| /* |
| * 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.datacache; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| import org.apache.openjpa.datacache.DataCache; |
| import org.apache.openjpa.datacache.DataCacheManager; |
| import org.apache.openjpa.datacache.QueryCache; |
| import org.apache.openjpa.datacache.QueryKey; |
| import org.apache.openjpa.kernel.Broker; |
| import org.apache.openjpa.kernel.BrokerFactory; |
| import org.apache.openjpa.kernel.Query; |
| import org.apache.openjpa.persistence.common.utils.AbstractTestCase; |
| |
| import junit.framework.TestCase; |
| |
| class CacheTestHelper { |
| |
| static void checkCache(AbstractTestCase tc, DataCache cache, Object[] ids, |
| boolean[] stati) { |
| for (int i = 0; i < ids.length; i++) { |
| if (stati[i]) |
| TestCase.assertTrue("id " + i + " (" + ids[i] |
| + ") was not in cache; should have been", |
| cache.contains(ids[i])); |
| else |
| TestCase.assertFalse("id " + i + " (" + ids[i] |
| + ") was in cache; should not have been", |
| cache.contains(ids[i])); |
| } |
| } |
| |
| static void assertInCache(AbstractTestCase tc, Query q, Boolean inCache) { |
| assertInCache(tc, q, inCache, new Object[0]); |
| } |
| |
| /** |
| * Test whether the given query has valid cached results. |
| * |
| * @param inCache if {@link Boolean#TRUE}, the query must have valid |
| * cached results; if {@link Boolean#FALSE} the query |
| * must not have any cached results; if null the |
| * query may have cached results, but they cannot be |
| * valid (i.e. they can't be returned to the user) |
| */ |
| static void assertInCache(AbstractTestCase tc, Query query, Boolean inCache, |
| Object[] args) { |
| QueryKey qk = QueryKey.newInstance(query, args); |
| Broker broker = query.getBroker(); |
| BrokerFactory factory = broker.getBrokerFactory(); |
| |
| QueryCache qc = cacheManager(factory).getSystemQueryCache(); |
| if (inCache == Boolean.FALSE && qc.get(qk) != null) { |
| TestCase.fail("query should not be in cache; was."); |
| } else if (inCache == Boolean.TRUE || (inCache == null |
| && qc.get(qk) != null)) { |
| Object res = (args == null) ? query.execute() |
| : query.execute(args); |
| if (inCache == Boolean.TRUE && |
| !isCachedResult(res, inCache, query.getBroker())) |
| TestCase.fail("query should be in cache; was not."); |
| else if (inCache == null && |
| isCachedResult(res, inCache, query.getBroker())) |
| TestCase.fail("query should not be returned to user; was."); |
| query.closeAll(); |
| } |
| } |
| |
| private static boolean isCachedResult(Object res, Boolean expected, |
| Broker broker) { |
| // we can only check for a CachedQueryResult if the |
| // Broker was configured to be a CacheTestBroker |
| if (!(broker instanceof CacheTestBroker)) |
| throw new IllegalArgumentException("Broker was not set to be " |
| + "a CacheTestBroker, making it impossible to verify " |
| + "if query result is cached"); |
| |
| if (res instanceof Collection) |
| return res instanceof CacheTestBroker.CachedQueryResult; |
| // no way to tell if unique results from cache |
| return expected; |
| } |
| |
| static void iterate(Collection c) { |
| // iterate through the collection so that the results have an |
| // opportunity to register themselves with the PM. |
| int count = 0; |
| for (Iterator iter = c.iterator(); iter.hasNext();) { |
| try { |
| count++; |
| iter.next(); |
| } catch (NoSuchElementException e) { |
| throw e; |
| } |
| } |
| } |
| |
| static DataCacheManager cacheManager(BrokerFactory factory) { |
| return factory.getConfiguration().getDataCacheManagerInstance(); |
| } |
| } |