UpperLevelReferenceImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.reuseware.air.language.cmsl.impl;

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.impl.EObjectImpl;

import org.reuseware.air.language.cmsl.CmslPackage;
import org.reuseware.air.language.cmsl.NonTerminal;
import org.reuseware.air.language.cmsl.UpperLevelReference;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Upper Level Reference</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.reuseware.air.language.cmsl.impl.UpperLevelReferenceImpl#getUpper <em>Upper</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class UpperLevelReferenceImpl extends EObjectImpl implements UpperLevelReference {
	/**
   * The cached value of the '{@link #getUpper() <em>Upper</em>}' containment reference.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @see #getUpper()
   * @generated
   * @ordered
   */
	protected NonTerminal upper;

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

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

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public NonTerminal getUpper() {
    return upper;
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public NotificationChain basicSetUpper(NonTerminal newUpper, NotificationChain msgs) {
    NonTerminal oldUpper = upper;
    upper = newUpper;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, CmslPackage.UPPER_LEVEL_REFERENCE__UPPER, oldUpper, newUpper);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public void setUpper(NonTerminal newUpper) {
    if (newUpper != upper)
    {
      NotificationChain msgs = null;
      if (upper != null)
        msgs = ((InternalEObject)upper).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - CmslPackage.UPPER_LEVEL_REFERENCE__UPPER, null, msgs);
      if (newUpper != null)
        msgs = ((InternalEObject)newUpper).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - CmslPackage.UPPER_LEVEL_REFERENCE__UPPER, null, msgs);
      msgs = basicSetUpper(newUpper, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, CmslPackage.UPPER_LEVEL_REFERENCE__UPPER, newUpper, newUpper));
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
    switch (featureID)
    {
      case CmslPackage.UPPER_LEVEL_REFERENCE__UPPER:
        return basicSetUpper(null, 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 CmslPackage.UPPER_LEVEL_REFERENCE__UPPER:
        return getUpper();
    }
    return super.eGet(featureID, resolve, coreType);
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public void eSet(int featureID, Object newValue) {
    switch (featureID)
    {
      case CmslPackage.UPPER_LEVEL_REFERENCE__UPPER:
        setUpper((NonTerminal)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public void eUnset(int featureID) {
    switch (featureID)
    {
      case CmslPackage.UPPER_LEVEL_REFERENCE__UPPER:
        setUpper((NonTerminal)null);
        return;
    }
    super.eUnset(featureID);
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public boolean eIsSet(int featureID) {
    switch (featureID)
    {
      case CmslPackage.UPPER_LEVEL_REFERENCE__UPPER:
        return upper != null;
    }
    return super.eIsSet(featureID);
  }

} //UpperLevelReferenceImpl