org.knime.base.node.mine.decisiontree2
Class PMMLDecisionTreeTranslator

java.lang.Object
  org.knime.base.node.mine.decisiontree2.PMMLDecisionTreeTranslator

All Implemented Interfaces:

PMMLTranslator

public class PMMLDecisionTreeTranslator
extends Object
implements PMMLTranslator

A DecisionTree translator class between KNIME and PMML.

Author:

wenlin, Zementis Inc., Apr 2011

Constructor Summary

PMMLDecisionTreeTranslator()
For usage with the initializeFrom(PMMLDocument) method.

PMMLDecisionTreeTranslator(DecisionTree tree)
Creates a new decision tree translator initialized with the decision tree.

Method Summary

org.apache.xmlbeans.SchemaType	exportTo(org.dmg.pmml40.PMMLDocument pmmlDoc, PMMLPortObjectSpec spec) Exports the translators state to a PMML document.
DecisionTree	getDecisionTree()
void	initializeFrom(org.dmg.pmml40.PMMLDocument pmmlDoc) Initializes the translator based on a PMML document.
DecisionTree	parseDecTreeFromModel(org.dmg.pmml40.TreeModelDocument.TreeModel treeModel) Builds a decision tree object out of the TreeModel.

Methods inherited from class java.lang.Object

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

Constructor Detail

PMMLDecisionTreeTranslator

public PMMLDecisionTreeTranslator(DecisionTree tree)

Creates a new decision tree translator initialized with the decision tree. For usage with the exportTo(PMMLDocument, PMMLPortObjectSpec) method.

Parameters:

tree - the KNIME decision tree

PMMLDecisionTreeTranslator

public PMMLDecisionTreeTranslator()

For usage with the initializeFrom(PMMLDocument) method.

Method Detail

exportTo

public org.apache.xmlbeans.SchemaType exportTo(org.dmg.pmml40.PMMLDocument pmmlDoc,
                                               PMMLPortObjectSpec spec)

Exports the translators state to a PMML document.

Specified by:

exportTo in interface PMMLTranslator

Parameters:

pmmlDoc - the PMML document to export to

spec - the spec of the PMMLPortObject

Returns:

the schema type of the exported schema if applicable, otherwise null

initializeFrom

public void initializeFrom(org.dmg.pmml40.PMMLDocument pmmlDoc)

Initializes the translator based on a PMML document.

Specified by:

initializeFrom in interface PMMLTranslator

Parameters:

pmmlDoc - the PMML document

parseDecTreeFromModel

public DecisionTree parseDecTreeFromModel(org.dmg.pmml40.TreeModelDocument.TreeModel treeModel)

Builds a decision tree object out of the TreeModel.

Parameters:

treeModel - treeModel parsed from the PMML.

Returns:

DecisionTreeModel for further processing.

getDecisionTree

public DecisionTree getDecisionTree()

Returns:

the decision tree stored by this translator