org.apache.jena.system

Class JenaSubsystemRegistryBasic

java.lang.Object

org.apache.jena.system.JenaSubsystemRegistryBasic

All Implemented Interfaces:

JenaSubsystemRegistry

public class JenaSubsystemRegistryBasic
extends Object
implements JenaSubsystemRegistry

Implementation of JenaSubsystemRegistry for use in the simple but common case of running Jena as a collection of jars on the classpath.

Uses ServiceLoader to find sub-systems.

Constructor Summary

Constructors

Constructor and Description
JenaSubsystemRegistryBasic()

Method Summary

Modifier and Type	Method and Description
void	add(JenaSubsystemLifecycle module) Add to the collection.
boolean	isEmpty()
boolean	isRegistered(JenaSubsystemLifecycle module) check whether registered
void	load() Load - peform some kinds of search for JenaSubsystemLifecycle implementations.
void	remove(JenaSubsystemLifecycle module) Remove from the collection.
int	size()
List<JenaSubsystemLifecycle>	snapshot() Return the registered items in a copied list.

Methods inherited from class java.lang.Object

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

Constructor Detail

JenaSubsystemRegistryBasic

public JenaSubsystemRegistryBasic()

Method Detail

load

public void load()

Description copied from interface: JenaSubsystemRegistry

Load - peform some kinds of search for JenaSubsystemLifecycle implementations. This is called once in the initialization process.

Specified by:

load in interface JenaSubsystemRegistry

add

public void add(JenaSubsystemLifecycle module)

Description copied from interface: JenaSubsystemRegistry

Add to the collection.

Specified by:

add in interface JenaSubsystemRegistry

isRegistered

public boolean isRegistered(JenaSubsystemLifecycle module)

Description copied from interface: JenaSubsystemRegistry

check whether registered

Specified by:

isRegistered in interface JenaSubsystemRegistry

remove

public void remove(JenaSubsystemLifecycle module)

Description copied from interface: JenaSubsystemRegistry

Remove from the collection.

Specified by:

remove in interface JenaSubsystemRegistry

size

public int size()

Specified by:

size in interface JenaSubsystemRegistry

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface JenaSubsystemRegistry

snapshot

public List<JenaSubsystemLifecycle> snapshot()

Description copied from interface: JenaSubsystemRegistry

Return the registered items in a copied list. The list is detached from the registry and the caller can mutate it. There is no specific ordering requirement.

Specified by:

snapshot in interface JenaSubsystemRegistry