org.openware.job.data
Class InternalValue

java.lang.Object
  |
  +--org.openware.job.data.InternalValue

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

InternalBooleanValue, InternalDateValue, InternalNumberValue, InternalStringValue

public abstract class InternalValue

extends java.lang.Object

implements java.io.Serializable

This class stores the value of a database column and/or a Java class field in a neutral format (e.g. as a String). The various converter classes are used to go between the various types DB-->internal-->Java, for instance.

Version:

$Revision: 1.6 $ $Date: 2001/06/21 01:09:34 $

Author:

Vincent Sheffer

See Also:

Serialized Form

Field Summary

protected java.lang.String

internalValue

Constructor Summary

InternalValue(java.lang.String colname)

Method Summary

java.lang.String	getColumnName()
java.lang.String	getInternalValue()
abstract java.lang.String	getSqlColumn(Converter converter, java.lang.String alias)
abstract java.lang.String	getSqlValue(Converter converter)
boolean	isClean()
boolean	isNull()
void	setInternalValue(java.lang.String value)
abstract InternalValue	shallowCopy()
protected abstract void	validate()

Methods inherited from class java.lang.Object

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

Field Detail

internalValue

protected java.lang.String internalValue

Constructor Detail

InternalValue

public InternalValue(java.lang.String colname)

Method Detail

getColumnName

public java.lang.String getColumnName()

getInternalValue

public java.lang.String getInternalValue()

setInternalValue

public void setInternalValue(java.lang.String value)

isClean

public boolean isClean()

isNull

public boolean isNull()

shallowCopy

public abstract InternalValue shallowCopy()

getSqlColumn

public abstract java.lang.String getSqlColumn(Converter converter,
                                              java.lang.String alias)

getSqlValue

public abstract java.lang.String getSqlValue(Converter converter)

validate

protected abstract void validate()
                          throws PersistException