2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.config.yang.netty.eventexecutor;
10 import com.google.common.reflect.AbstractInvocationHandler;
11 import com.google.common.reflect.Reflection;
12 import io.netty.util.concurrent.EventExecutor;
13 import io.netty.util.concurrent.GlobalEventExecutor;
14 import io.netty.util.concurrent.ImmediateEventExecutor;
15 import java.lang.reflect.Method;
16 import java.util.concurrent.TimeUnit;
18 public interface AutoCloseableEventExecutor extends EventExecutor, AutoCloseable {
20 static AutoCloseableEventExecutor globalEventExecutor() {
21 return CloseableEventExecutorMixin.createCloseableProxy(GlobalEventExecutor.INSTANCE);
24 static AutoCloseableEventExecutor immediateEventExecutor() {
25 return CloseableEventExecutorMixin.createCloseableProxy(ImmediateEventExecutor.INSTANCE);
28 class CloseableEventExecutorMixin implements AutoCloseable {
29 public static final int DEFAULT_SHUTDOWN_SECONDS = 1;
30 private final EventExecutor eventExecutor;
32 public CloseableEventExecutorMixin(final EventExecutor eventExecutor) {
33 this.eventExecutor = eventExecutor;
37 public void close() throws Exception {
38 eventExecutor.shutdownGracefully(0, DEFAULT_SHUTDOWN_SECONDS, TimeUnit.SECONDS);
42 private static AutoCloseableEventExecutor createCloseableProxy(final EventExecutor eventExecutor) {
43 final CloseableEventExecutorMixin closeableEventExecutor = new CloseableEventExecutorMixin(eventExecutor);
44 return Reflection.newProxy(AutoCloseableEventExecutor.class, new AbstractInvocationHandler() {
46 protected Object handleInvocation(final Object proxy, final Method method, final Object[] args)
48 if (method.getName().equals("close")) {
49 closeableEventExecutor.close();
52 return method.invoke(closeableEventExecutor.eventExecutor, args);