/**
 * Copyright (c) 2003-2006 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
 */
package org.eclipse.emf.ecore.change.util;

import java.util.Map;

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.change.*;
import org.eclipse.emf.ecore.util.Switch;


/**
 * <!-- begin-user-doc -->
 * The <b>Switch</b> for the model's inheritance hierarchy.
 * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
 * to invoke the <code>caseXXX</code> method for each class of the model,
 * starting with the actual class of the object
 * and proceeding up the inheritance hierarchy
 * until a non-null result is returned,
 * which is the result of the switch.
 * <!-- end-user-doc -->
 * @see org.eclipse.emf.ecore.change.ChangePackage
 * @generated
 */
public class ChangeSwitch<T> extends Switch<T>
{
  /**
   * The cached model package
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected static ChangePackage modelPackage;

  /**
   * Creates an instance of the switch.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public ChangeSwitch()
  {
    if (modelPackage == null)
    {
      modelPackage = ChangePackage.eINSTANCE;
    }
  }

  /**
   * Checks whether this is a switch for the given package.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @parameter ePackage the package in question.
   * @return whether this is a switch for the given package.
   * @generated
   */
  @Override
  protected boolean isSwitchFor(EPackage ePackage)
  {
    return ePackage == modelPackage;
  }

  /**
   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @return the first non-null result returned by a <code>caseXXX</code> call.
   * @generated
   */
  @Override
  protected T doSwitch(int classifierID, EObject theEObject)
  {
    switch (classifierID)
    {
      case ChangePackage.CHANGE_DESCRIPTION:
      {
        ChangeDescription changeDescription = (ChangeDescription)theEObject;
        T result = caseChangeDescription(changeDescription);
        if (result == null) result = defaultCase(theEObject);
        return result;
      }
      case ChangePackage.EOBJECT_TO_CHANGES_MAP_ENTRY:
      {
        @SuppressWarnings("unchecked") Map.Entry<EObject, EList<FeatureChange>> eObjectToChangesMapEntry = (Map.Entry<EObject, EList<FeatureChange>>)theEObject;
        T result = caseEObjectToChangesMapEntry(eObjectToChangesMapEntry);
        if (result == null) result = defaultCase(theEObject);
        return result;
      }
      case ChangePackage.FEATURE_CHANGE:
      {
        FeatureChange featureChange = (FeatureChange)theEObject;
        T result = caseFeatureChange(featureChange);
        if (result == null) result = defaultCase(theEObject);
        return result;
      }
      case ChangePackage.LIST_CHANGE:
      {
        ListChange listChange = (ListChange)theEObject;
        T result = caseListChange(listChange);
        if (result == null) result = defaultCase(theEObject);
        return result;
      }
      case ChangePackage.RESOURCE_CHANGE:
      {
        ResourceChange resourceChange = (ResourceChange)theEObject;
        T result = caseResourceChange(resourceChange);
        if (result == null) result = defaultCase(theEObject);
        return result;
      }
      case ChangePackage.FEATURE_MAP_ENTRY:
      {
        FeatureMapEntry featureMapEntry = (FeatureMapEntry)theEObject;
        T result = caseFeatureMapEntry(featureMapEntry);
        if (result == null) result = defaultCase(theEObject);
        return result;
      }
      default: return defaultCase(theEObject);
    }
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>Description</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>Description</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
   * @generated
   */
  public T caseChangeDescription(ChangeDescription object)
  {
    return null;
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>EObject To Changes Map Entry</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>EObject To Changes Map Entry</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
   * @generated
   */
  public T caseEObjectToChangesMapEntry(Map.Entry<EObject, EList<FeatureChange>> object)
  {
    return null;
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>Feature Change</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>Feature Change</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
   * @generated
   */
  public T caseFeatureChange(FeatureChange object)
  {
    return null;
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>List Change</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>List Change</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
   * @generated
   */
  public T caseListChange(ListChange object)
  {
    return null;
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>Resource Change</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>Resource Change</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
   * @generated
   */
  public T caseResourceChange(ResourceChange object)
  {
    return null;
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>Feature Map Entry</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>Feature Map Entry</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
   * @generated
   */
  public T caseFeatureMapEntry(FeatureMapEntry object)
  {
    return null;
  }

  /**
   * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
   * <!-- begin-user-doc -->
   * This implementation returns null;
   * returning a non-null result will terminate the switch, but this is the last case anyway.
   * <!-- end-user-doc -->
   * @param object the target of the switch.
   * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
   * @see #doSwitch(org.eclipse.emf.ecore.EObject)
   * @generated
   */
  @Override
  public T defaultCase(EObject object)
  {
    return null;
  }

} //ChangeSwitch
