| /* |
| * Copyright (c) 1998, 2019 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.Expression; |
| |
| /** |
| * INTERNAL |
| * <p><b>Purpose</b>: This node represnts a Parameter (?1) in an EJBQL |
| * <p><b>Responsibilities</b>:<ul> |
| * <li> Generate the correct expression for an AND in EJBQL |
| * <li> Maintain a |
| * <li> |
| * </ul> |
| * @author Jon Driscoll and Joel Lucuik |
| * @since TopLink 4.0 |
| */ |
| public class ParameterNode extends Node { |
| |
| /** */ |
| private String name; |
| |
| /** |
| * Return a new ParameterNode. |
| */ |
| public ParameterNode() { |
| super(); |
| } |
| |
| /** |
| * INTERNAL |
| * Create a new ParameterNode with the passed string. |
| * @param newParameterName java.lang.String |
| */ |
| public ParameterNode(String newParameterName) { |
| setParameterName(newParameterName); |
| } |
| |
| /** |
| * INTERNAL |
| */ |
| @Override |
| public void validateParameter(ParseTreeContext context, Object contextType) { |
| context.defineParameterType(name, contextType, getLine(), getColumn()); |
| setType(context.getParameterType(name)); |
| } |
| |
| /** |
| * Generate the result expression, must use the base builder |
| * to avoid getting multiple builders. |
| */ |
| @Override |
| public Expression generateExpression(GenerationContext context) { |
| Expression whereClause = context.getBaseExpression().getParameter(getParameterName(), getType()); |
| return whereClause; |
| } |
| |
| /** |
| * INTERNAL |
| * Return the parameterName |
| */ |
| @Override |
| public String getAsString() { |
| return getParameterName(); |
| } |
| |
| /** |
| * INTERNAL |
| * Return the parameter name |
| */ |
| public String getParameterName() { |
| return name; |
| } |
| |
| /** */ |
| public void setParameterName(String name) { |
| this.name = name; |
| } |
| |
| /** |
| * INTERNAL |
| * Yes this is a Parameter node |
| */ |
| @Override |
| public boolean isParameterNode() { |
| return true; |
| } |
| |
| } |