alluxio.client.quota

Class CacheScope

java.lang.Object

alluxio.client.quota.CacheScope

@ThreadSafe
public class CacheScope
extends Object

This class defines "Scope" of a cache quota. For Presto caching, scope is hierarchical with different levels including:

• GLOBAL (".") for global scope;
• SCHEMA (e.g., "schema1") for an entire schema;
• TABLE (e.g., "schema2.table1") for a given table;
• PARTITION (e.g., "schema3.table2.partition1") for a given partition

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CacheScope.Level Level of a scope.

Field Summary

Fields

Modifier and Type	Field and Description
static CacheScope	GLOBAL
static String	SEPARATOR

Method Summary

Modifier and Type	Method and Description
static CacheScope	create(String id)
boolean	equals(Object o)
int	hashCode()
CacheScope.Level	level()
CacheScope	parent()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

SEPARATOR

public static final String SEPARATOR

See Also:

Constant Field Values

GLOBAL

public static final CacheScope GLOBAL

Method Detail

create

public static CacheScope create(String id)

Parameters:

id - id of the scope

Returns:

an instance of this scope converted from a string

parent

@Nullable
public CacheScope parent()

Returns:

parent of this scope

level

public CacheScope.Level level()

Returns:

the level of this scope

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