| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.openjpa.persistence.query; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import org.apache.openjpa.kernel.FetchConfiguration; |
| import org.apache.openjpa.kernel.Query; |
| import org.apache.openjpa.kernel.QueryLanguages; |
| import org.apache.openjpa.kernel.StoreContext; |
| import org.apache.openjpa.lib.rop.ListResultObjectProvider; |
| import org.apache.openjpa.lib.rop.ResultObjectProvider; |
| import org.apache.openjpa.meta.ClassMetaData; |
| import org.apache.openjpa.persistence.ArgumentException; |
| import org.apache.openjpa.persistence.OpenJPAQuery; |
| import org.apache.openjpa.persistence.test.SingleEMTestCase; |
| |
| /** |
| * Tests MethodQL. |
| * |
| * The 'user method' is simply echos the parameters set on the query. |
| * |
| * @author Pinaki Poddar |
| * |
| */ |
| public class TestMethodQLQuery |
| extends SingleEMTestCase { |
| |
| @Override |
| public void setUp() { |
| setUp(SimpleEntity.class); |
| } |
| |
| OpenJPAQuery createMethodQuery(String method) { |
| String methodName = getClass().getName()+ "." + method; |
| return em.createQuery(QueryLanguages.LANG_METHODQL, methodName); |
| } |
| |
| public void testMethodQLWithParameters() { |
| OpenJPAQuery q = createMethodQuery("echo"); |
| Query kernelQ = q.unwrap(Query.class); |
| kernelQ.declareParameters("String firstName, String lastName"); |
| q.setParameter("firstName", "Fred").setParameter("lastName", "Lucas"); |
| Object result = q.getResultList().get(0); |
| assertTrue(result instanceof Map); |
| Map params = (Map)result; |
| assertEquals("Fred", params.get("firstName")); |
| assertEquals("Lucas", params.get("lastName")); |
| } |
| |
| public void testMethodQLWithoutParametersDeclared() { |
| OpenJPAQuery q = createMethodQuery("echo"); |
| Object result = q.getResultList().get(0); |
| assertTrue(result instanceof Map); |
| assertTrue(((Map)result).isEmpty()); |
| } |
| |
| public void testInvalidMethodReturnType() { |
| OpenJPAQuery q = createMethodQuery("invalidReturnMeth"); |
| try { |
| q.getResultList().get(0); |
| fail("should have gotten an exception since method is invalid"); |
| } catch (ArgumentException ae) { |
| // expected |
| } |
| } |
| |
| public void testVoidMethodReturnType() { |
| OpenJPAQuery q = createMethodQuery("voidMeth"); |
| try { |
| q.getResultList().get(0); |
| fail("should have gotten an exception since method is invalid"); |
| } catch (ArgumentException ae) { |
| // expected |
| } |
| } |
| |
| /** |
| * Returns the list whose element is the Map of input parameters. |
| */ |
| public static ResultObjectProvider echo(StoreContext ctx, |
| ClassMetaData meta, boolean subs, Map params, FetchConfiguration conf) { |
| return new ListResultObjectProvider(Collections.singletonList(params)); |
| } |
| |
| public static void voidMeth(StoreContext ctx, |
| ClassMetaData meta, boolean subs, Map params, FetchConfiguration conf) { |
| } |
| |
| public static Object invalidReturnMeth(StoreContext ctx, |
| ClassMetaData meta, boolean subs, Map params, FetchConfiguration conf) { |
| return null; |
| } |
| } |