/*******************************************************************************
 * Copyright (c) 2015, 2016 CNRS, IRIT, IRT AESE (IRT Saint Exupéry).
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the LGPL 3.0
 * which accompanies this distribution, and is available at
 * https://www.gnu.org/licenses/lgpl-3.0-standalone.html
 *
 * Contributors:
 *      Faiez Zalila - initial API and implementation and/or initial documentation
 *******************************************************************************/
/**
 * generated by Xtext 2.10.0
 */
package fr.irit.fiacre.xtext.fiacre.impl;

import fr.irit.fiacre.xtext.fiacre.CaseStatement;
import fr.irit.fiacre.xtext.fiacre.Expression;
import fr.irit.fiacre.xtext.fiacre.FiacrePackage;
import fr.irit.fiacre.xtext.fiacre.Pattern;
import fr.irit.fiacre.xtext.fiacre.Statement;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Case Statement</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link fr.irit.fiacre.xtext.fiacre.impl.CaseStatementImpl#getValue <em>Value</em>}</li>
 *   <li>{@link fr.irit.fiacre.xtext.fiacre.impl.CaseStatementImpl#getPattern <em>Pattern</em>}</li>
 *   <li>{@link fr.irit.fiacre.xtext.fiacre.impl.CaseStatementImpl#getBody <em>Body</em>}</li>
 * </ul>
 *
 * @generated
 */
public class CaseStatementImpl extends StatementImpl implements CaseStatement
{
  /**
   * The cached value of the '{@link #getValue() <em>Value</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getValue()
   * @generated
   * @ordered
   */
  protected Expression value;

  /**
   * The cached value of the '{@link #getPattern() <em>Pattern</em>}' containment reference list.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getPattern()
   * @generated
   * @ordered
   */
  protected EList<Pattern> pattern;

  /**
   * The cached value of the '{@link #getBody() <em>Body</em>}' containment reference list.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getBody()
   * @generated
   * @ordered
   */
  protected EList<Statement> body;

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  protected EClass eStaticClass()
  {
    return FiacrePackage.eINSTANCE.getCaseStatement();
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public Expression getValue()
  {
    return value;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetValue(Expression newValue, NotificationChain msgs)
  {
    Expression oldValue = value;
    value = newValue;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, FiacrePackage.CASE_STATEMENT__VALUE, oldValue, newValue);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setValue(Expression newValue)
  {
    if (newValue != value)
    {
      NotificationChain msgs = null;
      if (value != null)
        msgs = ((InternalEObject)value).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - FiacrePackage.CASE_STATEMENT__VALUE, null, msgs);
      if (newValue != null)
        msgs = ((InternalEObject)newValue).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - FiacrePackage.CASE_STATEMENT__VALUE, null, msgs);
      msgs = basicSetValue(newValue, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, FiacrePackage.CASE_STATEMENT__VALUE, newValue, newValue));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EList<Pattern> getPattern()
  {
    if (pattern == null)
    {
      pattern = new EObjectContainmentEList<Pattern>(Pattern.class, this, FiacrePackage.CASE_STATEMENT__PATTERN);
    }
    return pattern;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EList<Statement> getBody()
  {
    if (body == null)
    {
      body = new EObjectContainmentEList<Statement>(Statement.class, this, FiacrePackage.CASE_STATEMENT__BODY);
    }
    return body;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case FiacrePackage.CASE_STATEMENT__VALUE:
        return basicSetValue(null, msgs);
      case FiacrePackage.CASE_STATEMENT__PATTERN:
        return ((InternalEList<?>)getPattern()).basicRemove(otherEnd, msgs);
      case FiacrePackage.CASE_STATEMENT__BODY:
        return ((InternalEList<?>)getBody()).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 FiacrePackage.CASE_STATEMENT__VALUE:
        return getValue();
      case FiacrePackage.CASE_STATEMENT__PATTERN:
        return getPattern();
      case FiacrePackage.CASE_STATEMENT__BODY:
        return getBody();
    }
    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 FiacrePackage.CASE_STATEMENT__VALUE:
        setValue((Expression)newValue);
        return;
      case FiacrePackage.CASE_STATEMENT__PATTERN:
        getPattern().clear();
        getPattern().addAll((Collection<? extends Pattern>)newValue);
        return;
      case FiacrePackage.CASE_STATEMENT__BODY:
        getBody().clear();
        getBody().addAll((Collection<? extends Statement>)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case FiacrePackage.CASE_STATEMENT__VALUE:
        setValue((Expression)null);
        return;
      case FiacrePackage.CASE_STATEMENT__PATTERN:
        getPattern().clear();
        return;
      case FiacrePackage.CASE_STATEMENT__BODY:
        getBody().clear();
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case FiacrePackage.CASE_STATEMENT__VALUE:
        return value != null;
      case FiacrePackage.CASE_STATEMENT__PATTERN:
        return pattern != null && !pattern.isEmpty();
      case FiacrePackage.CASE_STATEMENT__BODY:
        return body != null && !body.isEmpty();
    }
    return super.eIsSet(featureID);
  }

} //CaseStatementImpl
