jdk.dio.gpio

Class PortEvent

java.lang.Object

jdk.dio.DeviceEvent<GPIOPort>

jdk.dio.gpio.PortEvent

public class PortEvent
extends DeviceEvent<GPIOPort>

The PortEvent class encapsulates GPIO port value changes. When/if value change events for the same GPIO port are coalesced the value retained is that of the last occurrence.

See Also:

GPIOPort, PortListener

Field Summary

Fields inherited from class jdk.dio.DeviceEvent

count, device, lastTimeStamp, lastTimeStampMicros, timeStamp, timeStampMicros

Constructor Summary

Constructors

Constructor and Description
PortEvent(GPIOPort port, int value) Creates a new PortEvent with the specified value and time-stamped with the current time.
PortEvent(GPIOPort port, int value, long timeStamp, int timeStampMicros) Creates a new PortEvent with the specified value and timestamp.

Method Summary

Methods

Modifier and Type	Method and Description
int	getValue() Returns the new GPIO port's value.

Methods inherited from class jdk.dio.DeviceEvent

getCount, getDevice, getLastTimeStamp, getLastTimeStampMicros, getTimeStamp, getTimeStampMicros

Methods inherited from class java.lang.Object

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

Constructor Detail

PortEvent

public PortEvent(GPIOPort port,
         int value)

Creates a new PortEvent with the specified value and time-stamped with the current time.

Parameters:

port - the source GPIO port.

value - the new value.

Throws:

java.lang.NullPointerException - if port is null.

PortEvent

public PortEvent(GPIOPort port,
         int value,
         long timeStamp,
         int timeStampMicros)

Creates a new PortEvent with the specified value and timestamp.

Parameters:

port - the source GPIO port.

value - the new value.

timeStamp - the timestamp (in milliseconds).

timeStampMicros - the additional microseconds to the timestamp.

Throws:

java.lang.NullPointerException - if port is null.

java.lang.IllegalArgumentException - if timeStamp or timeStampMicros is negative.

Method Detail

getValue

public int getValue()

Returns the new GPIO port's value.

Returns:

the new GPIO port's value.