Package org.eclipse.emf.compare.rcp.internal.match

Class EqualityHelperExtensionProviderDescriptorRegistryListener

java.lang.Object

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

org.eclipse.emf.compare.rcp.internal.match.EqualityHelperExtensionProviderDescriptorRegistryListener

All Implemented Interfaces:

EventListener, org.eclipse.core.runtime.IRegistryEventListener

public class EqualityHelperExtensionProviderDescriptorRegistryListener
extends AbstractRegistryEventListener

Listener for contributions to the match engine extension.

Nested Class Summary

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

AbstractRegistryEventListener.Action

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ATT_CLASS	Attribute name for the equality helper extension provider implementation.

Constructor Summary

Constructors

Constructor	Description
EqualityHelperExtensionProviderDescriptorRegistryListener(String pluginID, String extensionPointID, org.eclipse.core.runtime.ILog log, EqualityHelperExtensionProvider.Descriptor.Registry registry)	Creates a new registry listener with the given equality helper extension provider registry to which extension will be registered.

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

Field Details

ATT_CLASS

public static final String ATT_CLASS

Attribute name for the equality helper extension provider implementation.

See Also:

• Constant Field Values

Constructor Details

EqualityHelperExtensionProviderDescriptorRegistryListener

public EqualityHelperExtensionProviderDescriptorRegistryListener(String pluginID,
 String extensionPointID,
 org.eclipse.core.runtime.ILog log,
 EqualityHelperExtensionProvider.Descriptor.Registry registry)

Creates a new registry listener with the given equality helper extension provider registry to which extension will be registered.

Parameters:

pluginID - The pluginID 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 equality helper extension provider registry to which extension will be registered.

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.

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.

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.