Package org.jpmml.evaluator

Class EvaluationContext

java.lang.Object

org.jpmml.evaluator.EvaluationContext

Direct Known Subclasses:

DefineFunctionEvaluationContext, ModelEvaluationContext, VirtualEvaluationContext

public abstract class EvaluationContext
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.ThreadLocal<SymbolTable<java.lang.String>>	DERIVEDFIELD_GUARD_PROVIDER
static java.lang.ThreadLocal<SymbolTable<java.lang.String>>	FUNCTION_GUARD_PROVIDER

Method Summary

Modifier and Type	Method	Description
void	addWarning(java.lang.String warning)
FieldValue	declare(java.lang.String name, java.lang.Object value)
FieldValue	declare(java.lang.String name, FieldValue value)
void	declareAll(java.util.Map<java.lang.String,?> values)
FieldValue	evaluate(java.lang.String name)	Looks up a field value by name.
java.util.List<FieldValue>	evaluateAll(java.util.List<java.lang.String> names)
protected org.dmg.pmml.DefineFunction	getDefineFunction(java.lang.String name)
org.jpmml.evaluator.FieldValueMap	getValues()
java.util.List<java.lang.String>	getWarnings()
FieldValue	lookup(java.lang.String name)	Looks up a field value by name.
protected abstract FieldValue	prepare(java.lang.String name, java.lang.Object value)
protected void	reset(boolean clearValues)
protected FieldValue	resolve(java.lang.String name)

Methods inherited from class java.lang.Object

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

Field Detail

DERIVEDFIELD_GUARD_PROVIDER

public static final java.lang.ThreadLocal<SymbolTable<java.lang.String>> DERIVEDFIELD_GUARD_PROVIDER

FUNCTION_GUARD_PROVIDER

public static final java.lang.ThreadLocal<SymbolTable<java.lang.String>> FUNCTION_GUARD_PROVIDER

Method Detail

prepare

protected abstract FieldValue prepare(java.lang.String name,
                                      java.lang.Object value)

reset

protected void reset(boolean clearValues)

lookup

public FieldValue lookup(java.lang.String name)

Looks up a field value by name. If the field value has not been declared, then fails fast with an exception.

Throws:

MissingFieldValueException - If the field value has not been declared.

evaluate

public FieldValue evaluate(java.lang.String name)

Looks up a field value by name. If the field value has not been declared, then makes full effort to resolve and declare it.

evaluateAll

public java.util.List<FieldValue> evaluateAll(java.util.List<java.lang.String> names)

resolve

protected FieldValue resolve(java.lang.String name)

declare

public FieldValue declare(java.lang.String name,
                          java.lang.Object value)

declare

public FieldValue declare(java.lang.String name,
                          FieldValue value)

declareAll

public void declareAll(java.util.Map<java.lang.String,?> values)

getDefineFunction

protected org.dmg.pmml.DefineFunction getDefineFunction(java.lang.String name)

addWarning

public void addWarning(java.lang.String warning)

getValues

public org.jpmml.evaluator.FieldValueMap getValues()

getWarnings

public java.util.List<java.lang.String> getWarnings()