/*
 * Copyright (c) 2003, 2005 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 *
 * Contributors:
 *   IBM - Initial API and implementation
 *
 * $Id: AssociationClassImpl.java,v 1.23 2005/02/16 21:08:00 khussey Exp $
 */
package org.eclipse.uml2.impl;

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EcoreEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.uml2.Association;
import org.eclipse.uml2.AssociationClass;
import org.eclipse.uml2.Behavior;
import org.eclipse.uml2.CollaborationOccurrence;
import org.eclipse.uml2.Property;
import org.eclipse.uml2.Relationship;
import org.eclipse.uml2.StringExpression;
import org.eclipse.uml2.TemplateParameter;
import org.eclipse.uml2.TemplateSignature;
import org.eclipse.uml2.Type;
import org.eclipse.uml2.UML2Package;
import org.eclipse.uml2.VisibilityKind;
import org.eclipse.uml2.internal.operation.AssociationOperations;
import org.eclipse.uml2.internal.util.SubsetEObjectContainmentWithInverseEList;
import org.eclipse.uml2.internal.util.SupersetEObjectWithInverseResolvingEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Association Class</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.impl.AssociationClassImpl#getRelatedElements <em>Related Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.AssociationClassImpl#isDerived <em>Is Derived</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.AssociationClassImpl#getOwnedEnds <em>Owned End</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.AssociationClassImpl#getEndTypes <em>End Type</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.AssociationClassImpl#getMemberEnds <em>Member End</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class AssociationClassImpl extends ClassImpl implements AssociationClass {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static final String copyright = "Copyright (c) 2003, 2005 IBM Corporation and others."; //$NON-NLS-1$

	/**
	 * The default value of the '{@link #isDerived() <em>Is Derived</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isDerived()
	 * @generated
	 * @ordered
	 */
	protected static final boolean IS_DERIVED_EDEFAULT = false;

	/**
	 * The flag for the '{@link #isDerived() <em>Is Derived</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isDerived()
	 * @generated
	 * @ordered
	 */
	protected static final int IS_DERIVED_EFLAG = Integer.MIN_VALUE >>> 3;

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

	/**
	 * The cached value of the '{@link #getMemberEnds() <em>Member End</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getMemberEnds()
	 * @generated
	 * @ordered
	 */
	protected EList memberEnd = null;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected AssociationClassImpl() {
		super();
		eFlags &= ~IS_DERIVED_EFLAG;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EClass eStaticClass() {
		return UML2Package.eINSTANCE.getAssociationClass();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public EList getRelatedElements() {
		EList relatedElement = (EList) getCacheAdapter().get(this, UML2Package.eINSTANCE.getRelationship_RelatedElement());

		if (null == relatedElement) {
			Set union = new LinkedHashSet();
			union.addAll(getEndTypes());

			relatedElement = new EcoreEList.UnmodifiableEList(this, UML2Package.eINSTANCE.getRelationship_RelatedElement(), union.size(), union.toArray());
			getCacheAdapter().put(this, UML2Package.eINSTANCE.getRelationship_RelatedElement(), relatedElement);
		}

		return relatedElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isDerived() {
		return 0 != (eFlags & IS_DERIVED_EFLAG);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setIsDerived(boolean newIsDerived) {
		boolean oldIsDerived = 0 != (eFlags & IS_DERIVED_EFLAG);
		if (newIsDerived) {
			eFlags |= IS_DERIVED_EFLAG;
		} else {
			eFlags &= ~IS_DERIVED_EFLAG;
		}
		if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, UML2Package.ASSOCIATION_CLASS__IS_DERIVED, oldIsDerived, newIsDerived));
		}
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getOwnedEnds() {
		if (ownedEnd == null) {
			ownedEnd = new SubsetEObjectContainmentWithInverseEList(Property.class, this, UML2Package.ASSOCIATION_CLASS__OWNED_END, new int[] {UML2Package.ASSOCIATION_CLASS__MEMBER_END}, UML2Package.PROPERTY__OWNING_ASSOCIATION);
		}
		return ownedEnd;

	}

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
     */
    public Property getOwnedEnd(String unqualifiedName) {
    	for (Iterator i = getOwnedEnds().iterator(); i.hasNext(); ) {
    		Property namedOwnedEnd = (Property) i.next();
    		
    		if (unqualifiedName.equals(namedOwnedEnd.getName())) {
    			return namedOwnedEnd;
    		}
    	}
    	
    	return null;
    }
      
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property createOwnedEnd(EClass eClass) {
		Property newOwnedEnd = (Property) eClass.getEPackage().getEFactoryInstance().create(eClass);
		if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, 0, UML2Package.ASSOCIATION_CLASS__OWNED_END, null, newOwnedEnd));
		}
		getOwnedEnds().add(newOwnedEnd);
		return newOwnedEnd;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public EList getEndTypes() {
		EList endTypes = (EList) getCacheAdapter().get(this,
			UML2Package.eINSTANCE.getAssociation_EndType());

		if (null == endTypes) {
			Set endType = AssociationOperations.endType(this);

			endTypes = new EcoreEList.UnmodifiableEList(this,
				UML2Package.eINSTANCE.getAssociation_EndType(), endType.size(),
				endType.toArray());
			getCacheAdapter().put(this,
				UML2Package.eINSTANCE.getAssociation_EndType(), endTypes);
		}

		return endTypes;
	}

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
     */
    public Type getEndType(String unqualifiedName) {
    	for (Iterator i = getEndTypes().iterator(); i.hasNext(); ) {
    		Type namedEndType = (Type) i.next();
    		
    		if (unqualifiedName.equals(namedEndType.getName())) {
    			return namedEndType;
    		}
    	}
    	
    	return null;
    }
      
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getMemberEnds() {
		if (memberEnd == null) {
			memberEnd = new SupersetEObjectWithInverseResolvingEList(Property.class, this, UML2Package.ASSOCIATION_CLASS__MEMBER_END, new int[] {UML2Package.ASSOCIATION_CLASS__OWNED_END}, UML2Package.PROPERTY__ASSOCIATION);
		}
		return memberEnd;

	}

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
     */
    public Property getMemberEnd(String unqualifiedName) {
    	for (Iterator i = getMemberEnds().iterator(); i.hasNext(); ) {
    		Property namedMemberEnd = (Property) i.next();
    		
    		if (unqualifiedName.equals(namedMemberEnd.getName())) {
    			return namedMemberEnd;
    		}
    	}
    	
    	return null;
    }
      
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getFeatures() {
		EList feature = (EList) getCacheAdapter().get(this, UML2Package.eINSTANCE.getClassifier_Feature());

		if (null == feature) {
			Set union = new LinkedHashSet();
			union.addAll(super.getFeatures());
			union.addAll(getOwnedEnds());

			feature = new EcoreEList.UnmodifiableEList(this, UML2Package.eINSTANCE.getClassifier_Feature(), union.size(), union.toArray());
			getCacheAdapter().put(this, UML2Package.eINSTANCE.getClassifier_Feature(), feature);
		}

		return feature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getOwnedMembers() {
		EList result = (EList) getCacheAdapter().get(this, UML2Package.eINSTANCE.getAssociationClass().getEAllOperations().get(87));

		if (null == result) {
			Set union = new LinkedHashSet();
			union.addAll(super.getOwnedMembers());
			union.addAll(getOwnedEnds());

			result = new BasicEList.UnmodifiableEList(union.size(), union.toArray());
			getCacheAdapter().put(this, UML2Package.eINSTANCE.getAssociationClass().getEAllOperations().get(87), result);
		}

		return result;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getMembers() {
		EList member = (EList) getCacheAdapter().get(this, UML2Package.eINSTANCE.getNamespace_Member());

		if (null == member) {
			Set union = new LinkedHashSet();
			union.addAll(super.getMembers());
			union.addAll(getMemberEnds());

			member = new EcoreEList.UnmodifiableEList(this, UML2Package.eINSTANCE.getNamespace_Member(), union.size(), union.toArray());
			getCacheAdapter().put(this, UML2Package.eINSTANCE.getNamespace_Member(), member);
		}

		return member;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case UML2Package.ASSOCIATION_CLASS__EANNOTATIONS:
					return ((InternalEList)getEAnnotations()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__TEMPLATE_BINDING:
					return ((InternalEList)getTemplateBindings()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE:
					if (ownedTemplateSignature != null)
						msgs = ((InternalEObject)ownedTemplateSignature).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE, null, msgs);
					return basicSetOwnedTemplateSignature((TemplateSignature)otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__CLIENT_DEPENDENCY:
					return ((InternalEList)getClientDependencies()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_RULE:
					return ((InternalEList)getOwnedRules()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__ELEMENT_IMPORT:
					return ((InternalEList)getElementImports()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__PACKAGE_IMPORT:
					return ((InternalEList)getPackageImports()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__TEMPLATE_PARAMETER:
					if (templateParameter != null)
						msgs = ((InternalEObject)templateParameter).eInverseRemove(this, UML2Package.TEMPLATE_PARAMETER__PARAMETERED_ELEMENT, TemplateParameter.class, msgs);
					return basicSetTemplateParameter((TemplateParameter)otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
					if (eContainer != null)
						msgs = eBasicRemoveFromContainer(msgs);
					return eBasicSetContainer(otherEnd, UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER, msgs);
				case UML2Package.ASSOCIATION_CLASS__GENERALIZATION:
					return ((InternalEList)getGeneralizations()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__SUBSTITUTION:
					return ((InternalEList)getSubstitutions()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__POWERTYPE_EXTENT:
					return ((InternalEList)getPowertypeExtents()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__USE_CASE:
					return ((InternalEList)getUseCases()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_BEHAVIOR:
					return ((InternalEList)getOwnedBehaviors()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__IMPLEMENTATION:
					return ((InternalEList)getImplementations()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_STATE_MACHINE:
					return ((InternalEList)getOwnedStateMachines()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_OPERATION:
					return ((InternalEList)getOwnedOperations()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_END:
					return ((InternalEList)getOwnedEnds()).basicAdd(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__MEMBER_END:
					return ((InternalEList)getMemberEnds()).basicAdd(otherEnd, msgs);
				default:
					return eDynamicInverseAdd(otherEnd, featureID, baseClass, msgs);
			}
		}
		if (eContainer != null)
			msgs = eBasicRemoveFromContainer(msgs);
		return eBasicSetContainer(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case UML2Package.ASSOCIATION_CLASS__EANNOTATIONS:
					return ((InternalEList)getEAnnotations()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_COMMENT:
					return ((InternalEList)getOwnedComments()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__TEMPLATE_BINDING:
					return ((InternalEList)getTemplateBindings()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE:
					return basicSetOwnedTemplateSignature(null, msgs);
				case UML2Package.ASSOCIATION_CLASS__CLIENT_DEPENDENCY:
					return ((InternalEList)getClientDependencies()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__NAME_EXPRESSION:
					return basicSetNameExpression(null, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_RULE:
					return ((InternalEList)getOwnedRules()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__ELEMENT_IMPORT:
					return ((InternalEList)getElementImports()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__PACKAGE_IMPORT:
					return ((InternalEList)getPackageImports()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__TEMPLATE_PARAMETER:
					return basicSetTemplateParameter(null, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
					return eBasicSetContainer(null, UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER, msgs);
				case UML2Package.ASSOCIATION_CLASS__GENERALIZATION:
					return ((InternalEList)getGeneralizations()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__SUBSTITUTION:
					return ((InternalEList)getSubstitutions()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__POWERTYPE_EXTENT:
					return ((InternalEList)getPowertypeExtents()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_USE_CASE:
					return ((InternalEList)getOwnedUseCases()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__USE_CASE:
					return ((InternalEList)getUseCases()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OCCURRENCE:
					return ((InternalEList)getOccurrences()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_BEHAVIOR:
					return ((InternalEList)getOwnedBehaviors()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__IMPLEMENTATION:
					return ((InternalEList)getImplementations()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_TRIGGER:
					return ((InternalEList)getOwnedTriggers()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_STATE_MACHINE:
					return ((InternalEList)getOwnedStateMachines()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_ATTRIBUTE:
					return ((InternalEList)getOwnedAttributes()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_CONNECTOR:
					return ((InternalEList)getOwnedConnectors()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_PORT:
					return ((InternalEList)getOwnedPorts()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_OPERATION:
					return ((InternalEList)getOwnedOperations()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__NESTED_CLASSIFIER:
					return ((InternalEList)getNestedClassifiers()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_RECEPTION:
					return ((InternalEList)getOwnedReceptions()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__OWNED_END:
					return ((InternalEList)getOwnedEnds()).basicRemove(otherEnd, msgs);
				case UML2Package.ASSOCIATION_CLASS__MEMBER_END:
					return ((InternalEList)getMemberEnds()).basicRemove(otherEnd, msgs);
				default:
					return eDynamicInverseRemove(otherEnd, featureID, baseClass, msgs);
			}
		}
		return eBasicSetContainer(null, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eBasicRemoveFromContainer(NotificationChain msgs) {
		if (eContainerFeatureID >= 0) {
			switch (eContainerFeatureID) {
				case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
					return eContainer.eInverseRemove(this, UML2Package.TEMPLATE_PARAMETER__OWNED_PARAMETERED_ELEMENT, TemplateParameter.class, msgs);
				default:
					return eDynamicBasicRemoveFromContainer(msgs);
			}
		}
		return eContainer.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - eContainerFeatureID, null, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.ASSOCIATION_CLASS__EANNOTATIONS:
				return getEAnnotations();
			case UML2Package.ASSOCIATION_CLASS__OWNED_ELEMENT:
				return getOwnedElements();
			case UML2Package.ASSOCIATION_CLASS__OWNER:
				if (resolve) return getOwner();
				return basicGetOwner();
			case UML2Package.ASSOCIATION_CLASS__OWNED_COMMENT:
				return getOwnedComments();
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_BINDING:
				return getTemplateBindings();
			case UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE:
				return getOwnedTemplateSignature();
			case UML2Package.ASSOCIATION_CLASS__NAME:
				return getName();
			case UML2Package.ASSOCIATION_CLASS__QUALIFIED_NAME:
				return getQualifiedName();
			case UML2Package.ASSOCIATION_CLASS__VISIBILITY:
				return getVisibility();
			case UML2Package.ASSOCIATION_CLASS__CLIENT_DEPENDENCY:
				return getClientDependencies();
			case UML2Package.ASSOCIATION_CLASS__NAME_EXPRESSION:
				return getNameExpression();
			case UML2Package.ASSOCIATION_CLASS__MEMBER:
				return getMembers();
			case UML2Package.ASSOCIATION_CLASS__OWNED_RULE:
				return getOwnedRules();
			case UML2Package.ASSOCIATION_CLASS__IMPORTED_MEMBER:
				return getImportedMembers();
			case UML2Package.ASSOCIATION_CLASS__ELEMENT_IMPORT:
				return getElementImports();
			case UML2Package.ASSOCIATION_CLASS__PACKAGE_IMPORT:
				return getPackageImports();
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_PARAMETER:
				if (resolve) return getTemplateParameter();
				return basicGetTemplateParameter();
			case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
				return getOwningParameter();
			case UML2Package.ASSOCIATION_CLASS__PACKAGEABLE_ELEMENT_VISIBILITY:
				return getPackageableElement_visibility();
			case UML2Package.ASSOCIATION_CLASS__PACKAGE:
				if (resolve) return getPackage();
				return basicGetPackage();
			case UML2Package.ASSOCIATION_CLASS__REDEFINITION_CONTEXT:
				return getRedefinitionContexts();
			case UML2Package.ASSOCIATION_CLASS__IS_LEAF:
				return isLeaf() ? Boolean.TRUE : Boolean.FALSE;
			case UML2Package.ASSOCIATION_CLASS__FEATURE:
				return getFeatures();
			case UML2Package.ASSOCIATION_CLASS__IS_ABSTRACT:
				return isAbstract() ? Boolean.TRUE : Boolean.FALSE;
			case UML2Package.ASSOCIATION_CLASS__INHERITED_MEMBER:
				return getInheritedMembers();
			case UML2Package.ASSOCIATION_CLASS__GENERAL:
				return getGenerals();
			case UML2Package.ASSOCIATION_CLASS__GENERALIZATION:
				return getGeneralizations();
			case UML2Package.ASSOCIATION_CLASS__ATTRIBUTE:
				return getAttributes();
			case UML2Package.ASSOCIATION_CLASS__REDEFINED_CLASSIFIER:
				return getRedefinedClassifiers();
			case UML2Package.ASSOCIATION_CLASS__SUBSTITUTION:
				return getSubstitutions();
			case UML2Package.ASSOCIATION_CLASS__POWERTYPE_EXTENT:
				return getPowertypeExtents();
			case UML2Package.ASSOCIATION_CLASS__OWNED_USE_CASE:
				return getOwnedUseCases();
			case UML2Package.ASSOCIATION_CLASS__USE_CASE:
				return getUseCases();
			case UML2Package.ASSOCIATION_CLASS__REPRESENTATION:
				return getRepresentation();
			case UML2Package.ASSOCIATION_CLASS__OCCURRENCE:
				return getOccurrences();
			case UML2Package.ASSOCIATION_CLASS__OWNED_BEHAVIOR:
				return getOwnedBehaviors();
			case UML2Package.ASSOCIATION_CLASS__CLASSIFIER_BEHAVIOR:
				return getClassifierBehavior();
			case UML2Package.ASSOCIATION_CLASS__IMPLEMENTATION:
				return getImplementations();
			case UML2Package.ASSOCIATION_CLASS__OWNED_TRIGGER:
				return getOwnedTriggers();
			case UML2Package.ASSOCIATION_CLASS__OWNED_STATE_MACHINE:
				return getOwnedStateMachines();
			case UML2Package.ASSOCIATION_CLASS__OWNED_ATTRIBUTE:
				return getOwnedAttributes();
			case UML2Package.ASSOCIATION_CLASS__PART:
				return getParts();
			case UML2Package.ASSOCIATION_CLASS__ROLE:
				return getRoles();
			case UML2Package.ASSOCIATION_CLASS__OWNED_CONNECTOR:
				return getOwnedConnectors();
			case UML2Package.ASSOCIATION_CLASS__OWNED_PORT:
				return getOwnedPorts();
			case UML2Package.ASSOCIATION_CLASS__OWNED_OPERATION:
				return getOwnedOperations();
			case UML2Package.ASSOCIATION_CLASS__SUPER_CLASS:
				return getSuperClasses();
			case UML2Package.ASSOCIATION_CLASS__EXTENSION:
				return getExtensions();
			case UML2Package.ASSOCIATION_CLASS__NESTED_CLASSIFIER:
				return getNestedClassifiers();
			case UML2Package.ASSOCIATION_CLASS__IS_ACTIVE:
				return isActive() ? Boolean.TRUE : Boolean.FALSE;
			case UML2Package.ASSOCIATION_CLASS__OWNED_RECEPTION:
				return getOwnedReceptions();
			case UML2Package.ASSOCIATION_CLASS__RELATED_ELEMENT:
				return getRelatedElements();
			case UML2Package.ASSOCIATION_CLASS__IS_DERIVED:
				return isDerived() ? Boolean.TRUE : Boolean.FALSE;
			case UML2Package.ASSOCIATION_CLASS__OWNED_END:
				return getOwnedEnds();
			case UML2Package.ASSOCIATION_CLASS__END_TYPE:
				return getEndTypes();
			case UML2Package.ASSOCIATION_CLASS__MEMBER_END:
				return getMemberEnds();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.ASSOCIATION_CLASS__EANNOTATIONS:
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_COMMENT:
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_BINDING:
				getTemplateBindings().clear();
				getTemplateBindings().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE:
				setOwnedTemplateSignature((TemplateSignature)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__NAME:
				setName((String)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__VISIBILITY:
				setVisibility((VisibilityKind)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__CLIENT_DEPENDENCY:
				getClientDependencies().clear();
				getClientDependencies().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__NAME_EXPRESSION:
				setNameExpression((StringExpression)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_RULE:
				getOwnedRules().clear();
				getOwnedRules().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__ELEMENT_IMPORT:
				getElementImports().clear();
				getElementImports().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__PACKAGE_IMPORT:
				getPackageImports().clear();
				getPackageImports().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_PARAMETER:
				setTemplateParameter((TemplateParameter)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
				setOwningParameter((TemplateParameter)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__PACKAGEABLE_ELEMENT_VISIBILITY:
				setPackageableElement_visibility((VisibilityKind)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_LEAF:
				setIsLeaf(((Boolean)newValue).booleanValue());
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_ABSTRACT:
				setIsAbstract(((Boolean)newValue).booleanValue());
				return;
			case UML2Package.ASSOCIATION_CLASS__GENERALIZATION:
				getGeneralizations().clear();
				getGeneralizations().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__REDEFINED_CLASSIFIER:
				getRedefinedClassifiers().clear();
				getRedefinedClassifiers().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__SUBSTITUTION:
				getSubstitutions().clear();
				getSubstitutions().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__POWERTYPE_EXTENT:
				getPowertypeExtents().clear();
				getPowertypeExtents().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_USE_CASE:
				getOwnedUseCases().clear();
				getOwnedUseCases().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__USE_CASE:
				getUseCases().clear();
				getUseCases().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__REPRESENTATION:
				setRepresentation((CollaborationOccurrence)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OCCURRENCE:
				getOccurrences().clear();
				getOccurrences().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_BEHAVIOR:
				getOwnedBehaviors().clear();
				getOwnedBehaviors().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__CLASSIFIER_BEHAVIOR:
				setClassifierBehavior((Behavior)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__IMPLEMENTATION:
				getImplementations().clear();
				getImplementations().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_TRIGGER:
				getOwnedTriggers().clear();
				getOwnedTriggers().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_STATE_MACHINE:
				getOwnedStateMachines().clear();
				getOwnedStateMachines().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_ATTRIBUTE:
				getOwnedAttributes().clear();
				getOwnedAttributes().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_CONNECTOR:
				getOwnedConnectors().clear();
				getOwnedConnectors().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_PORT:
				getOwnedPorts().clear();
				getOwnedPorts().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_OPERATION:
				getOwnedOperations().clear();
				getOwnedOperations().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__NESTED_CLASSIFIER:
				getNestedClassifiers().clear();
				getNestedClassifiers().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_ACTIVE:
				setIsActive(((Boolean)newValue).booleanValue());
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_RECEPTION:
				getOwnedReceptions().clear();
				getOwnedReceptions().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_DERIVED:
				setIsDerived(((Boolean)newValue).booleanValue());
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_END:
				getOwnedEnds().clear();
				getOwnedEnds().addAll((Collection)newValue);
				return;
			case UML2Package.ASSOCIATION_CLASS__MEMBER_END:
				getMemberEnds().clear();
				getMemberEnds().addAll((Collection)newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.ASSOCIATION_CLASS__EANNOTATIONS:
				getEAnnotations().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_COMMENT:
				getOwnedComments().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_BINDING:
				getTemplateBindings().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE:
				setOwnedTemplateSignature((TemplateSignature)null);
				return;
			case UML2Package.ASSOCIATION_CLASS__NAME:
				setName(NAME_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__VISIBILITY:
				setVisibility(VISIBILITY_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__CLIENT_DEPENDENCY:
				getClientDependencies().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__NAME_EXPRESSION:
				setNameExpression((StringExpression)null);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_RULE:
				getOwnedRules().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__ELEMENT_IMPORT:
				getElementImports().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__PACKAGE_IMPORT:
				getPackageImports().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_PARAMETER:
				setTemplateParameter((TemplateParameter)null);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
				setOwningParameter((TemplateParameter)null);
				return;
			case UML2Package.ASSOCIATION_CLASS__PACKAGEABLE_ELEMENT_VISIBILITY:
				setPackageableElement_visibility(PACKAGEABLE_ELEMENT_VISIBILITY_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_LEAF:
				setIsLeaf(IS_LEAF_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_ABSTRACT:
				setIsAbstract(IS_ABSTRACT_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__GENERALIZATION:
				getGeneralizations().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__REDEFINED_CLASSIFIER:
				getRedefinedClassifiers().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__SUBSTITUTION:
				getSubstitutions().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__POWERTYPE_EXTENT:
				getPowertypeExtents().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_USE_CASE:
				getOwnedUseCases().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__USE_CASE:
				getUseCases().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__REPRESENTATION:
				setRepresentation((CollaborationOccurrence)null);
				return;
			case UML2Package.ASSOCIATION_CLASS__OCCURRENCE:
				getOccurrences().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_BEHAVIOR:
				getOwnedBehaviors().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__CLASSIFIER_BEHAVIOR:
				setClassifierBehavior((Behavior)null);
				return;
			case UML2Package.ASSOCIATION_CLASS__IMPLEMENTATION:
				getImplementations().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_TRIGGER:
				getOwnedTriggers().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_STATE_MACHINE:
				getOwnedStateMachines().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_ATTRIBUTE:
				getOwnedAttributes().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_CONNECTOR:
				getOwnedConnectors().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_PORT:
				getOwnedPorts().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_OPERATION:
				getOwnedOperations().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__NESTED_CLASSIFIER:
				getNestedClassifiers().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_ACTIVE:
				setIsActive(IS_ACTIVE_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_RECEPTION:
				getOwnedReceptions().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__IS_DERIVED:
				setIsDerived(IS_DERIVED_EDEFAULT);
				return;
			case UML2Package.ASSOCIATION_CLASS__OWNED_END:
				getOwnedEnds().clear();
				return;
			case UML2Package.ASSOCIATION_CLASS__MEMBER_END:
				getMemberEnds().clear();
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.ASSOCIATION_CLASS__EANNOTATIONS:
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_ELEMENT:
				return !getOwnedElements().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNER:
				return basicGetOwner() != null;
			case UML2Package.ASSOCIATION_CLASS__OWNED_COMMENT:
				return ownedComment != null && !ownedComment.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_BINDING:
				return templateBinding != null && !templateBinding.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_TEMPLATE_SIGNATURE:
				return ownedTemplateSignature != null;
			case UML2Package.ASSOCIATION_CLASS__NAME:
				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
			case UML2Package.ASSOCIATION_CLASS__QUALIFIED_NAME:
				return QUALIFIED_NAME_EDEFAULT == null ? getQualifiedName() != null : !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
			case UML2Package.ASSOCIATION_CLASS__VISIBILITY:
				return false;
			case UML2Package.ASSOCIATION_CLASS__CLIENT_DEPENDENCY:
				return clientDependency != null && !clientDependency.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__NAME_EXPRESSION:
				return nameExpression != null;
			case UML2Package.ASSOCIATION_CLASS__MEMBER:
				return !getMembers().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_RULE:
				return ownedRule != null && !ownedRule.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__IMPORTED_MEMBER:
				return !getImportedMembers().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__ELEMENT_IMPORT:
				return elementImport != null && !elementImport.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__PACKAGE_IMPORT:
				return packageImport != null && !packageImport.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__TEMPLATE_PARAMETER:
				return templateParameter != null;
			case UML2Package.ASSOCIATION_CLASS__OWNING_PARAMETER:
				return getOwningParameter() != null;
			case UML2Package.ASSOCIATION_CLASS__PACKAGEABLE_ELEMENT_VISIBILITY:
				return packageableElement_visibility != PACKAGEABLE_ELEMENT_VISIBILITY_EDEFAULT;
			case UML2Package.ASSOCIATION_CLASS__PACKAGE:
				return basicGetPackage() != null;
			case UML2Package.ASSOCIATION_CLASS__REDEFINITION_CONTEXT:
				return !getRedefinitionContexts().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__IS_LEAF:
				return isLeaf() != IS_LEAF_EDEFAULT;
			case UML2Package.ASSOCIATION_CLASS__FEATURE:
				return !getFeatures().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__IS_ABSTRACT:
				return isAbstract() != IS_ABSTRACT_EDEFAULT;
			case UML2Package.ASSOCIATION_CLASS__INHERITED_MEMBER:
				return !getInheritedMembers().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__GENERAL:
				return !getGenerals().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__GENERALIZATION:
				return generalization != null && !generalization.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__ATTRIBUTE:
				return !getAttributes().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__REDEFINED_CLASSIFIER:
				return redefinedClassifier != null && !redefinedClassifier.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__SUBSTITUTION:
				return substitution != null && !substitution.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__POWERTYPE_EXTENT:
				return powertypeExtent != null && !powertypeExtent.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_USE_CASE:
				return ownedUseCase != null && !ownedUseCase.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__USE_CASE:
				return useCase != null && !useCase.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__REPRESENTATION:
				return representation != null;
			case UML2Package.ASSOCIATION_CLASS__OCCURRENCE:
				return occurrence != null && !occurrence.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_BEHAVIOR:
				return ownedBehavior != null && !ownedBehavior.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__CLASSIFIER_BEHAVIOR:
				return classifierBehavior != null;
			case UML2Package.ASSOCIATION_CLASS__IMPLEMENTATION:
				return implementation != null && !implementation.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_TRIGGER:
				return ownedTrigger != null && !ownedTrigger.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_STATE_MACHINE:
				return ownedStateMachine != null && !ownedStateMachine.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_ATTRIBUTE:
				return !getOwnedAttributes().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__PART:
				return !getParts().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__ROLE:
				return !getRoles().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_CONNECTOR:
				return ownedConnector != null && !ownedConnector.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_PORT:
				return ownedPort != null && !ownedPort.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__OWNED_OPERATION:
				return ownedOperation != null && !ownedOperation.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__SUPER_CLASS:
				return !getSuperClasses().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__EXTENSION:
				return !getExtensions().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__NESTED_CLASSIFIER:
				return nestedClassifier != null && !nestedClassifier.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__IS_ACTIVE:
				return isActive() != IS_ACTIVE_EDEFAULT;
			case UML2Package.ASSOCIATION_CLASS__OWNED_RECEPTION:
				return ownedReception != null && !ownedReception.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__RELATED_ELEMENT:
				return !getRelatedElements().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__IS_DERIVED:
				return isDerived() != IS_DERIVED_EDEFAULT;
			case UML2Package.ASSOCIATION_CLASS__OWNED_END:
				return ownedEnd != null && !ownedEnd.isEmpty();
			case UML2Package.ASSOCIATION_CLASS__END_TYPE:
				return !getEndTypes().isEmpty();
			case UML2Package.ASSOCIATION_CLASS__MEMBER_END:
				return memberEnd != null && !memberEnd.isEmpty();
		}
		return eDynamicIsSet(eFeature);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class baseClass) {
		if (baseClass == Relationship.class) {
			switch (derivedFeatureID) {
				case UML2Package.ASSOCIATION_CLASS__RELATED_ELEMENT: return UML2Package.RELATIONSHIP__RELATED_ELEMENT;
				default: return -1;
			}
		}
		if (baseClass == Association.class) {
			switch (derivedFeatureID) {
				case UML2Package.ASSOCIATION_CLASS__IS_DERIVED: return UML2Package.ASSOCIATION__IS_DERIVED;
				case UML2Package.ASSOCIATION_CLASS__OWNED_END: return UML2Package.ASSOCIATION__OWNED_END;
				case UML2Package.ASSOCIATION_CLASS__END_TYPE: return UML2Package.ASSOCIATION__END_TYPE;
				case UML2Package.ASSOCIATION_CLASS__MEMBER_END: return UML2Package.ASSOCIATION__MEMBER_END;
				default: return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int eDerivedStructuralFeatureID(int baseFeatureID, Class baseClass) {
		if (baseClass == Relationship.class) {
			switch (baseFeatureID) {
				case UML2Package.RELATIONSHIP__RELATED_ELEMENT: return UML2Package.ASSOCIATION_CLASS__RELATED_ELEMENT;
				default: return -1;
			}
		}
		if (baseClass == Association.class) {
			switch (baseFeatureID) {
				case UML2Package.ASSOCIATION__IS_DERIVED: return UML2Package.ASSOCIATION_CLASS__IS_DERIVED;
				case UML2Package.ASSOCIATION__OWNED_END: return UML2Package.ASSOCIATION_CLASS__OWNED_END;
				case UML2Package.ASSOCIATION__END_TYPE: return UML2Package.ASSOCIATION_CLASS__END_TYPE;
				case UML2Package.ASSOCIATION__MEMBER_END: return UML2Package.ASSOCIATION_CLASS__MEMBER_END;
				default: return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

	// <!-- begin-custom-operations -->

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.uml2.Association#isBinary()
	 */
	public boolean isBinary() {
		return AssociationOperations.isBinary(this);
	}
	
	// <!-- end-custom-operations -->

} //AssociationClassImpl