javax.persistence.metamodel.Bindable Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
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();
}