| /* |
| * 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: |
| // Oracle - initial API and implementation |
| // |
| package org.eclipse.persistence.internal.jpa.jpql; |
| |
| import org.eclipse.persistence.descriptors.ClassDescriptor; |
| import org.eclipse.persistence.expressions.Expression; |
| import org.eclipse.persistence.jpa.jpql.parser.CollectionMemberDeclaration; |
| import org.eclipse.persistence.jpa.jpql.parser.CollectionValuedPathExpression; |
| import org.eclipse.persistence.mappings.DatabaseMapping; |
| |
| /** |
| * This <code>CollectionDeclaration</code> represents a collection member declaration that was |
| * declared in the <code><b>FROM</b></code> clause of a <code><b>SELECT</b></code> top-level query |
| * or subquery. |
| * |
| * @see CollectionMemberDeclaration |
| * |
| * @version 2.5 |
| * @since 2.4 |
| * @author Pascal Filion |
| */ |
| final class CollectionDeclaration extends Declaration { |
| |
| /** |
| * Creates a new <code>CollectionDeclaration</code>. |
| * |
| * @param queryContext The context used to query information about the application metadata and |
| * cached information |
| */ |
| CollectionDeclaration(JPQLQueryContext queryContext) { |
| super(queryContext); |
| } |
| |
| @Override |
| Expression buildQueryExpression() { |
| return queryContext.buildExpression(baseExpression); |
| } |
| |
| @Override |
| public CollectionValuedPathExpression getBaseExpression() { |
| return (CollectionValuedPathExpression) super.getBaseExpression(); |
| } |
| |
| @Override |
| public CollectionMemberDeclaration getDeclarationExpression() { |
| return (CollectionMemberDeclaration) super.getDeclarationExpression(); |
| } |
| |
| @Override |
| public Type getType() { |
| return Type.COLLECTION; |
| } |
| |
| @Override |
| ClassDescriptor resolveDescriptor() { |
| return queryContext.resolveDescriptor(baseExpression); |
| } |
| |
| @Override |
| DatabaseMapping resolveMapping() { |
| return queryContext.resolveMapping(baseExpression); |
| } |
| } |