Package org.eclipse.rdf4j.sail.model

Class NonSerializables

java.lang.Object

org.eclipse.rdf4j.sail.model.NonSerializables

@InternalUseOnly
public class NonSerializables
extends Object

A registry to support (de)serialization of objects (over the lifetime of the VM). It uses weak references to allow entries to be garbage-collected when no longer used.

Author:

Mark

Method Summary

Modifier and Type	Method	Description
static Object	get(UUID key)	Retrieve the object registered with the supplied key.
static UUID	getKey(Object obj)	Retrieves the registry key for the given object.
static UUID	register(Object obj)	Add an object to the registry and returns the registry key.

Methods inherited from class java.lang.Object

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

Method Details

get

public static Object get(UUID key)

Retrieve the object registered with the supplied key.

Parameters:

key - the key.

Returns:

the registered object, or null if no matching EvaluationStrategy can be found.

getKey

public static UUID getKey(Object obj)

Retrieves the registry key for the given object.

Parameters:

obj - the object for which to retrieve the registry key.

Returns:

the registry key with which the supplied object can be retrieved, or null if the supplied object is not in the registry.

register

public static UUID register(Object obj)

Add an object to the registry and returns the registry key. If the object is already present, the operation simply returns the key with which it is currently registered.

Parameters:

obj - the object to register

Returns:

the key with which the object is registered.