| /* |
| * 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: |
| // Gordon Yorke - Initial development |
| // |
| package org.eclipse.persistence.internal.jpa.querydef; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: Represents a Selection in the Criteria API implementation hierarchy. |
| * <p> |
| * <b>Description</b>: An InternalSelection has the EclipseLink expression representation of the |
| * Criteria API expressions. A special interface was created because Subqueries can be selections but are not in the |
| * ExpressionImpl hierarchy |
| * |
| * @see jakarta.persistence.criteria Expression |
| * |
| * @author gyorke |
| * @since EclipseLink 1.2 |
| */ |
| public interface InternalSelection{ |
| |
| void findRootAndParameters(CommonAbstractCriteriaImpl criteriaQuery); |
| |
| org.eclipse.persistence.expressions.Expression getCurrentNode(); |
| |
| boolean isFrom(); |
| boolean isRoot(); |
| boolean isConstructor(); |
| |
| } |