Coverage Report - org.melati.poem.BigDecimalPoemType
 
Classes in this File Line Coverage Branch Coverage Complexity
BigDecimalPoemType
100%
25/25
80%
8/10
2.1
 
 1  
 /*
 2  
  * $Source$
 3  
  * $Revision$
 4  
  *
 5  
  * Copyright (C) 2003 Samuel Goldstein
 6  
  *
 7  
  * Part of Melati (http://melati.org), a framework for the rapid
 8  
  * development of clean, maintainable web applications.
 9  
  *
 10  
  * Melati is free software; Permission is granted to copy, distribute
 11  
  * and/or modify this software under the terms either:
 12  
  *
 13  
  * a) the GNU General Public License as published by the Free Software
 14  
  *    Foundation; either version 2 of the License, or (at your option)
 15  
  *    any later version,
 16  
  *
 17  
  *    or
 18  
  *
 19  
  * b) any version of the Melati Software License, as published
 20  
  *    at http://melati.org
 21  
  *
 22  
  * You should have received a copy of the GNU General Public License and
 23  
  * the Melati Software License along with this program;
 24  
  * if not, write to the Free Software Foundation, Inc.,
 25  
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
 26  
  * GNU General Public License and visit http://melati.org to obtain the
 27  
  * Melati Software License.
 28  
  *
 29  
  * Feel free to contact the Developers of Melati (http://melati.org),
 30  
  * if you would like to work out a different arrangement than the options
 31  
  * outlined here.  It is our intention to allow Melati to be used by as
 32  
  * wide an audience as possible.
 33  
  *
 34  
  * This program is distributed in the hope that it will be useful,
 35  
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 36  
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 37  
  * GNU General Public License for more details.
 38  
  *
 39  
  * Contact details for copyright holder:
 40  
  *
 41  
  *     Samuel Goldstein <samuel At 1969.ws>
 42  
  *     http://www.1969.ws
 43  
  *     13101 W. Washington Blvd Suite 248, Los Angeles, CA 90066 USA
 44  
  */
 45  
 
 46  
 package org.melati.poem;
 47  
 
 48  
 import java.sql.Types;
 49  
 import java.sql.ResultSet;
 50  
 import java.sql.PreparedStatement;
 51  
 import java.sql.SQLException;
 52  
 import java.math.BigDecimal;
 53  
 import org.melati.poem.dbms.Dbms;
 54  
 
 55  
 /**
 56  
  * Java "BigDecimal", dependant upon the database/SQL implementation.
 57  
  *
 58  
  * By default, this is a 22 digit number, with 2 digits after the
 59  
  * decimal.
 60  
  * */
 61  20
 public class BigDecimalPoemType extends FixedPointAtomPoemType<BigDecimal> {
 62  
 
 63  
   /**
 64  
    * Constructor.
 65  
    * 
 66  
    * @param nullable whether nullable 
 67  
    */
 68  
   public BigDecimalPoemType(boolean nullable) {
 69  108
     super(Types.DECIMAL, "DECIMAL", nullable, 22, 2);
 70  108
   }
 71  
 
 72  
   /**
 73  
    * Constructor.
 74  
    * 
 75  
    * @param nullable whether nullable 
 76  
    * @param precision defaults to 22
 77  
    * @param scale defaults to 2
 78  
    */
 79  
   public BigDecimalPoemType(boolean nullable, int precision, int scale) {
 80  294
     super(Types.DECIMAL, "DECIMAL", nullable, precision, scale);
 81  
     // because a newly added column of this type won't have valid 
 82  
     // numbers, we fix that here...
 83  
     // This does not appear to be needed - timp 01/01/2006
 84  
     /* 
 85  
     if (precision <= 0) {
 86  
       setPrecision(22);
 87  
     }
 88  
     if (scale < 0) {
 89  
       setScale(2);
 90  
     }
 91  
     */
 92  294
   }
 93  
 
 94  
   protected void _assertValidRaw(Object raw) {
 95  40
     if (raw != null && !(raw instanceof BigDecimal))
 96  8
       throw new TypeMismatchPoemException(raw, this);
 97  32
   }
 98  
 
 99  
   protected BigDecimal _getRaw(ResultSet rs, int col) throws SQLException {
 100  6
     synchronized (rs) {
 101  2
       BigDecimal x = rs.getBigDecimal(col);
 102  2
       return rs.wasNull() ? null : x; }
 103  
   }
 104  
 
 105  
   protected void _setRaw(PreparedStatement ps, int col, Object real)
 106  
     throws SQLException {
 107  6
     ps.setBigDecimal(col, ((BigDecimal)real));
 108  2
   }
 109  
 
 110  
   protected BigDecimal _rawOfString(String rawString) throws ParsingPoemException {
 111  
     try {
 112  14
       return new BigDecimal(rawString);
 113  2
     } catch (NumberFormatException e) {
 114  2
       throw new ParsingPoemException(this, rawString, e);
 115  
     }
 116  
   }
 117  
 
 118  
   protected String _sqlDefinition(Dbms dbms) {
 119  
     try {
 120  13
       return dbms.getFixedPtSqlDefinition(getScale(), getPrecision());
 121  2
     } catch (SQLException e) {
 122  2
       throw new SQLSeriousPoemException(e);
 123  
     }
 124  
   }
 125  
 
 126  
   /**
 127  
    * Whilst BigDecimal cannot represent all Doubles it can represent 
 128  
    * legacy money doubles, so we allow it to enable upgrades from Doubles 
 129  
    * to BigDecimals.
 130  
    * @see org.melati.poem.BasePoemType#_canRepresent(org.melati.poem.SQLPoemType)
 131  
    */
 132  
   protected boolean _canRepresent(SQLPoemType<?> other) {
 133  144
     return // sqlTypeCode() == other.sqlTypeCode() && //commented out to allow doubles  
 134  
            other instanceof BigDecimalPoemType || other instanceof DoublePoemType;
 135  
   }
 136  
 
 137  
   /**
 138  
    * @return the field type used in the Data Structure Definition language.
 139  
    */
 140  
   public String toDsdType() {
 141  4
     return "BigDecimal";
 142  
   }
 143  
 
 144  
   protected void _saveColumnInfo(ColumnInfo columnInfo)
 145  
     throws AccessPoemException {
 146  126
     columnInfo.setTypefactory(PoemTypeFactory.BIGDECIMAL);
 147  126
     columnInfo.setPrecision(getPrecision());
 148  126
     columnInfo.setScale(getScale());
 149  126
   }
 150  
 
 151  
 }