SortAlgorithm.java

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/*
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 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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/*
 * This source code is provided to illustrate the usage of a given feature
 * or technique and has been deliberately simplified. Additional steps
 * required for a production-quality application, such as security checks,
 * input validation and proper error handling, might not be present in
 * this sample code.
 */
 
 
 
class SortAlgorithm {
 
    private SortItem parent;
    protected boolean stopRequested = false;
 
    public void setParent(SortItem p) {
        parent = p;
    }
 
    protected void pause() throws Exception {
        if (stopRequested) {
            throw new Exception("Sort Algorithm");
        }
        parent.pause(parent.h1, parent.h2);
    }
 
    protected void pause(int H1) throws Exception {
        if (stopRequested) {
            throw new Exception("Sort Algorithm");
        }
        parent.pause(H1, parent.h2);
    }
 
    protected void pause(int H1, int H2) throws Exception {
        if (stopRequested) {
            throw new Exception("Sort Algorithm");
        }
        parent.pause(H1, H2);
    }
 
    public void stop() {
        stopRequested = true;
    }
 
    public void init() {
        stopRequested = false;
    }
 
    void sort(int a[]) throws Exception {
    }
}