StandardBeanLifecycleDecorator.java 文件源码

/**
 * Apply a lock (preferably a read lock allowing multiple concurrent access) to the bean. Callers should replace the
 * bean input with the output.
 *
 * @param bean the bean to lock
 * @param lock the lock to apply
 * @return a proxy that locks while its methods are executed
 */
private Object getDisposalLockProxy(Object bean, final Lock lock) {
    ProxyFactory factory = new ProxyFactory(bean);
    factory.setProxyTargetClass(proxyTargetClass);
    factory.addAdvice(new MethodInterceptor() {
        public Object invoke(MethodInvocation invocation) throws Throwable {
            lock.lock();
            try {
                return invocation.proceed();
            } finally {
                lock.unlock();
            }
        }
    });
    return factory.getProxy();
}