code: /**
   */
  package IFML.Core.impl;
  
  import IFML.Core.Annotation;
  import IFML.Core.Constraint;
  import IFML.Core.CorePackage;
  import IFML.Core.Element;
  
  import java.util.Collection;
  
  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.InternalEObject;
  import org.eclipse.emf.ecore.impl.ENotificationImpl;
  import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
  import org.eclipse.emf.ecore.util.EObjectContainmentEList;
  import org.eclipse.emf.ecore.util.EcoreUtil;
  import org.eclipse.emf.ecore.util.InternalEList;
  
  /**
   * <!-- begin-user-doc -->
   * An implementation of the model object '<em><b>Element</b></em>'.
   * <!-- end-user-doc -->
   * <p>
   * The following features are implemented:
   * <ul>
   *   <li>{@link IFML.Core.impl.ElementImpl#getId <em>Id</em>}</li>
   *   <li>{@link IFML.Core.impl.ElementImpl#getConstraints <em>Constraints</em>}</li>
   *   <li>{@link IFML.Core.impl.ElementImpl#getAnnotations <em>Annotations</em>}</li>
   * </ul>
   * </p>
   *
   * @generated
   */
  public abstract class ElementImpl extends MinimalEObjectImpl.Container implements Element {
  	/**
  	 * The default value of the '{@link #getId() <em>Id</em>}' attribute.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @see #getId()
  	 * @generated
  	 * @ordered
  	 */
  	protected static final String ID_EDEFAULT = null;
  
  	/**
  	 * The cached value of the '{@link #getId() <em>Id</em>}' attribute.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @see #getId()
  	 * @generated
  	 * @ordered
  	 */
  	protected String id = ID_EDEFAULT;
  
  	/**
  	 * The cached value of the '{@link #getConstraints() <em>Constraints</em>}' containment reference list.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @see #getConstraints()
  	 * @generated
  	 * @ordered
  	 */
  	protected EList<Constraint> constraints;
  
  	/**
  	 * The cached value of the '{@link #getAnnotations() <em>Annotations</em>}' containment reference list.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @see #getAnnotations()
  	 * @generated
  	 * @ordered
  	 */
  	protected EList<Annotation> annotations;
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated NOT
  	 */
  	protected ElementImpl() {
  		super();
  		id=EcoreUtil.generateUUID();
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	protected EClass eStaticClass() {
  		return CorePackage.Literals.ELEMENT;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public String getId() {
  		return id;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void setId(String newId) {
  		String oldId = id;
  		id = newId;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.ELEMENT__ID, oldId, id));
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public EList<Constraint> getConstraints() {
  		if (constraints == null) {
  			constraints = new EObjectContainmentEList<Constraint>(Constraint.class, this, CorePackage.ELEMENT__CONSTRAINTS);
  		}
  		return constraints;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public EList<Annotation> getAnnotations() {
  		if (annotations == null) {
  			annotations = new EObjectContainmentEList<Annotation>(Annotation.class, this, CorePackage.ELEMENT__ANNOTATIONS);
  		}
  		return annotations;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
  		switch (featureID) {
  			case CorePackage.ELEMENT__CONSTRAINTS:
  				return ((InternalEList<?>)getConstraints()).basicRemove(otherEnd, msgs);
  			case CorePackage.ELEMENT__ANNOTATIONS:
  				return ((InternalEList<?>)getAnnotations()).basicRemove(otherEnd, msgs);
  		}
  		return super.eInverseRemove(otherEnd, featureID, msgs);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Object eGet(int featureID, boolean resolve, boolean coreType) {
  		switch (featureID) {
  			case CorePackage.ELEMENT__ID:
  				return getId();
  			case CorePackage.ELEMENT__CONSTRAINTS:
  				return getConstraints();
  			case CorePackage.ELEMENT__ANNOTATIONS:
  				return getAnnotations();
  		}
  		return super.eGet(featureID, resolve, coreType);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@SuppressWarnings("unchecked")
  		@Override
  	public void eSet(int featureID, Object newValue) {
  		switch (featureID) {
  			case CorePackage.ELEMENT__ID:
  				setId((String)newValue);
  				return;
  			case CorePackage.ELEMENT__CONSTRAINTS:
  				getConstraints().clear();
  				getConstraints().addAll((Collection<? extends Constraint>)newValue);
  				return;
  			case CorePackage.ELEMENT__ANNOTATIONS:
  				getAnnotations().clear();
  				getAnnotations().addAll((Collection<? extends Annotation>)newValue);
  				return;
  		}
  		super.eSet(featureID, newValue);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case CorePackage.ELEMENT__ID:
  				setId(ID_EDEFAULT);
  				return;
  			case CorePackage.ELEMENT__CONSTRAINTS:
  				getConstraints().clear();
  				return;
  			case CorePackage.ELEMENT__ANNOTATIONS:
  				getAnnotations().clear();
  				return;
  		}
  		super.eUnset(featureID);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case CorePackage.ELEMENT__ID:
  				return ID_EDEFAULT == null ? id != null : !ID_EDEFAULT.equals(id);
  			case CorePackage.ELEMENT__CONSTRAINTS:
  				return constraints != null && !constraints.isEmpty();
  			case CorePackage.ELEMENT__ANNOTATIONS:
  				return annotations != null && !annotations.isEmpty();
  		}
  		return super.eIsSet(featureID);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public String toString() {
  		if (eIsProxy()) return super.toString();
  
  		StringBuffer result = new StringBuffer(super.toString());
  		result.append(" (id: ");
  		result.append(id);
  		result.append(')');
  		return result.toString();
  	}
  
  } //ElementImpl
  