| package org.eclipse.ui; | |
| /* | |
| * (c) Copyright IBM Corp. 2000, 2001. | |
| * All Rights Reserved. | |
| */ | |
| import org.eclipse.core.runtime.IAdaptable; | |
| /** | |
| * A factory for re-creating objects from a previously saved memento. | |
| * <p> | |
| * Clients should implement this interface and include the name of their class | |
| * in an extension to the platform extension point named | |
| * <code>"org.eclipse.ui.elementFactories"</code>. | |
| * For example, the plug-in's XML markup might contain: | |
| * <pre> | |
| * <extension point="org.eclipse.ui.elementFactories"> | |
| * <factory id="com.example.myplugin.MyFactory" class="com.example.myplugin.MyFactory" /> | |
| * </extension> | |
| * </pre> | |
| * </p> | |
| * | |
| * @see IPersistableElement | |
| * @see IMemento | |
| */ | |
| public interface IElementFactory { | |
| /** | |
| * Re-creates and returns an object from the state captured within the given | |
| * memento. | |
| * <p> | |
| * Under normal circumstances, the resulting object can be expected to be | |
| * persistable; that is, | |
| * <pre> | |
| * result.getAdapter(org.eclipse.ui.IPersistableElement.class) | |
| * </pre> | |
| * should not return <code>null</code>. | |
| * </p> | |
| * | |
| * @param memento a memento containing the state for the object | |
| * @return an object, or <code>null</code> if the element could not be created | |
| */ | |
| public IAdaptable createElement(IMemento memento); | |
| } |