 org.springframework.integration.samples.oddeven;
+
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * @author Mark Fisher
+ */
+public class OddEvenDemo {
+
+	public static void main(String[] args) throws Exception {
+		AbstractApplicationContext context = new ClassPathXmlApplicationContext("oddEvenDemo.xml", OddEvenDemo.class);
+		context.start();
+		System.in.read();
+	}
+
+}

spring-integration-core/src/main/java/org/springframework/integration/samples/oddeven/oddEvenDemo.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans:beans xmlns="http://www.springframework.org/schema/integration"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:beans="http://www.springframework.org/schema/beans"
+	xmlns:context="http://www.springframework.org/schema/context"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+			http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
+			http://www.springframework.org/schema/context
+			http://www.springframework.org/schema/context/spring-context-2.5.xsd
+			http://www.springframework.org/schema/integration
+			http://www.springframework.org/schema/integration/spring-integration-1.0.xsd">
+
+	<context:component-scan base-package="org.springframework.integration.samples.oddeven"/>
+
+	<message-bus auto-create-channels="true"/>
+
+	<annotation-driven/>	
+
+</beans:beans>