/*******************************************************************************
 * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 * BMW Car IT - Initial API and implementation
 * Technische Universitaet Muenchen - Major refactoring and extension
 *******************************************************************************/
package org.eclipse.emf.edapt.declaration.util;

import java.util.List;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edapt.declaration.Constraint;
import org.eclipse.emf.edapt.declaration.DeclarationPackage;
import org.eclipse.emf.edapt.declaration.IdentifiedElement;
import org.eclipse.emf.edapt.declaration.Library;
import org.eclipse.emf.edapt.declaration.Operation;
import org.eclipse.emf.edapt.declaration.Parameter;

/**
 * <!-- 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.edapt.declaration.DeclarationPackage
 * @generated
 */
public class DeclarationSwitch<T> {
	/**
	 * The cached model package
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected static DeclarationPackage modelPackage;

	/**
	 * Creates an instance of the switch.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public DeclarationSwitch() {
		if (modelPackage == null) {
			modelPackage = DeclarationPackage.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);
		}
		final 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 DeclarationPackage.IDENTIFIED_ELEMENT: {
			final IdentifiedElement identifiedElement = (IdentifiedElement) theEObject;
			T result = caseIdentifiedElement(identifiedElement);
			if (result == null) {
				result = defaultCase(theEObject);
			}
			return result;
		}
		case DeclarationPackage.LIBRARY: {
			final Library library = (Library) theEObject;
			T result = caseLibrary(library);
			if (result == null) {
				result = caseIdentifiedElement(library);
			}
			if (result == null) {
				result = defaultCase(theEObject);
			}
			return result;
		}
		case DeclarationPackage.OPERATION: {
			final Operation operation = (Operation) theEObject;
			T result = caseOperation(operation);
			if (result == null) {
				result = caseIdentifiedElement(operation);
			}
			if (result == null) {
				result = defaultCase(theEObject);
			}
			return result;
		}
		case DeclarationPackage.PARAMETER: {
			final Parameter parameter = (Parameter) theEObject;
			T result = caseParameter(parameter);
			if (result == null) {
				result = caseIdentifiedElement(parameter);
			}
			if (result == null) {
				result = defaultCase(theEObject);
			}
			return result;
		}
		case DeclarationPackage.CONSTRAINT: {
			final Constraint constraint = (Constraint) theEObject;
			T result = caseConstraint(constraint);
			if (result == null) {
				result = caseIdentifiedElement(constraint);
			}
			if (result == null) {
				result = defaultCase(theEObject);
			}
			return result;
		}
		default:
			return defaultCase(theEObject);
		}
	}

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

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

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

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

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

} // DeclarationSwitch