Coverage report

  %line %branch
org.apache.torque.adapter.DBInformix
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 1  
 package org.apache.torque.adapter;
 2  
 
 3  
 /*
 4  
  * Licensed to the Apache Software Foundation (ASF) under one
 5  
  * or more contributor license agreements.  See the NOTICE file
 6  
  * distributed with this work for additional information
 7  
  * regarding copyright ownership.  The ASF licenses this file
 8  
  * to you under the Apache License, Version 2.0 (the
 9  
  * "License"); you may not use this file except in compliance
 10  
  * with the License.  You may obtain a copy of the License at
 11  
  *
 12  
  *   http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing,
 15  
  * software distributed under the License is distributed on an
 16  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17  
  * KIND, either express or implied.  See the License for the
 18  
  * specific language governing permissions and limitations
 19  
  * under the License.
 20  
  */
 21  
 
 22  
 import java.sql.Connection;
 23  
 import java.sql.SQLException;
 24  
 import java.sql.Statement;
 25  
 
 26  
 /**
 27  
  * This code should be used for an Informix database pool.
 28  
  *
 29  
  * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a>
 30  
  * @author <a href="mailto:bpm@ec-group.com">Brian P Millett</a>
 31  
  * @version $Id: DBInformix.java 473821 2006-11-11 22:37:25Z tv $
 32  
  */
 33  
 public class DBInformix extends AbstractDBAdapter
 34  
 {
 35  
     /**
 36  
      * Serial version
 37  
      */
 38  
     private static final long serialVersionUID = 2599963509284952957L;
 39  
 
 40  
     /**
 41  
      * Empty constructor.
 42  
      */
 43  
     protected DBInformix()
 44  0
     {
 45  0
     }
 46  
 
 47  
     /**
 48  
      * This method is used to ignore case.  Problem is that Informix
 49  
      * does not have an UPPER function.  So the best would be to do
 50  
      * nothing.
 51  
      *
 52  
      * @param in The string to transform to upper case.
 53  
      * @return The upper case string.
 54  
      */
 55  
     public String toUpperCase(String in)
 56  
     {
 57  0
         return in;
 58  
     }
 59  
 
 60  
     /**
 61  
      * This method is used to ignore case.  Problem is that Informix
 62  
      * does not have an UPPER function.  So the best would be to do
 63  
      * nothing.
 64  
      *
 65  
      * @param in The string whose case to ignore.
 66  
      * @return The string in a case that can be ignored.
 67  
      */
 68  
     public String ignoreCase(String in)
 69  
     {
 70  0
         return in;
 71  
     }
 72  
 
 73  
     /**
 74  
      * @see org.apache.torque.adapter.DB#getIDMethodType()
 75  
      */
 76  
     public String getIDMethodType()
 77  
     {
 78  0
         return NO_ID_METHOD;
 79  
     }
 80  
 
 81  
     /**
 82  
      * @see org.apache.torque.adapter.DB#getIDMethodSQL(Object obj)
 83  
      */
 84  
     public String getIDMethodSQL(Object obj)
 85  
     {
 86  0
         return null;
 87  
     }
 88  
 
 89  
     /**
 90  
      * The method is used to lock a table.
 91  
      *
 92  
      * @param con The JDBC connection to use.
 93  
      * @param table The name of the table to lock.
 94  
      * @exception SQLException No Statement could be created or executed.
 95  
      */
 96  
     public void lockTable(Connection con, String table) throws SQLException
 97  
     {
 98  0
         Statement statement = con.createStatement();
 99  
 
 100  0
         StringBuffer stmt = new StringBuffer();
 101  0
         stmt.append("LOCK TABLE ")
 102  
         .append(table)
 103  
         .append(" IN EXCLUSIVE MODE");
 104  
 
 105  0
         statement.executeQuery(stmt.toString());
 106  0
     }
 107  
 
 108  
     /**
 109  
      * The method is used to unlock a table.
 110  
      *
 111  
      * @param con The JDBC connection to use.
 112  
      * @param table The name of the table to unlock.
 113  
      * @exception SQLException No Statement could be created or executed.
 114  
      */
 115  
     public void unlockTable(Connection con, String table) throws SQLException
 116  
     {
 117  
         // Tables in Informix are unlocked when a commit is issued.
 118  
         // The user may have issued a commit but do it here to be
 119  
         // sure.
 120  0
         con.commit();
 121  0
     }
 122  
 }

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