edu.udo.cs.miningmart.operator
Class DateToNumeric

java.lang.Object
  extended byedu.udo.cs.miningmart.operator.ExecutableOperator
      extended byedu.udo.cs.miningmart.operator.FeatureConstruction
          extended byedu.udo.cs.miningmart.operator.DateToNumeric

public class DateToNumeric
extends FeatureConstruction

Version:
$Id: DateToNumeric.java,v 1.5 2006/04/11 14:10:11 euler Exp $
Author:
Martin Scholz

Constructor Summary
DateToNumeric()
           
 
Method Summary
 java.lang.String generateSQL(Column targetColumn)
          Abstract method to be implemented by all subclasses.
 
Methods inherited from class edu.udo.cs.miningmart.operator.FeatureConstruction
compileStatement, createStatement, estimateStatistics, execute, generateColumnForOp, getCurrentLoopNumber, getTheInputConcept, getTheOutputAttribute, getTheOutputAttribute, getTheTargetAttribute, getTheTargetAttribute, load, writeResults
 
Methods inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator
autoPrint, checkConditions, doPrint, doPrint, executeBusinessSingleValueSqlRead, executeBusinessSingleValueSqlReadL, executeBusinessSqlRead, executeBusinessSqlWrite, executeM4SingleValueSqlRead, executeM4SingleValueSqlReadL, executeM4SqlRead, executeM4SqlWrite, getArtificalColumnName, getBusinessDbms, getHighestLoopNr, getM4Db, getM4Dbms, getM4ObjectFromCache, getName, getNextM4SequenceValue, getNumberOfLoops, getOperator, getOpParamsIterator, getParameter, getParameter, getSingleParameter, getSingleParameter, getStep, handleAssertions, isDeselectedParameter, isLoopable, isManual, isStepable, print, putM4ObjectToCache, showCreateStatement, storedProceduresAvailable
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DateToNumeric

public DateToNumeric()
Method Detail

generateSQL

public java.lang.String generateSQL(Column targetColumn)
                             throws M4CompilerError
Description copied from class: FeatureConstruction
Abstract method to be implemented by all subclasses. In this method the SQL definition for the Column which this operator creates is created.

Specified by:
generateSQL in class FeatureConstruction
Parameters:
targetColumn - The Column to which this FeatureConstruction Operator is applied. Some subclasses may ignore this parameter.
Returns:
An SQL definition for the newly constructed Column.
Throws:
M4CompilerError - A simple exception object with an error message.
See Also:
FeatureConstruction.generateSQL(Column)


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