org.dftproject.genesis.core
Class Activator

java.lang.Object
  org.eclipse.core.runtime.Plugin
      org.eclipse.ui.plugin.AbstractUIPlugin
          org.dftproject.genesis.core.Activator

All Implemented Interfaces:

org.osgi.framework.BundleActivator

public class Activator
extends org.eclipse.ui.plugin.AbstractUIPlugin

The Activator class controls the plug-in life cycle.

Field Summary

static java.lang.String

PLUGIN_ID The plug-in ID.

Fields inherited from class org.eclipse.core.runtime.Plugin

PLUGIN_PREFERENCE_SCOPE, PREFERENCES_DEFAULT_OVERRIDE_BASE_NAME, PREFERENCES_DEFAULT_OVERRIDE_FILE_NAME

Constructor Summary

Activator()
Creates the plug-in runtime object.

Method Summary

static Activator	getDefault() Returns the singleton Activator instance.
static org.eclipse.jface.resource.ImageDescriptor	getImageDescriptor(java.lang.String path) Creates and returns a new image descriptor for an image file located within the specified plug-in.
void	start(org.osgi.framework.BundleContext context) Called when the plug-in is activated.
protected void	startAgents() Activates all the agents registered with the "org.dftproject.genesis.core.agents" extension point.
void	stop(org.osgi.framework.BundleContext context) Called when the plug-in is deactivated.
protected void	stopAgents() Stops all active agents.

Methods inherited from class org.eclipse.ui.plugin.AbstractUIPlugin

createImageRegistry, getDialogSettings, getImageRegistry, getPreferenceStore, getWorkbench, imageDescriptorFromPlugin, initializeDefaultPluginPreferences, initializeDefaultPreferences, initializeImageRegistry, loadDialogSettings, loadPreferenceStore, refreshPluginActions, saveDialogSettings, savePreferenceStore, shutdown, startup

Methods inherited from class org.eclipse.core.runtime.Plugin

find, find, getBundle, getDescriptor, getLog, getPluginPreferences, getStateLocation, internalInitializeDefaultPluginPreferences, isDebugging, openStream, openStream, savePluginPreferences, setDebugging, toString

Methods inherited from class java.lang.Object

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

Field Detail

PLUGIN_ID

public static final java.lang.String PLUGIN_ID

The plug-in ID.

See Also:

Constant Field Values

Constructor Detail

Activator

public Activator()
          throws java.lang.Exception

Creates the plug-in runtime object.

Note that instances of plug-in runtime classes are automatically created by the platform in the course of plug-in activation.

Throws:

java.lang.Exception - if this plug-in is already active

Method Detail

start

public void start(org.osgi.framework.BundleContext context)
           throws java.lang.Exception

Called when the plug-in is activated. Initializes the database and activates all enabled agents.

Specified by:

start in interface org.osgi.framework.BundleActivator

Overrides:

start in class org.eclipse.ui.plugin.AbstractUIPlugin

Throws:

java.lang.Exception

stop

public void stop(org.osgi.framework.BundleContext context)
          throws java.lang.Exception

Called when the plug-in is deactivated. Stops all active agents and performs a database shutdown.

Specified by:

stop in interface org.osgi.framework.BundleActivator

Overrides:

stop in class org.eclipse.ui.plugin.AbstractUIPlugin

Throws:

java.lang.Exception

getDefault

public static Activator getDefault()

Returns the singleton Activator instance.

Returns:

the singleton instance, or null if the plug-in is not active

getImageDescriptor

public static org.eclipse.jface.resource.ImageDescriptor getImageDescriptor(java.lang.String path)

Creates and returns a new image descriptor for an image file located within the specified plug-in.

Parameters:

path - the relative path of the image file, relative to the root of the plug-in; the path must be legal

Returns:

an image descriptor, or null if no image could be found

See Also:

AbstractUIPlugin.imageDescriptorFromPlugin(String, String)

startAgents

protected void startAgents()

Activates all the agents registered with the "org.dftproject.genesis.core.agents" extension point.

stopAgents

protected void stopAgents()

Stops all active agents.