/**
 * generated by Xtext 2.21.0
 */
package org.eclipse.viatra.solver.language.solverLanguage.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.viatra.solver.language.solverLanguage.Call;
import org.eclipse.viatra.solver.language.solverLanguage.ExternMetricDefinition;
import org.eclipse.viatra.solver.language.solverLanguage.MetricType;
import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Extern Metric Definition</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ExternMetricDefinitionImpl#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ExternMetricDefinitionImpl#getHead <em>Head</em>}</li>
 * </ul>
 *
 * @generated
 */
public class ExternMetricDefinitionImpl extends StatementImpl implements ExternMetricDefinition
{
  /**
   * The default value of the '{@link #getType() <em>Type</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getType()
   * @generated
   * @ordered
   */
  protected static final MetricType TYPE_EDEFAULT = MetricType.INT;

  /**
   * The cached value of the '{@link #getType() <em>Type</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getType()
   * @generated
   * @ordered
   */
  protected MetricType type = TYPE_EDEFAULT;

  /**
   * The cached value of the '{@link #getHead() <em>Head</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getHead()
   * @generated
   * @ordered
   */
  protected Call head;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public MetricType getType()
  {
    return type;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setType(MetricType newType)
  {
    MetricType oldType = type;
    type = newType == null ? TYPE_EDEFAULT : newType;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.EXTERN_METRIC_DEFINITION__TYPE, oldType, type));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Call getHead()
  {
    return head;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetHead(Call newHead, NotificationChain msgs)
  {
    Call oldHead = head;
    head = newHead;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD, oldHead, newHead);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setHead(Call newHead)
  {
    if (newHead != head)
    {
      NotificationChain msgs = null;
      if (head != null)
        msgs = ((InternalEObject)head).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD, null, msgs);
      if (newHead != null)
        msgs = ((InternalEObject)newHead).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD, null, msgs);
      msgs = basicSetHead(newHead, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD, newHead, newHead));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD:
        return basicSetHead(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 SolverLanguagePackage.EXTERN_METRIC_DEFINITION__TYPE:
        return getType();
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD:
        return getHead();
    }
    return super.eGet(featureID, resolve, coreType);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__TYPE:
        setType((MetricType)newValue);
        return;
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD:
        setHead((Call)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__TYPE:
        setType(TYPE_EDEFAULT);
        return;
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD:
        setHead((Call)null);
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__TYPE:
        return type != TYPE_EDEFAULT;
      case SolverLanguagePackage.EXTERN_METRIC_DEFINITION__HEAD:
        return head != null;
    }
    return super.eIsSet(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public String toString()
  {
    if (eIsProxy()) return super.toString();

    StringBuilder result = new StringBuilder(super.toString());
    result.append(" (type: ");
    result.append(type);
    result.append(')');
    return result.toString();
  }

} //ExternMetricDefinitionImpl