jcaas.midi.messages
Class MMessage

java.lang.Object
  jcaas.midi.messages.MMessage

Direct Known Subclasses:

ChordMessage, InstrumentMessage, KeySignatureMessage, NoteChangeMessage, NoteListChangeMessage, RythmMessage, StaffChangeMessage, StaffPropertyMessage, TempoMessage, TimeSignatureMessage, VolumeMessage

public abstract class MMessage
extends java.lang.Object

Version:

created Apr 18, 2005 last modified Apr 18, 2005 MMessage is a superclass to pass messages to the MidiPlayer.

Author:

Conrad M. Hutcheson

Field Summary

static int	CHORD_MESSAGE
static int	INSTRUMENT_MESSAGE
static int	KEYSIGNATURE_MESSAGE
static int	NOTECHANGE_MESSAGE
static int	NOTELISTCHANGE_MESSAGE
static int	RYTHM_MESSAGE
static int	STAFFCHANGE_MESSAGE
static int	STAFFPROPERTY_MESSAGE
static int	TEMPO_MESSAGE
static int	TIMESIGNATURE_MESSAGE
static int	VOLUME_MESSAGE

Constructor Summary

MMessage()

Method Summary

abstract java.lang.Object	getContents() A method to return the information carried by this message.
abstract int	getType() A method to determine if the MidiPlayer or the Staff cares about this message.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VOLUME_MESSAGE

public static final int VOLUME_MESSAGE

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Constant Field Values

INSTRUMENT_MESSAGE

public static final int INSTRUMENT_MESSAGE

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Constant Field Values

KEYSIGNATURE_MESSAGE

public static final int KEYSIGNATURE_MESSAGE

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Constant Field Values

NOTECHANGE_MESSAGE

public static final int NOTECHANGE_MESSAGE

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Constant Field Values

NOTELISTCHANGE_MESSAGE

public static final int NOTELISTCHANGE_MESSAGE

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Constant Field Values

RYTHM_MESSAGE

public static final int RYTHM_MESSAGE

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Constant Field Values

STAFFCHANGE_MESSAGE

public static final int STAFFCHANGE_MESSAGE

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Constant Field Values

STAFFPROPERTY_MESSAGE

public static final int STAFFPROPERTY_MESSAGE

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Constant Field Values

TEMPO_MESSAGE

public static final int TEMPO_MESSAGE

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Constant Field Values

TIMESIGNATURE_MESSAGE

public static final int TIMESIGNATURE_MESSAGE

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Constant Field Values

CHORD_MESSAGE

public static final int CHORD_MESSAGE

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Constant Field Values

Constructor Detail

MMessage

public MMessage()

Method Detail

getType

public abstract int getType()

A method to determine if the MidiPlayer or the Staff cares about this message.

Returns:

a symbolic int to indicate where this message goes.

getContents

public abstract java.lang.Object getContents()

A method to return the information carried by this message.

Returns: