Module org.apache.arrow.gandiva

Package org.apache.arrow.gandiva.evaluator

Class ExpressionRegistry

java.lang.Object

org.apache.arrow.gandiva.evaluator.ExpressionRegistry

public class ExpressionRegistry
extends Object

Used to get the functions and data types supported by Gandiva. All types are in Arrow namespace.

Method Summary

Modifier and Type	Method	Description
static ExpressionRegistry	getInstance()	Returns a singleton instance of the class.
Set<FunctionSignature>	getSupportedFunctions()
Set<ArrowType>	getSupportedTypes()

Methods inherited from class java.lang.Object

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

Method Details

getInstance

public static ExpressionRegistry getInstance()
                                      throws GandivaException

Returns a singleton instance of the class.

Returns:

singleton instance

Throws:

GandivaException - if error in Gandiva Library integration.

getSupportedFunctions

public Set<FunctionSignature> getSupportedFunctions()

getSupportedTypes

public Set<ArrowType> getSupportedTypes()