Package org.projectnessie.model

Class Namespace

java.lang.Object

org.projectnessie.model.Namespace

Direct Known Subclasses:

ImmutableNamespace

@Immutable(prehash=true)
public abstract class Namespace
extends Object

For a given table name a.b.c.tableName, the Namespace would be the prefix a.b.c, since the last element tableName always represents the name of the actual table and is not included in the Namespace itself. Therefore, the Namespace is always consisting of the first N-1 elements.

Field Summary

Fields

Modifier and Type	Field	Description
static ImmutableNamespace	EMPTY

Constructor Summary

Constructors

Constructor	Description
Namespace()

Method Summary

Modifier and Type	Method	Description
boolean	isEmpty()
abstract @NotNull String	name()
static Namespace	of(String... elements)	Builds a Namespace instance out of the first N-1 elements.
static Namespace	of(List<String> elements)	Builds a Namespace instance out of the first N-1 elements.
static Namespace	parse(String identifier)	Builds a Namespace instance out of the first N-1 elements when those are split by the . (dot) character.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final ImmutableNamespace EMPTY

Constructor Detail

Namespace

public Namespace()

Method Detail

name

@NotNull
public abstract @NotNull String name()

isEmpty

public boolean isEmpty()

of

public static Namespace of(String... elements)

Builds a Namespace instance out of the first N-1 elements.

Parameters:

elements - The elements to build the namespace from.

Returns:

A Namespace instance, where the name() represents the first N-1 elements. If elements consists only of a single element, then name() will be an empty string.

of

public static Namespace of(List<String> elements)

Builds a Namespace instance out of the first N-1 elements.

Parameters:

elements - The elements to build the namespace from.

Returns:

A Namespace instance, where the name() represents the first N-1 elements. If elements consists only of a single element, then name() will be an empty string.

parse

public static Namespace parse(String identifier)

Builds a Namespace instance out of the first N-1 elements when those are split by the . (dot) character.

Parameters:

identifier - The identifier to build the namespace from.

Returns:

Splits the given identifier by . and returns a Namespace instance, where the name() represents the first N-1 elements. If identifier consists only of a single element, then name() will be an empty string.