//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 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 Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.uma.impl;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.epf.uma.Activity;
import org.eclipse.epf.uma.BreakdownElement;
import org.eclipse.epf.uma.Checklist;
import org.eclipse.epf.uma.Concept;
import org.eclipse.epf.uma.Constraint;
import org.eclipse.epf.uma.Example;
import org.eclipse.epf.uma.Guideline;
import org.eclipse.epf.uma.ReusableAsset;
import org.eclipse.epf.uma.Roadmap;
import org.eclipse.epf.uma.SupportingMaterial;
import org.eclipse.epf.uma.UmaPackage;
import org.eclipse.epf.uma.VariabilityElement;
import org.eclipse.epf.uma.VariabilityType;
import org.eclipse.epf.uma.WorkDefinition;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Activity</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getVariabilityType <em>Variability Type</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getVariabilityBasedOnElement <em>Variability Based On Element</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getPrecondition <em>Precondition</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getPostcondition <em>Postcondition</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getBreakdownElements <em>Breakdown Elements</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getRoadmaps <em>Roadmaps</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getSupportingMaterials <em>Supporting Materials</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getChecklists <em>Checklists</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getConcepts <em>Concepts</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getExamples <em>Examples</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getGuidelines <em>Guidelines</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getReusableAssets <em>Reusable Assets</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.ActivityImpl#getIsEnactable <em>Is Enactable</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ActivityImpl extends WorkBreakdownElementImpl implements Activity {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private static final long serialVersionUID = 1L;

	/**
	 * The default value of the '{@link #getVariabilityType() <em>Variability Type</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariabilityType()
	 * @generated
	 * @ordered
	 */
	protected static final VariabilityType VARIABILITY_TYPE_EDEFAULT = VariabilityType.NA_LITERAL;

	/**
	 * The cached value of the '{@link #getVariabilityType() <em>Variability Type</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariabilityType()
	 * @generated
	 * @ordered
	 */
	protected VariabilityType variabilityType = VARIABILITY_TYPE_EDEFAULT;

	/**
	 * The cached value of the '{@link #getVariabilityBasedOnElement() <em>Variability Based On Element</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariabilityBasedOnElement()
	 * @generated
	 * @ordered
	 */
	protected VariabilityElement variabilityBasedOnElement = null;

	/**
	 * The cached value of the '{@link #getPrecondition() <em>Precondition</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getPrecondition()
	 * @generated
	 * @ordered
	 */
	protected Constraint precondition = null;

	/**
	 * The cached value of the '{@link #getPostcondition() <em>Postcondition</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getPostcondition()
	 * @generated
	 * @ordered
	 */
	protected Constraint postcondition = null;

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

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

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

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

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

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

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

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

	/**
	 * The default value of the '{@link #getIsEnactable() <em>Is Enactable</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getIsEnactable()
	 * @generated
	 * @ordered
	 */
	protected static final Boolean IS_ENACTABLE_EDEFAULT = Boolean.FALSE;

	/**
	 * The cached value of the '{@link #getIsEnactable() <em>Is Enactable</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getIsEnactable()
	 * @generated
	 * @ordered
	 */
	protected Boolean isEnactable = IS_ENACTABLE_EDEFAULT;

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

		//UMA-->
		reassignDefaultValues();
		//UMA<--
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getChecklists() {
		if (checklists == null) {
			checklists = new EObjectResolvingEList(Checklist.class, this,
					UmaPackage.ACTIVITY__CHECKLISTS);
		}
		return checklists;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getConcepts() {
		if (concepts == null) {
			concepts = new EObjectResolvingEList(Concept.class, this,
					UmaPackage.ACTIVITY__CONCEPTS);
		}
		return concepts;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public VariabilityType getVariabilityType() {
		return variabilityType;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setVariabilityType(VariabilityType newVariabilityType) {
		VariabilityType oldVariabilityType = variabilityType;
		variabilityType = newVariabilityType == null ? VARIABILITY_TYPE_EDEFAULT
				: newVariabilityType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.ACTIVITY__VARIABILITY_TYPE, oldVariabilityType,
					variabilityType));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public VariabilityElement getVariabilityBasedOnElement() {
		if (variabilityBasedOnElement != null
				&& ((EObject) variabilityBasedOnElement).eIsProxy()) {
			InternalEObject oldVariabilityBasedOnElement = (InternalEObject) variabilityBasedOnElement;
			variabilityBasedOnElement = (VariabilityElement) eResolveProxy(oldVariabilityBasedOnElement);
			if (variabilityBasedOnElement != oldVariabilityBasedOnElement) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT,
							oldVariabilityBasedOnElement,
							variabilityBasedOnElement));
			}
		}
		return variabilityBasedOnElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public VariabilityElement basicGetVariabilityBasedOnElement() {
		return variabilityBasedOnElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setVariabilityBasedOnElement(
			VariabilityElement newVariabilityBasedOnElement) {
		VariabilityElement oldVariabilityBasedOnElement = variabilityBasedOnElement;
		variabilityBasedOnElement = newVariabilityBasedOnElement;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT,
					oldVariabilityBasedOnElement, variabilityBasedOnElement));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint getPrecondition() {
		if (precondition != null && ((EObject) precondition).eIsProxy()) {
			InternalEObject oldPrecondition = (InternalEObject) precondition;
			precondition = (Constraint) eResolveProxy(oldPrecondition);
			if (precondition != oldPrecondition) {
				InternalEObject newPrecondition = (InternalEObject) precondition;
				NotificationChain msgs = oldPrecondition
						.eInverseRemove(this, EOPPOSITE_FEATURE_BASE
								- UmaPackage.ACTIVITY__PRECONDITION, null, null);
				if (newPrecondition.eInternalContainer() == null) {
					msgs = newPrecondition.eInverseAdd(this,
							EOPPOSITE_FEATURE_BASE
									- UmaPackage.ACTIVITY__PRECONDITION, null,
							msgs);
				}
				if (msgs != null)
					msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							UmaPackage.ACTIVITY__PRECONDITION, oldPrecondition,
							precondition));
			}
		}
		return precondition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint basicGetPrecondition() {
		return precondition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetPrecondition(Constraint newPrecondition,
			NotificationChain msgs) {
		Constraint oldPrecondition = precondition;
		precondition = newPrecondition;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, UmaPackage.ACTIVITY__PRECONDITION,
					oldPrecondition, newPrecondition);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setPrecondition(Constraint newPrecondition) {
		if (newPrecondition != precondition) {
			NotificationChain msgs = null;
			if (precondition != null)
				msgs = ((InternalEObject) precondition)
						.eInverseRemove(this, EOPPOSITE_FEATURE_BASE
								- UmaPackage.ACTIVITY__PRECONDITION, null, msgs);
			if (newPrecondition != null)
				msgs = ((InternalEObject) newPrecondition)
						.eInverseAdd(this, EOPPOSITE_FEATURE_BASE
								- UmaPackage.ACTIVITY__PRECONDITION, null, msgs);
			msgs = basicSetPrecondition(newPrecondition, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.ACTIVITY__PRECONDITION, newPrecondition,
					newPrecondition));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint getPostcondition() {
		if (postcondition != null && ((EObject) postcondition).eIsProxy()) {
			InternalEObject oldPostcondition = (InternalEObject) postcondition;
			postcondition = (Constraint) eResolveProxy(oldPostcondition);
			if (postcondition != oldPostcondition) {
				InternalEObject newPostcondition = (InternalEObject) postcondition;
				NotificationChain msgs = oldPostcondition.eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- UmaPackage.ACTIVITY__POSTCONDITION, null,
						null);
				if (newPostcondition.eInternalContainer() == null) {
					msgs = newPostcondition.eInverseAdd(this,
							EOPPOSITE_FEATURE_BASE
									- UmaPackage.ACTIVITY__POSTCONDITION, null,
							msgs);
				}
				if (msgs != null)
					msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							UmaPackage.ACTIVITY__POSTCONDITION,
							oldPostcondition, postcondition));
			}
		}
		return postcondition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Constraint basicGetPostcondition() {
		return postcondition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetPostcondition(Constraint newPostcondition,
			NotificationChain msgs) {
		Constraint oldPostcondition = postcondition;
		postcondition = newPostcondition;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, UmaPackage.ACTIVITY__POSTCONDITION,
					oldPostcondition, newPostcondition);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setPostcondition(Constraint newPostcondition) {
		if (newPostcondition != postcondition) {
			NotificationChain msgs = null;
			if (postcondition != null)
				msgs = ((InternalEObject) postcondition).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- UmaPackage.ACTIVITY__POSTCONDITION, null,
						msgs);
			if (newPostcondition != null)
				msgs = ((InternalEObject) newPostcondition).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
								- UmaPackage.ACTIVITY__POSTCONDITION, null,
						msgs);
			msgs = basicSetPostcondition(newPostcondition, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.ACTIVITY__POSTCONDITION, newPostcondition,
					newPostcondition));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getBreakdownElements() {
		if (breakdownElements == null) {
			breakdownElements = new EObjectWithInverseResolvingEList(
					BreakdownElement.class, this,
					UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS,
					UmaPackage.BREAKDOWN_ELEMENT__SUPER_ACTIVITIES);
		}
		return breakdownElements;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getRoadmaps() {
		if (roadmaps == null) {
			roadmaps = new EObjectResolvingEList(Roadmap.class, this,
					UmaPackage.ACTIVITY__ROADMAPS);
		}
		return roadmaps;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getSupportingMaterials() {
		if (supportingMaterials == null) {
			supportingMaterials = new EObjectResolvingEList(
					SupportingMaterial.class, this,
					UmaPackage.ACTIVITY__SUPPORTING_MATERIALS);
		}
		return supportingMaterials;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getExamples() {
		if (examples == null) {
			examples = new EObjectResolvingEList(Example.class, this,
					UmaPackage.ACTIVITY__EXAMPLES);
		}
		return examples;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getGuidelines() {
		if (guidelines == null) {
			guidelines = new EObjectResolvingEList(Guideline.class, this,
					UmaPackage.ACTIVITY__GUIDELINES);
		}
		return guidelines;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getReusableAssets() {
		if (reusableAssets == null) {
			reusableAssets = new EObjectResolvingEList(ReusableAsset.class,
					this, UmaPackage.ACTIVITY__REUSABLE_ASSETS);
		}
		return reusableAssets;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Boolean getIsEnactable() {
		return isEnactable;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setIsEnactable(Boolean newIsEnactable) {
		Boolean oldIsEnactable = isEnactable;
		isEnactable = newIsEnactable;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.ACTIVITY__IS_ENACTABLE, oldIsEnactable,
					isEnactable));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS:
			return ((InternalEList) getBreakdownElements()).basicAdd(otherEnd,
					msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case UmaPackage.ACTIVITY__PRECONDITION:
			return basicSetPrecondition(null, msgs);
		case UmaPackage.ACTIVITY__POSTCONDITION:
			return basicSetPostcondition(null, msgs);
		case UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS:
			return ((InternalEList) getBreakdownElements()).basicRemove(
					otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case UmaPackage.ACTIVITY__VARIABILITY_TYPE:
			return getVariabilityType();
		case UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT:
			if (resolve)
				return getVariabilityBasedOnElement();
			return basicGetVariabilityBasedOnElement();
		case UmaPackage.ACTIVITY__PRECONDITION:
			if (resolve)
				return getPrecondition();
			return basicGetPrecondition();
		case UmaPackage.ACTIVITY__POSTCONDITION:
			if (resolve)
				return getPostcondition();
			return basicGetPostcondition();
		case UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS:
			return getBreakdownElements();
		case UmaPackage.ACTIVITY__ROADMAPS:
			return getRoadmaps();
		case UmaPackage.ACTIVITY__SUPPORTING_MATERIALS:
			return getSupportingMaterials();
		case UmaPackage.ACTIVITY__CHECKLISTS:
			return getChecklists();
		case UmaPackage.ACTIVITY__CONCEPTS:
			return getConcepts();
		case UmaPackage.ACTIVITY__EXAMPLES:
			return getExamples();
		case UmaPackage.ACTIVITY__GUIDELINES:
			return getGuidelines();
		case UmaPackage.ACTIVITY__REUSABLE_ASSETS:
			return getReusableAssets();
		case UmaPackage.ACTIVITY__IS_ENACTABLE:
			return getIsEnactable();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case UmaPackage.ACTIVITY__VARIABILITY_TYPE:
			setVariabilityType((VariabilityType) newValue);
			return;
		case UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT:
			setVariabilityBasedOnElement((VariabilityElement) newValue);
			return;
		case UmaPackage.ACTIVITY__PRECONDITION:
			setPrecondition((Constraint) newValue);
			return;
		case UmaPackage.ACTIVITY__POSTCONDITION:
			setPostcondition((Constraint) newValue);
			return;
		case UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS:
			getBreakdownElements().clear();
			getBreakdownElements().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__ROADMAPS:
			getRoadmaps().clear();
			getRoadmaps().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__SUPPORTING_MATERIALS:
			getSupportingMaterials().clear();
			getSupportingMaterials().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__CHECKLISTS:
			getChecklists().clear();
			getChecklists().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__CONCEPTS:
			getConcepts().clear();
			getConcepts().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__EXAMPLES:
			getExamples().clear();
			getExamples().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__GUIDELINES:
			getGuidelines().clear();
			getGuidelines().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__REUSABLE_ASSETS:
			getReusableAssets().clear();
			getReusableAssets().addAll((Collection) newValue);
			return;
		case UmaPackage.ACTIVITY__IS_ENACTABLE:
			setIsEnactable((Boolean) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
		case UmaPackage.ACTIVITY__VARIABILITY_TYPE:
			setVariabilityType(VARIABILITY_TYPE_EDEFAULT);
			return;
		case UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT:
			setVariabilityBasedOnElement((VariabilityElement) null);
			return;
		case UmaPackage.ACTIVITY__PRECONDITION:
			setPrecondition((Constraint) null);
			return;
		case UmaPackage.ACTIVITY__POSTCONDITION:
			setPostcondition((Constraint) null);
			return;
		case UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS:
			getBreakdownElements().clear();
			return;
		case UmaPackage.ACTIVITY__ROADMAPS:
			getRoadmaps().clear();
			return;
		case UmaPackage.ACTIVITY__SUPPORTING_MATERIALS:
			getSupportingMaterials().clear();
			return;
		case UmaPackage.ACTIVITY__CHECKLISTS:
			getChecklists().clear();
			return;
		case UmaPackage.ACTIVITY__CONCEPTS:
			getConcepts().clear();
			return;
		case UmaPackage.ACTIVITY__EXAMPLES:
			getExamples().clear();
			return;
		case UmaPackage.ACTIVITY__GUIDELINES:
			getGuidelines().clear();
			return;
		case UmaPackage.ACTIVITY__REUSABLE_ASSETS:
			getReusableAssets().clear();
			return;
		case UmaPackage.ACTIVITY__IS_ENACTABLE:
			setIsEnactable(IS_ENACTABLE_EDEFAULT);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		//UMA-->
		EStructuralFeature feature = getFeatureWithOverridenDefaultValue(featureID);
		if (feature != null) {
			return isFeatureWithOverridenDefaultValueSet(feature);
		}
		//UMA<--		
		switch (featureID) {
		case UmaPackage.ACTIVITY__VARIABILITY_TYPE:
			return variabilityType != VARIABILITY_TYPE_EDEFAULT;
		case UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT:
			return variabilityBasedOnElement != null;
		case UmaPackage.ACTIVITY__PRECONDITION:
			return precondition != null;
		case UmaPackage.ACTIVITY__POSTCONDITION:
			return postcondition != null;
		case UmaPackage.ACTIVITY__BREAKDOWN_ELEMENTS:
			return breakdownElements != null && !breakdownElements.isEmpty();
		case UmaPackage.ACTIVITY__ROADMAPS:
			return roadmaps != null && !roadmaps.isEmpty();
		case UmaPackage.ACTIVITY__SUPPORTING_MATERIALS:
			return supportingMaterials != null
					&& !supportingMaterials.isEmpty();
		case UmaPackage.ACTIVITY__CHECKLISTS:
			return checklists != null && !checklists.isEmpty();
		case UmaPackage.ACTIVITY__CONCEPTS:
			return concepts != null && !concepts.isEmpty();
		case UmaPackage.ACTIVITY__EXAMPLES:
			return examples != null && !examples.isEmpty();
		case UmaPackage.ACTIVITY__GUIDELINES:
			return guidelines != null && !guidelines.isEmpty();
		case UmaPackage.ACTIVITY__REUSABLE_ASSETS:
			return reusableAssets != null && !reusableAssets.isEmpty();
		case UmaPackage.ACTIVITY__IS_ENACTABLE:
			return IS_ENACTABLE_EDEFAULT == null ? isEnactable != null
					: !IS_ENACTABLE_EDEFAULT.equals(isEnactable);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class baseClass) {
		if (baseClass == VariabilityElement.class) {
			switch (derivedFeatureID) {
			case UmaPackage.ACTIVITY__VARIABILITY_TYPE:
				return UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE;
			case UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT:
				return UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT;
			default:
				return -1;
			}
		}
		if (baseClass == WorkDefinition.class) {
			switch (derivedFeatureID) {
			case UmaPackage.ACTIVITY__PRECONDITION:
				return UmaPackage.WORK_DEFINITION__PRECONDITION;
			case UmaPackage.ACTIVITY__POSTCONDITION:
				return UmaPackage.WORK_DEFINITION__POSTCONDITION;
			default:
				return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int eDerivedStructuralFeatureID(int baseFeatureID, Class baseClass) {
		if (baseClass == VariabilityElement.class) {
			switch (baseFeatureID) {
			case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE:
				return UmaPackage.ACTIVITY__VARIABILITY_TYPE;
			case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT:
				return UmaPackage.ACTIVITY__VARIABILITY_BASED_ON_ELEMENT;
			default:
				return -1;
			}
		}
		if (baseClass == WorkDefinition.class) {
			switch (baseFeatureID) {
			case UmaPackage.WORK_DEFINITION__PRECONDITION:
				return UmaPackage.ACTIVITY__PRECONDITION;
			case UmaPackage.WORK_DEFINITION__POSTCONDITION:
				return UmaPackage.ACTIVITY__POSTCONDITION;
			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(" (variabilityType: "); //$NON-NLS-1$
		result.append(variabilityType);
		result.append(", isEnactable: "); //$NON-NLS-1$
		result.append(isEnactable);
		result.append(')');
		return result.toString();
	}

} //ActivityImpl