org.melati.poem
Class BigDecimalPoemType

java.lang.Object
  org.melati.poem.BasePoemType<T>
      org.melati.poem.AtomPoemType
          org.melati.poem.FixedPointAtomPoemType
              org.melati.poem.BigDecimalPoemType

All Implemented Interfaces:

Cloneable, PoemType, SQLPoemType, SQLType

public class BigDecimalPoemType
extends FixedPointAtomPoemType

Java "BigDecimal", dependant upon the database/SQL implementation. By default, this is a 22 digit number, with 2 digits after the decimal.

Field Summary

Fields inherited from class org.melati.poem.AtomPoemType

sqlTypeName

Fields inherited from class org.melati.poem.BasePoemType

nullable

Constructor Summary

BigDecimalPoemType(boolean nullable)
Constructor.

BigDecimalPoemType(boolean nullable, int precision, int scale)
Constructor.

Method Summary

protected void	_assertValidRaw(Object raw)
protected boolean	_canRepresent(SQLPoemType other) Whilst BigDecimal cannot represent all Doubles it can represent legacy money doubles, so we allow it to enable upgrades from Doubles to BigDecimals.
protected Object	_getRaw(ResultSet rs, int col)
protected Object	_rawOfString(String rawString) Converts a non-null string to an appropriate value for insertion into the underlying DBMS.
protected void	_saveColumnInfo(ColumnInfo columnInfo)
protected void	_setRaw(PreparedStatement ps, int col, Object real)
protected String	_sqlDefinition(Dbms dbms)
String	toDsdType() The field type used in the Data Structure Definition language.

Methods inherited from class org.melati.poem.FixedPointAtomPoemType

getPrecision, getScale, getTotalSize, setPrecision, setScale, withPrecisionAndScale

Methods inherited from class org.melati.poem.AtomPoemType

_assertValidCooked, _cookedOfRaw, _quotedRaw, _rawOfCooked, _stringOfCooked, _stringOfRaw, _toString, sqlDefaultValue

Methods inherited from class org.melati.poem.BasePoemType

_possibleRaws, assertValidCooked, assertValidRaw, canRepresent, clone, cookedOfRaw, getLimitRaw, getLowRaw, getNullable, getRaw, possibleRaws, quotedRaw, rawOfCooked, rawOfString, saveColumnInfo, setRaw, setRawRange, sqlDefinition, sqlTypeCode, sqlTypeDefinition, stringOfCooked, stringOfRaw, toString, withNullable

Methods inherited from class java.lang.Object

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

Constructor Detail

BigDecimalPoemType

public BigDecimalPoemType(boolean nullable)

Constructor.

Parameters:

nullable - whether nullable

BigDecimalPoemType

public BigDecimalPoemType(boolean nullable,
                          int precision,
                          int scale)

Constructor.

Parameters:

nullable - whether nullable

precision - defaults to 22

scale - defaults to 2

Method Detail

_assertValidRaw

protected void _assertValidRaw(Object raw)

Specified by:

_assertValidRaw in class BasePoemType

_getRaw

protected Object _getRaw(ResultSet rs,
                         int col)
                  throws SQLException

Specified by:

_getRaw in class BasePoemType

Throws:

SQLException

_setRaw

protected void _setRaw(PreparedStatement ps,
                       int col,
                       Object real)
                throws SQLException

Specified by:

_setRaw in class BasePoemType

Throws:

SQLException

_rawOfString

protected Object _rawOfString(String rawString)
                       throws ParsingPoemException

Description copied from class: BasePoemType

Converts a non-null string to an appropriate value for insertion into the underlying DBMS.

Specified by:

_rawOfString in class BasePoemType

Throws:

ParsingPoemException

_sqlDefinition

protected String _sqlDefinition(Dbms dbms)

Overrides:

_sqlDefinition in class AtomPoemType

_canRepresent

protected boolean _canRepresent(SQLPoemType other)

Whilst BigDecimal cannot represent all Doubles it can represent legacy money doubles, so we allow it to enable upgrades from Doubles to BigDecimals.

Specified by:

_canRepresent in class BasePoemType

See Also:

BasePoemType._canRepresent(org.melati.poem.SQLPoemType)

toDsdType

public String toDsdType()

Description copied from interface: PoemType

The field type used in the Data Structure Definition language.

Returns:

the field type used in the Data Structure Definition language.

_saveColumnInfo

protected void _saveColumnInfo(ColumnInfo columnInfo)
                        throws AccessPoemException

Specified by:

_saveColumnInfo in class BasePoemType

Throws:

AccessPoemException