| /* |
| |
| Derby - Class org.apache.derbyTesting.functionTests.util.T_Access |
| |
| 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.derbyTesting.functionTests.util; |
| |
| import org.apache.derby.iapi.sql.conn.LanguageConnectionContext; |
| import org.apache.derby.iapi.sql.conn.ConnectionUtil; |
| import org.apache.derby.iapi.store.access.AccessFactory; |
| import java.sql.SQLException; |
| |
| /** |
| This class provides mechanism to call access Factory methods from sql-j. |
| */ |
| |
| public class T_Access |
| { |
| |
| public static AccessFactory getAccessFactory() throws SQLException |
| { |
| LanguageConnectionContext lcc = ConnectionUtil.getCurrentLCC(); |
| return lcc.getTransactionExecute().getAccessManager(); |
| } |
| |
| /* |
| *Followng call waits until post commit thread queue is empty. |
| *This call is useful for tests which checks for the following type |
| *of cases: |
| * 1) Checking for space usage after delete statements |
| * 2) Checking for locks when delete statements are involved, |
| * because post commit thread might be holding locks when |
| * checking for snap shot of locks, so best thing to do |
| * to get consistent results is to call the following function |
| * before checking for locks (eg: store/updatelocks.sql) |
| * 3) Depending on whethere the space is not released yet by the post commit thread |
| * for commited deletes or not can change the order of rows in the heap. |
| * In such cases , it is good idea to call this method before doing |
| * inserts(Even adding/dropping constraints can have effect because they |
| * do inderectly deletes/inserts on system tables.) eg: lang/fk_nonsps.sql |
| */ |
| public static void waitForPostCommitToFinish() throws SQLException |
| { |
| AccessFactory af = getAccessFactory(); |
| af.waitForPostCommitToFinishWork(); |
| } |
| } |
| |