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java.lang.Objectedu.udo.cs.miningmart.operator.ExecutableOperator
edu.udo.cs.miningmart.operator.ConceptOperator
edu.udo.cs.miningmart.operator.SingleCSOperator
edu.udo.cs.miningmart.operator.FeatureConstructionWithTFIDF
Field Summary |
Fields inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator |
generatedSQLDefinitions |
Constructor Summary | |
FeatureConstructionWithTFIDF()
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Method Summary | |
protected Column |
createM4Column(BaseAttribute outputBA,
Columnset newCS,
java.lang.String newColumnName)
Method to create new M4 column objects. |
protected java.lang.String |
generateColumns(Columnset csForOutputConcept)
This method overrides the method in ConceptOperator . |
java.lang.String |
generateSQLDefinition(java.lang.String selectPart)
This method must return the SQL definition of the newly created ColumnSet. |
BaseAttribute |
getTheKey()
Parameter getter. |
protected Feature[] |
getTheSelectedAttributes()
Getter method for the parameter "TheSelectedAttributes". |
BaseAttribute |
getTheTimeStamp()
Parameter getter. |
java.lang.String |
getTypeOfNewColumnSet()
This method must return the entry String for the M4 table "Columnset_t", indicating whether the new Columnset is a view or a table. |
protected boolean |
mustCopyFeature(java.lang.String nameOfFeature)
This method is for operators that do not copy all Features of the input concept to the output concept. |
Methods inherited from class edu.udo.cs.miningmart.operator.SingleCSOperator |
generateColumnSetsForOp, generateSQLDefinition, getNewCSName, getTypeOfNewColumnSet |
Methods inherited from class edu.udo.cs.miningmart.operator.ConceptOperator |
compileStatement, createMetadata, createMetadataForOneBA, createSingleColumnSet, createStatement, estimateStatistics, getInputConcept, getNewCSName, getOutputConcept, getStringForSelection, setNewCSMultiStepBranch |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public FeatureConstructionWithTFIDF()
Method Detail |
public java.lang.String getTypeOfNewColumnSet()
SingleCSOperator
getTypeOfNewColumnSet
in class SingleCSOperator
miningmart.compiler.operator.SingleCSOperator#getTypeOfNewColumnSet()
public java.lang.String generateSQLDefinition(java.lang.String selectPart) throws M4CompilerError
SingleCSOperator
generateSQLDefinition
in class SingleCSOperator
selectPart
- The SQL string between "SELECT" and "FROM" for the
SQL definition to be returned.
M4CompilerError
miningmart.compiler.operator.SingleCSOperator#generateSQLDefinition(String)
protected boolean mustCopyFeature(java.lang.String nameOfFeature) throws M4CompilerError
ConceptOperator
mustCopyFeature
in class ConceptOperator
nameOfFeature
- Name of the feature in question.
M4CompilerError
miningmart.compiler.operator.ConceptOperator#mustCopyFeature(String)
protected java.lang.String generateColumns(Columnset csForOutputConcept) throws M4CompilerError
ConceptOperator
.
generateColumns
in class ConceptOperator
csForOutputConcept
- The ColumnSet for which Columns are to be produced.
M4CompilerError
miningmart.operator.ConceptOperator#generateColumns(Columnset)
protected Column createM4Column(BaseAttribute outputBA, Columnset newCS, java.lang.String newColumnName) throws M4CompilerError, M4Exception
outputBA
- the base attribute of the output concept the
new column should belong tonewCS
- the new ColumnSet created by the operatornewColumnName
- the name of the new column
M4CompilerError
M4Exception
protected Feature[] getTheSelectedAttributes() throws M4CompilerError
M4CompilerError
public BaseAttribute getTheTimeStamp() throws M4CompilerError
M4CompilerError
public BaseAttribute getTheKey() throws M4CompilerError
M4CompilerError
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