/**
 */
package de.ugoe.cs.swe.bnftools.ebnf.impl;

import de.ugoe.cs.swe.bnftools.ebnf.DefinitionList;
import de.ugoe.cs.swe.bnftools.ebnf.EbnfPackage;
import de.ugoe.cs.swe.bnftools.ebnf.OptionalSequence;

import java.util.Collection;

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.MinimalEObjectImpl;

import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Optional Sequence</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link de.ugoe.cs.swe.bnftools.ebnf.impl.OptionalSequenceImpl#getDefinitionList <em>Definition List</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class OptionalSequenceImpl extends MinimalEObjectImpl.Container implements OptionalSequence
{
  /**
   * The cached value of the '{@link #getDefinitionList() <em>Definition List</em>}' containment reference list.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getDefinitionList()
   * @generated
   * @ordered
   */
  protected EList<DefinitionList> definitionList;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EList<DefinitionList> getDefinitionList()
  {
    if (definitionList == null)
    {
      definitionList = new EObjectContainmentEList<DefinitionList>(DefinitionList.class, this, EbnfPackage.OPTIONAL_SEQUENCE__DEFINITION_LIST);
    }
    return definitionList;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case EbnfPackage.OPTIONAL_SEQUENCE__DEFINITION_LIST:
        return ((InternalEList<?>)getDefinitionList()).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 EbnfPackage.OPTIONAL_SEQUENCE__DEFINITION_LIST:
        return getDefinitionList();
    }
    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 EbnfPackage.OPTIONAL_SEQUENCE__DEFINITION_LIST:
        getDefinitionList().clear();
        getDefinitionList().addAll((Collection<? extends DefinitionList>)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case EbnfPackage.OPTIONAL_SEQUENCE__DEFINITION_LIST:
        getDefinitionList().clear();
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case EbnfPackage.OPTIONAL_SEQUENCE__DEFINITION_LIST:
        return definitionList != null && !definitionList.isEmpty();
    }
    return super.eIsSet(featureID);
  }

} //OptionalSequenceImpl
