src/demo/share/applets/SortDemo/SortAlgorithm.java
author smarks
Tue, 28 Mar 2017 12:10:20 -0700
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8174966: Unreferenced references Reviewed-by: rriggs, skoivu, rhalade, robm
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/*
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 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   - Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   - Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *
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 *   - Neither the name of Oracle nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/*
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 * This source code is provided to illustrate the usage of a given feature
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 * or technique and has been deliberately simplified. Additional steps
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 * required for a production-quality application, such as security checks,
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 * input validation and proper error handling, might not be present in
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 * this sample code.
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 */
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/**
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 * A generic sort demonstration algorithm
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 * SortAlgorithm.java, Thu Oct 27 10:32:35 1994
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 *
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 * @author James Gosling
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 */
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class SortAlgorithm {
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    /**
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     * The sort item.
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     */
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    private SortItem parent;
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    /**
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     * When true stop sorting.
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     */
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    protected boolean stopRequested = false;
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    /**
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     * Set the parent.
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     */
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    public void setParent(SortItem p) {
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        parent = p;
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    }
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    /**
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     * Pause for a while.
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     */
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    protected void pause() throws Exception {
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        if (stopRequested) {
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            throw new Exception("Sort Algorithm");
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        }
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        parent.pause(parent.h1, parent.h2);
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    }
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    /**
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     * Pause for a while and mark item 1.
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     */
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    protected void pause(int H1) throws Exception {
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        if (stopRequested) {
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            throw new Exception("Sort Algorithm");
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        }
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        parent.pause(H1, parent.h2);
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    }
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    /**
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     * Pause for a while and mark item 1 & 2.
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     */
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    protected void pause(int H1, int H2) throws Exception {
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        if (stopRequested) {
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            throw new Exception("Sort Algorithm");
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        }
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        parent.pause(H1, H2);
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    }
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    /**
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     * Stop sorting.
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     */
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    public void stop() {
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        stopRequested = true;
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    }
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    /**
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     * Initialize
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     */
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    public void init() {
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        stopRequested = false;
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    }
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    /**
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     * This method will be called to
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     * sort an array of integers.
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     */
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    void sort(int a[]) throws Exception {
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    }
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}