edu.udo.cs.miningmart.operator
Class RemoveFeatures

java.lang.Object
  edu.udo.cs.miningmart.operator.ExecutableOperator
      edu.udo.cs.miningmart.operator.ConceptOperator
          edu.udo.cs.miningmart.operator.SingleCSOperator
              edu.udo.cs.miningmart.operator.FeatureSelection
                  edu.udo.cs.miningmart.operator.RemoveFeatures

public final class RemoveFeatures
extends FeatureSelection

This operator chooses all Features that are present in TheOutputConcept.

Version:

$Id: $

Author:

Timm Euler

Field Summary

Fields inherited from class edu.udo.cs.miningmart.operator.FeatureSelection

mySelectedFeatures

Fields inherited from class edu.udo.cs.miningmart.operator.ConceptOperator

suffixForIntermediateViews

Fields inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator

generatedSQLDefinitions

Constructor Summary

RemoveFeatures()

Method Summary

protected java.util.Collection	computeListOfAttributes(Feature[] theSuperset) Abstract method to be implemented by all subclasses.
protected Feature[]	getTheAttributes() Overrides the method from the superclass because this operator does not need the parameter "TheAttributes", which gives the set of features to select from.

Methods inherited from class edu.udo.cs.miningmart.operator.FeatureSelection

generateSQLDefinition, getTypeOfNewColumnSet, mustCopyFeature, occursIn, occursIn

Methods inherited from class edu.udo.cs.miningmart.operator.SingleCSOperator

generateColumnSetsForOp, generateSQLDefinition, getNewCSName, getTypeOfNewColumnSet, handleExtraOutputFeature

Methods inherited from class edu.udo.cs.miningmart.operator.ConceptOperator

compileStatement, createMetadata, createMetadataForOneBA, createSingleColumnSet, createStatement, generateColumns, getInputConcept, getNewCSName, getOutputConcept, getStringForSelection, setNewCSMultiStepBranch

Methods inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator

autoPrint, checkConditions, doPrint, doPrint, execute, executeBusinessSingleValueSqlRead, executeBusinessSingleValueSqlReadL, executeBusinessSqlRead, executeBusinessSqlWrite, executeM4SingleValueSqlRead, executeM4SingleValueSqlReadL, executeM4SqlRead, executeM4SqlWrite, getArtificalColumnName, getBusinessDbms, getHighestLoopNr, getM4Db, getM4Dbms, getM4ObjectFromCache, getName, getNextM4SequenceValue, getNumberOfLoops, getOperator, getOpParamsIterator, getParameter, getParameter, getParameterObjectsOfAllLoops, getSingleParameter, getSingleParameter, getStep, giveWarningForChangedInputData, handleAssertions, isDeselectedParameter, isLoopable, isManual, isStepable, load, print, putM4ObjectToCache, showCreateStatement, storedProceduresAvailable

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoveFeatures

public RemoveFeatures()

Method Detail

computeListOfAttributes

protected java.util.Collection computeListOfAttributes(Feature[] theSuperset)
                                                throws M4CompilerError

Description copied from class: FeatureSelection

Abstract method to be implemented by all subclasses.

Specified by:

computeListOfAttributes in class FeatureSelection

Parameters:

theSuperset - An array of Feature objects to which the selection is to be applied

Returns:

the selected Features as a Collection

Throws:

M4CompilerError

See Also:

edu.udo.cs.miningmart.m4.core.operator.FeatureSelection

getTheAttributes

protected Feature[] getTheAttributes()
                              throws M4CompilerError

Overrides the method from the superclass because this operator does not need the parameter "TheAttributes", which gives the set of features to select from.

Overrides:

getTheAttributes in class FeatureSelection

Returns:

an array of features

Throws:

M4CompilerError