| /* |
| * 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: |
| // tware - added as part of JPQL extensions for JPA 2.0 |
| package org.eclipse.persistence.internal.expressions; |
| |
| import org.eclipse.persistence.expressions.Expression; |
| |
| /** |
| * INTERNAL: |
| * This expression represents a date represented in JDBC escape syntax, for instance, the String: |
| * {d '1901-01-01'} can be used to represent a Date and use used only by the JPQL parser. |
| * |
| * This is different from a ConstantExpression because this value is never converted with the conversion |
| * manager and is printed out as-is |
| * |
| * The only validation for this type of expression will be from the JDBC driver. |
| * |
| * @author tware |
| * |
| */ |
| public class DateConstantExpression extends ConstantExpression { |
| |
| public DateConstantExpression() { |
| super(); |
| } |
| |
| public DateConstantExpression(Object newValue, Expression baseExpression) { |
| super(newValue, baseExpression); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for debug printing. |
| */ |
| @Override |
| public String descriptionOfNodeType() { |
| return "DateConstant"; |
| } |
| |
| /** |
| * INTERNAL: |
| * Print SQL onto the stream, using the ExpressionPrinter for context |
| */ |
| @Override |
| public void printSQL(ExpressionSQLPrinter printer) { |
| printer.printString((String)this.value); |
| } |
| |
| } |