org.epics.pvaClient

Class PvaClientMultiMonitorDouble

java.lang.Object

org.epics.pvaClient.PvaClientMultiMonitorDouble

public class PvaClientMultiMonitorDouble
extends Object

Provides a monitor to multiple channels where each channel has a numeric scalar value field.

Since:

2015.06

Author:

mrk

Method Summary

Modifier and Type	Method and Description
void	connect() Create a channel monitor for each channel.
static PvaClientMultiMonitorDouble	create(PvaClientMultiChannel pvaClientMultiChannel, PvaClientChannel[] pvaClientChannelArray) Factory method that creates a PvaClientMultiMonitorDouble.
void	destroy() Destroy the pvAccess connection.
double[]	get() get the data.
boolean	poll() poll each channel.
boolean	waitEvent(double waitForEvent) Wait until poll returns true.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static PvaClientMultiMonitorDouble create(PvaClientMultiChannel pvaClientMultiChannel,
                                                 PvaClientChannel[] pvaClientChannelArray)

Factory method that creates a PvaClientMultiMonitorDouble.

Parameters:

pvaClientMultiChannel - The interface to PvaClientMultiChannel.

pvaClientChannelArray - The PvaClientChannel array.

Returns:

The interface.

destroy

public void destroy()

Destroy the pvAccess connection.

connect

public void connect()

Create a channel monitor for each channel.

poll

public boolean poll()

poll each channel. If any has new data it is used to update the double[].

Returns:

(false,true) if (no, at least one) value was updated.

waitEvent

public boolean waitEvent(double waitForEvent)

Wait until poll returns true.

Parameters:

waitForEvent - The time to keep trying. A thread sleep of .1 seconds occurs between each call to poll.

Returns:

(false,true) if (timeOut, poll returned true).

get

public double[] get()

get the data.

Returns:

The double[] where each element is the value field of the corresponding channel.