/*
* Copyright (c) 2003- michael lawley and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation
* which accompanies this distribution, and is available by writing to
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Contributors:
* michael lawley
*
*
*/
package tefkat.model.impl;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import tefkat.model.Var;
import tefkat.model.CompoundExpr;
import tefkat.model.Expression;
import tefkat.model.TefkatFactory;
import tefkat.model.TefkatPackage;
import tefkat.model.VarUse;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Var Use</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link tefkat.model.impl.VarUseImpl#getVar <em>Var</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class VarUseImpl extends ExpressionImpl implements VarUse {
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public static final String copyright = "Copyright michael lawley Pty Ltd 2003-2007";
/**
* The cached value of the '{@link #getVar() <em>Var</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getVar()
* @generated
* @ordered
*/
protected Var var = null;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected VarUseImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EClass eStaticClass() {
return TefkatPackage.Literals.VAR_USE;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Var getVar() {
if (var != null && var.eIsProxy()) {
InternalEObject oldVar = (InternalEObject)var;
var = (Var)eResolveProxy(oldVar);
if (var != oldVar) {
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, TefkatPackage.VAR_USE__VAR, oldVar, var));
}
}
return var;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Var basicGetVar() {
return var;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetVar(Var newVar, NotificationChain msgs) {
Var oldVar = var;
var = newVar;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, TefkatPackage.VAR_USE__VAR, oldVar, newVar);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setVar(Var newVar) {
if (newVar != var) {
NotificationChain msgs = null;
if (var != null)
msgs = ((InternalEObject)var).eInverseRemove(this, TefkatPackage.VAR__USAGES, Var.class, msgs);
if (newVar != null)
msgs = ((InternalEObject)newVar).eInverseAdd(this, TefkatPackage.VAR__USAGES, Var.class, msgs);
msgs = basicSetVar(newVar, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, TefkatPackage.VAR_USE__VAR, newVar, newVar));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case TefkatPackage.VAR_USE__VAR:
if (var != null)
msgs = ((InternalEObject)var).eInverseRemove(this, TefkatPackage.VAR__USAGES, Var.class, msgs);
return basicSetVar((Var)otherEnd, msgs);
}
return super.eInverseAdd(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case TefkatPackage.VAR_USE__VAR:
return basicSetVar(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case TefkatPackage.VAR_USE__VAR:
if (resolve) return getVar();
return basicGetVar();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case TefkatPackage.VAR_USE__VAR:
setVar((Var)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eUnset(int featureID) {
switch (featureID) {
case TefkatPackage.VAR_USE__VAR:
setVar((Var)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean eIsSet(int featureID) {
switch (featureID) {
case TefkatPackage.VAR_USE__VAR:
return var != null;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* Create a (deep) copy of this instance.
* Contained EObjects are also copied while referenced EObjects are not.
* <!-- end-user-doc -->
*/
public Expression copy() {
VarUse copy = TefkatFactory.eINSTANCE.createVarUse();
copy.setVar(getVar());
return copy;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public String toString() {
if (eIsProxy()) return super.toString();
return String.valueOf(var);
}
} //VarUseImpl