Android Open Source - note-trainer Note

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Back to project page note-trainer.

License

The source code is released under:

Apache License

Java Source Code

package org.programmerplanet.notetrainer.android;
/*w  w  w.  jav  a 2s.c  om*/
import java.io.Serializable;
import java.util.Random;

/**
 * @author <a href="jfifield@programmerplanet.org">Joseph Fifield</a>
 * 
 * Copyright (c) 2011 Joseph Fifield
 */
public class Note implements Serializable {

  public static final char FIRST_NOTE = 'A';
  public static final char LAST_NOTE = 'G';
  public static final int NOTE_COUNT = LAST_NOTE - FIRST_NOTE + 1;
  private static final int OCTAVE_RANGE = 2;

  public static final Note MIDDLE_C = new Note('C', 0);

  private static Random RANDOM = new Random();

  public static Note getRandomNote() {
    char name = (char)(FIRST_NOTE + RANDOM.nextInt(NOTE_COUNT));
    int octave = RANDOM.nextInt(OCTAVE_RANGE);
    Note note = new Note(name, octave);
    return note;
  }

  private char name;
  private int octave;

  public Note(char name, int octave) {
    this.name = name;
    this.octave = octave;
  }

  public char getName() {
    return name;
  }

  public int getOctave() {
    return octave;
  }

  public int hashCode() {
    return 31 * (31 + name) + octave;
  }

  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    Note other = (Note)obj;
    return (name == other.name) && (octave == other.octave);
  }

}

Java Source Code List

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