org.apache.flink.table.module

Class CoreModule

java.lang.Object

org.apache.flink.table.module.CoreModule

All Implemented Interfaces:

Module

public class CoreModule
extends Object
implements Module

Module of default core metadata in Flink.

Field Summary

Fields

Modifier and Type	Field and Description
static CoreModule	INSTANCE

Method Summary

Modifier and Type	Method and Description
Optional<FunctionDefinition>	getFunctionDefinition(String name) Get an optional of FunctionDefinition by a given name.
Set<String>	listFunctions() List names of all functions in this module.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final CoreModule INSTANCE

Method Detail

listFunctions

public Set<String> listFunctions()

Description copied from interface: Module

List names of all functions in this module.

Specified by:

listFunctions in interface Module

Returns:

a set of function names

getFunctionDefinition

public Optional<FunctionDefinition> getFunctionDefinition(String name)

Description copied from interface: Module

Get an optional of FunctionDefinition by a given name.

Specified by:

getFunctionDefinition in interface Module

Parameters:

name - name of the FunctionDefinition.

Returns:

an optional function definition