public void testConcurrentPipeline() throws Exception {
int total = 200;
final int group = total / 20;
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(total);
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(20);
executor.afterPropertiesSet();
for (int i = 0; i < 20; i++) {
final int threadCount = i;
executor.execute(
new Runnable() {
public void run() {
int start = threadCount * group;
for (int i = 0; i < group; i++) {
try {
// do some random sleep to simulate spread in user activity
Thread.sleep(new Random().nextInt(10));
} catch (InterruptedException e) {
// ignore
}
template.sendBody(uri, "" + (start + i));
}
}
});
}
mock.assertIsSatisfied();
mock.expectsNoDuplicates(body());
executor.shutdown();
}
@Override
public void onApplicationEvent(ApplicationEvent event) {
if (event instanceof ContextRefreshedEvent) {
taskExecutor = new ThreadPoolTaskExecutor();
taskExecutor.setMaxPoolSize(100);
taskExecutor.initialize();
} else if (event instanceof ContextClosedEvent) {
taskExecutor.shutdown();
}
}
public void onApplicationEvent(ContextClosedEvent event) {
System.out.println("==================Spring Context is shutting down==============");
scheduler.shutdown();
executor.shutdown();
}