jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/util/MetadataSwitch.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id: MetadataSwitch.java,v 1.7 2008/11/18 22:24:36 gkessler Exp $
 */
package org.eclipse.jst.jsf.common.metadata.internal.util;


import java.util.List;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jst.jsf.common.metadata.Entity;
import org.eclipse.jst.jsf.common.metadata.EntityGroup;
import org.eclipse.jst.jsf.common.metadata.IncludeEntityGroup;
import org.eclipse.jst.jsf.common.metadata.MetadataPackage;
import org.eclipse.jst.jsf.common.metadata.Model;
import org.eclipse.jst.jsf.common.metadata.Trait;



/**
 * <!-- 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.jst.jsf.common.metadata.MetadataPackage
 * @generated
 */
public class MetadataSwitch {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static final String copyright = "Copyright (c) 2007 Oracle Corporation"; //$NON-NLS-1$

	/**
	 * The cached model package
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected static MetadataPackage modelPackage;

	/**
	 * Creates an instance of the switch.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public MetadataSwitch() {
		if (modelPackage == null) {
			modelPackage = MetadataPackage.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 -->
	 * @param theEObject 
	 * @return the first non-null result returned by a <code>caseXXX</code> call.
	 * @generated
	 */
	public Object 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 -->
	 * @param theEClass 
	 * @param theEObject 
	 * @return the first non-null result returned by a <code>caseXXX</code> call.
	 * @generated
	 */
	protected Object doSwitch(EClass theEClass, EObject theEObject) {
		if (theEClass.eContainer() == modelPackage) {
			return doSwitch(theEClass.getClassifierID(), theEObject);
		}
		List eSuperTypes = theEClass.getESuperTypes();
		return
			eSuperTypes.isEmpty() ?
				defaultCase(theEObject) :
				doSwitch((EClass)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 -->
	 * @param classifierID 
	 * @param theEObject 
	 * @return the first non-null result returned by a <code>caseXXX</code> call.
	 * @generated
	 */
	protected Object doSwitch(int classifierID, EObject theEObject) {
		switch (classifierID) {
			case MetadataPackage.MODEL: {
				Model model = (Model)theEObject;
				Object result = caseModel(model);
				if (result == null) result = caseEntity(model);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MetadataPackage.ENTITY_GROUP: {
				EntityGroup entityGroup = (EntityGroup)theEObject;
				Object result = caseEntityGroup(entityGroup);
				if (result == null) result = caseEntity(entityGroup);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MetadataPackage.ENTITY: {
				Entity entity = (Entity)theEObject;
				Object result = caseEntity(entity);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MetadataPackage.TRAIT: {
				Trait trait = (Trait)theEObject;
				Object result = caseTrait(trait);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case MetadataPackage.INCLUDE_ENTITY_GROUP: {
				IncludeEntityGroup includeEntityGroup = (IncludeEntityGroup)theEObject;
				Object result = caseIncludeEntityGroup(includeEntityGroup);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			default: return defaultCase(theEObject);
		}
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Trait</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 interpretting the object as an instance of '<em>Trait</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseTrait(Trait object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Include Entity Group</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 interpretting the object as an instance of '<em>Include Entity Group</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseIncludeEntityGroup(IncludeEntityGroup object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Model</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 interpretting the object as an instance of '<em>Model</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseModel(Model object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Entity</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 interpretting the object as an instance of '<em>Entity</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseEntity(Entity object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Entity Group</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 interpretting the object as an instance of '<em>Entity Group</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseEntityGroup(EntityGroup object) {
		return null;
	}

	/**
	 * Returns the result of interpretting 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 interpretting the object as an instance of '<em>EObject</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
	 * @generated
	 */
	public Object defaultCase(EObject object) {
		return null;
	}

} //MetadataSwitch