| /* |
| * 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: |
| // dminsky - initial API and implementation |
| package org.eclipse.persistence.testing.tests.expressions; |
| |
| import java.util.*; |
| |
| import org.eclipse.persistence.mappings.*; |
| import org.eclipse.persistence.descriptors.*; |
| import org.eclipse.persistence.exceptions.*; |
| import org.eclipse.persistence.expressions.*; |
| import org.eclipse.persistence.queries.*; |
| |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| |
| /** |
| * Test using ExpressionBuilder.literal() (Creating a LiteralExpression) using a ReportQuery. |
| * The DB field "GENDER" should be printed as a literal, data should be returned for the |
| * ReportQuery gender alias, and an exception should not occur when executing the ReportQuery. |
| * Literal usage is: query.addAttribute("sysdate", builder.literal("SYSDATE")); |
| * |
| * EL Bug 247076 - LiteralExpression does not print SQL in statement |
| * @author dminsky |
| */ |
| |
| public class LiteralExpressionTest extends TestCase { |
| |
| protected EclipseLinkException exception; |
| protected Vector<ReportQueryResult> results; |
| |
| public LiteralExpressionTest() { |
| super(); |
| setDescription("Test using a LiteralExpression through ExpressionBuilder.literal()"); |
| } |
| |
| @Override |
| public void test() { |
| ClassDescriptor descriptor = getSession().getDescriptor(Employee.class); |
| DatabaseMapping genderMapping = descriptor.getMappingForAttributeName("gender"); |
| String genderFieldName = genderMapping.getField().getName(); |
| |
| ReportQuery query = new ReportQuery(Employee.class, new ExpressionBuilder()); |
| ExpressionBuilder builder = query.getExpressionBuilder(); |
| |
| query.addAttribute("id", builder.get("id")); |
| // Use a literal. Mapped in the DB as 'M' and 'F' |
| query.addAttribute("gender", builder.literal(genderFieldName)); |
| query.addAttribute("firstName", builder.get("firstName")); |
| query.addAttribute("lastName", builder.get("lastName")); |
| |
| try { |
| results = (Vector<ReportQueryResult>)getSession().executeQuery(query); |
| } catch (EclipseLinkException ex) { |
| this.exception = ex; |
| } |
| } |
| |
| @Override |
| public void verify() { |
| if (exception != null) { |
| throw new TestErrorException("An exception occurred executing a ReportQuery with a literal expression", exception); |
| } |
| if (results == null || results.isEmpty()) { |
| throw new TestErrorException("Unexpected error - no ReportQuery results returned"); |
| } |
| for (int i = 0; i < results.size(); i++) { |
| ReportQueryResult rqr = results.get(i); |
| Object gender = rqr.get("gender"); |
| if (gender == null) { |
| throw new TestErrorException("ReportQueryResult does not contain entries for 'gender', literal not added"); |
| } |
| } |
| } |
| |
| } |