org.eclipse.emf.compare.rcp.internal.policy

Class LoadOnDemandPolicyRegistryListener

java.lang.Object

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

org.eclipse.emf.compare.rcp.internal.policy.LoadOnDemandPolicyRegistryListener

All Implemented Interfaces:

EventListener, org.eclipse.core.runtime.IRegistryEventListener

public class LoadOnDemandPolicyRegistryListener
extends AbstractRegistryEventListener

A listener for load on demand policy extension point.

Nested Class Summary

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

AbstractRegistryEventListener.Action

Constructor Summary

Constructors

Constructor and Description
LoadOnDemandPolicyRegistryListener(ILoadOnDemandPolicy.Registry registry, String pluginID, String extensionPointID, org.eclipse.core.runtime.ILog log) Creates a new listener for the given pluginID and extensionPointID.

Method Summary

Modifier and Type	Method and 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 Detail

LoadOnDemandPolicyRegistryListener

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

Creates a new listener for the given pluginID and extensionPointID.

Parameters:

registry - the registry to which contributed policies will be added and removed.

pluginID - the plugin id of the registering extension point.

extensionPointID - the id of the extension point to listen to.

log - the log in which to report errors.

Method Detail

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)