/**
* <copyright>
* </copyright>
*
* $Id$
*/
package dataaccess.query.util;
import data.classes.InScope;
import data.classes.TypedElement;
import dataaccess.expressions.Expression;
import dataaccess.expressions.ObjectBasedExpression;
import dataaccess.query.*;
import java.util.List;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
/**
* <!-- 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 dataaccess.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.SELECTION: {
Selection selection = (Selection)theEObject;
T result = caseSelection(selection);
if (result == null) result = caseObjectBasedExpression(selection);
if (result == null) result = caseExpression(selection);
if (result == null) result = caseTypedElement(selection);
if (result == null) result = caseInScope(selection);
if (result == null) result = defaultCase(theEObject);
return result;
}
case QueryPackage.OQL_QUERY: {
OqlQuery oqlQuery = (OqlQuery)theEObject;
T result = caseOqlQuery(oqlQuery);
if (result == null) result = caseExpression(oqlQuery);
if (result == null) result = caseTypedElement(oqlQuery);
if (result == null) result = caseInScope(oqlQuery);
if (result == null) result = defaultCase(theEObject);
return result;
}
case QueryPackage.FROM_CLAUSE: {
FromClause fromClause = (FromClause)theEObject;
T result = caseFromClause(fromClause);
if (result == null) result = defaultCase(theEObject);
return result;
}
default: return defaultCase(theEObject);
}
}
/**
* Returns the result of interpreting the object as an instance of '<em>Selection</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>Selection</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseSelection(Selection object) {
return null;
}
/**
* Returns the result of interpreting the object as an instance of '<em>Oql 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>Oql Query</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseOqlQuery(OqlQuery object) {
return null;
}
/**
* Returns the result of interpreting the object as an instance of '<em>From Clause</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>From Clause</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseFromClause(FromClause object) {
return null;
}
/**
* Returns the result of interpreting the object as an instance of '<em>Typed 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>Typed Element</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseTypedElement(TypedElement object) {
return null;
}
/**
* Returns the result of interpreting the object as an instance of '<em>In Scope</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>In Scope</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseInScope(InScope object) {
return null;
}
/**
* Returns the result of interpreting the object as an instance of '<em>Expression</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>Expression</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseExpression(Expression object) {
return null;
}
/**
* Returns the result of interpreting the object as an instance of '<em>Object Based Expression</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>Object Based Expression</em>'.
* @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
* @generated
*/
public T caseObjectBasedExpression(ObjectBasedExpression 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