com.dbxml.db.core.extension
Class ExtensionManager

java.lang.Object
  com.dbxml.util.SimpleConfigurable
      com.dbxml.db.core.extension.ExtensionManager

All Implemented Interfaces:

Configurable

public final class ExtensionManager

extends SimpleConfigurable

ExtensionManager manages Extension instances.

Constructor Summary

ExtensionManager(Collection collection)

Method Summary

Extension	create(Configuration cfg) create creates a new Extension object and any associated system resources that the Extension will need.
boolean	drop(java.lang.String name) drop physically removes the specified Extension and any associated system resources that the Extension uses.
Extension	get(java.lang.String name) get retrieves an Extension by name, and will also do the work of instantiation and pool-retrieval.
java.lang.String	getCanonicalName(java.lang.String name)
java.lang.String[]	list() list returns a list of the Extensions that this ExtensionManager has registered.
void	setConfig(Configuration config) setConfig sets the configuration information for the Configurable object instance.

Methods inherited from class com.dbxml.util.SimpleConfigurable

getConfig

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionManager

public ExtensionManager(Collection collection)

Method Detail

setConfig

public void setConfig(Configuration config)
               throws dbXMLException

Description copied from interface: Configurable

setConfig sets the configuration information for the Configurable object instance.

Specified by:

setConfig in interface Configurable

Overrides:

setConfig in class SimpleConfigurable

Throws:

dbXMLException

list

public java.lang.String[] list()

list returns a list of the Extensions that this ExtensionManager has registered.

Returns:

An array containing the Extension names

drop

public boolean drop(java.lang.String name)
             throws DBException

drop physically removes the specified Extension and any associated system resources that the Extension uses.

Parameters:

name - The Extension to drop

Returns:

Whether or not the Extension was dropped

Throws:

DBException

create

public Extension create(Configuration cfg)
                 throws DBException

create creates a new Extension object and any associated system resources that the Extension will need.

Parameters:

cfg - The Extension's configuration

Returns:

The Extension that was created

Throws:

DBException

get

public Extension get(java.lang.String name)
              throws DBException

get retrieves an Extension by name, and will also do the work of instantiation and pool-retrieval.

Parameters:

name - The Extension name

Returns:

The Extension

Throws:

DBException

getCanonicalName

public java.lang.String getCanonicalName(java.lang.String name)