org.eclipse.scada.ui.databinding.item

Class DataItemObservableValue.ReplaceInvalidValuePolicy

java.lang.Object

org.eclipse.scada.ui.databinding.item.DataItemObservableValue.ReplaceInvalidValuePolicy

All Implemented Interfaces:

InvalidValuePolicy

Enclosing class:

DataItemObservableValue

public static final class DataItemObservableValue.ReplaceInvalidValuePolicy
extends java.lang.Object
implements InvalidValuePolicy

Constructor Summary

Constructors

Constructor and Description
DataItemObservableValue.ReplaceInvalidValuePolicy(DataItemValue replacement)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isInvalid(DataItemValue value) Checks if a value is considered invalid
DataItemValue	processInvalid(DataItemValue value) Process the invalid value

Methods inherited from class java.lang.Object

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

Constructor Detail

DataItemObservableValue.ReplaceInvalidValuePolicy

public DataItemObservableValue.ReplaceInvalidValuePolicy(DataItemValue replacement)

Method Detail

isInvalid

public boolean isInvalid(DataItemValue value)

Description copied from interface: InvalidValuePolicy

Checks if a value is considered invalid

Specified by:

isInvalid in interface InvalidValuePolicy

Parameters:

value - the value to check

Returns:

true if the value is considered invalid, false false otherwise

processInvalid

public DataItemValue processInvalid(DataItemValue value)

Description copied from interface: InvalidValuePolicy

Process the invalid value

Specified by:

processInvalid in interface InvalidValuePolicy

Parameters:

value - the input value, may be null

Returns:

the output value, may be null