| /* |
| * Copyright (c) 1998, 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 from Oracle TopLink |
| |
| package org.eclipse.persistence.internal.jpa.parsing; |
| |
| import org.eclipse.persistence.queries.ReportQuery; |
| import org.eclipse.persistence.queries.ObjectLevelReadQuery; |
| import org.eclipse.persistence.expressions.Expression; |
| |
| /** |
| * INTERNAL |
| * <p><b>Purpose</b>: This node represents a HAVING |
| * <p><b>Responsibilities</b>:<ul> |
| * <li> Generate the correct expression for HAVING |
| * </ul> |
| */ |
| public class HavingNode extends MajorNode { |
| |
| private Node having = null; |
| |
| /** |
| * INTERNAL |
| * Validate the current node. |
| */ |
| public void validate(ParseTreeContext context, GroupByNode groupbyNode) { |
| if (having != null) { |
| having.validate(context); |
| } |
| } |
| |
| /** |
| * INTERNAL |
| * Add the having expression to the passed query |
| */ |
| public void addHavingToQuery(ObjectLevelReadQuery theQuery, GenerationContext context) { |
| if (theQuery.isReportQuery()) { |
| Expression havingExpression = getHaving().generateExpression(context); |
| ((ReportQuery)theQuery).setHavingExpression(havingExpression); |
| } |
| } |
| |
| /** |
| * INTERNAL |
| * Return the HAVING expression |
| */ |
| public Node getHaving() { |
| return having; |
| } |
| |
| /** |
| * INTERNAL |
| * Set the HAVING expression |
| */ |
| public void setHaving(Node having) { |
| this.having = having; |
| } |
| } |