| /******************************************************************************* |
| * Copyright (c) 2010, 2014 Willink Transformations and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * C.Damus, K.Hussey, E.D.Willink - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.pivot.internal.delegate; |
| |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.common.delegate.DelegateResourceSetAdapter; |
| import org.eclipse.ocl.pivot.utilities.ClassUtil; |
| import org.eclipse.ocl.pivot.utilities.PivotConstants; |
| |
| /** |
| * Factory for OCL derived-attribute setting delegates. |
| */ |
| public class OCLSettingDelegateFactory extends AbstractOCLDelegateFactory |
| implements EStructuralFeature.Internal.SettingDelegate.Factory |
| { |
| public OCLSettingDelegateFactory(@NonNull String delegateURI) { |
| super(delegateURI); |
| } |
| |
| @Override |
| public @Nullable EStructuralFeature.Internal.SettingDelegate createSettingDelegate(EStructuralFeature structuralFeature) { |
| if (structuralFeature == null) { |
| return null; |
| } |
| EPackage ePackage = structuralFeature.getEContainingClass().getEPackage(); |
| OCLDelegateDomain delegateDomain = getDelegateDomain(ClassUtil.nonNullEMF(ePackage)); |
| if (delegateDomain == null) { |
| return null; |
| } |
| if (structuralFeature.isChangeable() && !structuralFeature.isVolatile()) { |
| return new OCLSettingDelegate.Changeable(delegateDomain, structuralFeature); |
| } |
| else { |
| return new OCLSettingDelegate(delegateDomain, structuralFeature); |
| } |
| } |
| |
| /** |
| * The Global variant of the Factory delegates to a local ResourceSet factory if one |
| * can be located at the EStructuralFeature.Internal.SettingDelegate.Factory.Registry |
| * by the DelegateResourceSetAdapter. |
| */ |
| public static class Global extends OCLSettingDelegateFactory |
| { |
| public Global() { |
| super(PivotConstants.OCL_DELEGATE_URI_PIVOT); |
| } |
| |
| @Override |
| public @Nullable EStructuralFeature.Internal.SettingDelegate createSettingDelegate(EStructuralFeature structuralFeature) { |
| if (structuralFeature == null) { |
| return null; |
| } |
| EStructuralFeature.Internal.SettingDelegate.Factory.Registry localRegistry = DelegateResourceSetAdapter.getRegistry( |
| structuralFeature, EStructuralFeature.Internal.SettingDelegate.Factory.Registry.class, null); |
| if (localRegistry != null) { |
| EStructuralFeature.Internal.SettingDelegate.Factory factory = localRegistry.getFactory(delegateURI); |
| if (factory != null) { |
| return factory.createSettingDelegate(structuralFeature); |
| } |
| } |
| return super.createSettingDelegate(structuralFeature); |
| } |
| } |
| } |