/*
 * Copyright (c) 2005 IBM Corporation 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
 *
 * $Id: AssociationImpl.java,v 1.2 2005/11/16 19:03:04 khussey Exp $
 */
package org.eclipse.uml2.uml.internal.impl;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;
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.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.InternalEList;

import org.eclipse.uml2.common.util.CacheAdapter;
import org.eclipse.uml2.common.util.DerivedUnionEObjectEList;
import org.eclipse.uml2.common.util.SubsetEObjectEList;
import org.eclipse.uml2.common.util.SupersetEObjectContainmentWithInverseEList;
import org.eclipse.uml2.common.util.SupersetEObjectWithInverseResolvingEList;

import org.eclipse.uml2.uml.Association;
import org.eclipse.uml2.uml.CollaborationUse;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Feature;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.RedefinableTemplateSignature;
import org.eclipse.uml2.uml.Relationship;
import org.eclipse.uml2.uml.StringExpression;
import org.eclipse.uml2.uml.TemplateParameter;
import org.eclipse.uml2.uml.TemplateSignature;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLFactory;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.VisibilityKind;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Association</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getRelatedElements <em>Related Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getMembers <em>Member</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getFeatures <em>Feature</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getOwnedMembers <em>Owned Member</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getMemberEnds <em>Member End</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getOwnedEnds <em>Owned End</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#isDerived <em>Is Derived</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getEndTypes <em>End Type</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.AssociationImpl#getNavigableOwnedEnds <em>Navigable Owned End</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class AssociationImpl
		extends ClassifierImpl
		implements Association {

	/**
	 * 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 representing the value of 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 = 1 << 10;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getRelatedElements() {
		List relatedElement = (List) eVirtualGet(UMLPackage.ASSOCIATION__RELATED_ELEMENT);
		if (relatedElement == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__RELATED_ELEMENT,
				relatedElement = new DerivedUnionEObjectEList(Element.class,
					this, UMLPackage.ASSOCIATION__RELATED_ELEMENT,
					new EStructuralFeature[]{UMLPackage.eINSTANCE
						.getAssociation_EndType()}));
		}
		return relatedElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getMembers() {
		List member = (List) eVirtualGet(UMLPackage.ASSOCIATION__MEMBER);
		if (member == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__MEMBER,
				member = new DerivedUnionEObjectEList(NamedElement.class, this,
					UMLPackage.ASSOCIATION__MEMBER, new EStructuralFeature[]{
						UMLPackage.eINSTANCE.getNamespace_ImportedMember(),
						UMLPackage.eINSTANCE.getNamespace_OwnedMember(),
						UMLPackage.eINSTANCE.getClassifier_Feature(),
						UMLPackage.eINSTANCE.getClassifier_InheritedMember(),
						UMLPackage.eINSTANCE.getAssociation_MemberEnd()}));
		}
		return member;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getFeatures() {
		List feature = (List) eVirtualGet(UMLPackage.ASSOCIATION__FEATURE);
		if (feature == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__FEATURE,
				feature = new DerivedUnionEObjectEList(Feature.class, this,
					UMLPackage.ASSOCIATION__FEATURE, new EStructuralFeature[]{
						UMLPackage.eINSTANCE.getClassifier_Attribute(),
						UMLPackage.eINSTANCE.getAssociation_OwnedEnd()}));
		}
		return feature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getOwnedMembers() {
		List ownedMember = (List) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_MEMBER);
		if (ownedMember == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__OWNED_MEMBER,
				ownedMember = new DerivedUnionEObjectEList(NamedElement.class,
					this, UMLPackage.ASSOCIATION__OWNED_MEMBER,
					new EStructuralFeature[]{
						UMLPackage.eINSTANCE.getNamespace_OwnedRule(),
						UMLPackage.eINSTANCE.getClassifier_OwnedUseCase(),
						UMLPackage.eINSTANCE.getAssociation_OwnedEnd()}));
		}
		return ownedMember;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getMemberEnds() {
		List memberEnd = (List) eVirtualGet(UMLPackage.ASSOCIATION__MEMBER_END);
		if (memberEnd == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__MEMBER_END,
				memberEnd = new SupersetEObjectWithInverseResolvingEList(
					Property.class, this, UMLPackage.ASSOCIATION__MEMBER_END,
					new int[]{UMLPackage.ASSOCIATION__OWNED_END},
					UMLPackage.PROPERTY__ASSOCIATION));
		}
		return memberEnd;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property getMemberEnd(String name) {
		for (Iterator i = getMemberEnds().iterator(); i.hasNext();) {
			Property memberEnd = (Property) i.next();
			if (name.equals(memberEnd.getName())) {
				return memberEnd;
			}
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getOwnedEnds() {
		List ownedEnd = (List) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_END);
		if (ownedEnd == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__OWNED_END,
				ownedEnd = new SupersetEObjectContainmentWithInverseEList(
					Property.class, this, UMLPackage.ASSOCIATION__OWNED_END,
					new int[]{UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END},
					UMLPackage.PROPERTY__OWNING_ASSOCIATION));
		}
		return ownedEnd;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property createOwnedEnd(EClass eClass) {
		Property newOwnedEnd = (Property) eClass.getEPackage()
			.getEFactoryInstance().create(eClass);
		getOwnedEnds().add(newOwnedEnd);
		return newOwnedEnd;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property createOwnedEnd() {
		Property newOwnedEnd = UMLFactory.eINSTANCE.createProperty();
		getOwnedEnds().add(newOwnedEnd);
		return newOwnedEnd;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property getOwnedEnd(String name) {
		for (Iterator i = getOwnedEnds().iterator(); i.hasNext();) {
			Property ownedEnd = (Property) i.next();
			if (name.equals(ownedEnd.getName())) {
				return ownedEnd;
			}
		}
		return null;
	}

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

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

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getEndTypes() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			List result = (List) cache.get(this, UMLPackage.eINSTANCE
				.getAssociation_EndType());
			if (result == null) {
				cache.put(this, UMLPackage.eINSTANCE.getAssociation_EndType(),
					result = AssociationOperations.getEndTypes(this));
			}
			return result;
		}
		return AssociationOperations.getEndTypes(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Type getEndType(String name) {
		for (Iterator i = getEndTypes().iterator(); i.hasNext();) {
			Type endType = (Type) i.next();
			if (name.equals(endType.getName())) {
				return endType;
			}
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getNavigableOwnedEnds() {
		List navigableOwnedEnd = (List) eVirtualGet(UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END);
		if (navigableOwnedEnd == null) {
			eVirtualSet(UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END,
				navigableOwnedEnd = new SubsetEObjectEList(Property.class,
					this, UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END,
					new int[]{UMLPackage.ASSOCIATION__OWNED_END}));
		}
		return navigableOwnedEnd;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property getNavigableOwnedEnd(String name) {
		for (Iterator i = getNavigableOwnedEnds().iterator(); i.hasNext();) {
			Property navigableOwnedEnd = (Property) i.next();
			if (name.equals(navigableOwnedEnd.getName())) {
				return navigableOwnedEnd;
			}
		}
		return null;
	}

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

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

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

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

	/**
	 * <!-- 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 UMLPackage.ASSOCIATION__EANNOTATIONS :
					return ((InternalEList) getEAnnotations()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY :
					return ((InternalEList) getClientDependencies()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__ELEMENT_IMPORT :
					return ((InternalEList) getElementImports()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__PACKAGE_IMPORT :
					return ((InternalEList) getPackageImports()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_RULE :
					return ((InternalEList) getOwnedRules()).basicAdd(otherEnd,
						msgs);
				case UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER :
					TemplateParameter templateParameter = (TemplateParameter) eVirtualGet(UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER);
					if (templateParameter != null)
						msgs = ((InternalEObject) templateParameter)
							.eInverseRemove(
								this,
								UMLPackage.TEMPLATE_PARAMETER__PARAMETERED_ELEMENT,
								TemplateParameter.class, msgs);
					return basicSetTemplateParameter(
						(TemplateParameter) otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER :
					if (eContainer != null)
						msgs = eBasicRemoveFromContainer(msgs);
					return eBasicSetContainer(otherEnd,
						UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER, msgs);
				case UMLPackage.ASSOCIATION__TEMPLATE_BINDING :
					return ((InternalEList) getTemplateBindings()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE :
					TemplateSignature ownedTemplateSignature = (TemplateSignature) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE);
					if (ownedTemplateSignature != null)
						msgs = ((InternalEObject) ownedTemplateSignature)
							.eInverseRemove(
								this,
								EOPPOSITE_FEATURE_BASE
									- UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE,
								null, msgs);
					return basicSetOwnedTemplateSignature(
						(TemplateSignature) otherEnd, msgs);
				case UMLPackage.ASSOCIATION__GENERALIZATION :
					return ((InternalEList) getGeneralizations()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__POWERTYPE_EXTENT :
					return ((InternalEList) getPowertypeExtents()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__USE_CASE :
					return ((InternalEList) getUseCases()).basicAdd(otherEnd,
						msgs);
				case UMLPackage.ASSOCIATION__SUBSTITUTION :
					return ((InternalEList) getSubstitutions()).basicAdd(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_SIGNATURE :
					RedefinableTemplateSignature ownedSignature = (RedefinableTemplateSignature) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_SIGNATURE);
					if (ownedSignature != null)
						msgs = ((InternalEObject) ownedSignature)
							.eInverseRemove(this, EOPPOSITE_FEATURE_BASE
								- UMLPackage.ASSOCIATION__OWNED_SIGNATURE,
								null, msgs);
					return basicSetOwnedSignature(
						(RedefinableTemplateSignature) otherEnd, msgs);
				case UMLPackage.ASSOCIATION__MEMBER_END :
					return ((InternalEList) getMemberEnds()).basicAdd(otherEnd,
						msgs);
				case UMLPackage.ASSOCIATION__OWNED_END :
					return ((InternalEList) getOwnedEnds()).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 UMLPackage.ASSOCIATION__EANNOTATIONS :
					return ((InternalEList) getEAnnotations()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_COMMENT :
					return ((InternalEList) getOwnedComments()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY :
					return ((InternalEList) getClientDependencies())
						.basicRemove(otherEnd, msgs);
				case UMLPackage.ASSOCIATION__NAME_EXPRESSION :
					return basicSetNameExpression(null, msgs);
				case UMLPackage.ASSOCIATION__ELEMENT_IMPORT :
					return ((InternalEList) getElementImports()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__PACKAGE_IMPORT :
					return ((InternalEList) getPackageImports()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_RULE :
					return ((InternalEList) getOwnedRules()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER :
					return basicSetTemplateParameter(null, msgs);
				case UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER :
					return eBasicSetContainer(null,
						UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER, msgs);
				case UMLPackage.ASSOCIATION__TEMPLATE_BINDING :
					return ((InternalEList) getTemplateBindings()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE :
					return basicSetOwnedTemplateSignature(null, msgs);
				case UMLPackage.ASSOCIATION__GENERALIZATION :
					return ((InternalEList) getGeneralizations()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__POWERTYPE_EXTENT :
					return ((InternalEList) getPowertypeExtents()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_USE_CASE :
					return ((InternalEList) getOwnedUseCases()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__USE_CASE :
					return ((InternalEList) getUseCases()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__SUBSTITUTION :
					return ((InternalEList) getSubstitutions()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__COLLABORATION_USE :
					return ((InternalEList) getCollaborationUses())
						.basicRemove(otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_SIGNATURE :
					return basicSetOwnedSignature(null, msgs);
				case UMLPackage.ASSOCIATION__MEMBER_END :
					return ((InternalEList) getMemberEnds()).basicRemove(
						otherEnd, msgs);
				case UMLPackage.ASSOCIATION__OWNED_END :
					return ((InternalEList) getOwnedEnds()).basicRemove(
						otherEnd, msgs);
				default :
					return eDynamicInverseRemove(otherEnd, featureID,
						baseClass, msgs);
			}
		}
		return eBasicSetContainer(null, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UMLPackage.ASSOCIATION__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.ASSOCIATION__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.ASSOCIATION__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.ASSOCIATION__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.ASSOCIATION__NAME :
				return getName();
			case UMLPackage.ASSOCIATION__VISIBILITY :
				return getVisibility();
			case UMLPackage.ASSOCIATION__QUALIFIED_NAME :
				return getQualifiedName();
			case UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY :
				return getClientDependencies();
			case UMLPackage.ASSOCIATION__NAMESPACE :
				if (resolve)
					return getNamespace();
				return basicGetNamespace();
			case UMLPackage.ASSOCIATION__NAME_EXPRESSION :
				return getNameExpression();
			case UMLPackage.ASSOCIATION__ELEMENT_IMPORT :
				return getElementImports();
			case UMLPackage.ASSOCIATION__PACKAGE_IMPORT :
				return getPackageImports();
			case UMLPackage.ASSOCIATION__OWNED_RULE :
				return getOwnedRules();
			case UMLPackage.ASSOCIATION__MEMBER :
				return getMembers();
			case UMLPackage.ASSOCIATION__IMPORTED_MEMBER :
				return getImportedMembers();
			case UMLPackage.ASSOCIATION__OWNED_MEMBER :
				return getOwnedMembers();
			case UMLPackage.ASSOCIATION__IS_LEAF :
				return isLeaf()
					? Boolean.TRUE
					: Boolean.FALSE;
			case UMLPackage.ASSOCIATION__REDEFINED_ELEMENT :
				return getRedefinedElements();
			case UMLPackage.ASSOCIATION__REDEFINITION_CONTEXT :
				return getRedefinitionContexts();
			case UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER :
				if (resolve)
					return getTemplateParameter();
				return basicGetTemplateParameter();
			case UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER :
				return getOwningTemplateParameter();
			case UMLPackage.ASSOCIATION__PACKAGE :
				return getPackage();
			case UMLPackage.ASSOCIATION__TEMPLATE_BINDING :
				return getTemplateBindings();
			case UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE :
				return getOwnedTemplateSignature();
			case UMLPackage.ASSOCIATION__IS_ABSTRACT :
				return isAbstract()
					? Boolean.TRUE
					: Boolean.FALSE;
			case UMLPackage.ASSOCIATION__GENERALIZATION :
				return getGeneralizations();
			case UMLPackage.ASSOCIATION__POWERTYPE_EXTENT :
				return getPowertypeExtents();
			case UMLPackage.ASSOCIATION__FEATURE :
				return getFeatures();
			case UMLPackage.ASSOCIATION__INHERITED_MEMBER :
				return getInheritedMembers();
			case UMLPackage.ASSOCIATION__REDEFINED_CLASSIFIER :
				return getRedefinedClassifiers();
			case UMLPackage.ASSOCIATION__GENERAL :
				return getGenerals();
			case UMLPackage.ASSOCIATION__OWNED_USE_CASE :
				return getOwnedUseCases();
			case UMLPackage.ASSOCIATION__USE_CASE :
				return getUseCases();
			case UMLPackage.ASSOCIATION__SUBSTITUTION :
				return getSubstitutions();
			case UMLPackage.ASSOCIATION__ATTRIBUTE :
				return getAttributes();
			case UMLPackage.ASSOCIATION__REPRESENTATION :
				return getRepresentation();
			case UMLPackage.ASSOCIATION__COLLABORATION_USE :
				return getCollaborationUses();
			case UMLPackage.ASSOCIATION__OWNED_SIGNATURE :
				return getOwnedSignature();
			case UMLPackage.ASSOCIATION__RELATED_ELEMENT :
				return getRelatedElements();
			case UMLPackage.ASSOCIATION__IS_DERIVED :
				return isDerived()
					? Boolean.TRUE
					: Boolean.FALSE;
			case UMLPackage.ASSOCIATION__END_TYPE :
				return getEndTypes();
			case UMLPackage.ASSOCIATION__MEMBER_END :
				return getMemberEnds();
			case UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END :
				return getNavigableOwnedEnds();
			case UMLPackage.ASSOCIATION__OWNED_END :
				return getOwnedEnds();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UMLPackage.ASSOCIATION__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__NAME :
				setName((String) newValue);
				return;
			case UMLPackage.ASSOCIATION__VISIBILITY :
				setVisibility((VisibilityKind) newValue);
				return;
			case UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				getClientDependencies().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__NAME_EXPRESSION :
				setNameExpression((StringExpression) newValue);
				return;
			case UMLPackage.ASSOCIATION__ELEMENT_IMPORT :
				getElementImports().clear();
				getElementImports().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__PACKAGE_IMPORT :
				getPackageImports().clear();
				getPackageImports().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNED_RULE :
				getOwnedRules().clear();
				getOwnedRules().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__IS_LEAF :
				setIsLeaf(((Boolean) newValue).booleanValue());
				return;
			case UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER :
				setTemplateParameter((TemplateParameter) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER :
				setOwningTemplateParameter((TemplateParameter) newValue);
				return;
			case UMLPackage.ASSOCIATION__PACKAGE :
				setPackage((org.eclipse.uml2.uml.Package) newValue);
				return;
			case UMLPackage.ASSOCIATION__TEMPLATE_BINDING :
				getTemplateBindings().clear();
				getTemplateBindings().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE :
				setOwnedTemplateSignature((TemplateSignature) newValue);
				return;
			case UMLPackage.ASSOCIATION__IS_ABSTRACT :
				setIsAbstract(((Boolean) newValue).booleanValue());
				return;
			case UMLPackage.ASSOCIATION__GENERALIZATION :
				getGeneralizations().clear();
				getGeneralizations().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__POWERTYPE_EXTENT :
				getPowertypeExtents().clear();
				getPowertypeExtents().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__INHERITED_MEMBER :
				getInheritedMembers().clear();
				getInheritedMembers().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__REDEFINED_CLASSIFIER :
				getRedefinedClassifiers().clear();
				getRedefinedClassifiers().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__GENERAL :
				getGenerals().clear();
				getGenerals().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNED_USE_CASE :
				getOwnedUseCases().clear();
				getOwnedUseCases().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__USE_CASE :
				getUseCases().clear();
				getUseCases().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__SUBSTITUTION :
				getSubstitutions().clear();
				getSubstitutions().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__REPRESENTATION :
				setRepresentation((CollaborationUse) newValue);
				return;
			case UMLPackage.ASSOCIATION__COLLABORATION_USE :
				getCollaborationUses().clear();
				getCollaborationUses().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNED_SIGNATURE :
				setOwnedSignature((RedefinableTemplateSignature) newValue);
				return;
			case UMLPackage.ASSOCIATION__IS_DERIVED :
				setIsDerived(((Boolean) newValue).booleanValue());
				return;
			case UMLPackage.ASSOCIATION__MEMBER_END :
				getMemberEnds().clear();
				getMemberEnds().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END :
				getNavigableOwnedEnds().clear();
				getNavigableOwnedEnds().addAll((Collection) newValue);
				return;
			case UMLPackage.ASSOCIATION__OWNED_END :
				getOwnedEnds().clear();
				getOwnedEnds().addAll((Collection) newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UMLPackage.ASSOCIATION__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.ASSOCIATION__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.ASSOCIATION__NAME :
				setName(NAME_EDEFAULT);
				return;
			case UMLPackage.ASSOCIATION__VISIBILITY :
				setVisibility(VISIBILITY_EDEFAULT);
				return;
			case UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				return;
			case UMLPackage.ASSOCIATION__NAME_EXPRESSION :
				setNameExpression((StringExpression) null);
				return;
			case UMLPackage.ASSOCIATION__ELEMENT_IMPORT :
				getElementImports().clear();
				return;
			case UMLPackage.ASSOCIATION__PACKAGE_IMPORT :
				getPackageImports().clear();
				return;
			case UMLPackage.ASSOCIATION__OWNED_RULE :
				getOwnedRules().clear();
				return;
			case UMLPackage.ASSOCIATION__IS_LEAF :
				setIsLeaf(IS_LEAF_EDEFAULT);
				return;
			case UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER :
				setTemplateParameter((TemplateParameter) null);
				return;
			case UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER :
				setOwningTemplateParameter((TemplateParameter) null);
				return;
			case UMLPackage.ASSOCIATION__PACKAGE :
				setPackage((org.eclipse.uml2.uml.Package) null);
				return;
			case UMLPackage.ASSOCIATION__TEMPLATE_BINDING :
				getTemplateBindings().clear();
				return;
			case UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE :
				setOwnedTemplateSignature((TemplateSignature) null);
				return;
			case UMLPackage.ASSOCIATION__IS_ABSTRACT :
				setIsAbstract(IS_ABSTRACT_EDEFAULT);
				return;
			case UMLPackage.ASSOCIATION__GENERALIZATION :
				getGeneralizations().clear();
				return;
			case UMLPackage.ASSOCIATION__POWERTYPE_EXTENT :
				getPowertypeExtents().clear();
				return;
			case UMLPackage.ASSOCIATION__INHERITED_MEMBER :
				getInheritedMembers().clear();
				return;
			case UMLPackage.ASSOCIATION__REDEFINED_CLASSIFIER :
				getRedefinedClassifiers().clear();
				return;
			case UMLPackage.ASSOCIATION__GENERAL :
				getGenerals().clear();
				return;
			case UMLPackage.ASSOCIATION__OWNED_USE_CASE :
				getOwnedUseCases().clear();
				return;
			case UMLPackage.ASSOCIATION__USE_CASE :
				getUseCases().clear();
				return;
			case UMLPackage.ASSOCIATION__SUBSTITUTION :
				getSubstitutions().clear();
				return;
			case UMLPackage.ASSOCIATION__REPRESENTATION :
				setRepresentation((CollaborationUse) null);
				return;
			case UMLPackage.ASSOCIATION__COLLABORATION_USE :
				getCollaborationUses().clear();
				return;
			case UMLPackage.ASSOCIATION__OWNED_SIGNATURE :
				setOwnedSignature((RedefinableTemplateSignature) null);
				return;
			case UMLPackage.ASSOCIATION__IS_DERIVED :
				setIsDerived(IS_DERIVED_EDEFAULT);
				return;
			case UMLPackage.ASSOCIATION__MEMBER_END :
				getMemberEnds().clear();
				return;
			case UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END :
				getNavigableOwnedEnds().clear();
				return;
			case UMLPackage.ASSOCIATION__OWNED_END :
				getOwnedEnds().clear();
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UMLPackage.ASSOCIATION__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.ASSOCIATION__OWNER :
				return isSetOwner();
			case UMLPackage.ASSOCIATION__OWNED_COMMENT :
				List ownedComment = (List) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_COMMENT);
				return ownedComment != null && !ownedComment.isEmpty();
			case UMLPackage.ASSOCIATION__NAME :
				String name = eVirtualIsSet(UMLPackage.ASSOCIATION__NAME)
					? (String) eVirtualGet(UMLPackage.ASSOCIATION__NAME)
					: NAME_EDEFAULT;
				return NAME_EDEFAULT == null
					? name != null
					: !NAME_EDEFAULT.equals(name);
			case UMLPackage.ASSOCIATION__VISIBILITY :
				return eVirtualIsSet(UMLPackage.ASSOCIATION__VISIBILITY)
					&& eVirtualGet(UMLPackage.ASSOCIATION__VISIBILITY) != VISIBILITY_EDEFAULT;
			case UMLPackage.ASSOCIATION__QUALIFIED_NAME :
				return QUALIFIED_NAME_EDEFAULT == null
					? getQualifiedName() != null
					: !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
			case UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY :
				List clientDependency = (List) eVirtualGet(UMLPackage.ASSOCIATION__CLIENT_DEPENDENCY);
				return clientDependency != null && !clientDependency.isEmpty();
			case UMLPackage.ASSOCIATION__NAMESPACE :
				return isSetNamespace();
			case UMLPackage.ASSOCIATION__NAME_EXPRESSION :
				return eVirtualGet(UMLPackage.ASSOCIATION__NAME_EXPRESSION) != null;
			case UMLPackage.ASSOCIATION__ELEMENT_IMPORT :
				List elementImport = (List) eVirtualGet(UMLPackage.ASSOCIATION__ELEMENT_IMPORT);
				return elementImport != null && !elementImport.isEmpty();
			case UMLPackage.ASSOCIATION__PACKAGE_IMPORT :
				List packageImport = (List) eVirtualGet(UMLPackage.ASSOCIATION__PACKAGE_IMPORT);
				return packageImport != null && !packageImport.isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_RULE :
				List ownedRule = (List) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_RULE);
				return ownedRule != null && !ownedRule.isEmpty();
			case UMLPackage.ASSOCIATION__MEMBER :
				return isSetMembers();
			case UMLPackage.ASSOCIATION__IMPORTED_MEMBER :
				return !getImportedMembers().isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_MEMBER :
				return isSetOwnedMembers();
			case UMLPackage.ASSOCIATION__IS_LEAF :
				return ((eFlags & IS_LEAF_EFLAG) != 0) != IS_LEAF_EDEFAULT;
			case UMLPackage.ASSOCIATION__REDEFINED_ELEMENT :
				return isSetRedefinedElements();
			case UMLPackage.ASSOCIATION__REDEFINITION_CONTEXT :
				return isSetRedefinitionContexts();
			case UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER :
				return eVirtualGet(UMLPackage.ASSOCIATION__TEMPLATE_PARAMETER) != null;
			case UMLPackage.ASSOCIATION__OWNING_TEMPLATE_PARAMETER :
				return getOwningTemplateParameter() != null;
			case UMLPackage.ASSOCIATION__PACKAGE :
				return getPackage() != null;
			case UMLPackage.ASSOCIATION__TEMPLATE_BINDING :
				List templateBinding = (List) eVirtualGet(UMLPackage.ASSOCIATION__TEMPLATE_BINDING);
				return templateBinding != null && !templateBinding.isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE :
				return eVirtualGet(UMLPackage.ASSOCIATION__OWNED_TEMPLATE_SIGNATURE) != null;
			case UMLPackage.ASSOCIATION__IS_ABSTRACT :
				return ((eFlags & IS_ABSTRACT_EFLAG) != 0) != IS_ABSTRACT_EDEFAULT;
			case UMLPackage.ASSOCIATION__GENERALIZATION :
				List generalization = (List) eVirtualGet(UMLPackage.ASSOCIATION__GENERALIZATION);
				return generalization != null && !generalization.isEmpty();
			case UMLPackage.ASSOCIATION__POWERTYPE_EXTENT :
				List powertypeExtent = (List) eVirtualGet(UMLPackage.ASSOCIATION__POWERTYPE_EXTENT);
				return powertypeExtent != null && !powertypeExtent.isEmpty();
			case UMLPackage.ASSOCIATION__FEATURE :
				return isSetFeatures();
			case UMLPackage.ASSOCIATION__INHERITED_MEMBER :
				return !getInheritedMembers().isEmpty();
			case UMLPackage.ASSOCIATION__REDEFINED_CLASSIFIER :
				List redefinedClassifier = (List) eVirtualGet(UMLPackage.ASSOCIATION__REDEFINED_CLASSIFIER);
				return redefinedClassifier != null
					&& !redefinedClassifier.isEmpty();
			case UMLPackage.ASSOCIATION__GENERAL :
				return !getGenerals().isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_USE_CASE :
				List ownedUseCase = (List) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_USE_CASE);
				return ownedUseCase != null && !ownedUseCase.isEmpty();
			case UMLPackage.ASSOCIATION__USE_CASE :
				List useCase = (List) eVirtualGet(UMLPackage.ASSOCIATION__USE_CASE);
				return useCase != null && !useCase.isEmpty();
			case UMLPackage.ASSOCIATION__SUBSTITUTION :
				List substitution = (List) eVirtualGet(UMLPackage.ASSOCIATION__SUBSTITUTION);
				return substitution != null && !substitution.isEmpty();
			case UMLPackage.ASSOCIATION__ATTRIBUTE :
				return isSetAttributes();
			case UMLPackage.ASSOCIATION__REPRESENTATION :
				return eVirtualGet(UMLPackage.ASSOCIATION__REPRESENTATION) != null;
			case UMLPackage.ASSOCIATION__COLLABORATION_USE :
				List collaborationUse = (List) eVirtualGet(UMLPackage.ASSOCIATION__COLLABORATION_USE);
				return collaborationUse != null && !collaborationUse.isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_SIGNATURE :
				return eVirtualGet(UMLPackage.ASSOCIATION__OWNED_SIGNATURE) != null;
			case UMLPackage.ASSOCIATION__RELATED_ELEMENT :
				return isSetRelatedElements();
			case UMLPackage.ASSOCIATION__IS_DERIVED :
				return ((eFlags & IS_DERIVED_EFLAG) != 0) != IS_DERIVED_EDEFAULT;
			case UMLPackage.ASSOCIATION__END_TYPE :
				return !getEndTypes().isEmpty();
			case UMLPackage.ASSOCIATION__MEMBER_END :
				List memberEnd = (List) eVirtualGet(UMLPackage.ASSOCIATION__MEMBER_END);
				return memberEnd != null && !memberEnd.isEmpty();
			case UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END :
				List navigableOwnedEnd = (List) eVirtualGet(UMLPackage.ASSOCIATION__NAVIGABLE_OWNED_END);
				return navigableOwnedEnd != null
					&& !navigableOwnedEnd.isEmpty();
			case UMLPackage.ASSOCIATION__OWNED_END :
				List ownedEnd = (List) eVirtualGet(UMLPackage.ASSOCIATION__OWNED_END);
				return ownedEnd != null && !ownedEnd.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 UMLPackage.ASSOCIATION__RELATED_ELEMENT :
					return UMLPackage.RELATIONSHIP__RELATED_ELEMENT;
				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 UMLPackage.RELATIONSHIP__RELATED_ELEMENT :
					return UMLPackage.ASSOCIATION__RELATED_ELEMENT;
				default :
					return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String toString() {
		if (eIsProxy())
			return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (isDerived: "); //$NON-NLS-1$
		result.append((eFlags & IS_DERIVED_EFLAG) != 0);
		result.append(')');
		return result.toString();
	}

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

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

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

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

} //AssociationImpl