org.jpmml.evaluator

Class ExpressionUtil

java.lang.Object

org.jpmml.evaluator.ExpressionUtil

public class ExpressionUtil
extends java.lang.Object

Method Summary

Methods

Modifier and Type	Method and Description
static FieldValue	evaluate(org.dmg.pmml.DerivedField derivedField, EvaluationContext context)
static FieldValue	evaluate(org.dmg.pmml.Expression expression, EvaluationContext context)
static FieldValue	evaluateAggregate(org.dmg.pmml.Aggregate aggregate, EvaluationContext context)
static FieldValue	evaluateApply(org.dmg.pmml.Apply apply, EvaluationContext context)
static FieldValue	evaluateConstant(org.dmg.pmml.Constant constant)
static FieldValue	evaluateDiscretize(org.dmg.pmml.Discretize discretize, EvaluationContext context)
static FieldValue	evaluateFieldRef(org.dmg.pmml.FieldRef fieldRef, EvaluationContext context)
static FieldValue	evaluateJavaExpression(JavaExpression javaExpression, EvaluationContext context)
static FieldValue	evaluateMapValues(org.dmg.pmml.MapValues mapValues, EvaluationContext context)
static FieldValue	evaluateNormContinuous(org.dmg.pmml.NormContinuous normContinuous, EvaluationContext context)
static FieldValue	evaluateNormDiscrete(org.dmg.pmml.NormDiscrete normDiscrete, EvaluationContext context)
static FieldValue	evaluateTextIndex(org.dmg.pmml.TextIndex textIndex, EvaluationContext context)
static org.dmg.pmml.DataType	getConstantDataType(org.dmg.pmml.Constant constant)
static org.dmg.pmml.DataType	getDataType(org.dmg.pmml.Expression expression, ModelEvaluator<?> modelEvaluator)
static org.dmg.pmml.DataType	getTextIndexDataType(org.dmg.pmml.TextIndex textIndex)

Methods inherited from class java.lang.Object

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

Method Detail

evaluate

public static FieldValue evaluate(org.dmg.pmml.DerivedField derivedField,
                  EvaluationContext context)

evaluate

public static FieldValue evaluate(org.dmg.pmml.Expression expression,
                  EvaluationContext context)

getDataType

public static org.dmg.pmml.DataType getDataType(org.dmg.pmml.Expression expression,
                                ModelEvaluator<?> modelEvaluator)

Throws:

TypeAnalysisException - If the data type cannot be determined.

getConstantDataType

public static org.dmg.pmml.DataType getConstantDataType(org.dmg.pmml.Constant constant)

getTextIndexDataType

public static org.dmg.pmml.DataType getTextIndexDataType(org.dmg.pmml.TextIndex textIndex)

evaluateConstant

public static FieldValue evaluateConstant(org.dmg.pmml.Constant constant)

evaluateFieldRef

public static FieldValue evaluateFieldRef(org.dmg.pmml.FieldRef fieldRef,
                          EvaluationContext context)

evaluateNormContinuous

public static FieldValue evaluateNormContinuous(org.dmg.pmml.NormContinuous normContinuous,
                                EvaluationContext context)

evaluateNormDiscrete

public static FieldValue evaluateNormDiscrete(org.dmg.pmml.NormDiscrete normDiscrete,
                              EvaluationContext context)

evaluateDiscretize

public static FieldValue evaluateDiscretize(org.dmg.pmml.Discretize discretize,
                            EvaluationContext context)

evaluateMapValues

public static FieldValue evaluateMapValues(org.dmg.pmml.MapValues mapValues,
                           EvaluationContext context)

evaluateTextIndex

public static FieldValue evaluateTextIndex(org.dmg.pmml.TextIndex textIndex,
                           EvaluationContext context)

evaluateApply

public static FieldValue evaluateApply(org.dmg.pmml.Apply apply,
                       EvaluationContext context)

evaluateAggregate

public static FieldValue evaluateAggregate(org.dmg.pmml.Aggregate aggregate,
                           EvaluationContext context)

evaluateJavaExpression

public static FieldValue evaluateJavaExpression(JavaExpression javaExpression,
                                EvaluationContext context)