| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.incubator.http; |
| |
| import java.nio.channels.SelectableChannel; |
| |
| /** |
| * Event handling interface from HttpClientImpl's selector. |
| * |
| * If BLOCKING is set, then the channel will be put in blocking |
| * mode prior to handle() being called. If false, then it remains non-blocking. |
| * |
| * If REPEATING is set then the event is not cancelled after being posted. |
| */ |
| abstract class AsyncEvent { |
| |
| public static final int BLOCKING = 0x1; // non blocking if not set |
| public static final int REPEATING = 0x2; // one off event if not set |
| |
| protected final int flags; |
| |
| AsyncEvent(int flags) { |
| this.flags = flags; |
| } |
| |
| /** Returns the channel */ |
| public abstract SelectableChannel channel(); |
| |
| /** Returns the selector interest op flags OR'd */ |
| public abstract int interestOps(); |
| |
| /** Called when event occurs */ |
| public abstract void handle(); |
| |
| /** Called when selector is shutting down. Abort all exchanges. */ |
| public abstract void abort(); |
| |
| public boolean blocking() { |
| return (flags & BLOCKING) != 0; |
| } |
| |
| public boolean repeating() { |
| return (flags & REPEATING) != 0; |
| } |
| } |