Example usage for org.springframework.aop.interceptor ConcurrencyThrottleInterceptor ConcurrencyThrottleInterceptor

Introduction

In this page you can find the example usage for org.springframework.aop.interceptor ConcurrencyThrottleInterceptor ConcurrencyThrottleInterceptor.

Prototype

public ConcurrencyThrottleInterceptor() 

Source Link

Usage

From source file:org.springframework.aop.interceptor.ConcurrencyThrottleInterceptorTests.java

@Test
public void testSerializable() throws Exception {
    DerivedTestBean tb = new DerivedTestBean();
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setInterfaces(new Class[] { ITestBean.class });
    ConcurrencyThrottleInterceptor cti = new ConcurrencyThrottleInterceptor();
    proxyFactory.addAdvice(cti);//  w ww  . jav a2 s. com
    proxyFactory.setTarget(tb);
    ITestBean proxy = (ITestBean) proxyFactory.getProxy();
    proxy.getAge();

    ITestBean serializedProxy = (ITestBean) SerializationTestUtils.serializeAndDeserialize(proxy);
    Advised advised = (Advised) serializedProxy;
    ConcurrencyThrottleInterceptor serializedCti = (ConcurrencyThrottleInterceptor) advised.getAdvisors()[0]
            .getAdvice();
    assertEquals(cti.getConcurrencyLimit(), serializedCti.getConcurrencyLimit());
    serializedProxy.getAge();
}

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From source file:org.springframework.aop.interceptor.ConcurrencyThrottleInterceptorTests.java

private void testMultipleThreads(int concurrencyLimit) {
    TestBean tb = new TestBean();
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setInterfaces(new Class[] { ITestBean.class });
    ConcurrencyThrottleInterceptor cti = new ConcurrencyThrottleInterceptor();
    cti.setConcurrencyLimit(concurrencyLimit);
    proxyFactory.addAdvice(cti);//w  ww.j  av  a2s  .  c o  m
    proxyFactory.setTarget(tb);
    ITestBean proxy = (ITestBean) proxyFactory.getProxy();

    Thread[] threads = new Thread[NR_OF_THREADS];
    for (int i = 0; i < NR_OF_THREADS; i++) {
        threads[i] = new ConcurrencyThread(proxy, null);
        threads[i].start();
    }
    for (int i = 0; i < NR_OF_THREADS / 10; i++) {
        try {
            Thread.sleep(5);
        } catch (InterruptedException ex) {
            ex.printStackTrace();
        }
        threads[i] = new ConcurrencyThread(proxy,
                i % 2 == 0 ? (Throwable) new OutOfMemoryError() : (Throwable) new IllegalStateException());
        threads[i].start();
    }
    for (int i = 0; i < NR_OF_THREADS; i++) {
        try {
            threads[i].join();
        } catch (InterruptedException ex) {
            ex.printStackTrace();
        }
    }
}

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