org.apache.flink.table.factories

Interface FunctionDefinitionFactory

All Known Implementing Classes:

HiveFunctionDefinitionFactory

@PublicEvolving
public interface FunctionDefinitionFactory

A factory to create FunctionDefinition.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	FunctionDefinitionFactory.Context Context provided when a function definition is created.

Method Summary

Modifier and Type	Method and Description
default FunctionDefinition	createFunctionDefinition(String name, CatalogFunction catalogFunction) Deprecated. Please implement createFunctionDefinition(String, CatalogFunction, Context) instead.
default FunctionDefinition	createFunctionDefinition(String name, CatalogFunction catalogFunction, FunctionDefinitionFactory.Context context) Creates a FunctionDefinition from given CatalogFunction with the given FunctionDefinitionFactory.Context containing the class loader of the current session, which is useful when it's needed to load class from class name.

Method Detail

createFunctionDefinition

@Deprecated
default FunctionDefinition createFunctionDefinition(String name,
                                                                CatalogFunction catalogFunction)

Deprecated. Please implement createFunctionDefinition(String, CatalogFunction, Context) instead.

Creates a FunctionDefinition from given CatalogFunction.

Parameters:

name - name of the CatalogFunction

catalogFunction - the catalog function

Returns:

a FunctionDefinition

createFunctionDefinition

default FunctionDefinition createFunctionDefinition(String name,
                                                    CatalogFunction catalogFunction,
                                                    FunctionDefinitionFactory.Context context)

Creates a FunctionDefinition from given CatalogFunction with the given FunctionDefinitionFactory.Context containing the class loader of the current session, which is useful when it's needed to load class from class name.

The default implementation will call createFunctionDefinition(String, CatalogFunction) directly.

Parameters:

name - name of the CatalogFunction

catalogFunction - the catalog function

context - the FunctionDefinitionFactory.Context for creating function definition

Returns:

a FunctionDefinition