Coverage report

  %line %branch
org.apache.torque.adapter.DBInformix
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 1  
 package org.apache.torque.adapter;
 2  
 
 3  
 /*
 4  
  * Copyright 2001-2005 The Apache Software Foundation.
 5  
  *
 6  
  * Licensed under the Apache License, Version 2.0 (the "License")
 7  
  * you may not use this file except in compliance with the License.
 8  
  * You may obtain a copy of the License at
 9  
  *
 10  
  *     http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 
 19  
 import java.sql.Connection;
 20  
 import java.sql.SQLException;
 21  
 import java.sql.Statement;
 22  
 
 23  
 /**
 24  
  * This code should be used for an Informix database pool.
 25  
  *
 26  
  * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a>
 27  
  * @author <a href="mailto:bpm@ec-group.com">Brian P Millett</a>
 28  
  * @version $Id: DBInformix.java 239630 2005-08-24 12:25:32Z henning $
 29  
  */
 30  
 public class DBInformix extends DB
 31  
 {
 32  
     /**
 33  
      * Empty constructor.
 34  
      */
 35  
     protected DBInformix()
 36  0
     {
 37  0
     }
 38  
 
 39  
     /**
 40  
      * This method is used to ignore case.  Problem is that Informix
 41  
      * does not have an UPPER function.  So the best would be to do
 42  
      * nothing.
 43  
      *
 44  
      * @param in The string to transform to upper case.
 45  
      * @return The upper case string.
 46  
      */
 47  
     public String toUpperCase(String in)
 48  
     {
 49  0
         return in;
 50  
     }
 51  
 
 52  
     /**
 53  
      * This method is used to ignore case.  Problem is that Informix
 54  
      * does not have an UPPER function.  So the best would be to do
 55  
      * nothing.
 56  
      *
 57  
      * @param in The string whose case to ignore.
 58  
      * @return The string in a case that can be ignored.
 59  
      */
 60  
     public String ignoreCase(String in)
 61  
     {
 62  0
         return in;
 63  
     }
 64  
 
 65  
     /**
 66  
      * @see org.apache.torque.adapter.DB#getIDMethodType()
 67  
      */
 68  
     public String getIDMethodType()
 69  
     {
 70  0
         return NO_ID_METHOD;
 71  
     }
 72  
 
 73  
     /**
 74  
      * @see org.apache.torque.adapter.DB#getIDMethodSQL(Object obj)
 75  
      */
 76  
     public String getIDMethodSQL(Object obj)
 77  
     {
 78  0
         return null;
 79  
     }
 80  
 
 81  
     /**
 82  
      * The method is used to lock a table.
 83  
      *
 84  
      * @param con The JDBC connection to use.
 85  
      * @param table The name of the table to lock.
 86  
      * @exception SQLException No Statement could be created or executed.
 87  
      */
 88  
     public void lockTable(Connection con, String table) throws SQLException
 89  
     {
 90  0
         Statement statement = con.createStatement();
 91  
 
 92  0
         StringBuffer stmt = new StringBuffer();
 93  0
         stmt.append("LOCK TABLE ")
 94  
         .append(table)
 95  
         .append(" IN EXCLUSIVE MODE");
 96  
 
 97  0
         statement.executeQuery(stmt.toString());
 98  0
     }
 99  
 
 100  
     /**
 101  
      * The method is used to unlock a table.
 102  
      *
 103  
      * @param con The JDBC connection to use.
 104  
      * @param table The name of the table to unlock.
 105  
      * @exception SQLException No Statement could be created or executed.
 106  
      */
 107  
     public void unlockTable(Connection con, String table) throws SQLException
 108  
     {
 109  
         // Tables in Informix are unlocked when a commit is issued.
 110  
         // The user may have issued a commit but do it here to be
 111  
         // sure.
 112  0
         con.commit();
 113  0
     }
 114  
 }

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