Uses of Interface
com.pervasive.datarush.functions.FunctionEvaluator

Packages that use FunctionEvaluator

Package	Description
com.pervasive.datarush.functions	Provides classes and interfaces related to defining functions on records.

Uses of FunctionEvaluator in com.pervasive.datarush.functions

Subinterfaces of FunctionEvaluator in com.pervasive.datarush.functions

Modifier and Type	Interface and Description
interface	NondeterministicFunctionEvaluator An executor of a function which is non-deterministic.

Methods in com.pervasive.datarush.functions that return FunctionEvaluator

Modifier and Type	Method and Description
FunctionEvaluator	EvaluationContext.constructEvaluator(EvaluatorFactory factory, List<Object> arguments, ScalarSettable result) Creates an evaluator for a top-level expression, binding its output to the provided result buffer.
FunctionEvaluator	ReflectiveFactory.contructEvaluator(ScalarSettable result, Object[] arguments)
FunctionEvaluator	MappedEvaluatorFactory.contructEvaluator(ScalarSettable result, Object[] arguments)
FunctionEvaluator	EvaluatorFactory.contructEvaluator(ScalarSettable result, Object[] arguments) Construct a new evaluator for the associated function with the given arguments, bound to the specified output buffer.
FunctionEvaluator	EvaluationContext.createMemoizingEvaluator(FunctionEvaluator f) Creates an evaluator for the top-level expression which memoizes subexpression values.
FunctionEvaluator	ScalarValuedFunction.getEvaluator(RecordValued input, ScalarSettable result) Constructs an instance of an evaluator for the function.
FunctionEvaluator	FieldReference.getEvaluator(RecordValued input, ScalarSettable output)
FunctionEvaluator	ConstantReference.getEvaluator(RecordValued input, ScalarSettable output)

Methods in com.pervasive.datarush.functions with parameters of type FunctionEvaluator

Modifier and Type	Method and Description
FunctionEvaluator	EvaluationContext.createMemoizingEvaluator(FunctionEvaluator f) Creates an evaluator for the top-level expression which memoizes subexpression values.

Method parameters in com.pervasive.datarush.functions with type arguments of type FunctionEvaluator

Modifier and Type	Method and Description
static ScalarValuedFunction	ScalarFunctionDescriptor.define(String name, FunctionTyper typer, Class<? extends FunctionEvaluator> evaluator, Object... args) Defines an instance of a function returning a result using an evaluator of the given class, but with complex type restrictions and/or variable output type.
static ScalarValuedFunction	ScalarFunctionDescriptor.define(String name, ScalarTokenType resultType, Class<? extends FunctionEvaluator> evaluator, Object... args) Defines an instance of a function returning a result of the specified type and using an evaluator of the given class.
static MappedEvaluatorFactory.Mapping	MappedEvaluatorFactory.use(ScalarTokenType type, Class<? extends FunctionEvaluator> evaluator) Defines the evaluator class for a given type.

Constructor parameters in com.pervasive.datarush.functions with type arguments of type FunctionEvaluator

Constructor and Description
ReflectiveFactory(Class<? extends FunctionEvaluator> clazz) Defines a factory creating evaluators of the specified class.