/**
* <copyright>
* </copyright>
*
* $Id$
*/
package no.hal.scxml.scxmlxt.impl;
import java.util.Collection;
import no.hal.scxml.scxmlxt.EPath;
import no.hal.scxml.scxmlxt.EStep;
import no.hal.scxml.scxmlxt.ScxmlxtPackage;
import no.hal.scxml.scxmlxt.VarRef;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>EPath</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link no.hal.scxml.scxmlxt.impl.EPathImpl#getVar <em>Var</em>}</li>
* <li>{@link no.hal.scxml.scxmlxt.impl.EPathImpl#getSteps <em>Steps</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class EPathImpl extends ExpressionImpl implements EPath {
/**
* The cached value of the '{@link #getVar() <em>Var</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getVar()
* @generated
* @ordered
*/
protected VarRef var;
/**
* The cached value of the '{@link #getSteps() <em>Steps</em>}' containment reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getSteps()
* @generated
* @ordered
*/
protected EList<EStep> steps;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EPathImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return ScxmlxtPackage.Literals.EPATH;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public VarRef getVar() {
return var;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetVar(VarRef newVar, NotificationChain msgs) {
VarRef oldVar = var;
var = newVar;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ScxmlxtPackage.EPATH__VAR, oldVar, newVar);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setVar(VarRef newVar) {
if (newVar != var) {
NotificationChain msgs = null;
if (var != null)
msgs = ((InternalEObject)var).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ScxmlxtPackage.EPATH__VAR, null, msgs);
if (newVar != null)
msgs = ((InternalEObject)newVar).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ScxmlxtPackage.EPATH__VAR, null, msgs);
msgs = basicSetVar(newVar, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ScxmlxtPackage.EPATH__VAR, newVar, newVar));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<EStep> getSteps() {
if (steps == null) {
steps = new EObjectContainmentEList<EStep>(EStep.class, this, ScxmlxtPackage.EPATH__STEPS);
}
return steps;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case ScxmlxtPackage.EPATH__VAR:
return basicSetVar(null, msgs);
case ScxmlxtPackage.EPATH__STEPS:
return ((InternalEList<?>)getSteps()).basicRemove(otherEnd, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case ScxmlxtPackage.EPATH__VAR:
return getVar();
case ScxmlxtPackage.EPATH__STEPS:
return getSteps();
}
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 ScxmlxtPackage.EPATH__VAR:
setVar((VarRef)newValue);
return;
case ScxmlxtPackage.EPATH__STEPS:
getSteps().clear();
getSteps().addAll((Collection<? extends EStep>)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case ScxmlxtPackage.EPATH__VAR:
setVar((VarRef)null);
return;
case ScxmlxtPackage.EPATH__STEPS:
getSteps().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case ScxmlxtPackage.EPATH__VAR:
return var != null;
case ScxmlxtPackage.EPATH__STEPS:
return steps != null && !steps.isEmpty();
}
return super.eIsSet(featureID);
}
} //EPathImpl