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java.lang.Objectedu.udo.cs.miningmart.operator.ExecutableOperator
edu.udo.cs.miningmart.operator.ConceptOperator
edu.udo.cs.miningmart.operator.MultipleCSOperator
edu.udo.cs.miningmart.operator.Segmentation
edu.udo.cs.miningmart.operator.SegmentationByPartitioning
This operator segments an input concept randomly.
edu.udo.cs.miningmart.m4.core.operator.Segmentation
Field Summary |
Fields inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator |
generatedSQLDefinitions |
Constructor Summary | |
SegmentationByPartitioning()
|
Method Summary | |
java.lang.String |
generateConditionForOp(int columnSetIndex)
Only for the java compiler. |
java.lang.String |
generateSQLDefinition(java.lang.String selectPart,
int index)
Overrides the method from Segmentation.java because a nested view definition is needed. |
Value |
getHowManyPartitions()
Getter method for parameter "HowManyPartitions". |
java.lang.String |
getSourceAttributeDefinitions()
|
java.lang.String |
getSourceAttributes()
|
java.lang.String |
getTypeOfNewColumnSet(int index)
This method must return the entry String for the M4 table "Columnset_t", indicating whether the new Columnset is a view or a table. |
int |
numberOfSegments()
Abstract method to be implemented by all Segmentation operators. |
void |
setCSSegmentInfo(java.lang.String inputMultiStepBranch,
Columnset cs,
int index)
Abstract method to be implemented by all Segmentation operators. |
Methods inherited from class edu.udo.cs.miningmart.operator.Segmentation |
mustCopyFeature, numberOfColumnSets, setNewCSMultiStepBranch |
Methods inherited from class edu.udo.cs.miningmart.operator.MultipleCSOperator |
generateColumnSetsForOp |
Methods inherited from class edu.udo.cs.miningmart.operator.ConceptOperator |
compileStatement, createMetadata, createMetadataForOneBA, createSingleColumnSet, createStatement, estimateStatistics, generateColumns, getInputConcept, getNewCSName, getOutputConcept, getStringForSelection |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public SegmentationByPartitioning()
Method Detail |
public java.lang.String generateSQLDefinition(java.lang.String selectPart, int index) throws M4CompilerError
generateSQLDefinition
in class Segmentation
M4CompilerError
edu.udo.cs.miningmart.m4.core.operator.ConceptOperator#generateSQLDefinition(String, int)
public java.lang.String getSourceAttributeDefinitions() throws M4CompilerError
M4CompilerError
edu.udo.cs.miningmart.m4.core.utils.RandomPartition#getSourceAttributeDefinitions()
public java.lang.String getSourceAttributes() throws M4CompilerError
M4CompilerError
edu.udo.cs.miningmart.m4.core.utils.RandomPartition#getSourceAttributes()
public java.lang.String getTypeOfNewColumnSet(int index)
ConceptOperator
getTypeOfNewColumnSet
in class Segmentation
edu.udo.cs.miningmart.m4.core.operator.ConceptOperator#getTypeOfNewColumnSet(int)
public java.lang.String generateConditionForOp(int columnSetIndex) throws M4CompilerError
generateConditionForOp
in class Segmentation
columnSetIndex
- The number of the columnset for which the condition is to
be generated
M4CompilerError
edu.udo.cs.miningmart.m4.core.operator.Segmentation#generateConditionForOp(int)
public Value getHowManyPartitions() throws M4CompilerError
M4CompilerError
public int numberOfSegments() throws M4CompilerError
Segmentation
numberOfSegments
in class Segmentation
M4CompilerError
edu.udo.cs.miningmart.m4.core.operator.Segmentation#numberOfSegments
public void setCSSegmentInfo(java.lang.String inputMultiStepBranch, Columnset cs, int index) throws M4CompilerError
Segmentation
setCSSegmentInfo
in class Segmentation
inputMultiStepBranch
- the multistep information of the input columnsetcs
- the current output columnsetindex
- the index of the output columnset
M4CompilerError
edu.udo.cs.miningmart.m4.core.operator.Segmentation#setCSSegmentInfo(String, Columnset, int)
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