plugins/org.eclipse.viatra2.gtasm.model/src/org/eclipse/viatra2/gtasmmodel/vpm/editmodel/impl/RelationImpl.java

/**
 *  * Copyright (c) 2006-2010 Istvan Rath and Daniel Varro
 *  * 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:
 *  *    Istvan Rath, Daniel Varro - initial API and implementation
 * 
 */
package org.eclipse.viatra2.gtasmmodel.vpm.editmodel.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.emf.ecore.util.EcoreUtil;

import org.eclipse.viatra2.gtasmmodel.vpm.editmodel.EditmodelPackage;
import org.eclipse.viatra2.gtasmmodel.vpm.editmodel.ModelElement;
import org.eclipse.viatra2.gtasmmodel.vpm.editmodel.Relation;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Relation</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.vpm.editmodel.impl.RelationImpl#getTo <em>To</em>}</li>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.vpm.editmodel.impl.RelationImpl#getFromStr <em>From Str</em>}</li>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.vpm.editmodel.impl.RelationImpl#getToStr <em>To Str</em>}</li>
 *   <li>{@link org.eclipse.viatra2.gtasmmodel.vpm.editmodel.impl.RelationImpl#getFrom <em>From</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class RelationImpl extends ModelElementImpl implements Relation
{
  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public static final String copyright = " * Copyright (c) 2006-2010 Istvan Rath and Daniel Varro\r\n * All rights reserved. This program and the accompanying materials\r\n * are made available under the terms of the Eclipse Public License v1.0\r\n * which accompanies this distribution, and is available at\r\n * http://www.eclipse.org/legal/epl-v10.html\r\n *\r\n * Contributors:\r\n *    Istvan Rath, Daniel Varro - initial API and implementation\r\n";

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

  /**
   * The default value of the '{@link #getFromStr() <em>From Str</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getFromStr()
   * @generated
   * @ordered
   */
  protected static final String FROM_STR_EDEFAULT = null;

  /**
   * The cached value of the '{@link #getFromStr() <em>From Str</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getFromStr()
   * @generated
   * @ordered
   */
  protected String fromStr = FROM_STR_EDEFAULT;

  /**
   * The default value of the '{@link #getToStr() <em>To Str</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getToStr()
   * @generated
   * @ordered
   */
  protected static final String TO_STR_EDEFAULT = null;

  /**
   * The cached value of the '{@link #getToStr() <em>To Str</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getToStr()
   * @generated
   * @ordered
   */
  protected String toStr = TO_STR_EDEFAULT;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public ModelElement getTo()
  {
    if (to != null && to.eIsProxy())
    {
      InternalEObject oldTo = (InternalEObject)to;
      to = (ModelElement)eResolveProxy(oldTo);
      if (to != oldTo)
      {
        if (eNotificationRequired())
          eNotify(new ENotificationImpl(this, Notification.RESOLVE, EditmodelPackage.RELATION__TO, oldTo, to));
      }
    }
    return to;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public ModelElement basicGetTo()
  {
    return to;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetTo(ModelElement newTo, NotificationChain msgs)
  {
    ModelElement oldTo = to;
    to = newTo;
    if (eNotificationRequired())
    {
      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EditmodelPackage.RELATION__TO, oldTo, newTo);
      if (msgs == null) msgs = notification; else msgs.add(notification);
    }
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setTo(ModelElement newTo)
  {
    if (newTo != to)
    {
      NotificationChain msgs = null;
      if (to != null)
        msgs = ((InternalEObject)to).eInverseRemove(this, EditmodelPackage.MODEL_ELEMENT__RELATIONS_TO, ModelElement.class, msgs);
      if (newTo != null)
        msgs = ((InternalEObject)newTo).eInverseAdd(this, EditmodelPackage.MODEL_ELEMENT__RELATIONS_TO, ModelElement.class, msgs);
      msgs = basicSetTo(newTo, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EditmodelPackage.RELATION__TO, newTo, newTo));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public String getFromStr()
  {
    return fromStr;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setFromStr(String newFromStr)
  {
    String oldFromStr = fromStr;
    fromStr = newFromStr;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EditmodelPackage.RELATION__FROM_STR, oldFromStr, fromStr));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public String getToStr()
  {
    return toStr;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setToStr(String newToStr)
  {
    String oldToStr = toStr;
    toStr = newToStr;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EditmodelPackage.RELATION__TO_STR, oldToStr, toStr));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public ModelElement getFrom()
  {
    if (eContainerFeatureID() != EditmodelPackage.RELATION__FROM) return null;
    return (ModelElement)eContainer();
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public NotificationChain basicSetFrom(ModelElement newFrom, NotificationChain msgs)
  {
    msgs = eBasicSetContainer((InternalEObject)newFrom, EditmodelPackage.RELATION__FROM, msgs);
    return msgs;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setFrom(ModelElement newFrom)
  {
    if (newFrom != eInternalContainer() || (eContainerFeatureID() != EditmodelPackage.RELATION__FROM && newFrom != null))
    {
      if (EcoreUtil.isAncestor(this, newFrom))
        throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
      NotificationChain msgs = null;
      if (eInternalContainer() != null)
        msgs = eBasicRemoveFromContainer(msgs);
      if (newFrom != null)
        msgs = ((InternalEObject)newFrom).eInverseAdd(this, EditmodelPackage.MODEL_ELEMENT__RELATIONS_FROM, ModelElement.class, msgs);
      msgs = basicSetFrom(newFrom, msgs);
      if (msgs != null) msgs.dispatch();
    }
    else if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, EditmodelPackage.RELATION__FROM, newFrom, newFrom));
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case EditmodelPackage.RELATION__TO:
        if (to != null)
          msgs = ((InternalEObject)to).eInverseRemove(this, EditmodelPackage.MODEL_ELEMENT__RELATIONS_TO, ModelElement.class, msgs);
        return basicSetTo((ModelElement)otherEnd, msgs);
      case EditmodelPackage.RELATION__FROM:
        if (eInternalContainer() != null)
          msgs = eBasicRemoveFromContainer(msgs);
        return basicSetFrom((ModelElement)otherEnd, msgs);
    }
    return super.eInverseAdd(otherEnd, featureID, msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case EditmodelPackage.RELATION__TO:
        return basicSetTo(null, msgs);
      case EditmodelPackage.RELATION__FROM:
        return basicSetFrom(null, msgs);
    }
    return super.eInverseRemove(otherEnd, featureID, msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs)
  {
    switch (eContainerFeatureID())
    {
      case EditmodelPackage.RELATION__FROM:
        return eInternalContainer().eInverseRemove(this, EditmodelPackage.MODEL_ELEMENT__RELATIONS_FROM, ModelElement.class, msgs);
    }
    return super.eBasicRemoveFromContainerFeature(msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Object eGet(int featureID, boolean resolve, boolean coreType)
  {
    switch (featureID)
    {
      case EditmodelPackage.RELATION__TO:
        if (resolve) return getTo();
        return basicGetTo();
      case EditmodelPackage.RELATION__FROM_STR:
        return getFromStr();
      case EditmodelPackage.RELATION__TO_STR:
        return getToStr();
      case EditmodelPackage.RELATION__FROM:
        return getFrom();
    }
    return super.eGet(featureID, resolve, coreType);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
      case EditmodelPackage.RELATION__TO:
        setTo((ModelElement)newValue);
        return;
      case EditmodelPackage.RELATION__FROM_STR:
        setFromStr((String)newValue);
        return;
      case EditmodelPackage.RELATION__TO_STR:
        setToStr((String)newValue);
        return;
      case EditmodelPackage.RELATION__FROM:
        setFrom((ModelElement)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case EditmodelPackage.RELATION__TO:
        setTo((ModelElement)null);
        return;
      case EditmodelPackage.RELATION__FROM_STR:
        setFromStr(FROM_STR_EDEFAULT);
        return;
      case EditmodelPackage.RELATION__TO_STR:
        setToStr(TO_STR_EDEFAULT);
        return;
      case EditmodelPackage.RELATION__FROM:
        setFrom((ModelElement)null);
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case EditmodelPackage.RELATION__TO:
        return to != null;
      case EditmodelPackage.RELATION__FROM_STR:
        return FROM_STR_EDEFAULT == null ? fromStr != null : !FROM_STR_EDEFAULT.equals(fromStr);
      case EditmodelPackage.RELATION__TO_STR:
        return TO_STR_EDEFAULT == null ? toStr != null : !TO_STR_EDEFAULT.equals(toStr);
      case EditmodelPackage.RELATION__FROM:
        return getFrom() != null;
    }
    return super.eIsSet(featureID);
  }

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

    StringBuffer result = new StringBuffer(super.toString());
    result.append(" (fromStr: ");
    result.append(fromStr);
    result.append(", toStr: ");
    result.append(toStr);
    result.append(')');
    return result.toString();
  }

} //RelationImpl