org.lsst.ccs.drivers.ads

Class Notification

java.lang.Object

org.lsst.ccs.drivers.ads.Notification

public class Notification
extends Object

Contains information from a notification message received from the remote ADS server. Instances are created by the ADS driver.

Author:

tether

Method Summary

Modifier and Type	Method and Description
ByteBuffer	getData() Gets a read-only ByteBuffer containing the variable value sent by the remote server.
int	getNotificationHandle() Gets the 32-bit handle assigned by the remote ADS server when the request for notifications was made.
VariableHandle	getVariableHandle() Gets the VariableHandle instance pass to ADSDriver.requestNotifications(org.lsst.ccs.drivers.ads.VariableHandle, java.time.Duration, java.time.Duration, boolean).

Methods inherited from class java.lang.Object

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

Method Detail

getNotificationHandle

public int getNotificationHandle()

Gets the 32-bit handle assigned by the remote ADS server when the request for notifications was made.

Returns:

The handle.

getVariableHandle

public VariableHandle getVariableHandle()

Gets the VariableHandle instance pass to ADSDriver.requestNotifications(org.lsst.ccs.drivers.ads.VariableHandle, java.time.Duration, java.time.Duration, boolean).

Returns:

The VariableHandle.

getData

public ByteBuffer getData()

Gets a read-only ByteBuffer containing the variable value sent by the remote server. The buffer has the correct byte order, has position=0 with the capacity and limit both set to the variable size.

Returns:

The buffer.