net.kreatious.pianoleopard.midi.event

Class Event

java.lang.Object

net.kreatious.pianoleopard.midi.event.Event

Direct Known Subclasses:

NoteEvent, PedalEvent

public abstract class Event
extends Object

Represents a MIDI message associated with a particular channel and a timestamp in microseconds.

Author:

Jay-R Studer

Method Summary

Modifier and Type	Method and Description
abstract <T extends Event> T	createOff(long offTime) Creates a new off event of the same type and slot with the specified timestamp.
int	getChannel() Gets the channel on which this event occurs.
abstract Slot	getSlot() Gets a slot that uniquely identifies which interval events belong to.
long	getTime() Gets the time in microseconds at which this event occurs.
abstract boolean	isOn() Gets if this event is an off to on transition.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getTime

public long getTime()

Gets the time in microseconds at which this event occurs.

Returns:

the time in microseconds when this event occurs.

getChannel

public int getChannel()

Gets the channel on which this event occurs.

The channel value ranges from 0 to 15, inclusive.

Returns:

the channel on which this event occurs

isOn

public abstract boolean isOn()

Gets if this event is an off to on transition.

Note that an event can transition from off to on multiple times before an on to off transition occurs.

Returns:

true if this event marks the start of an interval, false otherwise

getSlot

public abstract Slot getSlot()

Gets a slot that uniquely identifies which interval events belong to.

Equal slots are events occurring for the same channel and key.

Returns:

a uniquely identifying slot for this event

createOff

public abstract <T extends Event> T createOff(long offTime)

Creates a new off event of the same type and slot with the specified timestamp.

Type Parameters:

T - the type of the created event, must be the same as the declaring class.

Parameters:

offTime - the off time of the created event measured in microseconds

Returns:

a new event that is off but with the specified timestamp

toString

public String toString()

Overrides:

toString in class Object