/**
 * <copyright>
 * </copyright>
 *
 */
package org.applause.lang.applauseDsl.impl;

import org.applause.lang.applauseDsl.ApplauseDslPackage;
import org.applause.lang.applauseDsl.CollectionExpression;
import org.applause.lang.applauseDsl.CollectionIterator;

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;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Collection Iterator</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.applause.lang.applauseDsl.impl.CollectionIteratorImpl#getCollection <em>Collection</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class CollectionIteratorImpl extends VariableDeclarationImpl implements CollectionIterator
{
  /**
   * The cached value of the '{@link #getCollection() <em>Collection</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getCollection()
   * @generated
   * @ordered
   */
  protected CollectionExpression collection;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public CollectionExpression getCollection()
  {
    return collection;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetCollection(CollectionExpression newCollection, NotificationChain msgs)
  {
    CollectionExpression oldCollection = collection;
    collection = newCollection;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ApplauseDslPackage.COLLECTION_ITERATOR__COLLECTION, oldCollection, newCollection);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setCollection(CollectionExpression newCollection)
  {
    if (newCollection != collection)
    {
      NotificationChain msgs = null;
      if (collection != null)
        msgs = ((InternalEObject)collection).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ApplauseDslPackage.COLLECTION_ITERATOR__COLLECTION, null, msgs);
      if (newCollection != null)
        msgs = ((InternalEObject)newCollection).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ApplauseDslPackage.COLLECTION_ITERATOR__COLLECTION, null, msgs);
      msgs = basicSetCollection(newCollection, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, ApplauseDslPackage.COLLECTION_ITERATOR__COLLECTION, newCollection, newCollection));
  }

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
      case ApplauseDslPackage.COLLECTION_ITERATOR__COLLECTION:
        setCollection((CollectionExpression)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case ApplauseDslPackage.COLLECTION_ITERATOR__COLLECTION:
        setCollection((CollectionExpression)null);
        return;
    }
    super.eUnset(featureID);
  }

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

} //CollectionIteratorImpl
