/*
 * Copyright (c) 2005, 2018 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 v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *   IBM - initial API and implementation
 *   Kenn Hussey - 286329, 323181, 535301
 *   Kenn Hussey (CEA) - 327039, 351774, 418466, 451350, 485756
 *
 */
package org.eclipse.uml2.uml.cdo.internal.impl;

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

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.InternalEObject;

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

import org.eclipse.emf.ecore.resource.Resource;

import org.eclipse.emf.ecore.util.EObjectResolvingEList;
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.Constraint;
import org.eclipse.uml2.uml.DirectedRelationship;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Extend;
import org.eclipse.uml2.uml.ExtensionPoint;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.Namespace;
import org.eclipse.uml2.uml.Relationship;
import org.eclipse.uml2.uml.Stereotype;
import org.eclipse.uml2.uml.StringExpression;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.UseCase;
import org.eclipse.uml2.uml.VisibilityKind;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Extend</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getRelatedElements <em>Related Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getSources <em>Source</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getTargets <em>Target</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getOwnedElements <em>Owned Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getNamespace <em>Namespace</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getCondition <em>Condition</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getExtendedCase <em>Extended Case</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getExtensionLocations <em>Extension Location</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.cdo.internal.impl.ExtendImpl#getExtension <em>Extension</em>}</li>
 * </ul>
 *
 * @generated
 */
public class ExtendImpl
		extends NamedElementImpl
		implements Extend {

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

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	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.EXTEND__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS));
			}
			return ownedElements;
		}
		return new DerivedUnionEObjectEList<Element>(Element.class, this, UMLPackage.EXTEND__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public UseCase getExtendedCase() {
		return (UseCase) eDynamicGet(UMLPackage.EXTEND__EXTENDED_CASE - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENDED_CASE, true, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public UseCase basicGetExtendedCase() {
		return (UseCase) eDynamicGet(UMLPackage.EXTEND__EXTENDED_CASE - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENDED_CASE, false, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExtendedCase(UseCase newExtendedCase) {
		eDynamicSet(UMLPackage.EXTEND__EXTENDED_CASE - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENDED_CASE, newExtendedCase);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint getCondition() {
		return (Constraint) eDynamicGet(UMLPackage.EXTEND__CONDITION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__CONDITION, true, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint basicGetCondition() {
		return (Constraint) eDynamicGet(UMLPackage.EXTEND__CONDITION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__CONDITION, false, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetCondition(Constraint newCondition,
			NotificationChain msgs) {
		msgs = eDynamicInverseAdd((InternalEObject) newCondition, UMLPackage.EXTEND__CONDITION, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setCondition(Constraint newCondition) {
		eDynamicSet(UMLPackage.EXTEND__CONDITION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__CONDITION, newCondition);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint createCondition(String name, EClass eClass) {
		Constraint newCondition = (Constraint) create(eClass);
		setCondition(newCondition);
		if (name != null)
			newCondition.setName(name);
		return newCondition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint createCondition(String name) {
		return createCondition(name, UMLPackage.Literals.CONSTRAINT);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	public EList<ExtensionPoint> getExtensionLocations() {
		return (EList<ExtensionPoint>) eDynamicGet(UMLPackage.EXTEND__EXTENSION_LOCATION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENSION_LOCATION, true, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExtensionPoint getExtensionLocation(String name) {
		return getExtensionLocation(name, false);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExtensionPoint getExtensionLocation(String name,
			boolean ignoreCase) {
		extensionLocationLoop: for (ExtensionPoint extensionLocation : getExtensionLocations()) {
			if (name != null && !(ignoreCase ? name.equalsIgnoreCase(extensionLocation.getName()) : name.equals(extensionLocation.getName())))
				continue extensionLocationLoop;
			return extensionLocation;
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public UseCase getExtension() {
		return (UseCase) eDynamicGet(UMLPackage.EXTEND__EXTENSION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENSION, true, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public UseCase basicGetExtension() {
		return (UseCase) eDynamicGet(UMLPackage.EXTEND__EXTENSION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENSION, false, true);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetExtension(UseCase newExtension,
			NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject) newExtension, UMLPackage.EXTEND__EXTENSION, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExtension(UseCase newExtension) {
		eDynamicSet(UMLPackage.EXTEND__EXTENSION - ESTATIC_FEATURE_COUNT, UMLPackage.Literals.EXTEND__EXTENSION, newExtension);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case UMLPackage.EXTEND__EANNOTATIONS:
			return ((InternalEList<InternalEObject>) (InternalEList<?>) getEAnnotations()).basicAdd(otherEnd, msgs);
		case UMLPackage.EXTEND__EXTENSION:
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			return basicSetExtension((UseCase) otherEnd, msgs);
		}
		return eDynamicInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case UMLPackage.EXTEND__EANNOTATIONS:
			return ((InternalEList<?>) getEAnnotations()).basicRemove(otherEnd, msgs);
		case UMLPackage.EXTEND__OWNED_COMMENT:
			return ((InternalEList<?>) getOwnedComments()).basicRemove(otherEnd, msgs);
		case UMLPackage.EXTEND__NAME_EXPRESSION:
			return basicSetNameExpression(null, msgs);
		case UMLPackage.EXTEND__CONDITION:
			return basicSetCondition(null, msgs);
		case UMLPackage.EXTEND__EXTENSION:
			return basicSetExtension(null, msgs);
		}
		return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(
			NotificationChain msgs) {
		switch (eContainerFeatureID()) {
		case UMLPackage.EXTEND__EXTENSION:
			return eInternalContainer().eInverseRemove(this, UMLPackage.USE_CASE__EXTEND, UseCase.class, msgs);
		}
		return eDynamicBasicRemoveFromContainer(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case UMLPackage.EXTEND__EANNOTATIONS:
			return getEAnnotations();
		case UMLPackage.EXTEND__OWNED_COMMENT:
			return getOwnedComments();
		case UMLPackage.EXTEND__OWNED_ELEMENT:
			return getOwnedElements();
		case UMLPackage.EXTEND__OWNER:
			if (resolve)
				return getOwner();
			return basicGetOwner();
		case UMLPackage.EXTEND__CLIENT_DEPENDENCY:
			return getClientDependencies();
		case UMLPackage.EXTEND__NAME:
			return getName();
		case UMLPackage.EXTEND__NAME_EXPRESSION:
			if (resolve)
				return getNameExpression();
			return basicGetNameExpression();
		case UMLPackage.EXTEND__NAMESPACE:
			if (resolve)
				return getNamespace();
			return basicGetNamespace();
		case UMLPackage.EXTEND__QUALIFIED_NAME:
			return getQualifiedName();
		case UMLPackage.EXTEND__VISIBILITY:
			return getVisibility();
		case UMLPackage.EXTEND__RELATED_ELEMENT:
			return getRelatedElements();
		case UMLPackage.EXTEND__SOURCE:
			return getSources();
		case UMLPackage.EXTEND__TARGET:
			return getTargets();
		case UMLPackage.EXTEND__CONDITION:
			if (resolve)
				return getCondition();
			return basicGetCondition();
		case UMLPackage.EXTEND__EXTENDED_CASE:
			if (resolve)
				return getExtendedCase();
			return basicGetExtendedCase();
		case UMLPackage.EXTEND__EXTENSION_LOCATION:
			return getExtensionLocations();
		case UMLPackage.EXTEND__EXTENSION:
			if (resolve)
				return getExtension();
			return basicGetExtension();
		}
		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.EXTEND__EANNOTATIONS:
			getEAnnotations().clear();
			getEAnnotations().addAll((Collection<? extends EAnnotation>) newValue);
			return;
		case UMLPackage.EXTEND__OWNED_COMMENT:
			getOwnedComments().clear();
			getOwnedComments().addAll((Collection<? extends Comment>) newValue);
			return;
		case UMLPackage.EXTEND__NAME:
			setName((String) newValue);
			return;
		case UMLPackage.EXTEND__NAME_EXPRESSION:
			setNameExpression((StringExpression) newValue);
			return;
		case UMLPackage.EXTEND__VISIBILITY:
			setVisibility((VisibilityKind) newValue);
			return;
		case UMLPackage.EXTEND__CONDITION:
			setCondition((Constraint) newValue);
			return;
		case UMLPackage.EXTEND__EXTENDED_CASE:
			setExtendedCase((UseCase) newValue);
			return;
		case UMLPackage.EXTEND__EXTENSION_LOCATION:
			getExtensionLocations().clear();
			getExtensionLocations().addAll((Collection<? extends ExtensionPoint>) newValue);
			return;
		case UMLPackage.EXTEND__EXTENSION:
			setExtension((UseCase) newValue);
			return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case UMLPackage.EXTEND__EANNOTATIONS:
			getEAnnotations().clear();
			return;
		case UMLPackage.EXTEND__OWNED_COMMENT:
			getOwnedComments().clear();
			return;
		case UMLPackage.EXTEND__NAME:
			unsetName();
			return;
		case UMLPackage.EXTEND__NAME_EXPRESSION:
			setNameExpression((StringExpression) null);
			return;
		case UMLPackage.EXTEND__VISIBILITY:
			unsetVisibility();
			return;
		case UMLPackage.EXTEND__CONDITION:
			setCondition((Constraint) null);
			return;
		case UMLPackage.EXTEND__EXTENDED_CASE:
			setExtendedCase((UseCase) null);
			return;
		case UMLPackage.EXTEND__EXTENSION_LOCATION:
			getExtensionLocations().clear();
			return;
		case UMLPackage.EXTEND__EXTENSION:
			setExtension((UseCase) null);
			return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case UMLPackage.EXTEND__EANNOTATIONS:
			return !getEAnnotations().isEmpty();
		case UMLPackage.EXTEND__OWNED_COMMENT:
			return !getOwnedComments().isEmpty();
		case UMLPackage.EXTEND__OWNED_ELEMENT:
			return isSetOwnedElements();
		case UMLPackage.EXTEND__OWNER:
			return isSetOwner();
		case UMLPackage.EXTEND__CLIENT_DEPENDENCY:
			return !getClientDependencies().isEmpty();
		case UMLPackage.EXTEND__NAME:
			return isSetName();
		case UMLPackage.EXTEND__NAME_EXPRESSION:
			return basicGetNameExpression() != null;
		case UMLPackage.EXTEND__NAMESPACE:
			return isSetNamespace();
		case UMLPackage.EXTEND__QUALIFIED_NAME:
			return QUALIFIED_NAME_EDEFAULT == null ? getQualifiedName() != null : !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
		case UMLPackage.EXTEND__VISIBILITY:
			return isSetVisibility();
		case UMLPackage.EXTEND__RELATED_ELEMENT:
			return isSetRelatedElements();
		case UMLPackage.EXTEND__SOURCE:
			return isSetSources();
		case UMLPackage.EXTEND__TARGET:
			return isSetTargets();
		case UMLPackage.EXTEND__CONDITION:
			return basicGetCondition() != null;
		case UMLPackage.EXTEND__EXTENDED_CASE:
			return basicGetExtendedCase() != null;
		case UMLPackage.EXTEND__EXTENSION_LOCATION:
			return !getExtensionLocations().isEmpty();
		case UMLPackage.EXTEND__EXTENSION:
			return basicGetExtension() != null;
		}
		return eDynamicIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eBaseStructuralFeatureID(int derivedFeatureID,
			Class<?> baseClass) {
		if (baseClass == Relationship.class) {
			switch (derivedFeatureID) {
			case UMLPackage.EXTEND__RELATED_ELEMENT:
				return UMLPackage.RELATIONSHIP__RELATED_ELEMENT;
			default:
				return -1;
			}
		}
		if (baseClass == DirectedRelationship.class) {
			switch (derivedFeatureID) {
			case UMLPackage.EXTEND__SOURCE:
				return UMLPackage.DIRECTED_RELATIONSHIP__SOURCE;
			case UMLPackage.EXTEND__TARGET:
				return UMLPackage.DIRECTED_RELATIONSHIP__TARGET;
			default:
				return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eDerivedStructuralFeatureID(int baseFeatureID,
			Class<?> baseClass) {
		if (baseClass == Relationship.class) {
			switch (baseFeatureID) {
			case UMLPackage.RELATIONSHIP__RELATED_ELEMENT:
				return UMLPackage.EXTEND__RELATED_ELEMENT;
			default:
				return -1;
			}
		}
		if (baseClass == DirectedRelationship.class) {
			switch (baseFeatureID) {
			case UMLPackage.DIRECTED_RELATIONSHIP__SOURCE:
				return UMLPackage.EXTEND__SOURCE;
			case UMLPackage.DIRECTED_RELATIONSHIP__TARGET:
				return UMLPackage.EXTEND__TARGET;
			default:
				return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	@SuppressWarnings("unchecked")
	public Object eInvoke(int operationID, EList<?> arguments)
			throws InvocationTargetException {
		switch (operationID) {
		case UMLPackage.EXTEND___GET_EANNOTATION__STRING:
			return getEAnnotation((String) arguments.get(0));
		case UMLPackage.EXTEND___VALIDATE_HAS_OWNER__DIAGNOSTICCHAIN_MAP:
			return validateHasOwner((DiagnosticChain) arguments.get(0), (Map<Object, Object>) arguments.get(1));
		case UMLPackage.EXTEND___VALIDATE_NOT_OWN_SELF__DIAGNOSTICCHAIN_MAP:
			return validateNotOwnSelf((DiagnosticChain) arguments.get(0), (Map<Object, Object>) arguments.get(1));
		case UMLPackage.EXTEND___ADD_KEYWORD__STRING:
			return addKeyword((String) arguments.get(0));
		case UMLPackage.EXTEND___APPLY_STEREOTYPE__STEREOTYPE:
			return applyStereotype((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___CREATE_EANNOTATION__STRING:
			return createEAnnotation((String) arguments.get(0));
		case UMLPackage.EXTEND___DESTROY:
			destroy();
			return null;
		case UMLPackage.EXTEND___GET_KEYWORDS:
			return getKeywords();
		case UMLPackage.EXTEND___GET_APPLICABLE_STEREOTYPE__STRING:
			return getApplicableStereotype((String) arguments.get(0));
		case UMLPackage.EXTEND___GET_APPLICABLE_STEREOTYPES:
			return getApplicableStereotypes();
		case UMLPackage.EXTEND___GET_APPLIED_STEREOTYPE__STRING:
			return getAppliedStereotype((String) arguments.get(0));
		case UMLPackage.EXTEND___GET_APPLIED_STEREOTYPES:
			return getAppliedStereotypes();
		case UMLPackage.EXTEND___GET_APPLIED_SUBSTEREOTYPE__STEREOTYPE_STRING:
			return getAppliedSubstereotype((Stereotype) arguments.get(0), (String) arguments.get(1));
		case UMLPackage.EXTEND___GET_APPLIED_SUBSTEREOTYPES__STEREOTYPE:
			return getAppliedSubstereotypes((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___GET_MODEL:
			return getModel();
		case UMLPackage.EXTEND___GET_NEAREST_PACKAGE:
			return getNearestPackage();
		case UMLPackage.EXTEND___GET_RELATIONSHIPS:
			return getRelationships();
		case UMLPackage.EXTEND___GET_RELATIONSHIPS__ECLASS:
			return getRelationships((EClass) arguments.get(0));
		case UMLPackage.EXTEND___GET_REQUIRED_STEREOTYPE__STRING:
			return getRequiredStereotype((String) arguments.get(0));
		case UMLPackage.EXTEND___GET_REQUIRED_STEREOTYPES:
			return getRequiredStereotypes();
		case UMLPackage.EXTEND___GET_SOURCE_DIRECTED_RELATIONSHIPS:
			return getSourceDirectedRelationships();
		case UMLPackage.EXTEND___GET_SOURCE_DIRECTED_RELATIONSHIPS__ECLASS:
			return getSourceDirectedRelationships((EClass) arguments.get(0));
		case UMLPackage.EXTEND___GET_STEREOTYPE_APPLICATION__STEREOTYPE:
			return getStereotypeApplication((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___GET_STEREOTYPE_APPLICATIONS:
			return getStereotypeApplications();
		case UMLPackage.EXTEND___GET_TARGET_DIRECTED_RELATIONSHIPS:
			return getTargetDirectedRelationships();
		case UMLPackage.EXTEND___GET_TARGET_DIRECTED_RELATIONSHIPS__ECLASS:
			return getTargetDirectedRelationships((EClass) arguments.get(0));
		case UMLPackage.EXTEND___GET_VALUE__STEREOTYPE_STRING:
			return getValue((Stereotype) arguments.get(0), (String) arguments.get(1));
		case UMLPackage.EXTEND___HAS_KEYWORD__STRING:
			return hasKeyword((String) arguments.get(0));
		case UMLPackage.EXTEND___HAS_VALUE__STEREOTYPE_STRING:
			return hasValue((Stereotype) arguments.get(0), (String) arguments.get(1));
		case UMLPackage.EXTEND___IS_STEREOTYPE_APPLICABLE__STEREOTYPE:
			return isStereotypeApplicable((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___IS_STEREOTYPE_APPLIED__STEREOTYPE:
			return isStereotypeApplied((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___IS_STEREOTYPE_REQUIRED__STEREOTYPE:
			return isStereotypeRequired((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___REMOVE_KEYWORD__STRING:
			return removeKeyword((String) arguments.get(0));
		case UMLPackage.EXTEND___SET_VALUE__STEREOTYPE_STRING_OBJECT:
			setValue((Stereotype) arguments.get(0), (String) arguments.get(1), arguments.get(2));
			return null;
		case UMLPackage.EXTEND___UNAPPLY_STEREOTYPE__STEREOTYPE:
			return unapplyStereotype((Stereotype) arguments.get(0));
		case UMLPackage.EXTEND___ALL_OWNED_ELEMENTS:
			return allOwnedElements();
		case UMLPackage.EXTEND___MUST_BE_OWNED:
			return mustBeOwned();
		case UMLPackage.EXTEND___VALIDATE_VISIBILITY_NEEDS_OWNERSHIP__DIAGNOSTICCHAIN_MAP:
			return validateVisibilityNeedsOwnership((DiagnosticChain) arguments.get(0), (Map<Object, Object>) arguments.get(1));
		case UMLPackage.EXTEND___VALIDATE_HAS_QUALIFIED_NAME__DIAGNOSTICCHAIN_MAP:
			return validateHasQualifiedName((DiagnosticChain) arguments.get(0), (Map<Object, Object>) arguments.get(1));
		case UMLPackage.EXTEND___VALIDATE_HAS_NO_QUALIFIED_NAME__DIAGNOSTICCHAIN_MAP:
			return validateHasNoQualifiedName((DiagnosticChain) arguments.get(0), (Map<Object, Object>) arguments.get(1));
		case UMLPackage.EXTEND___CREATE_DEPENDENCY__NAMEDELEMENT:
			return createDependency((NamedElement) arguments.get(0));
		case UMLPackage.EXTEND___CREATE_USAGE__NAMEDELEMENT:
			return createUsage((NamedElement) arguments.get(0));
		case UMLPackage.EXTEND___GET_LABEL:
			return getLabel();
		case UMLPackage.EXTEND___GET_LABEL__BOOLEAN:
			return getLabel((Boolean) arguments.get(0));
		case UMLPackage.EXTEND___GET_NAMESPACE:
			return getNamespace();
		case UMLPackage.EXTEND___ALL_NAMESPACES:
			return allNamespaces();
		case UMLPackage.EXTEND___ALL_OWNING_PACKAGES:
			return allOwningPackages();
		case UMLPackage.EXTEND___IS_DISTINGUISHABLE_FROM__NAMEDELEMENT_NAMESPACE:
			return isDistinguishableFrom((NamedElement) arguments.get(0), (Namespace) arguments.get(1));
		case UMLPackage.EXTEND___GET_QUALIFIED_NAME:
			return getQualifiedName();
		case UMLPackage.EXTEND___SEPARATOR:
			return separator();
		case UMLPackage.EXTEND___GET_CLIENT_DEPENDENCIES:
			return getClientDependencies();
		case UMLPackage.EXTEND___VALIDATE_EXTENSION_POINTS__DIAGNOSTICCHAIN_MAP:
			return validateExtensionPoints((DiagnosticChain) arguments.get(0), (Map<Object, Object>) arguments.get(1));
		}
		return eDynamicInvoke(operationID, arguments);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetRelatedElements() {
		return isSetSources()
				|| isSetTargets();
	}

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

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

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

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

	/**
	 * 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.EXTEND__OWNED_COMMENT, UMLPackage.EXTEND__NAME_EXPRESSION, UMLPackage.EXTEND__CONDITION };

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Namespace getNamespace() {
		Namespace namespace = basicGetNamespace();
		return namespace != null && namespace.eIsProxy() ? (Namespace) eResolveProxy((InternalEObject) namespace) : namespace;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Namespace basicGetNamespace() {
		UseCase extension = basicGetExtension();
		if (extension != null) {
			return extension;
		}
		return super.basicGetNamespace();
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean isSetNamespace() {
		return super.isSetNamespace()
				|| eIsSet(UMLPackage.EXTEND__EXTENSION);
	}

} //ExtendImpl