Package org.eclipse.emf.ecore.impl

Source Code of org.eclipse.emf.ecore.impl.EGenericTypeImpl

/**
* <copyright>
*
* Copyright (c) 2006 IBM Corporation and others.
* All rights reserved.   This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*   IBM - Initial API and implementation
*
* </copyright>
*
* $Id: EGenericTypeImpl.java,v 1.8 2009/01/16 12:55:11 emerks Exp $
*/
package org.eclipse.emf.ecore.impl;

import java.util.Collection;
import java.util.Set;

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.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EGenericType;
import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.ETypeParameter;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.InternalEObject;

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>EGeneric Type</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
*   <li>{@link org.eclipse.emf.ecore.impl.EGenericTypeImpl#getEUpperBound <em>EUpper Bound</em>}</li>
*   <li>{@link org.eclipse.emf.ecore.impl.EGenericTypeImpl#getETypeArguments <em>EType Arguments</em>}</li>
*   <li>{@link org.eclipse.emf.ecore.impl.EGenericTypeImpl#getERawType <em>ERaw Type</em>}</li>
*   <li>{@link org.eclipse.emf.ecore.impl.EGenericTypeImpl#getELowerBound <em>ELower Bound</em>}</li>
*   <li>{@link org.eclipse.emf.ecore.impl.EGenericTypeImpl#getETypeParameter <em>EType Parameter</em>}</li>
*   <li>{@link org.eclipse.emf.ecore.impl.EGenericTypeImpl#getEClassifier <em>EClassifier</em>}</li>
* </ul>
* </p>
*
* @generated not
*/
public class EGenericTypeImpl extends MinimalEObjectImpl.Container implements EGenericType
{
  /**
   * The cached value of the '{@link #getEUpperBound() <em>EUpper Bound</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getEUpperBound()
   * @generated
   * @ordered
   */
  protected EGenericType eUpperBound;

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

  /**
   * The cached default value for the {@link #eRawType eRawType} field.
   * It needs to be set to {@link org.eclipse.emf.ecore.EcorePackage.Literals#EJAVA_OBJECT}
   * but due to bootstrap delays initializing that field,
   * it needs to be set after the Ecore package has been initialized.
   * @see org.eclipse.emf.ecore.impl.EcorePackageImpl#internalBootstrap()
   * @see #eRawType
   */
  static EDataType eJavaObject;

  /**
   * The cached value of the '{@link #getERawType() <em>ERaw Type</em>}' reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getERawType()
   * @generated NOT
   * @ordered
   */
  protected EClassifier eRawType = eJavaObject;

  /**
   * The cached value of the '{@link #getELowerBound() <em>ELower Bound</em>}' containment reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getELowerBound()
   * @generated
   * @ordered
   */
  protected EGenericType eLowerBound;

  /**
   * The cached value of the '{@link #getETypeParameter() <em>EType Parameter</em>}' reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getETypeParameter()
   * @generated
   * @ordered
   */
  protected ETypeParameter eTypeParameter;

  /**
   * The cached value of the '{@link #getEClassifier() <em>EClassifier</em>}' reference.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getEClassifier()
   * @generated
   * @ordered
   */
  protected EClassifier eClassifier;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EGenericType getEUpperBound()
  {
    return eUpperBound;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetEUpperBound(EGenericType newEUpperBound, NotificationChain msgs)
  {
    EGenericType oldEUpperBound = eUpperBound;
    eUpperBound = newEUpperBound;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__EUPPER_BOUND, oldEUpperBound, newEUpperBound);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setEUpperBound(EGenericType newEUpperBound)
  {
    if (newEUpperBound != eUpperBound)
    {
      NotificationChain msgs = null;
      if (eUpperBound != null)
        msgs = ((InternalEObject)eUpperBound).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - EcorePackage.EGENERIC_TYPE__EUPPER_BOUND, null, msgs);
      if (newEUpperBound != null)
        msgs = ((InternalEObject)newEUpperBound).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - EcorePackage.EGENERIC_TYPE__EUPPER_BOUND, null, msgs);
      msgs = basicSetEUpperBound(newEUpperBound, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__EUPPER_BOUND, newEUpperBound, newEUpperBound));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EList<EGenericType> getETypeArguments()
  {
    if (eTypeArguments == null)
    {
      eTypeArguments = new EObjectContainmentEList<EGenericType>(EGenericType.class, this, EcorePackage.EGENERIC_TYPE__ETYPE_ARGUMENTS);
    }
    return eTypeArguments;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated NOT
   */
  public EClassifier getERawType()
  {
    if (eRawType != null && eRawType.eIsProxy())
    {
      InternalEObject oldERawType = (InternalEObject)eRawType;
      eRawType = (EClassifier)eResolveProxy(oldERawType);
      if (eRawType != oldERawType)
      {
        if (eNotificationRequired())
          eNotify(new ENotificationImpl(this, Notification.RESOLVE, EcorePackage.EGENERIC_TYPE__ERAW_TYPE, oldERawType, eRawType));

        if (eContainer instanceof EOperation)
        {
          if (eContainerFeatureID() == (EOPPOSITE_FEATURE_BASE - EcorePackage.EOPERATION__EGENERIC_EXCEPTIONS) && eContainer.eNotificationRequired())
          {
            new ENotificationImpl
              (eContainer,
               Notification.RESOLVE,
               EcorePackage.EOPERATION__EEXCEPTIONS,
               oldERawType,
               eRawType,
               ((EOperation)eContainer).getEGenericExceptions().indexOf(this)).dispatch();
          }
        }
        else if (eContainer instanceof EClass)
        {
          if (eContainerFeatureID() == (EOPPOSITE_FEATURE_BASE - EcorePackage.ECLASS__EGENERIC_SUPER_TYPES) && eContainer.eNotificationRequired())
          {
            EClassifier newERawType = eRawType;
            if (!(newERawType instanceof EClass))
            {
              newERawType = EcorePackage.Literals.EOBJECT;
            }
            if (!(oldERawType instanceof EClass))
            {
              oldERawType = (InternalEObject)EcorePackage.Literals.EOBJECT;
            }

            new ENotificationImpl
              (eContainer,
               Notification.RESOLVE,
               EcorePackage.ECLASS__ESUPER_TYPES,
               oldERawType,
               newERawType,
               ((EClass)eContainer).getEGenericSuperTypes().indexOf(this)).dispatch();
          }
        }
      }
    }
    return eRawType;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EClassifier basicGetERawType()
  {
    return eRawType;
  }

  public NotificationChain setERawType(EClassifier newERawType, NotificationChain msgs)
  {
    EClassifier oldERawType = eRawType;
    if (newERawType == null)
    {
      newERawType = eJavaObject;
    }
    eRawType = newERawType;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__ERAW_TYPE, oldERawType, eRawType);
      if (msgs == null)
      {
        msgs = notification;
      }
      else
      {
        msgs.add(notification);
      }
    }
   
    if (oldERawType != newERawType)
    {
      if (eContainer instanceof ETypedElementImpl)
      {
        if (eContainerFeatureID() == (EOPPOSITE_FEATURE_BASE - EcorePackage.ETYPED_ELEMENT__EGENERIC_TYPE))
        {
          msgs = ((ETypedElementImpl)eContainer).setEType(newERawType, msgs);
        }
        else if (eContainerFeatureID() == (EOPPOSITE_FEATURE_BASE - EcorePackage.EOPERATION__EGENERIC_EXCEPTIONS))
        {
          if (newERawType == null)
          {
            newERawType = EcorePackage.Literals.EJAVA_OBJECT;
          }
          if (oldERawType == null)
          {
            oldERawType = EcorePackage.Literals.EJAVA_OBJECT;
          }
 
          if (eContainer.eNotificationRequired())
          {
            ENotificationImpl notification =
              new ENotificationImpl
                (eContainer,
                 Notification.SET,
                 EcorePackage.EOPERATION__EEXCEPTIONS,
                 oldERawType,
                 newERawType,
                 ((EOperation)eContainer).getEGenericExceptions().indexOf(this),
                 false);
           
            if (msgs == null)
            {
              msgs = notification;
            }
            else
            {
              msgs.add(notification);
            }
          }
        }
      }
      else if (eContainer instanceof EClass)
      {
        if (eContainerFeatureID() == (EOPPOSITE_FEATURE_BASE - EcorePackage.ECLASS__EGENERIC_SUPER_TYPES))
        {
          if (!(newERawType instanceof EClass))
          {
            newERawType = EcorePackage.Literals.EOBJECT;
          }
          if (!(oldERawType instanceof EClass))
          {
            oldERawType = EcorePackage.Literals.EOBJECT;
          }
 
          if (eContainer.eNotificationRequired())
          {
            ENotificationImpl notification =
              new ENotificationImpl
                (eContainer,
                 Notification.SET,
                 EcorePackage.ECLASS__ESUPER_TYPES,
                 oldERawType,
                 newERawType,
                 ((EClass)eContainer).getEGenericSuperTypes().indexOf(this),
                 false);
           
            if (msgs == null)
            {
              msgs = notification;
            }
            else
            {
              msgs.add(notification);
            }
          }
        }
      }
      else if (eContainer instanceof ETypeParameter)
      {
        ETypeParameter eTypeParameter = (ETypeParameter)eContainer;
        synchronized (eTypeParameter)
        {
          @SuppressWarnings("unchecked")
          Set<EGenericTypeImpl> eGenericTypes = (Set<EGenericTypeImpl>)(Set<?>)((ETypeParameterImpl)eTypeParameter).getEGenericTypes();
          for (EGenericTypeImpl eGenericType : eGenericTypes)
          {
            msgs = eGenericType.setERawType(eGenericType.getErasure(eTypeParameter), msgs);
          }
        }
      }
    }
    return msgs;
  }
 

  @Override
  public NotificationChain eBasicSetContainer(InternalEObject newContainer, int newContainerFeatureID, NotificationChain msgs)
  {
    msgs = super.eBasicSetContainer(newContainer, newContainerFeatureID, msgs);
    if (eTypeParameter != null && newContainer instanceof EStructuralFeature)
    {
      // When we attached we have to recompute the erasure of the type parameter.
      //
      EClassifier newERawType = getErasure(eTypeParameter);
      if (newERawType != eRawType)
      {
        msgs = setERawType(newERawType, msgs);
      }
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EGenericType getELowerBound()
  {
    return eLowerBound;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetELowerBound(EGenericType newELowerBound, NotificationChain msgs)
  {
    EGenericType oldELowerBound = eLowerBound;
    eLowerBound = newELowerBound;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__ELOWER_BOUND, oldELowerBound, newELowerBound);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setELowerBound(EGenericType newELowerBound)
  {
    if (newELowerBound != eLowerBound)
    {
      NotificationChain msgs = null;
      if (eLowerBound != null)
        msgs = ((InternalEObject)eLowerBound).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - EcorePackage.EGENERIC_TYPE__ELOWER_BOUND, null, msgs);
      if (newELowerBound != null)
        msgs = ((InternalEObject)newELowerBound).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - EcorePackage.EGENERIC_TYPE__ELOWER_BOUND, null, msgs);
      msgs = basicSetELowerBound(newELowerBound, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__ELOWER_BOUND, newELowerBound, newELowerBound));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public ETypeParameter getETypeParameter()
  {
    return eTypeParameter;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated NOT
   */
  public NotificationChain basicSetETypeParameter(ETypeParameter newETypeParameter, NotificationChain msgs)
  {
    ETypeParameter oldETypeParameter = eTypeParameter;
    eTypeParameter = newETypeParameter;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__ETYPE_PARAMETER, oldETypeParameter, newETypeParameter);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    if (oldETypeParameter != newETypeParameter)
    {
      if (newETypeParameter != null)
      {
        msgs = setERawType(getErasure(newETypeParameter), msgs);
      }
      else
      {
        msgs = setERawType(eClassifier, msgs);
      }
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated NOT
   */
  public void setETypeParameter(ETypeParameter newETypeParameter)
  {
    if (newETypeParameter != eTypeParameter)
    {
      // Maintain a (weak hash) set on the type parameter of all referencing generic types.
      //
      if (eTypeParameter != null)
      {
        synchronized (eTypeParameter)
        {
          ((ETypeParameterImpl)eTypeParameter).getEGenericTypes().remove(this);
        }
      }
      if (newETypeParameter != null)
      {
        synchronized (newETypeParameter)
        {
          ((ETypeParameterImpl)newETypeParameter).getEGenericTypes().add(this);
        }
      }
      NotificationChain msgs = basicSetETypeParameter(newETypeParameter, null);
      if (msgs != null)
      {
        msgs.dispatch();
      }
    }
    else if (eNotificationRequired())
    {
      eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__ETYPE_PARAMETER, newETypeParameter, newETypeParameter));
    }
  }

  protected EClassifier getErasure(ETypeParameter eTypeParameter)
  {
    if (eTypeParameter == null)
    {
      return null;
    }
    else
    {
      boolean needEClass = eContainer instanceof EClass || eContainer instanceof EReference;
      boolean needEDataType = !needEClass && eContainer instanceof EAttribute;
      for (EGenericType eBound : eTypeParameter.getEBounds())
      {
        EClassifier eRawType = eBound.getERawType();
        if (needEClass ? eRawType instanceof EClass : needEDataType ? eRawType instanceof EDataType : eRawType!= null)
        {
          return eRawType;
        }
      }
      return needEClass ? EcorePackage.Literals.EOBJECT : EcorePackage.Literals.EJAVA_OBJECT;
    }
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EClassifier getEClassifier()
  {
    if (eClassifier != null && eClassifier.eIsProxy())
    {
      InternalEObject oldEClassifier = (InternalEObject)eClassifier;
      eClassifier = (EClassifier)eResolveProxy(oldEClassifier);
      if (eClassifier != oldEClassifier)
      {
        if (eNotificationRequired())
          eNotify(new ENotificationImpl(this, Notification.RESOLVE, EcorePackage.EGENERIC_TYPE__ECLASSIFIER, oldEClassifier, eClassifier));
      }
    }
    return eClassifier;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EClassifier basicGetEClassifier()
  {
    return eClassifier;
  }

  public NotificationChain setEClassifier(EClassifier newEClassifier, NotificationChain msgs)
  {
    EClassifier oldEClassifier = eClassifier;
    eClassifier = newEClassifier;
    if (eNotificationRequired())
    {
      ENotificationImpl notification =
        new ENotificationImpl(this, Notification.SET, EcorePackage.EGENERIC_TYPE__ECLASSIFIER, oldEClassifier, eClassifier);
      if (msgs == null)
      {
        msgs = notification;
      }
      else
      {
        msgs.add(notification);
      }
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated NOT
   */
  public void setEClassifier(EClassifier newEClassifier)
  {
    EClassifier oldEClassifier = eClassifier;
    NotificationChain msgs = setEClassifier(newEClassifier, null);
    if (oldEClassifier != newEClassifier && eTypeParameter == null)
    {
      msgs = setERawType(newEClassifier, msgs);
    }
    if (msgs != null)
    {
      msgs.dispatch();
    }
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case EcorePackage.EGENERIC_TYPE__EUPPER_BOUND:
        return basicSetEUpperBound(null, msgs);
      case EcorePackage.EGENERIC_TYPE__ETYPE_ARGUMENTS:
        return ((InternalEList<?>)getETypeArguments()).basicRemove(otherEnd, msgs);
      case EcorePackage.EGENERIC_TYPE__ELOWER_BOUND:
        return basicSetELowerBound(null, msgs);
    }
    return eDynamicInverseRemove(otherEnd, featureID, msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Object eGet(int featureID, boolean resolve, boolean coreType)
  {
    switch (featureID)
    {
      case EcorePackage.EGENERIC_TYPE__EUPPER_BOUND:
        return getEUpperBound();
      case EcorePackage.EGENERIC_TYPE__ETYPE_ARGUMENTS:
        return getETypeArguments();
      case EcorePackage.EGENERIC_TYPE__ERAW_TYPE:
        if (resolve) return getERawType();
        return basicGetERawType();
      case EcorePackage.EGENERIC_TYPE__ELOWER_BOUND:
        return getELowerBound();
      case EcorePackage.EGENERIC_TYPE__ETYPE_PARAMETER:
        return getETypeParameter();
      case EcorePackage.EGENERIC_TYPE__ECLASSIFIER:
        if (resolve) return getEClassifier();
        return basicGetEClassifier();
    }
    return eDynamicGet(featureID, resolve, coreType);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @SuppressWarnings("unchecked")
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
      case EcorePackage.EGENERIC_TYPE__EUPPER_BOUND:
        setEUpperBound((EGenericType)newValue);
        return;
      case EcorePackage.EGENERIC_TYPE__ETYPE_ARGUMENTS:
        getETypeArguments().clear();
        getETypeArguments().addAll((Collection<? extends EGenericType>)newValue);
        return;
      case EcorePackage.EGENERIC_TYPE__ELOWER_BOUND:
        setELowerBound((EGenericType)newValue);
        return;
      case EcorePackage.EGENERIC_TYPE__ETYPE_PARAMETER:
        setETypeParameter((ETypeParameter)newValue);
        return;
      case EcorePackage.EGENERIC_TYPE__ECLASSIFIER:
        setEClassifier((EClassifier)newValue);
        return;
    }
    eDynamicSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case EcorePackage.EGENERIC_TYPE__EUPPER_BOUND:
        setEUpperBound((EGenericType)null);
        return;
      case EcorePackage.EGENERIC_TYPE__ETYPE_ARGUMENTS:
        getETypeArguments().clear();
        return;
      case EcorePackage.EGENERIC_TYPE__ELOWER_BOUND:
        setELowerBound((EGenericType)null);
        return;
      case EcorePackage.EGENERIC_TYPE__ETYPE_PARAMETER:
        setETypeParameter((ETypeParameter)null);
        return;
      case EcorePackage.EGENERIC_TYPE__ECLASSIFIER:
        setEClassifier((EClassifier)null);
        return;
    }
    eDynamicUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case EcorePackage.EGENERIC_TYPE__EUPPER_BOUND:
        return eUpperBound != null;
      case EcorePackage.EGENERIC_TYPE__ETYPE_ARGUMENTS:
        return eTypeArguments != null && !eTypeArguments.isEmpty();
      case EcorePackage.EGENERIC_TYPE__ERAW_TYPE:
        return eRawType != null;
      case EcorePackage.EGENERIC_TYPE__ELOWER_BOUND:
        return eLowerBound != null;
      case EcorePackage.EGENERIC_TYPE__ETYPE_PARAMETER:
        return eTypeParameter != null;
      case EcorePackage.EGENERIC_TYPE__ECLASSIFIER:
        return eClassifier != null;
    }
    return eDynamicIsSet(featureID);
  }

  @Override
  public String toString()
  {
    StringBuilder result = new StringBuilder(super.toString());
    result.append(" (expression: ");
    toString(result);
    result.append(')');
    return result.toString();
  }
 
  protected void toString(StringBuilder result)
  {
    if (eClassifier != null)
    {
      String label = eClassifier.getName();
      String tail = null;
      if (label != null)
      {
        result.append(label);
      }
      else
      {
        String instanceTypeName = eClassifier.getInstanceTypeName();
        if (instanceTypeName != null)
        {
          int index = instanceTypeName.indexOf('[');
          if (index != -1)
          {
            tail = instanceTypeName.substring(index);
            result.append(instanceTypeName, 0, index);
          }
          else
          {
            result.append(instanceTypeName);
          }
        }
      }
     
      if (eTypeArguments != null && !eTypeArguments.isEmpty())
      {
        boolean first = true;
        result.append('<');
        for (EGenericType eTypeArgument : eTypeArguments)
        {
          if (first)
          {
            first = false;
          }
          else
          {
            result.append(", ");
          }
          ((EGenericTypeImpl)eTypeArgument).toString(result);
        }
        result.append('>');
      }
     
      if (tail != null)
      {
        result.append(tail);
      }
    }
    else if (eTypeParameter != null)
    {
      String label = eTypeParameter.getName();
      if (label != null)
      {
        result.append(label);
      }
    }
    else
    {
      result.append('?');
      if (eLowerBound != null)
      {
        result.append(" super ");
        ((EGenericTypeImpl)eLowerBound).toString(result);
      }
      else
      {
        if (eUpperBound != null)
        {
          result.append(" extends ");
          ((EGenericTypeImpl)eUpperBound).toString(result);
        }
      }
    }
  }

} //EGenericTypeImpl
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