Package org.csstudio.opibuilder.datadefinition

Class WidgetIgnorableUITask

java.lang.Object

org.csstudio.opibuilder.datadefinition.WidgetIgnorableUITask

public class WidgetIgnorableUITask
extends Object

The element in the GUIRefreshThread's task queue. An existing task in the queue should be ignored when a new task arrives that has the same identifyObject. For example, multiple tasks calling Gauge.setValue() are ignorable since the widget only needs to display the latest value.

Constructor Summary

Constructors

Constructor	Description
WidgetIgnorableUITask(Object identifyObject, Runnable runnableTask, Display display)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Display	getDisplay()
Object	getIdentifyObject()
Runnable	getRunnableTask()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

WidgetIgnorableUITask

public WidgetIgnorableUITask(Object identifyObject,
 Runnable runnableTask,
 Display display)

Constructor.

Parameters:

identifyObject - the object that identifies this task. If the task associated with the same identifyObject has not been executed, it will be ignored.

runnableTask - the task to be executed.

display - Associated Display.

Method Details

getDisplay

public Display getDisplay()

getIdentifyObject

public Object getIdentifyObject()

Returns:

the identify object

getRunnableTask

public Runnable getRunnableTask()

Returns:

the runnableTask

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Parameters:

obj - Possible other WidgetIgnorableUITask

Returns:

true if other WidgetIgnorableUITask refers to the same AbstractWidgetProperty

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object