org.eclipse.modisco.infra.query/src-gen/org/eclipse/gmt/modisco/infra/query/util/QuerySwitch.java

/**
 * Copyright (c) 2009 Mia-Software.
 * 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:
 *     Frederic Madiot (Mia-Software) - meta-model design
 *     Gregoire DUPE (Mia-Software) - design and implementation
 * 
 *
 * $Id$
 */
package org.eclipse.gmt.modisco.infra.query.util;

import java.util.List;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmt.modisco.infra.query.*;
import org.eclipse.gmt.modisco.infra.query.JavaModelQuery;
import org.eclipse.gmt.modisco.infra.query.ModelQuery;
import org.eclipse.gmt.modisco.infra.query.ModelQueryParameter;
import org.eclipse.gmt.modisco.infra.query.ModelQuerySet;
import org.eclipse.gmt.modisco.infra.query.OCLModelQuery;
import org.eclipse.gmt.modisco.infra.query.QueryPackage;

/**
 * <!-- 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.gmt.modisco.infra.query.QueryPackage
 * @generated
 */
public class QuerySwitch<T> {
	/**
	 * The cached model package
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected static QueryPackage modelPackage;

	/**
	 * Creates an instance of the switch.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public QuerySwitch() {
		if (modelPackage == null) {
			modelPackage = QueryPackage.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 QueryPackage.MODEL_QUERY_SET: {
				ModelQuerySet modelQuerySet = (ModelQuerySet)theEObject;
				T result = caseModelQuerySet(modelQuerySet);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case QueryPackage.MODEL_QUERY: {
				ModelQuery modelQuery = (ModelQuery)theEObject;
				T result = caseModelQuery(modelQuery);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case QueryPackage.JAVA_MODEL_QUERY: {
				JavaModelQuery javaModelQuery = (JavaModelQuery)theEObject;
				T result = caseJavaModelQuery(javaModelQuery);
				if (result == null) result = caseModelQuery(javaModelQuery);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case QueryPackage.MODEL_QUERY_PARAMETER: {
				ModelQueryParameter modelQueryParameter = (ModelQueryParameter)theEObject;
				T result = caseModelQueryParameter(modelQueryParameter);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case QueryPackage.OCL_MODEL_QUERY: {
				OCLModelQuery oclModelQuery = (OCLModelQuery)theEObject;
				T result = caseOCLModelQuery(oclModelQuery);
				if (result == null) result = caseModelQuery(oclModelQuery);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			default: return defaultCase(theEObject);
		}
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Model Query Set</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>Model Query Set</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseModelQuerySet(ModelQuerySet object) {
		return null;
	}

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

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

	/**
	 * Returns the result of interpreting the object as an instance of '<em>Model Query Parameter</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>Model Query Parameter</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseModelQueryParameter(ModelQueryParameter object) {
		return null;
	}

	/**
	 * Returns the result of interpreting the object as an instance of '<em>OCL Model Query</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>OCL Model Query</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public T caseOCLModelQuery(OCLModelQuery 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;
	}

} //QuerySwitch