/*******************************************************************************
 *  Copyright (c) 2006, 2007  Oracle. 
 *  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: 
 *  	Oracle - initial API and implementation
 *******************************************************************************/

package org.eclipse.jpt.core.internal.resource.persistence.util;

import java.util.List;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jpt.core.internal.resource.persistence.PersistencePackage;
import org.eclipse.jpt.core.internal.resource.persistence.XmlJavaClassRef;
import org.eclipse.jpt.core.internal.resource.persistence.XmlMappingFileRef;
import org.eclipse.jpt.core.internal.resource.persistence.XmlPersistence;
import org.eclipse.jpt.core.internal.resource.persistence.XmlPersistenceUnit;
import org.eclipse.jpt.core.internal.resource.persistence.XmlProperties;
import org.eclipse.jpt.core.internal.resource.persistence.XmlProperty;

/**
 * <!-- 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.jpt.core.internal.resource.persistence.PersistencePackage
 * @generated
 */
public class PersistenceSwitch<T>
{
	/**
	 * The cached model package
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected static PersistencePackage modelPackage;

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

	/**
	 * 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
	 */
	public T doSwitch(EObject theEObject)
	{
		return doSwitch(theEObject.eClass(), theEObject);
	}

	/**
	 * 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
	 */
	protected T doSwitch(EClass theEClass, EObject theEObject)
	{
		if (theEClass.eContainer() == modelPackage)
		{
			return doSwitch(theEClass.getClassifierID(), theEObject);
		}
		else
		{
			List<EClass> eSuperTypes = theEClass.getESuperTypes();
			return
				eSuperTypes.isEmpty() ?
					defaultCase(theEObject) :
					doSwitch(eSuperTypes.get(0), theEObject);
		}
	}

	/**
	 * 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
	 */
	protected T doSwitch(int classifierID, EObject theEObject)
	{
		switch (classifierID)
		{
			case PersistencePackage.XML_PERSISTENCE:
			{
				XmlPersistence xmlPersistence = (XmlPersistence)theEObject;
				T result = caseXmlPersistence(xmlPersistence);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case PersistencePackage.XML_PERSISTENCE_UNIT:
			{
				XmlPersistenceUnit xmlPersistenceUnit = (XmlPersistenceUnit)theEObject;
				T result = caseXmlPersistenceUnit(xmlPersistenceUnit);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case PersistencePackage.XML_MAPPING_FILE_REF:
			{
				XmlMappingFileRef xmlMappingFileRef = (XmlMappingFileRef)theEObject;
				T result = caseXmlMappingFileRef(xmlMappingFileRef);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case PersistencePackage.XML_JAVA_CLASS_REF:
			{
				XmlJavaClassRef xmlJavaClassRef = (XmlJavaClassRef)theEObject;
				T result = caseXmlJavaClassRef(xmlJavaClassRef);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case PersistencePackage.XML_PROPERTIES:
			{
				XmlProperties xmlProperties = (XmlProperties)theEObject;
				T result = caseXmlProperties(xmlProperties);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case PersistencePackage.XML_PROPERTY:
			{
				XmlProperty xmlProperty = (XmlProperty)theEObject;
				T result = caseXmlProperty(xmlProperty);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			default: return defaultCase(theEObject);
		}
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Xml Persistence</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>Xml Persistence</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseXmlPersistence(XmlPersistence object)
	{
		return null;
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Xml Persistence Unit</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>Xml Persistence Unit</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseXmlPersistenceUnit(XmlPersistenceUnit object)
	{
		return null;
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Xml Mapping File Ref</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>Xml Mapping File Ref</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseXmlMappingFileRef(XmlMappingFileRef object)
	{
		return null;
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Xml Java Class Ref</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>Xml Java Class Ref</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseXmlJavaClassRef(XmlJavaClassRef object)
	{
		return null;
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Xml Properties</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>Xml Properties</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseXmlProperties(XmlProperties object)
	{
		return null;
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Xml Property</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>Xml Property</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseXmlProperty(XmlProperty 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
	 */
	public T defaultCase(EObject object)
	{
		return null;
	}

} //PersistenceSwitch