weka.gui.beans
Class PluginManager

java.lang.Object
  weka.gui.beans.PluginManager

public class PluginManager
extends Object

Class that manages a global map of plugins. The knowledge flow uses this to manage plugins other than step components and perspectives. Is general purpose, so can be used by other Weka components. Provides static methods for registering and instantiating plugins.

Version:

$Revision: 8034 $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

Constructor Summary

PluginManager()

Method Summary

static void	addPlugin(String interfaceName, String name, String concreteType) Add a plugin.
static Object	getPluginInstance(String interfaceType, String name) Get an instance of a concrete implementation of a plugin type
static Set<String>	getPluginNamesOfType(String interfaceName) Get a set of names of plugins that implement the supplied interface.

Methods inherited from class java.lang.Object

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

Constructor Detail

PluginManager

public PluginManager()

Method Detail

getPluginNamesOfType

public static Set<String> getPluginNamesOfType(String interfaceName)

Get a set of names of plugins that implement the supplied interface.

Parameters:

interfaceName - the fully qualified name of the interface to list plugins for

Returns:

a set of names of plugins

addPlugin

public static void addPlugin(String interfaceName,
                             String name,
                             String concreteType)

Add a plugin.

Parameters:

interfaceName - the fully qualified interface name that the plugin implements

name - the name/short description of the plugin

concreteType - the fully qualified class name of the actual concrete implementation

getPluginInstance

public static Object getPluginInstance(String interfaceType,
                                       String name)
                                throws Exception

Get an instance of a concrete implementation of a plugin type

Parameters:

interfaceType - the fully qualified interface name of the plugin type

name - the name/short description of the plugin to get

Returns:

the concrete plugin

Throws:

Exception - if the plugin can't be found or instantiated