org.objectweb.jac.core
Class NameRepository

java.lang.Object
  |
  +--org.objectweb.jac.util.Repository
        |
        +--org.objectweb.jac.util.WeakRepository
              |
              +--org.objectweb.jac.core.NameRepository

public class NameRepository

extends WeakRepository

Provides a naming repository within a running JAC system.

All the JAC objects are seamlessly registered by NamingAC when they are instantiated.

See Also:

NamingAC

Field Summary

protected static NameRepository

nameRepository Store the sole instance of name repository.

Fields inherited from class org.objectweb.jac.util.Repository

names, objects, repository

Constructor Summary

NameRepository()
The default constructor will set the nameRepository field to the right value.

Method Summary

static Repository	get() Get the sole instance of name repository.
Object	getObject(String logicalName) Return a registered object for a given logical name.
static Collection	getObjects(Collection exprs)
static Collection	getObjects(String expr) Gets the set of JAC objects whose names match an expression.
static Collection	getObjects(String[] exprs)

Methods inherited from class org.objectweb.jac.util.Repository

dump, getName, getNames, getObjects, getPrintableString, isRegistered, register, unregister, unregisterObject

Methods inherited from class java.lang.Object

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

Field Detail

nameRepository

protected static NameRepository nameRepository

Store the sole instance of name repository.

Constructor Detail

NameRepository

public NameRepository()

The default constructor will set the nameRepository field to the right value.

Method Detail

get

public static Repository get()

Get the sole instance of name repository.

Returns:

the name repository

getObject

public Object getObject(String logicalName)

Description copied from class: Repository

Return a registered object for a given logical name.

Return null if the name does not correspond to any registered object or if logicalName is null.

Reverse operation is getName(Object).

Overrides:

getObject in class Repository

Parameters:

logicalName - the key that allows to find the object

Returns:

the corresponding object, null if not registered

See Also:

Repository.register(String,Object), Repository.getName(Object)

getObjects

public static Collection getObjects(String expr)

Gets the set of JAC objects whose names match an expression.

Parameters:

expr - a regular expression

Returns:

the objects set

getObjects

public static Collection getObjects(String[] exprs)

getObjects

public static Collection getObjects(Collection exprs)