Package org.eclipse.emf.compare.rcp.extension

Class PluginClassDescriptor<T>

java.lang.Object
org.eclipse.emf.compare.rcp.extension.PluginClassDescriptor<T>
Type Parameters:
T - Type of the instances created from this descriptor.
Direct Known Subclasses:
EqualityHelperExtensionProviderDescriptorRCPImpl, PostProcessorDescriptor, WeightProviderDescriptorRCPImpl
public class PluginClassDescriptor<T> extends Object
Simple utility class to create proxy of extension that are instantiable.

No test of the validity of the wrapped IConfigurationElement is performed. As such you should always extend this class while listening to the IExtensionRegistry and react properly the removal of the wrapped IConfigurationElement.

Note: this is based on org.eclipse.emf.ecore.plugin.RegistryReader.PluginClassDescriptor

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected String
    attributeName
    The name of the attribute that holds the class full name to be instantiated.
    protected org.eclipse.core.runtime.IConfigurationElement
    element
    The element from which create an instance.

  • Constructor Summary

    Constructors
    Constructor
    Description
    PluginClassDescriptor(org.eclipse.core.runtime.IConfigurationElement element, String attributeName)
    Creates a new descriptor for given element keeping the class name to be instantiated in an attribute named attributeName.

  • Method Summary

    Modifier and Type
    Method
    Description
    protected T
    createInstance()
    Creates a new instance.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • element

      protected org.eclipse.core.runtime.IConfigurationElement element
      The element from which create an instance.

    • attributeName

      protected String attributeName
      The name of the attribute that holds the class full name to be instantiated.

  • Constructor Details

    • PluginClassDescriptor

      public PluginClassDescriptor(org.eclipse.core.runtime.IConfigurationElement element, String attributeName)
      Creates a new descriptor for given element keeping the class name to be instantiated in an attribute named attributeName.
      Parameters:
      element - The element from which create an instance.
      attributeName - The name of the attribute that holds the class full name to be instantiated.

  • Method Details

    • createInstance

      protected T createInstance()
      Creates a new instance.
      Returns:
      the new instance.
      Throws:
      RuntimeException - wraps a CoreException if an instance of the executable extension could not be created for any reason.