/*******************************************************************************
* Copyright (c) 2006, 2009 IBM Corporation, Zeligsoft Inc., and others.
* 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:
* IBM - Initial API and implementation
* Zeligsoft - Bug 207365
*******************************************************************************/
package org.eclipse.ocl.expressions.impl;
import java.util.Map;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.ocl.expressions.ExpressionsPackage;
import org.eclipse.ocl.expressions.Variable;
import org.eclipse.ocl.expressions.VariableExp;
import org.eclipse.ocl.expressions.operations.VariableExpOperations;
import org.eclipse.ocl.utilities.Visitor;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Variable Exp</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* </p>
* <ul>
* <li>{@link org.eclipse.ocl.expressions.impl.VariableExpImpl#getReferredVariable <em>Referred Variable</em>}</li>
* </ul>
*
* @generated
*/
public class VariableExpImpl<C, PM>
extends OCLExpressionImpl<C>
implements VariableExp<C, PM> {
/**
* The cached value of the '{@link #getReferredVariable() <em>Referred Variable</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getReferredVariable()
* @generated
* @ordered
*/
protected Variable<C, PM> referredVariable;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected VariableExpImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return ExpressionsPackage.Literals.VARIABLE_EXP;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
public Variable<C, PM> getReferredVariable() {
if (referredVariable != null && referredVariable.eIsProxy()) {
InternalEObject oldReferredVariable = (InternalEObject) referredVariable;
referredVariable = (Variable<C, PM>) eResolveProxy(
oldReferredVariable);
if (referredVariable != oldReferredVariable) {
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE,
ExpressionsPackage.VARIABLE_EXP__REFERRED_VARIABLE,
oldReferredVariable, referredVariable));
}
}
return referredVariable;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Variable<C, PM> basicGetReferredVariable() {
return referredVariable;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setReferredVariable(Variable<C, PM> newReferredVariable) {
Variable<C, PM> oldReferredVariable = referredVariable;
referredVariable = newReferredVariable;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
ExpressionsPackage.VARIABLE_EXP__REFERRED_VARIABLE,
oldReferredVariable, referredVariable));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean checkVarType(DiagnosticChain diagnostics,
Map<Object, Object> context) {
return VariableExpOperations.checkVarType(this, diagnostics, context);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case ExpressionsPackage.VARIABLE_EXP__REFERRED_VARIABLE :
if (resolve)
return getReferredVariable();
return basicGetReferredVariable();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case ExpressionsPackage.VARIABLE_EXP__REFERRED_VARIABLE :
setReferredVariable((Variable<C, PM>) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case ExpressionsPackage.VARIABLE_EXP__REFERRED_VARIABLE :
setReferredVariable((Variable<C, PM>) null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case ExpressionsPackage.VARIABLE_EXP__REFERRED_VARIABLE :
return referredVariable != null;
}
return super.eIsSet(featureID);
}
/**
* @generated NOT
*/
@Override
@SuppressWarnings("unchecked")
public <T, U extends Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?>> T accept(U v) {
return ((Visitor<T, C, ?, ?, ?, PM, ?, ?, ?, ?>) v)
.visitVariableExp(this);
}
} //VariableExpImpl