Merge "Do not force toString() in NetconfClientSession"
[controller.git] / opendaylight / config / netty-event-executor-config / src / main / java / org / opendaylight / controller / config / yang / netty / eventexecutor / AutoCloseableEventExecutor.java
1 /*
2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8 package org.opendaylight.controller.config.yang.netty.eventexecutor;
9
10 import com.google.common.reflect.AbstractInvocationHandler;
11 import com.google.common.reflect.Reflection;
12 import io.netty.util.concurrent.EventExecutor;
13 import java.lang.reflect.Method;
14 import java.util.concurrent.TimeUnit;
15
16 public interface AutoCloseableEventExecutor extends EventExecutor, AutoCloseable {
17
18
19     public static class CloseableEventExecutorMixin implements AutoCloseable {
20         public static final int DEFAULT_SHUTDOWN_SECONDS = 1;
21         private final EventExecutor eventExecutor;
22
23         public CloseableEventExecutorMixin(EventExecutor eventExecutor) {
24             this.eventExecutor = eventExecutor;
25         }
26
27         @Override
28         public void close() {
29             eventExecutor.shutdownGracefully(0, DEFAULT_SHUTDOWN_SECONDS, TimeUnit.SECONDS);
30         }
31
32
33         public static AutoCloseable createCloseableProxy(final EventExecutor eventExecutor) {
34             final CloseableEventExecutorMixin closeableGlobalEventExecutorMixin =
35                     new CloseableEventExecutorMixin(eventExecutor);
36             return Reflection.newProxy(AutoCloseableEventExecutor.class, new AbstractInvocationHandler() {
37                 @Override
38                 protected Object handleInvocation(Object proxy, Method method, Object[] args) throws Throwable {
39                     if (method.getName().equals("close")) {
40                         closeableGlobalEventExecutorMixin.close();
41                         return null;
42                     } else {
43                         return method.invoke(eventExecutor, args);
44                     }
45                 }
46             });
47         }
48
49
50     }
51 }