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INT-718, OSGi-enabled Cafe sample. README provided

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This commit is contained in:
Oleg Zhurakousky
2009-07-11 06:37:36 +00:00
parent aeb8c7e3a9
commit 013d4e7a5e
6 changed files with 202 additions and 6 deletions
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20
spring-integration-samples/cafe/src/main/java/org/springframework/integration/samples/cafe/xml/CafeDemo.java
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@@ -16,6 +16,7 @@
package org.springframework.integration.samples.cafe.xml;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
@@ -28,27 +29,34 @@ import org.springframework.integration.samples.cafe.Order;
* order is placed, the Cafe will send that order to the "orders" channel.
* The relevant components are defined within the configuration file
* ("cafeDemo.xml").
* If deployed in SpringSource dmServer the ApplicationContext configuration is in
* META-INF/spring directory
*
* @author Mark Fisher
* @author Marius Bogoevici
* @author Oleg Zhurakousky
*/
public class CafeDemo {
public static void main(String[] args) {
AbstractApplicationContext context = null;
CafeDemo demo = new CafeDemo();
AbstractApplicationContext applicationContext = null;
if(args.length > 0) {
context = new FileSystemXmlApplicationContext(args);
applicationContext = new FileSystemXmlApplicationContext(args);
}
else {
context = new ClassPathXmlApplicationContext("cafeDemo.xml", CafeDemo.class);
applicationContext = new ClassPathXmlApplicationContext("cafeDemo.xml", CafeDemo.class);
}
Cafe cafe = (Cafe) context.getBean("cafe");
for (int i = 1; i <= 100; i++) {
demo.performDemo(applicationContext, 100);
}
public void performDemo(ApplicationContext applicationContext, int iterations){
Cafe cafe = (Cafe) applicationContext.getBean("cafe");
for (int i = 1; i <= iterations; i++) {
Order order = new Order(i);
order.addItem(DrinkType.LATTE, 2, false);
order.addItem(DrinkType.MOCHA, 3, true);
cafe.placeOrder(order);
}
}
}

64
spring-integration-samples/cafe/src/main/java/org/springframework/integration/samples/osgi/cafe/CafeBundleActivator.java Normal file
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@@ -0,0 +1,64 @@
/*
* Copyright 2002-2009 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.osgi.cafe;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceEvent;
import org.osgi.framework.ServiceListener;
import org.osgi.framework.ServiceReference;
import org.springframework.context.ApplicationContext;
import org.springframework.integration.samples.cafe.xml.CafeDemo;
/**
* Simple BundleActivator which will register ServiceListener which will listen for
* ApplicationContext published event. Once event is received, CafeDemo will be executed.
*
* @author Oleg Zhurakousky
*/
public class CafeBundleActivator implements BundleActivator, ServiceListener{
private BundleContext context;
/**
*
*/
public void start(BundleContext context) throws Exception {
this.context = context;
context.addServiceListener(this);
}
/**
*
*/
public void stop(BundleContext context) throws Exception {}
/**
*
*/
public void serviceChanged(ServiceEvent serviceEvent) {
ServiceReference sr = serviceEvent.getServiceReference();
if (context.getBundle().getSymbolicName().equals(sr.getProperty(Constants.BUNDLE_SYMBOLICNAME))){
final ApplicationContext applicationContext = (ApplicationContext) context.getService(sr);
ExecutorService executor = Executors.newCachedThreadPool();
executor.execute(new Runnable() {
public void run() {
new CafeDemo().performDemo(applicationContext, 20);
}
});
}
}
}