| /* |
| * Copyright (c) 2012, 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: |
| // vikram.jeet.bhatia@oracle.com |
| package org.eclipse.persistence.testing.tests.queries.optimization; |
| |
| import java.util.*; |
| |
| import org.eclipse.persistence.annotations.BatchFetchType; |
| import org.eclipse.persistence.expressions.Expression; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.legacy.Shipment; |
| |
| public class NestedBatchReadingNPETest extends TestCase { |
| public Vector result; |
| BatchFetchType batchType; |
| |
| public NestedBatchReadingNPETest(BatchFetchType batchType) { |
| setDescription("Tests batch reading nesting across 1-m and 1-1 mappings, shipment, orders and employee"); |
| this.batchType = batchType; |
| setName(getName() + batchType); |
| } |
| |
| @Override |
| public void reset() { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| } |
| |
| @Override |
| public void setup() { |
| if ((batchType == BatchFetchType.IN) && !getSession().getPlatform().isOracle()) { |
| throwWarning("Nested arrays not supported on this database"); |
| } |
| } |
| |
| @Override |
| public void test() { |
| ReadAllQuery query = new ReadAllQuery(); |
| query.setBatchFetchType(batchType); |
| query.setReferenceClass(Shipment.class); |
| Expression expression = query.getExpressionBuilder(); |
| Expression expression2List = expression.anyOfAllowingNone("orders"); |
| query.addBatchReadAttribute(expression2List); |
| query.addBatchReadAttribute(expression2List.getAllowingNull("employee").getAllowingNull("computer")); |
| result = (Vector)getSession().executeQuery(query); |
| } |
| |
| @Override |
| public void verify() { |
| // Nothing to verify, will test to verify NPE during executeQuery() above. |
| } |
| } |