Package org.apache.gravitino

Class NameIdentifier

java.lang.Object

org.apache.gravitino.NameIdentifier

public class NameIdentifier
extends Object

A name identifier is a sequence of names separated by dots. It's used to identify a metalake, a catalog, a schema or a table. For example, "metalake1" can represent a metalake, "metalake1.catalog1" can represent a catalog, "metalake1.catalog1.schema1" can represent a schema.

Method Summary

Modifier and Type	Method	Description
static void	check(boolean condition, String message, Object... args)	Check the given condition is true.
boolean	equals(Object other)
int	hashCode()
boolean	hasNamespace()	Check if the NameIdentifier has a namespace.
String	name()	Get the name of the NameIdentifier.
Namespace	namespace()	Get the namespace of the NameIdentifier.
static NameIdentifier	of(String... names)	Create the NameIdentifier with the given levels of names.
static NameIdentifier	of(Namespace namespace, String name)	Create the NameIdentifier with the given Namespace and name.
static NameIdentifier	parse(String identifier)	Create a NameIdentifier from the given identifier string.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

of

public static NameIdentifier of(String... names)

Create the NameIdentifier with the given levels of names.

Parameters:

names - The names of the identifier

Returns:

The created NameIdentifier

of

public static NameIdentifier of(Namespace namespace,
 String name)

Create the NameIdentifier with the given Namespace and name.

Parameters:

namespace - The namespace of the identifier

name - The name of the identifier

Returns:

The created NameIdentifier

parse

public static NameIdentifier parse(String identifier)

Create a NameIdentifier from the given identifier string.

Parameters:

identifier - The identifier string

Returns:

The created NameIdentifier

hasNamespace

public boolean hasNamespace()

Check if the NameIdentifier has a namespace.

Returns:

True if the NameIdentifier has a namespace, false otherwise.

namespace

public Namespace namespace()

Get the namespace of the NameIdentifier.

Returns:

The namespace of the NameIdentifier.

name

public String name()

Get the name of the NameIdentifier.

Returns:

The name of the NameIdentifier.

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

check

@FormatMethod
public static void check(boolean condition,
 @FormatString
 String message,
 Object... args)

Check the given condition is true. Throw an IllegalNameIdentifierException if it's not.

Parameters:

condition - The condition to check.

message - The message to throw.

args - The arguments to the message.