Coverage report

  %line %branch
org.apache.torque.util.SqlEnum
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 1  
 package org.apache.torque.util;
 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  
 /**
 20  
  * A typesafe enum of SQL string fragments.  Used by Criteria and SqlExpression
 21  
  * to build queries.  Criteria also makes most of the constants available
 22  
  * in order to specify a criterion.
 23  
  *
 24  
  * @author <a href="mailto:jmcnally@collab.net"></a>
 25  
  * @author <a href="mailto:fischer@seitenbau.de">Thomas Fischer</a>
 26  
  * @version $Id: SqlEnum.java 239639 2005-08-24 12:39:47Z henning $
 27  
  * @since 3.0
 28  
  */
 29  
 public class SqlEnum implements java.io.Serializable
 30  
 {
 31  
     private final String s;
 32  
 
 33  
     private SqlEnum(String s)
 34  56
     {
 35  56
         this.s = s;
 36  56
     }
 37  
 
 38  
     public final String toString()
 39  
     {
 40  59
         return s;
 41  
     }
 42  
 
 43  2
     public static final SqlEnum EQUAL =
 44  
         new SqlEnum("=");
 45  2
     public static final SqlEnum NOT_EQUAL =
 46  
             new SqlEnum("<>");
 47  2
     public static final SqlEnum ALT_NOT_EQUAL =
 48  
         new SqlEnum("!=");
 49  2
     public static final SqlEnum GREATER_THAN =
 50  
         new SqlEnum(">");
 51  2
     public static final SqlEnum LESS_THAN =
 52  
         new SqlEnum("<");
 53  2
     public static final SqlEnum GREATER_EQUAL =
 54  
         new SqlEnum(">=");
 55  2
     public static final SqlEnum LESS_EQUAL =
 56  
         new SqlEnum("<=");
 57  2
     public static final SqlEnum LIKE =
 58  
         new SqlEnum(" LIKE ");
 59  2
     public static final SqlEnum NOT_LIKE =
 60  
         new SqlEnum(" NOT LIKE ");
 61  2
     public static final SqlEnum ILIKE =
 62  
         new SqlEnum(" ILIKE ");
 63  2
     public static final SqlEnum NOT_ILIKE =
 64  
         new SqlEnum(" NOT ILIKE ");
 65  2
     public static final SqlEnum IN =
 66  
         new SqlEnum(" IN ");
 67  2
     public static final SqlEnum NOT_IN =
 68  
         new SqlEnum(" NOT IN ");
 69  2
     public static final SqlEnum CUSTOM =
 70  
         new SqlEnum("CUSTOM");
 71  2
     public static final SqlEnum JOIN =
 72  
         new SqlEnum("JOIN");
 73  2
     public static final SqlEnum DISTINCT =
 74  
         new SqlEnum("DISTINCT ");
 75  2
     public static final SqlEnum ALL =
 76  
         new SqlEnum("ALL ");
 77  2
     public static final SqlEnum ASC =
 78  
         new SqlEnum("ASC");
 79  2
     public static final SqlEnum DESC =
 80  
         new SqlEnum("DESC");
 81  2
     public static final SqlEnum ISNULL =
 82  
         new SqlEnum(" IS NULL ");
 83  2
     public static final SqlEnum ISNOTNULL =
 84  
         new SqlEnum(" IS NOT NULL ");
 85  2
     public static final SqlEnum CURRENT_DATE =
 86  
         new SqlEnum("CURRENT_DATE");
 87  2
     public static final SqlEnum CURRENT_TIME =
 88  
         new SqlEnum("CURRENT_TIME");
 89  2
     public static final SqlEnum LEFT_JOIN =
 90  
         new SqlEnum(" LEFT JOIN ");
 91  2
     public static final SqlEnum RIGHT_JOIN =
 92  
         new SqlEnum(" RIGHT JOIN ");
 93  2
     public static final SqlEnum INNER_JOIN =
 94  
         new SqlEnum(" INNER JOIN ");
 95  2
     public static final SqlEnum ON =
 96  
         new SqlEnum(" ON ");
 97  2
     public static final SqlEnum AS =
 98  
         new SqlEnum(" AS ");
 99  
 
 100  
     /**
 101  
      * returns whether o is the same SqlEnum as this object.
 102  
      * Two SqlEnums are considered equal if they contain the same String.
 103  
      * @param o the object to compare the SqlEnum with.
 104  
      */
 105  
     public boolean equals(Object o)
 106  
     {
 107  320
         if (o == null)
 108  
         {
 109  0
             return false;
 110  
         }
 111  
 
 112  320
         if (! (o instanceof SqlEnum))
 113  
         {
 114  0
             return false;
 115  
         }
 116  
 
 117  320
         SqlEnum otherEnum = (SqlEnum) o;
 118  
 
 119  
 
 120  
         // both null: true
 121  
         // other null, this not null: false
 122  
         // else compare
 123  320
         return (otherEnum.s == null)
 124  
                 ? (s == null)
 125  
                 : otherEnum.s.equals(s);
 126  
     }
 127  
 
 128  
     /**
 129  
      * returns a hashcode for this object which is consistent with equals()
 130  
      */
 131  
     public int hashCode()
 132  
     {
 133  12
         return (s == null)
 134  
                 ? 0
 135  
                 : s.hashCode();
 136  
     }
 137  
 }

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