/*******************************************************************************
* Copyright (c) 2008, 2011 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.eef.mapping.navigation.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.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.eef.mapping.EMFElementBinding;
import org.eclipse.emf.eef.mapping.EMFPropertyBinding;
import org.eclipse.emf.eef.mapping.navigation.ChainedModelNavigation;
import org.eclipse.emf.eef.mapping.navigation.NavigationPackage;
import org.eclipse.emf.eef.mapping.navigation.SimpleModelNavigation;
import org.eclipse.emf.eef.mapping.navigation.StructuredModelNavigation;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Chained Model Navigation</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.eef.mapping.navigation.impl.ChainedModelNavigationImpl#getCurrent <em>Current</em>}</li>
* <li>{@link org.eclipse.emf.eef.mapping.navigation.impl.ChainedModelNavigationImpl#getNext <em>Next</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class ChainedModelNavigationImpl extends StructuredModelNavigationImpl
implements ChainedModelNavigation {
/**
* The cached value of the '{@link #getCurrent() <em>Current</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getCurrent()
* @generated
* @ordered
*/
protected StructuredModelNavigation current;
/**
* The cached value of the '{@link #getNext() <em>Next</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getNext()
* @generated
* @ordered
*/
protected StructuredModelNavigation next;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ChainedModelNavigationImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return NavigationPackage.Literals.CHAINED_MODEL_NAVIGATION;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public StructuredModelNavigation getCurrent() {
return current;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetCurrent(
StructuredModelNavigation newCurrent, NotificationChain msgs) {
StructuredModelNavigation oldCurrent = current;
current = newCurrent;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this,
Notification.SET,
NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT,
oldCurrent, newCurrent);
if (msgs == null)
msgs = notification;
else
msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setCurrent(StructuredModelNavigation newCurrent) {
if (newCurrent != current) {
NotificationChain msgs = null;
if (current != null)
msgs = ((InternalEObject) current)
.eInverseRemove(
this,
EOPPOSITE_FEATURE_BASE
- NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT,
null, msgs);
if (newCurrent != null)
msgs = ((InternalEObject) newCurrent)
.eInverseAdd(
this,
EOPPOSITE_FEATURE_BASE
- NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT,
null, msgs);
msgs = basicSetCurrent(newCurrent, msgs);
if (msgs != null)
msgs.dispatch();
} else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT,
newCurrent, newCurrent));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public StructuredModelNavigation getNext() {
return next;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetNext(StructuredModelNavigation newNext,
NotificationChain msgs) {
StructuredModelNavigation oldNext = next;
next = newNext;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this,
Notification.SET,
NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT, oldNext,
newNext);
if (msgs == null)
msgs = notification;
else
msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setNext(StructuredModelNavigation newNext) {
if (newNext != next) {
NotificationChain msgs = null;
if (next != null)
msgs = ((InternalEObject) next)
.eInverseRemove(
this,
EOPPOSITE_FEATURE_BASE
- NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT,
null, msgs);
if (newNext != null)
msgs = ((InternalEObject) newNext)
.eInverseAdd(
this,
EOPPOSITE_FEATURE_BASE
- NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT,
null, msgs);
msgs = basicSetNext(newNext, msgs);
if (msgs != null)
msgs.dispatch();
} else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT, newNext,
newNext));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd,
int featureID, NotificationChain msgs) {
switch (featureID) {
case NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT:
return basicSetCurrent(null, msgs);
case NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT:
return basicSetNext(null, 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 NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT:
return getCurrent();
case NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT:
return getNext();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT:
setCurrent((StructuredModelNavigation) newValue);
return;
case NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT:
setNext((StructuredModelNavigation) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT:
setCurrent((StructuredModelNavigation) null);
return;
case NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT:
setNext((StructuredModelNavigation) null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case NavigationPackage.CHAINED_MODEL_NAVIGATION__CURRENT:
return current != null;
case NavigationPackage.CHAINED_MODEL_NAVIGATION__NEXT:
return next != null;
}
return super.eIsSet(featureID);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.eef.mapping.navigation.impl.StructuredModelNavigationImpl#evaluate()
* @generated NOT
*/
@Override
public EClass evaluate() {
if (getNext() != null)
return getNext().evaluate();
return null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.eef.mapping.navigation.ChainedModelNavigation#owningEClass()
* @generated NOT
*/
public EClass owningEClass() {
if (this.eContainer() instanceof EMFPropertyBinding) {
EMFPropertyBinding propertyBinding = (EMFPropertyBinding) this
.eContainer();
if (propertyBinding.eContainer() instanceof EMFElementBinding) {
EMFElementBinding elementBinding = (EMFElementBinding) propertyBinding
.eContainer();
if (elementBinding.getModel() instanceof EClass)
return (EClass) elementBinding.getModel();
}
} else if (eContainer() instanceof ChainedModelNavigation) {
ChainedModelNavigation container = (ChainedModelNavigation) eContainer();
if (NavigationPackage.eINSTANCE.getChainedModelNavigation_Current() == eContainingFeature())
return container.owningEClass();
else if (NavigationPackage.eINSTANCE
.getChainedModelNavigation_Next() == eContainingFeature())
return container.currentEClass();
}
return null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.eef.mapping.navigation.ChainedModelNavigation#currentEClass()
* @generated NOT
*/
public EClass currentEClass() {
if (getCurrent() instanceof SimpleModelNavigation) {
SimpleModelNavigation smn = (SimpleModelNavigation) getCurrent();
return smn.targetEClass();
}
return null;
}
} //ChainedModelNavigationImpl