/**
 * generated by Xtext 2.18.0.M3
 */
package org.eclipse.viatra.solver.language.solverLanguage.impl;

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;

import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
import org.eclipse.viatra.solver.language.solverLanguage.Parameter;
import org.eclipse.viatra.solver.language.solverLanguage.PatternBody;
import org.eclipse.viatra.solver.language.solverLanguage.Predicate;
import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Predicate</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateImpl#isIsError <em>Is Error</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateImpl#getSymbol <em>Symbol</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateImpl#getParameters <em>Parameters</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateImpl#getBodies <em>Bodies</em>}</li>
 * </ul>
 *
 * @generated
 */
public class PredicateImpl extends StatementImpl implements Predicate
{
  /**
   * The default value of the '{@link #isIsError() <em>Is Error</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #isIsError()
   * @generated
   * @ordered
   */
  protected static final boolean IS_ERROR_EDEFAULT = false;

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

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

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

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

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

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setIsError(boolean newIsError)
  {
    boolean oldIsError = isError;
    isError = newIsError;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE__IS_ERROR, oldIsError, isError));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public ModelSymbol getSymbol()
  {
    return symbol;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
  {
    ModelSymbol oldSymbol = symbol;
    symbol = newSymbol;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE__SYMBOL, oldSymbol, newSymbol);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setSymbol(ModelSymbol newSymbol)
  {
    if (newSymbol != symbol)
    {
      NotificationChain msgs = null;
      if (symbol != null)
        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PREDICATE__SYMBOL, null, msgs);
      if (newSymbol != null)
        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PREDICATE__SYMBOL, null, msgs);
      msgs = basicSetSymbol(newSymbol, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE__SYMBOL, newSymbol, newSymbol));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public EList<Parameter> getParameters()
  {
    if (parameters == null)
    {
      parameters = new EObjectContainmentEList<Parameter>(Parameter.class, this, SolverLanguagePackage.PREDICATE__PARAMETERS);
    }
    return parameters;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public EList<PatternBody> getBodies()
  {
    if (bodies == null)
    {
      bodies = new EObjectContainmentEList<PatternBody>(PatternBody.class, this, SolverLanguagePackage.PREDICATE__BODIES);
    }
    return bodies;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.PREDICATE__SYMBOL:
        return basicSetSymbol(null, msgs);
      case SolverLanguagePackage.PREDICATE__PARAMETERS:
        return ((InternalEList<?>)getParameters()).basicRemove(otherEnd, msgs);
      case SolverLanguagePackage.PREDICATE__BODIES:
        return ((InternalEList<?>)getBodies()).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 SolverLanguagePackage.PREDICATE__IS_ERROR:
        return isIsError();
      case SolverLanguagePackage.PREDICATE__SYMBOL:
        return getSymbol();
      case SolverLanguagePackage.PREDICATE__PARAMETERS:
        return getParameters();
      case SolverLanguagePackage.PREDICATE__BODIES:
        return getBodies();
    }
    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 SolverLanguagePackage.PREDICATE__IS_ERROR:
        setIsError((Boolean)newValue);
        return;
      case SolverLanguagePackage.PREDICATE__SYMBOL:
        setSymbol((ModelSymbol)newValue);
        return;
      case SolverLanguagePackage.PREDICATE__PARAMETERS:
        getParameters().clear();
        getParameters().addAll((Collection<? extends Parameter>)newValue);
        return;
      case SolverLanguagePackage.PREDICATE__BODIES:
        getBodies().clear();
        getBodies().addAll((Collection<? extends PatternBody>)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.PREDICATE__IS_ERROR:
        setIsError(IS_ERROR_EDEFAULT);
        return;
      case SolverLanguagePackage.PREDICATE__SYMBOL:
        setSymbol((ModelSymbol)null);
        return;
      case SolverLanguagePackage.PREDICATE__PARAMETERS:
        getParameters().clear();
        return;
      case SolverLanguagePackage.PREDICATE__BODIES:
        getBodies().clear();
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.PREDICATE__IS_ERROR:
        return isError != IS_ERROR_EDEFAULT;
      case SolverLanguagePackage.PREDICATE__SYMBOL:
        return symbol != null;
      case SolverLanguagePackage.PREDICATE__PARAMETERS:
        return parameters != null && !parameters.isEmpty();
      case SolverLanguagePackage.PREDICATE__BODIES:
        return bodies != null && !bodies.isEmpty();
    }
    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(" (isError: ");
    result.append(isError);
    result.append(')');
    return result.toString();
  }

} //PredicateImpl