Package org.apache.flink.table.functions

Class FunctionIdentifier

java.lang.Object

org.apache.flink.table.functions.FunctionIdentifier

All Implemented Interfaces:

Serializable

@PublicEvolving
public final class FunctionIdentifier
extends Object
implements Serializable

Identifies a system function with function name or a catalog function with a fully qualified identifier. Function catalog is responsible for resolving an identifier to a function.

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
String	asSummaryString()	Returns a string that summarizes this instance for printing to a console or log.
boolean	equals(Object o)
String	getFunctionName()
Optional<ObjectIdentifier>	getIdentifier()
Optional<String>	getSimpleName()
int	hashCode()
static String	normalizeName(String name)	Normalize a function name.
static ObjectIdentifier	normalizeObjectIdentifier(ObjectIdentifier oi)	Normalize an object identifier by only normalizing the function name.
static FunctionIdentifier	of(String functionName)
static FunctionIdentifier	of(ObjectIdentifier oi)
List<String>	toList()	List of the component names of this function identifier.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

of

public static FunctionIdentifier of(ObjectIdentifier oi)

of

public static FunctionIdentifier of(String functionName)

normalizeName

public static String normalizeName(String name)

Normalize a function name.

normalizeObjectIdentifier

public static ObjectIdentifier normalizeObjectIdentifier(ObjectIdentifier oi)

Normalize an object identifier by only normalizing the function name.

getIdentifier

public Optional<ObjectIdentifier> getIdentifier()

getSimpleName

public Optional<String> getSimpleName()

getFunctionName

public String getFunctionName()

toList

public List<String> toList()

List of the component names of this function identifier.

asSummaryString

public String asSummaryString()

Returns a string that summarizes this instance for printing to a console or log.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object