Interface TypedValueHandler<Type, ValueType>

Type Parameters:

Type - The type of the property holder

ValueType - The type of the value returned

All Superinterfaces:

ExpressionPropertyHandler<Type, ValueType>, PropertyHandler<Type>

@Experimental
public interface TypedValueHandler<Type, ValueType>
extends ExpressionPropertyHandler<Type, ValueType>

A handler for the `%classinfo% value of %property%` syntax

Method Summary

Modifier and Type	Method	Description
ValueType	convert(Type propertyHolder)	Converts the given object to the property value.
default <Converted> Converted	convert(Type propertyHolder, ClassInfo<Converted> expected)
default ValueType	convertChangeValue(Object value)	This method can be used to convert change values to ValueType (or null)

Methods inherited from interface ExpressionPropertyHandler

acceptChange, change, convert, possibleReturnTypes, requiresSourceExprChange, returnType

Methods inherited from interface PropertyHandler

init, newInstance

Method Details

convert

@Nullable
ValueType convert(Type propertyHolder)

Description copied from interface: ExpressionPropertyHandler

Converts the given object to the property value. This method may return arrays if the property is multi-valued. Callers should always prefer ExpressionPropertyHandler.convert(Event, Object).

Specified by:

convert in interface ExpressionPropertyHandler<Type, ValueType>

Parameters:

propertyHolder - The object to convert.

Returns:

This thing's value

convert

default <Converted> Converted convert(Type propertyHolder,
 ClassInfo<Converted> expected)

convertChangeValue

default ValueType convertChangeValue(Object value)
                              throws UnsupportedOperationException

This method can be used to convert change values to ValueType (or null)

Parameters:

value - The (unchecked) new value

Throws:

UnsupportedOperationException