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 {
21 public static class CloseableEventExecutorMixin implements AutoCloseable {
22 public static final int DEFAULT_SHUTDOWN_SECONDS = 1;
23 private final EventExecutor eventExecutor;
25 public CloseableEventExecutorMixin(EventExecutor eventExecutor) {
26 this.eventExecutor = eventExecutor;
30 public void close() throws Exception {
31 eventExecutor.shutdownGracefully(0, DEFAULT_SHUTDOWN_SECONDS, TimeUnit.SECONDS);
35 private static AutoCloseableEventExecutor createCloseableProxy(
36 final CloseableEventExecutorMixin closeableEventExecutorMixin) {
37 return Reflection.newProxy(AutoCloseableEventExecutor.class, new AbstractInvocationHandler() {
39 protected Object handleInvocation(Object proxy, Method method, Object[] args) throws Throwable {
40 if (method.getName().equals("close")) {
41 closeableEventExecutorMixin.close();
44 return method.invoke(closeableEventExecutorMixin.eventExecutor, args);
50 public static AutoCloseableEventExecutor globalEventExecutor() {
51 return createCloseableProxy(new CloseableEventExecutorMixin(GlobalEventExecutor.INSTANCE));
54 public static AutoCloseableEventExecutor immediateEventExecutor() {
55 return createCloseableProxy(new CloseableEventExecutorMixin(ImmediateEventExecutor.INSTANCE));
58 public static AutoCloseableEventExecutor forwardingEventExecutor(final EventExecutor eventExecutor,
59 final AutoCloseable closeable) {
60 return createCloseableProxy(new CloseableEventExecutorMixin(eventExecutor) {
62 public void close() throws Exception {