javax.persistence.metamodel.Bindable Maven / Gradle / Ivy
// $Id: Bindable.java 17752 2009-10-15 01:19:21Z [email protected] $
// EJB3 Specification Copyright 2004-2009 Sun Microsystems, Inc.
package javax.persistence.metamodel;
/**
* Instances of the type Bindable
represent object or attribute types
* that can be bound into a {@link javax.persistence.criteria.Path Path}.
*
* @param The type of the represented object or attribute
* @since Java Persistence 2.0
*/
public interface Bindable {
public static enum BindableType {
/**
* Single-valued attribute type
*/
SINGULAR_ATTRIBUTE,
/**
* Multi-valued attribute type
*/
PLURAL_ATTRIBUTE,
/**
* Entity type
*/
ENTITY_TYPE
}
/**
* Return the bindable type of the represented object.
*
* @return bindable type
*/
BindableType getBindableType();
/**
* Return the Java type of the represented object.
* If the bindable type of the object is PLURAL_ATTRIBUTE
,
* the Java element type is returned. If the bindable type is
* SINGULAR_ATTRIBUTE
or ENTITY_TYPE
,
* the Java type of the
* represented entity or attribute is returned.
*
* @return Java type
*/
Class getBindableJavaType();
}