/**
 * 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.impl.MinimalEObjectImpl;

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

import org.eclipse.viatra.solver.language.solverLanguage.ClosureType;
import org.eclipse.viatra.solver.language.solverLanguage.Constraint;
import org.eclipse.viatra.solver.language.solverLanguage.Literal;
import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
import org.eclipse.viatra.solver.language.solverLanguage.Polarity;
import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Constraint</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getPolarity <em>Polarity</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getSymbol <em>Symbol</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getParams <em>Params</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getClosureType <em>Closure Type</em>}</li>
 * </ul>
 *
 * @generated
 */
public class ConstraintImpl extends MinimalEObjectImpl.Container implements Constraint
{
  /**
   * The cached value of the '{@link #getPolarity() <em>Polarity</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getPolarity()
   * @generated
   * @ordered
   */
  protected Polarity polarity;

  /**
   * 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 #getParams() <em>Params</em>}' containment reference list.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getParams()
   * @generated
   * @ordered
   */
  protected EList<Literal> params;

  /**
   * The cached value of the '{@link #getClosureType() <em>Closure Type</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getClosureType()
   * @generated
   * @ordered
   */
  protected ClosureType closureType;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Polarity getPolarity()
  {
    return polarity;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetPolarity(Polarity newPolarity, NotificationChain msgs)
  {
    Polarity oldPolarity = polarity;
    polarity = newPolarity;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__POLARITY, oldPolarity, newPolarity);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setPolarity(Polarity newPolarity)
  {
    if (newPolarity != polarity)
    {
      NotificationChain msgs = null;
      if (polarity != null)
        msgs = ((InternalEObject)polarity).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__POLARITY, null, msgs);
      if (newPolarity != null)
        msgs = ((InternalEObject)newPolarity).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__POLARITY, null, msgs);
      msgs = basicSetPolarity(newPolarity, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__POLARITY, newPolarity, newPolarity));
  }

  /**
   * <!-- 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.CONSTRAINT__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.CONSTRAINT__SYMBOL, null, msgs);
      if (newSymbol != null)
        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__SYMBOL, null, msgs);
      msgs = basicSetSymbol(newSymbol, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__SYMBOL, newSymbol, newSymbol));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public EList<Literal> getParams()
  {
    if (params == null)
    {
      params = new EObjectContainmentEList<Literal>(Literal.class, this, SolverLanguagePackage.CONSTRAINT__PARAMS);
    }
    return params;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public ClosureType getClosureType()
  {
    return closureType;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetClosureType(ClosureType newClosureType, NotificationChain msgs)
  {
    ClosureType oldClosureType = closureType;
    closureType = newClosureType;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, oldClosureType, newClosureType);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void setClosureType(ClosureType newClosureType)
  {
    if (newClosureType != closureType)
    {
      NotificationChain msgs = null;
      if (closureType != null)
        msgs = ((InternalEObject)closureType).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, null, msgs);
      if (newClosureType != null)
        msgs = ((InternalEObject)newClosureType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, null, msgs);
      msgs = basicSetClosureType(newClosureType, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, newClosureType, newClosureType));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.CONSTRAINT__POLARITY:
        return basicSetPolarity(null, msgs);
      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
        return basicSetSymbol(null, msgs);
      case SolverLanguagePackage.CONSTRAINT__PARAMS:
        return ((InternalEList<?>)getParams()).basicRemove(otherEnd, msgs);
      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
        return basicSetClosureType(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.CONSTRAINT__POLARITY:
        return getPolarity();
      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
        return getSymbol();
      case SolverLanguagePackage.CONSTRAINT__PARAMS:
        return getParams();
      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
        return getClosureType();
    }
    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.CONSTRAINT__POLARITY:
        setPolarity((Polarity)newValue);
        return;
      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
        setSymbol((ModelSymbol)newValue);
        return;
      case SolverLanguagePackage.CONSTRAINT__PARAMS:
        getParams().clear();
        getParams().addAll((Collection<? extends Literal>)newValue);
        return;
      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
        setClosureType((ClosureType)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.CONSTRAINT__POLARITY:
        setPolarity((Polarity)null);
        return;
      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
        setSymbol((ModelSymbol)null);
        return;
      case SolverLanguagePackage.CONSTRAINT__PARAMS:
        getParams().clear();
        return;
      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
        setClosureType((ClosureType)null);
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case SolverLanguagePackage.CONSTRAINT__POLARITY:
        return polarity != null;
      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
        return symbol != null;
      case SolverLanguagePackage.CONSTRAINT__PARAMS:
        return params != null && !params.isEmpty();
      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
        return closureType != null;
    }
    return super.eIsSet(featureID);
  }

} //ConstraintImpl