Package org.eclipse.emf.compare.rcp.ui.internal.structuremergeviewer.groups.extender

Class DifferenceGroupExtenderRegistryListener

java.lang.Object

org.eclipse.emf.compare.rcp.extension.AbstractRegistryEventListener

org.eclipse.emf.compare.rcp.ui.internal.structuremergeviewer.groups.extender.DifferenceGroupExtenderRegistryListener

All Implemented Interfaces:

EventListener, org.eclipse.core.runtime.IRegistryEventListener

public class DifferenceGroupExtenderRegistryListener
extends AbstractRegistryEventListener

Utility class to listen to the IDifferenceGroupProvider.Descriptor.Registry .

Since:

4.0

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.emf.compare.rcp.extension.AbstractRegistryEventListener

AbstractRegistryEventListener.Action

Constructor Summary

Constructors

Constructor	Description
DifferenceGroupExtenderRegistryListener(String pluginID, String extensionPointID, org.eclipse.core.runtime.ILog log, IDifferenceGroupExtender.Registry registry)	Default Constructor.

Method Summary

Modifier and Type	Method	Description
protected boolean	addedValid(org.eclipse.core.runtime.IConfigurationElement element)	Process the given element as the addition of a valid element extension.
protected boolean	removedValid(org.eclipse.core.runtime.IConfigurationElement element)	Process the given element as the removal of a valid element extension.
protected boolean	validateExtensionElement(org.eclipse.core.runtime.IConfigurationElement element)	Validates if the given element is an element for the given extension and is well constructed.

Methods inherited from class org.eclipse.emf.compare.rcp.extension.AbstractRegistryEventListener

added, added, log, log, log, logMissingAttribute, readElement, readRegistry, removed, removed

Methods inherited from class java.lang.Object

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

Constructor Details

DifferenceGroupExtenderRegistryListener

public DifferenceGroupExtenderRegistryListener(String pluginID,
 String extensionPointID,
 org.eclipse.core.runtime.ILog log,
 IDifferenceGroupExtender.Registry registry)

Default Constructor.

Parameters:

pluginID - The namespace of the extension point to be monitored.

extensionPointID - The extension point ID to be monitored

log - The log object to be used to log error and/or warning.

registry - The registry to listen.

Method Details

validateExtensionElement

protected boolean validateExtensionElement(org.eclipse.core.runtime.IConfigurationElement element)

Validates if the given element is an element for the given extension and is well constructed. Returns true if the element should be further parsed for addition or removal.

Specified by:

validateExtensionElement in class AbstractRegistryEventListener

Parameters:

element - the element to validate.

Returns:

true if the element should be further parsed for addition or removal, else otherwise.

See Also:

• AbstractRegistryEventListener.validateExtensionElement(org.eclipse.core.runtime.IConfigurationElement)

addedValid

protected boolean addedValid(org.eclipse.core.runtime.IConfigurationElement element)

Process the given element as the addition of a valid element extension.

Specified by:

addedValid in class AbstractRegistryEventListener

Parameters:

element - the element to be added.

Returns:

true if the given element has been added and if its children should be processed, false otherwise.

See Also:

• AbstractRegistryEventListener.addedValid(org.eclipse.core.runtime.IConfigurationElement)

removedValid

protected boolean removedValid(org.eclipse.core.runtime.IConfigurationElement element)

Process the given element as the removal of a valid element extension.

Specified by:

removedValid in class AbstractRegistryEventListener

Parameters:

element - the element to be removed.

Returns:

true if the given element has been removed and if its children should be processed, false otherwise.

See Also:

• AbstractRegistryEventListener.removedValid(org.eclipse.core.runtime.IConfigurationElement)