org.foxlabs.validation.metadata

Interface MetaData<T>

Type Parameters:

T - The type of data

All Known Subinterfaces:

ElementMetaData<T,V>, EntityMetaData<T>, PropertyMetaData<T,V>

All Known Implementing Classes:

AbstractEntityMetaData, AbstractPropertyMetaData, BeanMetaData, BeanMetaData.Property, MapMetaData, MapMetaData.Property

public interface MetaData<T>

Defines descriptor that holds metadata.

Author:

Fox Mulder

Method Summary

Modifier and Type	Method and Description
T	cast(Object value) Casts the specified value to data type.
Constraint<? super T>	getConstraint() Returns constraint to be used for data validation.
Class<T>	getType() Returns the type of data.

Method Detail

getType

Class<T> getType()

Returns the type of data.

Returns:

The type of data.

getConstraint

Constraint<? super T> getConstraint()

Returns constraint to be used for data validation. If there is no constraint defined then this method returns null.

Returns:

Constraint to be used for data validation.

cast

T cast(Object value)

Casts the specified value to data type.

Parameters:

value - Value to be cast.

Returns:

Value after casting.

Throws:

ClassCastException - if the specified value is not assignable to data type.