| /******************************************************************************* |
| * Copyright (c) 2008-2011 Chair for Applied Software Engineering, |
| * Technische Universitaet Muenchen. |
| * 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: |
| ******************************************************************************/ |
| package org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.NotificationChain; |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.InternalEObject; |
| import org.eclipse.emf.ecore.impl.ENotificationImpl; |
| import org.eclipse.emf.ecore.util.EObjectContainmentEList; |
| import org.eclipse.emf.ecore.util.InternalEList; |
| import org.eclipse.emf.emfstore.internal.common.model.IdEObjectCollection; |
| import org.eclipse.emf.emfstore.internal.common.model.ModelElementId; |
| import org.eclipse.emf.emfstore.internal.common.model.impl.IdEObjectCollectionImpl; |
| import org.eclipse.emf.emfstore.internal.common.model.util.ModelUtil; |
| import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.AbstractOperation; |
| import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.MultiReferenceOperation; |
| import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.OperationsFactory; |
| import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.OperationsPackage; |
| import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.UnkownFeatureException; |
| import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.UnsetType; |
| |
| /** |
| * <!-- begin-user-doc --> An implementation of the model object ' <em><b>Multi Reference Operation</b></em>'. <!-- |
| * end-user-doc --> |
| * <p> |
| * The following features are implemented: |
| * </p> |
| * <ul> |
| * <li> |
| * {@link org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.MultiReferenceOperationImpl#isAdd |
| * <em>Add</em>}</li> |
| * <li> |
| * {@link org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.MultiReferenceOperationImpl#getIndex |
| * <em>Index</em>}</li> |
| * <li> |
| * {@link org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.MultiReferenceOperationImpl#getReferencedModelElements |
| * <em>Referenced Model Elements</em>}</li> |
| * </ul> |
| * |
| * @generated |
| */ |
| public class MultiReferenceOperationImpl extends ReferenceOperationImpl implements MultiReferenceOperation { |
| |
| /** |
| * The default value of the '{@link #isAdd() <em>Add</em>}' attribute. <!-- |
| * begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #isAdd() |
| * @generated |
| * @ordered |
| */ |
| protected static final boolean ADD_EDEFAULT = false; |
| |
| /** |
| * The cached value of the '{@link #isAdd() <em>Add</em>}' attribute. <!-- |
| * begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #isAdd() |
| * @generated |
| * @ordered |
| */ |
| protected boolean add = ADD_EDEFAULT; |
| |
| /** |
| * The default value of the '{@link #getIndex() <em>Index</em>}' attribute. |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #getIndex() |
| * @generated |
| * @ordered |
| */ |
| protected static final int INDEX_EDEFAULT = 0; |
| |
| /** |
| * The cached value of the '{@link #getIndex() <em>Index</em>}' attribute. |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #getIndex() |
| * @generated |
| * @ordered |
| */ |
| protected int index = INDEX_EDEFAULT; |
| |
| /** |
| * The cached value of the '{@link #getReferencedModelElements() |
| * <em>Referenced Model Elements</em>}' containment reference list. <!-- |
| * begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #getReferencedModelElements() |
| * @generated |
| * @ordered |
| */ |
| protected EList<ModelElementId> referencedModelElements; |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| protected MultiReferenceOperationImpl() { |
| super(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| protected EClass eStaticClass() { |
| return OperationsPackage.Literals.MULTI_REFERENCE_OPERATION; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public boolean isAdd() { |
| return add; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public void setAdd(boolean newAdd) { |
| final boolean oldAdd = add; |
| add = newAdd; |
| if (eNotificationRequired()) { |
| eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.MULTI_REFERENCE_OPERATION__ADD, |
| oldAdd, add)); |
| } |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public int getIndex() { |
| return index; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public void setIndex(int newIndex) { |
| final int oldIndex = index; |
| index = newIndex; |
| if (eNotificationRequired()) { |
| eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX, |
| oldIndex, index)); |
| } |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public EList<ModelElementId> getReferencedModelElements() { |
| if (referencedModelElements == null) { |
| referencedModelElements = new EObjectContainmentEList.Resolving<ModelElementId>(ModelElementId.class, this, |
| OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS); |
| } |
| return referencedModelElements; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) { |
| switch (featureID) { |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS: |
| return ((InternalEList<?>) getReferencedModelElements()).basicRemove(otherEnd, msgs); |
| } |
| return super.eInverseRemove(otherEnd, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public Object eGet(int featureID, boolean resolve, boolean coreType) { |
| switch (featureID) { |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD: |
| return isAdd(); |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX: |
| return getIndex(); |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS: |
| return getReferencedModelElements(); |
| } |
| return super.eGet(featureID, resolve, coreType); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @SuppressWarnings("unchecked") |
| @Override |
| public void eSet(int featureID, Object newValue) { |
| switch (featureID) { |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD: |
| setAdd((Boolean) newValue); |
| return; |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX: |
| setIndex((Integer) newValue); |
| return; |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS: |
| getReferencedModelElements().clear(); |
| getReferencedModelElements().addAll((Collection<? extends ModelElementId>) newValue); |
| return; |
| } |
| super.eSet(featureID, newValue); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public void eUnset(int featureID) { |
| switch (featureID) { |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD: |
| setAdd(ADD_EDEFAULT); |
| return; |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX: |
| setIndex(INDEX_EDEFAULT); |
| return; |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS: |
| getReferencedModelElements().clear(); |
| return; |
| } |
| super.eUnset(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public boolean eIsSet(int featureID) { |
| switch (featureID) { |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD: |
| return add != ADD_EDEFAULT; |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX: |
| return index != INDEX_EDEFAULT; |
| case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS: |
| return referencedModelElements != null && !referencedModelElements.isEmpty(); |
| } |
| return super.eIsSet(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| @Override |
| public String toString() { |
| if (eIsProxy()) { |
| return super.toString(); |
| } |
| |
| final StringBuffer result = new StringBuffer(super.toString()); |
| result.append(" (add: "); //$NON-NLS-1$ |
| result.append(add); |
| result.append(", index: "); //$NON-NLS-1$ |
| result.append(index); |
| result.append(')'); |
| return result.toString(); |
| } |
| |
| public void apply(IdEObjectCollection project) { |
| |
| final EObject modelElement = project.getModelElement(getModelElementId()); |
| |
| if (modelElement == null) { |
| // fail silently |
| return; |
| } |
| |
| final Map<EObject, ModelElementId> allocatables = new LinkedHashMap<EObject, ModelElementId>(); |
| final EList<ModelElementId> referencedModelElementIds = getReferencedModelElements(); |
| final List<EObject> referencedModelElements = new ArrayList<EObject>(); |
| |
| for (final ModelElementId refrencedModelElementId : referencedModelElementIds) { |
| EObject referencedModelElement = project.getModelElement(refrencedModelElementId); |
| if (referencedModelElement == null) { |
| referencedModelElement = ((IdEObjectCollectionImpl) project) |
| .getDeletedModelElement(refrencedModelElementId); |
| } |
| if (referencedModelElement != null) { |
| referencedModelElements.add(referencedModelElement); |
| allocatables.put(referencedModelElement, refrencedModelElementId); |
| } |
| } |
| EReference reference; |
| try { |
| reference = (EReference) this.getFeature(modelElement); |
| } catch (final UnkownFeatureException e) { |
| // fail silently |
| return; |
| } |
| final Object object = modelElement.eGet(reference); |
| @SuppressWarnings("unchecked") |
| final EList<EObject> list = (EList<EObject>) object; |
| |
| switch (getUnset().getValue()) { |
| case UnsetType.IS_UNSET_VALUE: |
| modelElement.eUnset(reference); |
| // Fall-through because we only want to set the unset-flag of the list. The reference itself shall be |
| // treated as before. If no fall-through the reference will always be removed from the project by unset, |
| // but |
| // this is not intended. |
| // $FALL-THROUGH$ |
| case UnsetType.NONE_VALUE: |
| case UnsetType.WAS_UNSET_VALUE: |
| if (isAdd()) { |
| if (index < list.size() && index > -1) { |
| int i = index; |
| for (final EObject m : referencedModelElements) { |
| |
| if (i < list.size()) { |
| if (list.contains(m)) { |
| list.move(i, m); |
| } else { |
| list.add(i, m); |
| } |
| } else { |
| // index grows out of bounds |
| if (list.contains(m)) { |
| // if element already in list, move to the end |
| list.move(list.size() - 1, m); |
| i--; |
| } else { |
| // if element not in list, just append |
| list.add(m); |
| } |
| } |
| |
| i++; |
| } |
| // list.addAll(getIndex(), referencedModelElements); |
| } else { |
| // if index is out of range ignore index |
| for (final EObject m : referencedModelElements) { |
| if (list.contains(m)) { |
| // move to end |
| list.move(list.size() - 1, m); |
| } else { |
| // append |
| list.add(m); |
| } |
| } |
| } |
| } else { |
| |
| final boolean indexAdjusted = false; |
| |
| for (final EObject me : referencedModelElements) { |
| if (list.contains(me)) { |
| if (!indexAdjusted) { |
| final int indexOf = list.indexOf(me); |
| setIndex(indexOf); |
| } |
| list.remove(me); |
| } |
| } |
| |
| if (reference.isContainment()) { |
| project.allocateModelElementIds(allocatables); |
| for (final EObject currentElement : referencedModelElements) { |
| project.addModelElement(currentElement); |
| } |
| |
| } |
| if (referencedModelElements.size() == 0 && getUnset().getValue() == UnsetType.WAS_UNSET_VALUE) { |
| modelElement.eSet(reference, list); |
| } |
| } |
| break; |
| } |
| } |
| |
| @Override |
| public AbstractOperation reverse() { |
| final MultiReferenceOperation multiReferenceOperation = OperationsFactory.eINSTANCE |
| .createMultiReferenceOperation(); |
| super.reverse(multiReferenceOperation); |
| multiReferenceOperation.setAdd(!isAdd()); |
| final EList<ModelElementId> copiedReferencedModelElements = multiReferenceOperation |
| .getReferencedModelElements(); |
| final EList<ModelElementId> modelElements = getReferencedModelElements(); |
| for (final ModelElementId modelElementId : modelElements) { |
| copiedReferencedModelElements.add(ModelUtil.clone(modelElementId)); |
| } |
| multiReferenceOperation.setIndex(getIndex()); |
| |
| setUnsetForReverseOperation(multiReferenceOperation); |
| |
| return multiReferenceOperation; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.emfstore.internal.server.model.versioning.operations.AbstractOperation#getOtherInvolvedModelElements() |
| */ |
| @Override |
| public Set<ModelElementId> getOtherInvolvedModelElements() { |
| final Set<ModelElementId> set = new LinkedHashSet<ModelElementId>(); |
| set.addAll(getReferencedModelElements()); |
| return set; |
| } |
| |
| } // MultiReferenceOperationImpl |
