uk.co.weft.dbutil
Class BitColumnDescriptor

java.lang.Object
  uk.co.weft.dbutil.ColumnDescriptor
      uk.co.weft.dbutil.BitColumnDescriptor

public class BitColumnDescriptor

extends ColumnDescriptor

A descriptor for an bit column

Version:

$Revision: 1.2.4.1 $ This revision: $Author: simon $

Author:

Simon Brooke

Constructor Summary

BitColumnDescriptor(java.lang.String n)
Creates a new BitColumnDescriptor object.

Method Summary

protected java.lang.String	format(Context c) Format a bit for sending to the database.
protected java.lang.Object	interpret(Context context, java.sql.ResultSet results) put into this context an interpretation of the value of my name in these results.

Methods inherited from class uk.co.weft.dbutil.ColumnDescriptor

createColumnDescriptor, formatForInsert, formatForMatch, formatForMatch, formatForSelect, formatForUpdate, genKey, quoteValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BitColumnDescriptor

public BitColumnDescriptor(java.lang.String n)

Creates a new BitColumnDescriptor object.

Parameters:

n - DOCUMENT ME!

Method Detail

format

protected java.lang.String format(Context c)
                           throws DataFormatException

Format a bit for sending to the database.

Overrides:

format in class ColumnDescriptor

Parameters:

c - the in which to find my vallue

Returns:

the string "1" if my value can be coerced to Boolean.TRUE, "0" otherwise.

Throws:

DataFormatException

See Also:

for rules about how we coerce a value to a Boolean

interpret

protected java.lang.Object interpret(Context context,
                                     java.sql.ResultSet results)
                              throws DataFormatException

put into this context an interpretation of the value of my name in these results. Return the interpretation. This method used to use Boolean.valueOf() until I discovered that Boolean.valueOf( "t") -> false!

Overrides:

interpret in class ColumnDescriptor

Throws:

DataFormatException