org.eclipse.scada.ui.databinding.item

Interface InvalidValuePolicy

All Known Implementing Classes:

DataItemObservableValue.ReplaceInvalidValuePolicy

public interface InvalidValuePolicy

Policy that defined what happens with invalid values

Since:

1.0.0

Author:

Jens Reimann

Method Summary

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

Method Detail

isInvalid

boolean isInvalid(DataItemValue value)

Checks if a value is considered invalid

Parameters:

value - the value to check

Returns:

true if the value is considered invalid, false false otherwise

processInvalid

DataItemValue processInvalid(DataItemValue value)

Process the invalid value

Parameters:

value - the input value, may be null

Returns:

the output value, may be null