javax.comm
Class ParallelPortEvent

java.lang.Object
  java.util.EventObject
      javax.comm.ParallelPortEvent

All Implemented Interfaces:

java.io.Serializable

public class ParallelPortEvent

extends java.util.EventObject

A parallel port event.

Author:

Jagane Sundar

See Also:

ParallelPort, ParallelPortEventListener, EventObject, Serialized Form

Field Summary

int	eventType Deprecated. Replaced by getEventType method.
static int	PAR_EV_BUFFER The port's output buffer is empty.
static int	PAR_EV_ERROR An error occurred on the port.

Fields inherited from class java.util.EventObject

source

Constructor Summary

ParallelPortEvent(ParallelPort srcport, int eventtype, boolean oldvalue, boolean newvalue)
Constructs a ParallelPortEvent with the specified parallel port, event type, old and new values.

Method Summary

int	getEventType() Gets the type of this event.
boolean	getNewValue() Gets the new value of the state change that caused the ParallelPortEvent to be propagated.
boolean	getOldValue() Gets the old value of the state change that caused the ParallelPortEvent to be propagated.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Field Detail

eventType

public int eventType

Deprecated. Replaced by getEventType method.

For compatibility with version 1.0 of the CommAPI only.

PAR_EV_ERROR

public static final int PAR_EV_ERROR

An error occurred on the port.

See Also:

Constant Field Values

PAR_EV_BUFFER

public static final int PAR_EV_BUFFER

The port's output buffer is empty.

See Also:

Constant Field Values

Constructor Detail

ParallelPortEvent

public ParallelPortEvent(ParallelPort srcport,
                         int eventtype,
                         boolean oldvalue,
                         boolean newvalue)

Constructs a ParallelPortEvent with the specified parallel port, event type, old and new values. Application programs should not directly create ParallelPortEvent objects.

Parameters:

srcport - source parallel port

eventtype - event type

oldvalue - old value

newvalue - new value

Method Detail

getEventType

public int getEventType()

Gets the type of this event.

Returns:

integer that can be either PAR_EV_ERROR or PAR_EV_BUFFER

Since:

CommAPI 1.1

getNewValue

public boolean getNewValue()

Gets the new value of the state change that caused the ParallelPortEvent to be propagated.

getOldValue

public boolean getOldValue()

Gets the old value of the state change that caused the ParallelPortEvent to be propagated.