ExpressionsSwitch.java

/**
 * <copyright> </copyright>
 * 
 * $Id$
 */
package org.talend.dataquality.expressions.util;

import java.util.List;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.talend.dataquality.expressions.BooleanExpressionNode;
import org.talend.dataquality.expressions.ExpressionsPackage;
import orgomg.cwm.foundation.expressions.ExpressionNode;
import orgomg.cwm.objectmodel.core.Element;

/**
 * <!-- 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.talend.dataquality.expressions.ExpressionsPackage
 * @generated
 */
public class ExpressionsSwitch<T> {

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

    /**
     * Creates an instance of the switch.
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * @generated
     */
    public ExpressionsSwitch() {
        if (modelPackage == null) {
            modelPackage = ExpressionsPackage.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 ExpressionsPackage.BOOLEAN_EXPRESSION_NODE: {
                BooleanExpressionNode booleanExpressionNode = (BooleanExpressionNode)theEObject;
                T result = caseBooleanExpressionNode(booleanExpressionNode);
                if (result == null) result = caseExpressionNode(booleanExpressionNode);
                if (result == null) result = caseElement(booleanExpressionNode);
                if (result == null) result = defaultCase(theEObject);
                return result;
            }
            default: return defaultCase(theEObject);
        }
    }

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

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

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

} // ExpressionsSwitch