code: /**
   */
  package IFML.Core.impl;
  
  import IFML.Core.Context;
  import IFML.Core.ContextVariable;
  import IFML.Core.CorePackage;
  
  import IFML.DataTypes.ContextVariableScope;
  
  import org.eclipse.emf.common.notify.Notification;
  import org.eclipse.emf.common.notify.NotificationChain;
  
  import org.eclipse.emf.ecore.EClass;
  import org.eclipse.emf.ecore.InternalEObject;
  
  import org.eclipse.emf.ecore.impl.ENotificationImpl;
  
  import org.eclipse.emf.ecore.util.EcoreUtil;
  
  /**
   * <!-- begin-user-doc -->
   * An implementation of the model object '<em><b>Context Variable</b></em>'.
   * <!-- end-user-doc -->
   * <p>
   * The following features are implemented:
   * <ul>
   *   <li>{@link IFML.Core.impl.ContextVariableImpl#getContext <em>Context</em>}</li>
   *   <li>{@link IFML.Core.impl.ContextVariableImpl#getScope <em>Scope</em>}</li>
   * </ul>
   * </p>
   *
   * @generated
   */
  public class ContextVariableImpl extends NamedElementImpl implements ContextVariable {
  	/**
  	 * The default value of the '{@link #getScope() <em>Scope</em>}' attribute.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @see #getScope()
  	 * @generated
  	 * @ordered
  	 */
  	protected static final ContextVariableScope SCOPE_EDEFAULT = ContextVariableScope.APPLICATION_SCOPE;
  
  	/**
  	 * The cached value of the '{@link #getScope() <em>Scope</em>}' attribute.
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @see #getScope()
  	 * @generated
  	 * @ordered
  	 */
  	protected ContextVariableScope scope = SCOPE_EDEFAULT;
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	protected ContextVariableImpl() {
  		super();
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	protected EClass eStaticClass() {
  		return CorePackage.Literals.CONTEXT_VARIABLE;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public Context getContext() {
  		if (eContainerFeatureID() != CorePackage.CONTEXT_VARIABLE__CONTEXT) return null;
  		return (Context)eInternalContainer();
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public NotificationChain basicSetContext(Context newContext, NotificationChain msgs) {
  		msgs = eBasicSetContainer((InternalEObject)newContext, CorePackage.CONTEXT_VARIABLE__CONTEXT, msgs);
  		return msgs;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void setContext(Context newContext) {
  		if (newContext != eInternalContainer() || (eContainerFeatureID() != CorePackage.CONTEXT_VARIABLE__CONTEXT && newContext != null)) {
  			if (EcoreUtil.isAncestor(this, newContext))
  				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
  			NotificationChain msgs = null;
  			if (eInternalContainer() != null)
  				msgs = eBasicRemoveFromContainer(msgs);
  			if (newContext != null)
  				msgs = ((InternalEObject)newContext).eInverseAdd(this, CorePackage.CONTEXT__CONTEXT_VARIABLES, Context.class, msgs);
  			msgs = basicSetContext(newContext, msgs);
  			if (msgs != null) msgs.dispatch();
  		}
  		else if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.CONTEXT_VARIABLE__CONTEXT, newContext, newContext));
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public ContextVariableScope getScope() {
  		return scope;
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	public void setScope(ContextVariableScope newScope) {
  		ContextVariableScope oldScope = scope;
  		scope = newScope == null ? SCOPE_EDEFAULT : newScope;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.CONTEXT_VARIABLE__SCOPE, oldScope, scope));
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
  		switch (featureID) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				if (eInternalContainer() != null)
  					msgs = eBasicRemoveFromContainer(msgs);
  				return basicSetContext((Context)otherEnd, msgs);
  		}
  		return super.eInverseAdd(otherEnd, featureID, msgs);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
  		switch (featureID) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				return basicSetContext(null, msgs);
  		}
  		return super.eInverseRemove(otherEnd, featureID, msgs);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
  		switch (eContainerFeatureID()) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				return eInternalContainer().eInverseRemove(this, CorePackage.CONTEXT__CONTEXT_VARIABLES, Context.class, msgs);
  		}
  		return super.eBasicRemoveFromContainerFeature(msgs);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public Object eGet(int featureID, boolean resolve, boolean coreType) {
  		switch (featureID) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				return getContext();
  			case CorePackage.CONTEXT_VARIABLE__SCOPE:
  				return getScope();
  		}
  		return super.eGet(featureID, resolve, coreType);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public void eSet(int featureID, Object newValue) {
  		switch (featureID) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				setContext((Context)newValue);
  				return;
  			case CorePackage.CONTEXT_VARIABLE__SCOPE:
  				setScope((ContextVariableScope)newValue);
  				return;
  		}
  		super.eSet(featureID, newValue);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				setContext((Context)null);
  				return;
  			case CorePackage.CONTEXT_VARIABLE__SCOPE:
  				setScope(SCOPE_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}
  
  	/**
  	 * <!-- begin-user-doc -->
  	 * <!-- end-user-doc -->
  	 * @generated
  	 */
  	@Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
  				return getContext() != null;
  			case CorePackage.CONTEXT_VARIABLE__SCOPE:
  				return scope != SCOPE_EDEFAULT;
  		}
  		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(" (scope: ");
  		result.append(scope);
  		result.append(')');
  		return result.toString();
  	}
  
  } //ContextVariableImpl
  