net.ontopia.topicmaps.db2tm
Class MappingVirtualColumn

java.lang.Object
  net.ontopia.topicmaps.db2tm.MappingVirtualColumn

All Implemented Interfaces:

ValueIF

public class MappingVirtualColumn
extends java.lang.Object
implements ValueIF

INTERNAL: Virtual column that used a hash table to map from old value to new value. A default value can also be specified when no entry exists.

Field Summary

protected int	cix
protected java.lang.String	colname
protected boolean	defaultSpecified
protected java.lang.String	defaultValue
protected java.lang.String	inputColumn
protected boolean	isVirtualColumn
protected Relation	relation
protected java.util.Map	table

Method Summary

void	addMapping(java.lang.String from_value, java.lang.String to_value)
java.lang.String	getValue(java.lang.String[] tuple) INTERNAL: Returns the value of the virtual column.
void	setDefault(java.lang.String defaultValue)

Methods inherited from class java.lang.Object

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

Field Detail

relation

protected Relation relation

colname

protected java.lang.String colname

table

protected java.util.Map table

defaultValue

protected java.lang.String defaultValue

defaultSpecified

protected boolean defaultSpecified

isVirtualColumn

protected boolean isVirtualColumn

inputColumn

protected java.lang.String inputColumn

cix

protected int cix

Method Detail

getValue

public java.lang.String getValue(java.lang.String[] tuple)

Description copied from interface: ValueIF

INTERNAL: Returns the value of the virtual column.

Specified by:

getValue in interface ValueIF

addMapping

public void addMapping(java.lang.String from_value,
                       java.lang.String to_value)

setDefault

public void setDefault(java.lang.String defaultValue)