jakarta.persistence.metamodel.MapAttribute Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2023 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;
/**
* Instances of the type {@code MapAttribute} represent
* persistent {@link java.util.Map}-valued attributes.
*
* @param The type the represented Map belongs to
* @param The type of the key of the represented Map
* @param The type of the value of the represented Map
*
* @since 2.0
*
*/
public interface MapAttribute
extends PluralAttribute, V> {
/**
* Return the Java type of the map key.
* @return Java key type
*/
Class getKeyJavaType();
/**
* Return the type representing the key type of the map.
* @return type representing key type
*/
Type getKeyType();
}
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