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Java example source code file (ModelIdentifier.java)

This example Java source code file (ModelIdentifier.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

modelidentifier, string

The ModelIdentifier.java Java example source code

/*
 * Copyright (c) 2007, 2013, 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 com.sun.media.sound;

/**
 * This class stores the identity of source and destinations in connection
 * blocks, see ModelConnectionBlock.
 *
 * @author Karl Helgason
 */
public final class ModelIdentifier {

    /*
     *  Object    Variable
     *  ------    --------
     *
     *  // INPUT parameters
     *  noteon    keynumber                7 bit midi value
     *            velocity                 7 bit midi vale
     *            on                       1 or 0
     *
     *  midi      pitch                    14 bit midi value
     *            channel_pressure         7 bit midi value
     *            poly_pressure            7 bit midi value
     *
     *  midi_cc   0 (midi control #0       7 bit midi value
     *            1 (midi control #1       7 bit midi value
     *            ...
     *            127 (midi control #127   7 bit midi value
     *
     *  midi_rpn  0 (midi rpn control #0)  14 bit midi value
     *            1 (midi rpn control #1)  14 bit midi value
     *            ....
     *
     *  // DAHDSR envelope generator
     *  eg        (null)
     *            delay                    timecent
     *            attack                   timecent
     *            hold                     timecent
     *            decay                    timecent
     *            sustain                  0.1 %
     *            release                  timecent
     *
     *  // Low frequency oscillirator (sine wave)
     *  lfo       (null)
     *            delay                    timcent
     *            freq                     cent
     *
     *  // Resonance LowPass Filter 6dB slope
     *  filter    (null) (output/input)
     *            freq                     cent
     *            q                        cB
     *
     *  // The oscillator with preloaded wavetable data
     *  osc       (null)
     *            pitch                    cent
     *
     *  // Output mixer pins
     *  mixer     gain                     cB
     *            pan                      0.1 %
     *            reverb                   0.1 %
     *            chorus                   0.1 %
     *
     */
    private String object = null;
    private String variable = null;
    private int instance = 0;

    public ModelIdentifier(String object) {
        this.object = object;
    }

    public ModelIdentifier(String object, int instance) {
        this.object = object;
        this.instance = instance;
    }

    public ModelIdentifier(String object, String variable) {
        this.object = object;
        this.variable = variable;

    }

    public ModelIdentifier(String object, String variable, int instance) {
        this.object = object;
        this.variable = variable;
        this.instance = instance;

    }

    public int getInstance() {
        return instance;
    }

    public void setInstance(int instance) {
        this.instance = instance;
    }

    public String getObject() {
        return object;
    }

    public void setObject(String object) {
        this.object = object;
    }

    public String getVariable() {
        return variable;
    }

    public void setVariable(String variable) {
        this.variable = variable;
    }

    public int hashCode() {
        int hashcode = instance;
        if(object != null) hashcode |= object.hashCode();
        if(variable != null) hashcode |= variable.hashCode();
        return  hashcode;
    }

    public boolean equals(Object obj) {
        if (!(obj instanceof ModelIdentifier))
            return false;

        ModelIdentifier mobj = (ModelIdentifier)obj;
        if ((object == null) != (mobj.object == null))
            return false;
        if ((variable == null) != (mobj.variable == null))
            return false;
        if (mobj.getInstance() != getInstance())
            return false;
        if (!(object == null || object.equals(mobj.object)))
            return false;
        if (!(variable == null || variable.equals(mobj.variable)))
            return false;
        return true;
    }

    public String toString() {
        if (variable == null) {
            return object + "[" + instance + "]";
        } else {
            return object + "[" + instance + "]" + "." + variable;
        }
    }
}

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