| /* |
| * Copyright (c) 1998, 2020 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.expressions.*; |
| |
| /** |
| * INTERNAL |
| * <p><b>Purpose</b>: Represent a BETWEEN in EJBQL |
| * <p><b>Responsibilities</b>:<ul> |
| * <li> Generate the correct expression for a BETWEEN in EJBQL |
| * </ul> |
| * @author Jon Driscoll and Joel Lucuik |
| * @since TopLink 4.0 |
| */ |
| public class BetweenNode extends SimpleConditionalExpressionNode { |
| protected Node rightForBetween; |
| protected Node rightForAnd; |
| |
| /** |
| * BetweenNode constructor comment. |
| */ |
| public BetweenNode() { |
| super(); |
| } |
| |
| /** |
| * INTERNAL |
| * Check the child nodes for an unqualified field access and if there are |
| * any, replace them by a qualified field access. |
| */ |
| @Override |
| public Node qualifyAttributeAccess(ParseTreeContext context) { |
| if (left != null) { |
| left = left.qualifyAttributeAccess(context); |
| } |
| if (rightForBetween != null) { |
| rightForBetween = rightForBetween.qualifyAttributeAccess(context); |
| } |
| if (rightForAnd != null) { |
| rightForAnd = rightForAnd.qualifyAttributeAccess(context); |
| } |
| return this; |
| } |
| |
| /** |
| * INTERNAL |
| * Validate node and calculate its type. |
| */ |
| @Override |
| public void validate(ParseTreeContext context) { |
| Object type = null; |
| if (left != null) { |
| left.validate(context); |
| type = left.getType(); |
| } |
| if (rightForBetween != null) { |
| rightForBetween.validate(context); |
| rightForBetween.validateParameter(context, type); |
| } |
| if (rightForAnd != null) { |
| rightForAnd.validate(context); |
| rightForAnd.validateParameter(context, type); |
| } |
| TypeHelper typeHelper = context.getTypeHelper(); |
| setType(typeHelper.getBooleanType()); |
| } |
| |
| /** |
| * INTERNAL |
| * Return a EclipseLink expression by 'BETWEEN' and 'AND'ing the expressions from the left, |
| * rightForBetween and rightForAnd nodes |
| */ |
| @Override |
| public Expression generateExpression(GenerationContext context) { |
| // Get the left expression |
| Expression whereClause = getLeft().generateExpression(context); |
| |
| // Between it with whatever the rightForBetween expression and rightForAnd expressions are |
| whereClause = whereClause.between(getRightForBetween().generateExpression(context), getRightForAnd().generateExpression(context)); |
| |
| // and return the expression... |
| return whereClause; |
| } |
| |
| public Node getRightForAnd() { |
| return rightForAnd; |
| } |
| |
| public Node getRightForBetween() { |
| return rightForBetween; |
| } |
| |
| public boolean hasRightForAnd() { |
| return rightForAnd != null; |
| } |
| |
| public boolean hasRightForBetween() { |
| return rightForBetween != null; |
| } |
| |
| public void setRightForAnd(Node newRightForAnd) { |
| rightForAnd = newRightForAnd; |
| } |
| |
| public void setRightForBetween(Node newRightForBetween) { |
| rightForBetween = newRightForBetween; |
| } |
| } |