jakarta.persistence.metamodel.Bindable Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Linda DeMichiel - 2.1
// Linda DeMichiel - 2.0
package jakarta.persistence.metamodel;
import jakarta.persistence.criteria.Path;
/**
* Instances of the type Bindable represent object or attribute types
* that can be bound into a {@link Path Path}.
*
* @param The type of the represented object or attribute
*
* @since 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();
}