org.eclipse.persistence.internal.jpa.metamodel.CollectionAttributeImpl Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation

EclipseLink build based upon Git transaction f2b9fc5

There is a newer version: 5.0.0-B03

/*
 * Copyright (c) 2011, 2021 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:
//     03/19/2009-2.0  dclarke  - initial API start
//     06/30/2009-2.0  mobrien - finish JPA Metadata API modifications in support
//       of the Metamodel implementation for EclipseLink 2.0 release involving
//       Map, ElementCollection and Embeddable types on MappedSuperclass descriptors
//       - 266912: JPA 2.0 Metamodel API (part of the JSR-317 EJB 3.1 Criteria API)
//     06/14/2010-2.1  mobrien - 314906: getJavaType should return the
//       collection javaType C in , V> instead off the elementType V
package org.eclipse.persistence.internal.jpa.metamodel;

import java.util.Collection;

import jakarta.persistence.metamodel.CollectionAttribute;

import org.eclipse.persistence.mappings.CollectionMapping;

/**
 * 
 * Purpose: Provides the implementation for the CollectionAttribute interface
 *  of the JPA 2.0 Metamodel API (part of the JSR-317 EJB 3.1 Criteria API)
 * 
 * Description:
 * Instances of the type CollectionAttribute represent persistent
 * Collection-valued attributes.
 *
 * @see jakarta.persistence.metamodel.CollectionAttribute
 *
 * @since EclipseLink 1.2 - JPA 2.0
 * @param  The type the represented Collection belongs to
 * @param  The element type of the represented Collection
 *
 */
public class CollectionAttributeImpl extends PluralAttributeImpl, V> implements CollectionAttribute {

    /** Item 54: DI 89: explicit UID will avoid performance hit runtime generation of one */
    private static final long serialVersionUID = -4981779656175076241L;

    /**
     * INTERNAL:
     * Construct an instance of Collection for the managed type managedType
     */
    protected CollectionAttributeImpl(ManagedTypeImpl managedType, CollectionMapping mapping) {
        this(managedType, mapping, false);
    }

    /**
     * INTERNAL:
     * Construct an instance of Collection for the managed type managedType
     */
    protected CollectionAttributeImpl(ManagedTypeImpl managedType, CollectionMapping mapping, boolean validationEnabled) {
        super(managedType, mapping, validationEnabled);
    }

    /**
     * Return the collection type.
     * @return collection type
     */
    @Override
    public CollectionType getCollectionType() {
        return CollectionType.COLLECTION;
    }

    /**
     *  Return the Java type of the represented attribute.
     *  @return Java type
     */
    @Override
    @SuppressWarnings({"rawtypes"})
    public Class getJavaType() {
        return Collection.class;
    }
}