/*+
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 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.+
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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 *+
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 * This code is free software; you can redistribute it and/or modify it+
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 * under the terms of the GNU General Public License version 2 only, as+
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 * published by the Free Software Foundation.  Oracle designates this+
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 * particular file as subject to the "Classpath" exception as provided+
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 * by Oracle in the LICENSE file that accompanied this code.+
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 *+
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 * This code is distributed in the hope that it will be useful, but WITHOUT+
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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 * version 2 for more details (a copy is included in the LICENSE file that+
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 * accompanied this code).+
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 *+
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 * You should have received a copy of the GNU General Public License version+
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 * 2 along with this work; if not, write to the Free Software Foundation,+
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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 *+
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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 * or visit www.oracle.com if you need additional information or have any+
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 * questions.+
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 */+
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+
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package java.net.http;+
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+
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import java.io.IOException;+
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import java.nio.ByteBuffer;+
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+
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/*+
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 * I/O abstraction used to implement WebSocket.+
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 */+
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interface RawChannel {+
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+
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    interface RawEvent {+
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+
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        /*+
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         * Must return the selector interest op flags.+
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         */+
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        int interestOps();+
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+
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        /*+
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         * Called when event occurs.+
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         */+
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        void handle();+
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    }+
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+
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    /*+
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     * Register given event whose callback will be called once only.+
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     * (i.e. register new event for each callback)+
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     */+
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    void registerEvent(RawEvent event) throws IOException;+
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+
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    int read(ByteBuffer dst) throws IOException;+
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+
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    long write(ByteBuffer[] src, int offset, int len) throws IOException;+
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+
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    boolean isOpen();+
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+
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    void close() throws IOException;+
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}+
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