org.apache.flink.table.factories

接口 FunctionDefinitionFactory

@PublicEvolving
public interface FunctionDefinitionFactory

A factory to create FunctionDefinition.

嵌套类概要

嵌套类

限定符和类型	接口和说明
static interface	FunctionDefinitionFactory.Context Context provided when a function definition is created.

方法概要

限定符和类型	方法和说明
default FunctionDefinition	createFunctionDefinition(String name, CatalogFunction catalogFunction) 已过时。 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.

方法详细资料

createFunctionDefinition

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

已过时。 Please implement createFunctionDefinition(String, CatalogFunction, Context) instead.

Creates a FunctionDefinition from given CatalogFunction.

参数:

name - name of the CatalogFunction

catalogFunction - the catalog function

返回:

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.

参数:

name - name of the CatalogFunction

catalogFunction - the catalog function

context - the FunctionDefinitionFactory.Context for creating function definition

返回:

a FunctionDefinition