/*
 * Copyright (c) 2005, 2012 IBM Corporation, CEA, 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:
 *   IBM - initial API and implementation
 *   Kenn Hussey - 286329, 323181, 335125
 *   Kenn Hussey (CEA) - 327039
 *
 */
package org.eclipse.uml2.uml.internal.impl;

import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import java.util.Map;

import org.eclipse.emf.common.CommonPlugin;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.DiagnosticChain;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.EModelElementImpl;

import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.uml2.common.util.CacheAdapter;
import org.eclipse.uml2.common.util.DerivedUnionEObjectEList;

import org.eclipse.uml2.uml.Comment;
import org.eclipse.uml2.uml.DirectedRelationship;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Model;
import org.eclipse.uml2.uml.Relationship;
import org.eclipse.uml2.uml.Stereotype;
import org.eclipse.uml2.uml.UMLPackage;

import org.eclipse.uml2.uml.internal.operations.ElementOperations;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Element</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ElementImpl#getOwnedElements <em>Owned Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ElementImpl#getOwner <em>Owner</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ElementImpl#getOwnedComments <em>Owned Comment</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class ElementImpl
		extends EModelElementImpl
		implements Element {

	/**
	 * The cached value of the '{@link #getOwnedComments() <em>Owned Comment</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOwnedComments()
	 * @generated
	 * @ordered
	 */
	protected EList<Comment> ownedComments;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ElementImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return UMLPackage.Literals.ELEMENT;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Element> getOwnedElements() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			Resource eResource = eResource();
			@SuppressWarnings("unchecked")
			EList<Element> ownedElements = (EList<Element>) cache.get(
				eResource, this, UMLPackage.Literals.ELEMENT__OWNED_ELEMENT);
			if (ownedElements == null) {
				cache.put(eResource, this,
					UMLPackage.Literals.ELEMENT__OWNED_ELEMENT,
					ownedElements = new DerivedUnionEObjectEList<Element>(
						Element.class, this, UMLPackage.ELEMENT__OWNED_ELEMENT,
						OWNED_ELEMENT_ESUBSETS));
			}
			return ownedElements;
		}
		return new DerivedUnionEObjectEList<Element>(Element.class, this,
			UMLPackage.ELEMENT__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Comment> getOwnedComments() {
		if (ownedComments == null) {
			ownedComments = new EObjectContainmentEList.Resolving<Comment>(
				Comment.class, this, UMLPackage.ELEMENT__OWNED_COMMENT);
		}
		return ownedComments;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Comment createOwnedComment() {
		Comment newOwnedComment = (Comment) create(UMLPackage.Literals.COMMENT);
		getOwnedComments().add(newOwnedComment);
		return newOwnedComment;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateNotOwnSelf(DiagnosticChain diagnostics,
			Map<Object, Object> context) {
		return ElementOperations.validateNotOwnSelf(this, diagnostics, context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateHasOwner(DiagnosticChain diagnostics,
			Map<Object, Object> context) {
		return ElementOperations.validateHasOwner(this, diagnostics, context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<EObject> getStereotypeApplications() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<EObject> result = (EList<EObject>) cache.get(this,
				UMLPackage.Literals.ELEMENT___GET_STEREOTYPE_APPLICATIONS);
			if (result == null) {
				cache.put(this,
					UMLPackage.Literals.ELEMENT___GET_STEREOTYPE_APPLICATIONS,
					result = ElementOperations.getStereotypeApplications(this));
			}
			return result;
		}
		return ElementOperations.getStereotypeApplications(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EObject getStereotypeApplication(Stereotype stereotype) {
		return ElementOperations.getStereotypeApplication(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Stereotype> getRequiredStereotypes() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<Stereotype> result = (EList<Stereotype>) cache.get(this,
				UMLPackage.Literals.ELEMENT___GET_REQUIRED_STEREOTYPES);
			if (result == null) {
				cache.put(this,
					UMLPackage.Literals.ELEMENT___GET_REQUIRED_STEREOTYPES,
					result = ElementOperations.getRequiredStereotypes(this));
			}
			return result;
		}
		return ElementOperations.getRequiredStereotypes(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Stereotype getRequiredStereotype(String qualifiedName) {
		return ElementOperations.getRequiredStereotype(this, qualifiedName);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Stereotype> getAppliedStereotypes() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<Stereotype> result = (EList<Stereotype>) cache.get(this,
				UMLPackage.Literals.ELEMENT___GET_APPLIED_STEREOTYPES);
			if (result == null) {
				cache.put(this,
					UMLPackage.Literals.ELEMENT___GET_APPLIED_STEREOTYPES,
					result = ElementOperations.getAppliedStereotypes(this));
			}
			return result;
		}
		return ElementOperations.getAppliedStereotypes(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Stereotype getAppliedStereotype(String qualifiedName) {
		return ElementOperations.getAppliedStereotype(this, qualifiedName);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Stereotype> getAppliedSubstereotypes(Stereotype stereotype) {
		return ElementOperations.getAppliedSubstereotypes(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Stereotype getAppliedSubstereotype(Stereotype stereotype,
			String qualifiedName) {
		return ElementOperations.getAppliedSubstereotype(this, stereotype,
			qualifiedName);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean hasValue(Stereotype stereotype, String propertyName) {
		return ElementOperations.hasValue(this, stereotype, propertyName);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object getValue(Stereotype stereotype, String propertyName) {
		return ElementOperations.getValue(this, stereotype, propertyName);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue(Stereotype stereotype, String propertyName,
			Object newValue) {
		ElementOperations.setValue(this, stereotype, propertyName, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EAnnotation createEAnnotation(String source) {
		return ElementOperations.createEAnnotation(this, source);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Relationship> getRelationships() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<Relationship> result = (EList<Relationship>) cache.get(this,
				UMLPackage.Literals.ELEMENT___GET_RELATIONSHIPS);
			if (result == null) {
				cache.put(this,
					UMLPackage.Literals.ELEMENT___GET_RELATIONSHIPS,
					result = ElementOperations.getRelationships(this));
			}
			return result;
		}
		return ElementOperations.getRelationships(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Relationship> getRelationships(EClass eClass) {
		return ElementOperations.getRelationships(this, eClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<DirectedRelationship> getSourceDirectedRelationships() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<DirectedRelationship> result = (EList<DirectedRelationship>) cache
				.get(
					this,
					UMLPackage.Literals.ELEMENT___GET_SOURCE_DIRECTED_RELATIONSHIPS);
			if (result == null) {
				cache
					.put(
						this,
						UMLPackage.Literals.ELEMENT___GET_SOURCE_DIRECTED_RELATIONSHIPS,
						result = ElementOperations
							.getSourceDirectedRelationships(this));
			}
			return result;
		}
		return ElementOperations.getSourceDirectedRelationships(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<DirectedRelationship> getSourceDirectedRelationships(
			EClass eClass) {
		return ElementOperations.getSourceDirectedRelationships(this, eClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<DirectedRelationship> getTargetDirectedRelationships() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<DirectedRelationship> result = (EList<DirectedRelationship>) cache
				.get(
					this,
					UMLPackage.Literals.ELEMENT___GET_TARGET_DIRECTED_RELATIONSHIPS);
			if (result == null) {
				cache
					.put(
						this,
						UMLPackage.Literals.ELEMENT___GET_TARGET_DIRECTED_RELATIONSHIPS,
						result = ElementOperations
							.getTargetDirectedRelationships(this));
			}
			return result;
		}
		return ElementOperations.getTargetDirectedRelationships(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<DirectedRelationship> getTargetDirectedRelationships(
			EClass eClass) {
		return ElementOperations.getTargetDirectedRelationships(this, eClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<String> getKeywords() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<String> result = (EList<String>) cache.get(eResource(), this,
				UMLPackage.Literals.ELEMENT___GET_KEYWORDS);
			if (result == null) {
				cache.put(eResource(), this,
					UMLPackage.Literals.ELEMENT___GET_KEYWORDS,
					result = ElementOperations.getKeywords(this));
			}
			return result;
		}
		return ElementOperations.getKeywords(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean addKeyword(String keyword) {
		return ElementOperations.addKeyword(this, keyword);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean removeKeyword(String keyword) {
		return ElementOperations.removeKeyword(this, keyword);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public org.eclipse.uml2.uml.Package getNearestPackage() {
		return ElementOperations.getNearestPackage(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Model getModel() {
		return ElementOperations.getModel(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isStereotypeApplicable(Stereotype stereotype) {
		return ElementOperations.isStereotypeApplicable(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isStereotypeRequired(Stereotype stereotype) {
		return ElementOperations.isStereotypeRequired(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isStereotypeApplied(Stereotype stereotype) {
		return ElementOperations.isStereotypeApplied(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EObject applyStereotype(Stereotype stereotype) {
		return ElementOperations.applyStereotype(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EObject unapplyStereotype(Stereotype stereotype) {
		return ElementOperations.unapplyStereotype(this, stereotype);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Stereotype> getApplicableStereotypes() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<Stereotype> result = (EList<Stereotype>) cache.get(this,
				UMLPackage.Literals.ELEMENT___GET_APPLICABLE_STEREOTYPES);
			if (result == null) {
				cache.put(this,
					UMLPackage.Literals.ELEMENT___GET_APPLICABLE_STEREOTYPES,
					result = ElementOperations.getApplicableStereotypes(this));
			}
			return result;
		}
		return ElementOperations.getApplicableStereotypes(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Stereotype getApplicableStereotype(String qualifiedName) {
		return ElementOperations.getApplicableStereotype(this, qualifiedName);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean hasKeyword(String keyword) {
		return ElementOperations.hasKeyword(this, keyword);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void destroy() {
		ElementOperations.destroy(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Element> allOwnedElements() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			@SuppressWarnings("unchecked")
			EList<Element> result = (EList<Element>) cache.get(this,
				UMLPackage.Literals.ELEMENT___ALL_OWNED_ELEMENTS);
			if (result == null) {
				cache.put(this,
					UMLPackage.Literals.ELEMENT___ALL_OWNED_ELEMENTS,
					result = ElementOperations.allOwnedElements(this));
			}
			return result;
		}
		return ElementOperations.allOwnedElements(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean mustBeOwned() {
		return ElementOperations.mustBeOwned(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.ELEMENT__EANNOTATIONS :
				return ((InternalEList<?>) getEAnnotations()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.ELEMENT__OWNED_COMMENT :
				return ((InternalEList<?>) getOwnedComments()).basicRemove(
					otherEnd, msgs);
		}
		return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.ELEMENT__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.ELEMENT__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.ELEMENT__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.ELEMENT__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.ELEMENT__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll(
					(Collection<? extends EAnnotation>) newValue);
				return;
			case UMLPackage.ELEMENT__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll(
					(Collection<? extends Comment>) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.ELEMENT__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.ELEMENT__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.ELEMENT__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.ELEMENT__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.ELEMENT__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.ELEMENT__OWNER :
				return isSetOwner();
		}
		return eDynamicIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	@SuppressWarnings("unchecked")
	public Object eInvoke(int operationID, EList<?> arguments)
			throws InvocationTargetException {
		switch (operationID) {
			case UMLPackage.ELEMENT___GET_EANNOTATION__STRING :
				return getEAnnotation((String) arguments.get(0));
			case UMLPackage.ELEMENT___VALIDATE_HAS_OWNER__DIAGNOSTICCHAIN_MAP :
				return validateHasOwner((DiagnosticChain) arguments.get(0),
					(Map<Object, Object>) arguments.get(1));
			case UMLPackage.ELEMENT___VALIDATE_NOT_OWN_SELF__DIAGNOSTICCHAIN_MAP :
				return validateNotOwnSelf((DiagnosticChain) arguments.get(0),
					(Map<Object, Object>) arguments.get(1));
			case UMLPackage.ELEMENT___ADD_KEYWORD__STRING :
				return addKeyword((String) arguments.get(0));
			case UMLPackage.ELEMENT___APPLY_STEREOTYPE__STEREOTYPE :
				return applyStereotype((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___CREATE_EANNOTATION__STRING :
				return createEAnnotation((String) arguments.get(0));
			case UMLPackage.ELEMENT___DESTROY :
				destroy();
				return null;
			case UMLPackage.ELEMENT___GET_KEYWORDS :
				return getKeywords();
			case UMLPackage.ELEMENT___GET_APPLICABLE_STEREOTYPE__STRING :
				return getApplicableStereotype((String) arguments.get(0));
			case UMLPackage.ELEMENT___GET_APPLICABLE_STEREOTYPES :
				return getApplicableStereotypes();
			case UMLPackage.ELEMENT___GET_APPLIED_STEREOTYPE__STRING :
				return getAppliedStereotype((String) arguments.get(0));
			case UMLPackage.ELEMENT___GET_APPLIED_STEREOTYPES :
				return getAppliedStereotypes();
			case UMLPackage.ELEMENT___GET_APPLIED_SUBSTEREOTYPE__STEREOTYPE_STRING :
				return getAppliedSubstereotype((Stereotype) arguments.get(0),
					(String) arguments.get(1));
			case UMLPackage.ELEMENT___GET_APPLIED_SUBSTEREOTYPES__STEREOTYPE :
				return getAppliedSubstereotypes((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___GET_MODEL :
				return getModel();
			case UMLPackage.ELEMENT___GET_NEAREST_PACKAGE :
				return getNearestPackage();
			case UMLPackage.ELEMENT___GET_RELATIONSHIPS :
				return getRelationships();
			case UMLPackage.ELEMENT___GET_RELATIONSHIPS__ECLASS :
				return getRelationships((EClass) arguments.get(0));
			case UMLPackage.ELEMENT___GET_REQUIRED_STEREOTYPE__STRING :
				return getRequiredStereotype((String) arguments.get(0));
			case UMLPackage.ELEMENT___GET_REQUIRED_STEREOTYPES :
				return getRequiredStereotypes();
			case UMLPackage.ELEMENT___GET_SOURCE_DIRECTED_RELATIONSHIPS :
				return getSourceDirectedRelationships();
			case UMLPackage.ELEMENT___GET_SOURCE_DIRECTED_RELATIONSHIPS__ECLASS :
				return getSourceDirectedRelationships((EClass) arguments.get(0));
			case UMLPackage.ELEMENT___GET_STEREOTYPE_APPLICATION__STEREOTYPE :
				return getStereotypeApplication((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___GET_STEREOTYPE_APPLICATIONS :
				return getStereotypeApplications();
			case UMLPackage.ELEMENT___GET_TARGET_DIRECTED_RELATIONSHIPS :
				return getTargetDirectedRelationships();
			case UMLPackage.ELEMENT___GET_TARGET_DIRECTED_RELATIONSHIPS__ECLASS :
				return getTargetDirectedRelationships((EClass) arguments.get(0));
			case UMLPackage.ELEMENT___GET_VALUE__STEREOTYPE_STRING :
				return getValue((Stereotype) arguments.get(0),
					(String) arguments.get(1));
			case UMLPackage.ELEMENT___HAS_KEYWORD__STRING :
				return hasKeyword((String) arguments.get(0));
			case UMLPackage.ELEMENT___HAS_VALUE__STEREOTYPE_STRING :
				return hasValue((Stereotype) arguments.get(0),
					(String) arguments.get(1));
			case UMLPackage.ELEMENT___IS_STEREOTYPE_APPLICABLE__STEREOTYPE :
				return isStereotypeApplicable((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___IS_STEREOTYPE_APPLIED__STEREOTYPE :
				return isStereotypeApplied((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___IS_STEREOTYPE_REQUIRED__STEREOTYPE :
				return isStereotypeRequired((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___REMOVE_KEYWORD__STRING :
				return removeKeyword((String) arguments.get(0));
			case UMLPackage.ELEMENT___SET_VALUE__STEREOTYPE_STRING_OBJECT :
				setValue((Stereotype) arguments.get(0),
					(String) arguments.get(1), arguments.get(2));
				return null;
			case UMLPackage.ELEMENT___UNAPPLY_STEREOTYPE__STEREOTYPE :
				return unapplyStereotype((Stereotype) arguments.get(0));
			case UMLPackage.ELEMENT___ALL_OWNED_ELEMENTS :
				return allOwnedElements();
			case UMLPackage.ELEMENT___MUST_BE_OWNED :
				return mustBeOwned();
		}
		return eDynamicInvoke(operationID, arguments);
	}

	/**
	 * Creates a new instance of the specified Ecore class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param eClass The Ecore class of the instance to create.
	 * @return The new instance.
	 * @generated
	 */
	protected EObject create(EClass eClass) {
		return EcoreUtil.create(eClass);
	}

	/**
	 * Retrieves the cache adapter for this '<em><b>Element</b></em>'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return The cache adapter for this '<em><b>Element</b></em>'.
	 * @generated NOT
	 */
	protected CacheAdapter getCacheAdapter() {
		return CacheAdapter.getInstance();
	}

	/**
	 * The array of subset feature identifiers for the '{@link #getOwnedElements() <em>Owned Element</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOwnedElements()
	 * @generated
	 * @ordered
	 */
	protected static final int[] OWNED_ELEMENT_ESUBSETS = new int[]{UMLPackage.ELEMENT__OWNED_COMMENT};

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetOwnedElements() {
		return eIsSet(UMLPackage.ELEMENT__OWNED_COMMENT);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Element basicGetOwnerGen() {
		return null;
	}

	public Element basicGetOwner() {
		InternalEObject eInternalContainer = eInternalContainer();
		return eInternalContainer instanceof Element
			? (Element) eInternalContainer
			: basicGetOwnerGen();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Element getOwner() {
		Element owner = basicGetOwner();
		return owner != null && owner.eIsProxy()
			? (Element) eResolveProxy((InternalEObject) owner)
			: owner;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetOwnerGen() {
		return false;
	}

	public boolean isSetOwner() {
		return basicGetOwner() != null;
	}

	private static final Class<?> CHANGE_DESCRIPTION_CLASS;

	static {
		Class<?> changeDescriptionClass = null;

		try {
			changeDescriptionClass = CommonPlugin.loadClass(
				"org.eclipse.emf.ecore.change", //$NON-NLS-1$
				"org.eclipse.emf.ecore.change.ChangeDescription"); //$NON-NLS-1$
		} catch (Throwable throwable) {
			// ignore
		}

		CHANGE_DESCRIPTION_CLASS = changeDescriptionClass;
	}

	@Override
	public NotificationChain eBasicSetContainer(InternalEObject newContainer,
			int newContainerFeatureID, NotificationChain msgs) {
		msgs = super.eBasicSetContainer(newContainer, newContainerFeatureID,
			msgs);

		if (newContainer != null
			&& (CHANGE_DESCRIPTION_CLASS == null || !(CHANGE_DESCRIPTION_CLASS
				.isInstance(newContainer)))) {

			Resource.Internal eInternalResource = eInternalResource();

			if (eInternalResource == null || !eInternalResource.isLoading()) {
				ElementOperations.unapplyAllNonApplicableStereotypes(this,
					false);
				ElementOperations.applyAllRequiredStereotypes(this, false);
			}
		}

		return msgs;
	}

	private static final int ADAPTING = 1 << 7;

	@Override
	public EList<Adapter> eAdapters() {

		if ((eFlags & ADAPTING) == 0 && !eBasicHasAdapters()) {
			eFlags |= ADAPTING;

			CacheAdapter cacheAdapter = getCacheAdapter();

			if (cacheAdapter != null) {
				cacheAdapter.adapt(this);
			}

			eFlags &= ~ADAPTING;
		}

		return super.eAdapters();
	}

	@Override
	public void eSetDeliver(boolean deliver) {

		if (deliver) {
			CacheAdapter cacheAdapter = getCacheAdapter();

			if (cacheAdapter != null) {
				cacheAdapter.handleCrossReference(this);
			}
		}

		super.eSetDeliver(deliver);
	}

	@Override
	public boolean eNotificationRequired() {
		return getCacheAdapter() == null
			? super.eNotificationRequired()
			: eDeliver();
	}

	@Override
	public void eNotify(Notification notification) {

		if (eDeliver()) {
			Adapter[] eBasicAdapters = eBasicAdapterArray();

			if (eBasicAdapters == null) {
				CacheAdapter cacheAdapter = getCacheAdapter();

				if (cacheAdapter != null) {
					cacheAdapter.notifyChanged(notification);
				}
			} else {
				for (int i = 0, size = eBasicAdapters.length; i < size; i++) {
					eBasicAdapters[i].notifyChanged(notification);
				}
			}
		}
	}

} // ElementImpl