Package org.apache.pinot.segment.local.function

Class TimeSpecFunctionEvaluator

java.lang.Object

org.apache.pinot.segment.local.function.TimeSpecFunctionEvaluator

All Implemented Interfaces:

FunctionEvaluator

public class TimeSpecFunctionEvaluator
extends Object
implements FunctionEvaluator

An implementation of FunctionEvaluator for converting the time value based on the TimeFieldSpec.

Constructor Summary

Constructors

Constructor	Description
TimeSpecFunctionEvaluator(TimeGranularitySpec incomingGranularitySpec, TimeGranularitySpec outgoingGranularitySpec)

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Object[] values)	Evaluates the function on the given values (same order as the arguments) and returns the result.
Object	evaluate(GenericRow genericRow)	Performs time transformation
List<String>	getArguments()	Get the arguments of the function

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeSpecFunctionEvaluator

public TimeSpecFunctionEvaluator(TimeGranularitySpec incomingGranularitySpec,
                                 TimeGranularitySpec outgoingGranularitySpec)

Method Detail

getArguments

public List<String> getArguments()

Description copied from interface: FunctionEvaluator

Get the arguments of the function

Specified by:

getArguments in interface FunctionEvaluator

evaluate

public Object evaluate(GenericRow genericRow)

Performs time transformation

Specified by:

evaluate in interface FunctionEvaluator

evaluate

public Object evaluate(Object[] values)

Description copied from interface: FunctionEvaluator

Evaluates the function on the given values (same order as the arguments) and returns the result.

Specified by:

evaluate in interface FunctionEvaluator