org.apache.cassandra.schema

Class Keyspaces

java.lang.Object

org.apache.cassandra.schema.Keyspaces

All Implemented Interfaces:

java.lang.Iterable<KeyspaceMetadata>

public final class Keyspaces
extends java.lang.Object
implements java.lang.Iterable<KeyspaceMetadata>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Keyspaces.Builder
static class	Keyspaces.KeyspacesDiff

Method Summary

Modifier and Type	Method and Description
static Keyspaces.Builder	builder()
boolean	containsKeyspace(java.lang.String name)
boolean	equals(java.lang.Object o)
Keyspaces	filter(java.util.function.Predicate<KeyspaceMetadata> predicate)
java.util.Optional<KeyspaceMetadata>	get(java.lang.String name) Get the keyspace with the specified name
KeyspaceMetadata	getNullable(java.lang.String name)
TableMetadata	getTableOrViewNullable(TableId id)
int	hashCode()
boolean	isEmpty()
java.util.Iterator<KeyspaceMetadata>	iterator()
java.util.Set<java.lang.String>	names()
static Keyspaces	none()
static Keyspaces	of(KeyspaceMetadata... keyspaces)
java.util.stream.Stream<KeyspaceMetadata>	stream()
java.lang.String	toString()
void	validate()
Keyspaces	withAddedOrUpdated(KeyspaceMetadata keyspace)
Keyspaces	without(java.lang.String name) Creates a Keyspaces instance with the keyspace with the provided name removed

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

builder

public static Keyspaces.Builder builder()

none

public static Keyspaces none()

of

public static Keyspaces of(KeyspaceMetadata... keyspaces)

iterator

public java.util.Iterator<KeyspaceMetadata> iterator()

Specified by:

iterator in interface java.lang.Iterable<KeyspaceMetadata>

stream

public java.util.stream.Stream<KeyspaceMetadata> stream()

names

public java.util.Set<java.lang.String> names()

get

public java.util.Optional<KeyspaceMetadata> get(java.lang.String name)

Get the keyspace with the specified name

Parameters:

name - a non-qualified keyspace name

Returns:

an empty Optional if the table name is not found; a non-empty optional of KeyspaceMetadata otherwise

getNullable

@Nullable
public KeyspaceMetadata getNullable(java.lang.String name)

containsKeyspace

public boolean containsKeyspace(java.lang.String name)

getTableOrViewNullable

@Nullable
public TableMetadata getTableOrViewNullable(TableId id)

isEmpty

public boolean isEmpty()

filter

public Keyspaces filter(java.util.function.Predicate<KeyspaceMetadata> predicate)

without

public Keyspaces without(java.lang.String name)

Creates a Keyspaces instance with the keyspace with the provided name removed

withAddedOrUpdated

public Keyspaces withAddedOrUpdated(KeyspaceMetadata keyspace)

validate

public void validate()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object