proper.engine
Class Relaggs

java.lang.Object
  proper.core.ProperObject
      proper.engine.Engine
          proper.engine.DatabaseEngine
              proper.engine.Relaggs

All Implemented Interfaces:

ProperInterface

public class Relaggs
extends DatabaseEngine

This class is a wrapper around RELAGGS (Propositionalization of a relational data model). TODO: adapt to JoinTreeNode

Version:

$Revision: 1.5 $

Author:

FracPete

Field Summary

static java.lang.String

COLUMN_PREFIX the prefix used for duplicate columns (a number and a "_" is added, i.e.

Fields inherited from interface proper.core.ProperInterface

VERSION

Constructor Summary

Relaggs()
initializes the object

Method Summary

boolean

execute() executes the propositionalization via RELAGGS

Methods inherited from class proper.engine.Engine

clear, copyParameter, exists, getParameter, getParameters, getStringParameter, setParameter, setParameters, toString, valueEquals

Methods inherited from class proper.core.ProperObject

addListener, addOutput, classInVerbose, debugprint, debugprint, debugprint, debugprint, debugprintln, debugprintln, debugprintln, debugprintln, debugprintln, getListeners, getRuntime, getVerbose, getVerboseLevel, getVerboseLevelForClass, getVerboseString, getVerboseStringForClass, notifyListener, notifyListeners, print, print, print, print, println, println, println, println, println, printMemory, removeListener, setOutput, setVerbose, setVerboseLevel, setVerboseString

Methods inherited from class java.lang.Object

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

Field Detail

COLUMN_PREFIX

public static final java.lang.String COLUMN_PREFIX

the prefix used for duplicate columns (a number and a "_" is added, i.e. it could look like "dup1_" or "dup12_")

See Also:

Constant Field Values

Constructor Detail

Relaggs

public Relaggs()

initializes the object

Method Detail

execute

public boolean execute()

executes the propositionalization via RELAGGS

Overrides:

execute in class Engine