/**
 * 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.Expression;
import org.eclipse.viatra.solver.language.solverLanguage.PredicateDefinition;
import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Predicate Definition</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateDefinitionImpl#getHead <em>Head</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateDefinitionImpl#getBody <em>Body</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateDefinitionImpl#isFunctional <em>Functional</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateDefinitionImpl#isError <em>Error</em>}</li>
 * </ul>
 *
 * @generated
 */
public class PredicateDefinitionImpl extends StatementImpl implements PredicateDefinition
{
  /**
   * The cached value of the '{@link #getHead() <em>Head</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getHead()
   * @generated
   * @ordered
   */
  protected Expression head;

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

  /**
   * The default value of the '{@link #isFunctional() <em>Functional</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #isFunctional()
   * @generated
   * @ordered
   */
  protected static final boolean FUNCTIONAL_EDEFAULT = false;

  /**
   * The cached value of the '{@link #isFunctional() <em>Functional</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #isFunctional()
   * @generated
   * @ordered
   */
  protected boolean functional = FUNCTIONAL_EDEFAULT;

  /**
   * The default value of the '{@link #isError() <em>Error</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #isError()
   * @generated
   * @ordered
   */
  protected static final boolean ERROR_EDEFAULT = false;

  /**
   * The cached value of the '{@link #isError() <em>Error</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #isError()
   * @generated
   * @ordered
   */
  protected boolean error = ERROR_EDEFAULT;

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

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

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

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetBody(Expression newBody, NotificationChain msgs)
  {
    Expression oldBody = body;
    body = newBody;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE_DEFINITION__BODY, oldBody, newBody);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setBody(Expression newBody)
  {
    if (newBody != body)
    {
      NotificationChain msgs = null;
      if (body != null)
        msgs = ((InternalEObject)body).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PREDICATE_DEFINITION__BODY, null, msgs);
      if (newBody != null)
        msgs = ((InternalEObject)newBody).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PREDICATE_DEFINITION__BODY, null, msgs);
      msgs = basicSetBody(newBody, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE_DEFINITION__BODY, newBody, newBody));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean isFunctional()
  {
    return functional;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setFunctional(boolean newFunctional)
  {
    boolean oldFunctional = functional;
    functional = newFunctional;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE_DEFINITION__FUNCTIONAL, oldFunctional, functional));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean isError()
  {
    return error;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setError(boolean newError)
  {
    boolean oldError = error;
    error = newError;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE_DEFINITION__ERROR, oldError, error));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.PREDICATE_DEFINITION__HEAD:
        return basicSetHead(null, msgs);
      case SolverLanguagePackage.PREDICATE_DEFINITION__BODY:
        return basicSetBody(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.PREDICATE_DEFINITION__HEAD:
        return getHead();
      case SolverLanguagePackage.PREDICATE_DEFINITION__BODY:
        return getBody();
      case SolverLanguagePackage.PREDICATE_DEFINITION__FUNCTIONAL:
        return isFunctional();
      case SolverLanguagePackage.PREDICATE_DEFINITION__ERROR:
        return isError();
    }
    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.PREDICATE_DEFINITION__HEAD:
        setHead((Expression)newValue);
        return;
      case SolverLanguagePackage.PREDICATE_DEFINITION__BODY:
        setBody((Expression)newValue);
        return;
      case SolverLanguagePackage.PREDICATE_DEFINITION__FUNCTIONAL:
        setFunctional((Boolean)newValue);
        return;
      case SolverLanguagePackage.PREDICATE_DEFINITION__ERROR:
        setError((Boolean)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.PREDICATE_DEFINITION__HEAD:
        setHead((Expression)null);
        return;
      case SolverLanguagePackage.PREDICATE_DEFINITION__BODY:
        setBody((Expression)null);
        return;
      case SolverLanguagePackage.PREDICATE_DEFINITION__FUNCTIONAL:
        setFunctional(FUNCTIONAL_EDEFAULT);
        return;
      case SolverLanguagePackage.PREDICATE_DEFINITION__ERROR:
        setError(ERROR_EDEFAULT);
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.PREDICATE_DEFINITION__HEAD:
        return head != null;
      case SolverLanguagePackage.PREDICATE_DEFINITION__BODY:
        return body != null;
      case SolverLanguagePackage.PREDICATE_DEFINITION__FUNCTIONAL:
        return functional != FUNCTIONAL_EDEFAULT;
      case SolverLanguagePackage.PREDICATE_DEFINITION__ERROR:
        return error != ERROR_EDEFAULT;
    }
    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(" (functional: ");
    result.append(functional);
    result.append(", error: ");
    result.append(error);
    result.append(')');
    return result.toString();
  }

} //PredicateDefinitionImpl