/**
* <copyright>
*
* Copyright (c) 2005, 2010 SAP AG.
* 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:
* SAP AG - initial API, implementation and documentation
*
* </copyright>
*/
package org.eclipse.graphiti.mm.pictograms.impl;
import java.util.Collection;
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.util.EObjectContainmentWithInverseEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.graphiti.mm.pictograms.Anchor;
import org.eclipse.graphiti.mm.pictograms.Connection;
import org.eclipse.graphiti.mm.pictograms.ConnectionDecorator;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.mm.pictograms.PictogramsPackage;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Connection</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.graphiti.mm.pictograms.impl.ConnectionImpl#getStart <em>Start</em>}</li>
* <li>{@link org.eclipse.graphiti.mm.pictograms.impl.ConnectionImpl#getEnd <em>End</em>}</li>
* <li>{@link org.eclipse.graphiti.mm.pictograms.impl.ConnectionImpl#getParent <em>Parent</em>}</li>
* <li>{@link org.eclipse.graphiti.mm.pictograms.impl.ConnectionImpl#getConnectionDecorators <em>Connection Decorators</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class ConnectionImpl extends AnchorContainerImpl implements Connection {
/**
* The cached value of the '{@link #getStart() <em>Start</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getStart()
* @generated
* @ordered
*/
protected Anchor start;
/**
* The cached value of the '{@link #getEnd() <em>End</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEnd()
* @generated
* @ordered
*/
protected Anchor end;
/**
* The cached value of the '{@link #getConnectionDecorators() <em>Connection Decorators</em>}' containment reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getConnectionDecorators()
* @generated
* @ordered
*/
protected EList<ConnectionDecorator> connectionDecorators;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ConnectionImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return PictogramsPackage.Literals.CONNECTION;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Anchor getStart() {
if (start != null && start.eIsProxy()) {
InternalEObject oldStart = (InternalEObject)start;
start = (Anchor)eResolveProxy(oldStart);
if (start != oldStart) {
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, PictogramsPackage.CONNECTION__START, oldStart, start));
}
}
return start;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Anchor basicGetStart() {
return start;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetStart(Anchor newStart, NotificationChain msgs) {
Anchor oldStart = start;
start = newStart;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PictogramsPackage.CONNECTION__START, oldStart, newStart);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setStart(Anchor newStart) {
if (newStart != start) {
NotificationChain msgs = null;
if (start != null)
msgs = ((InternalEObject)start).eInverseRemove(this, PictogramsPackage.ANCHOR__OUTGOING_CONNECTIONS, Anchor.class, msgs);
if (newStart != null)
msgs = ((InternalEObject)newStart).eInverseAdd(this, PictogramsPackage.ANCHOR__OUTGOING_CONNECTIONS, Anchor.class, msgs);
msgs = basicSetStart(newStart, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, PictogramsPackage.CONNECTION__START, newStart, newStart));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Anchor getEnd() {
if (end != null && end.eIsProxy()) {
InternalEObject oldEnd = (InternalEObject)end;
end = (Anchor)eResolveProxy(oldEnd);
if (end != oldEnd) {
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, PictogramsPackage.CONNECTION__END, oldEnd, end));
}
}
return end;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Anchor basicGetEnd() {
return end;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetEnd(Anchor newEnd, NotificationChain msgs) {
Anchor oldEnd = end;
end = newEnd;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, PictogramsPackage.CONNECTION__END, oldEnd, newEnd);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setEnd(Anchor newEnd) {
if (newEnd != end) {
NotificationChain msgs = null;
if (end != null)
msgs = ((InternalEObject)end).eInverseRemove(this, PictogramsPackage.ANCHOR__INCOMING_CONNECTIONS, Anchor.class, msgs);
if (newEnd != null)
msgs = ((InternalEObject)newEnd).eInverseAdd(this, PictogramsPackage.ANCHOR__INCOMING_CONNECTIONS, Anchor.class, msgs);
msgs = basicSetEnd(newEnd, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, PictogramsPackage.CONNECTION__END, newEnd, newEnd));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Diagram getParent() {
if (eContainerFeatureID() != PictogramsPackage.CONNECTION__PARENT) return null;
return (Diagram)eContainer();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Diagram basicGetParent() {
if (eContainerFeatureID() != PictogramsPackage.CONNECTION__PARENT) return null;
return (Diagram)eInternalContainer();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetParent(Diagram newParent, NotificationChain msgs) {
msgs = eBasicSetContainer((InternalEObject)newParent, PictogramsPackage.CONNECTION__PARENT, msgs);
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setParent(Diagram newParent) {
if (newParent != eInternalContainer() || (eContainerFeatureID() != PictogramsPackage.CONNECTION__PARENT && newParent != null)) {
if (EcoreUtil.isAncestor(this, newParent))
throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
NotificationChain msgs = null;
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
if (newParent != null)
msgs = ((InternalEObject)newParent).eInverseAdd(this, PictogramsPackage.DIAGRAM__CONNECTIONS, Diagram.class, msgs);
msgs = basicSetParent(newParent, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, PictogramsPackage.CONNECTION__PARENT, newParent, newParent));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<ConnectionDecorator> getConnectionDecorators() {
if (connectionDecorators == null) {
connectionDecorators = new EObjectContainmentWithInverseEList.Resolving<ConnectionDecorator>(ConnectionDecorator.class, this, PictogramsPackage.CONNECTION__CONNECTION_DECORATORS, PictogramsPackage.CONNECTION_DECORATOR__CONNECTION);
}
return connectionDecorators;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case PictogramsPackage.CONNECTION__START:
if (start != null)
msgs = ((InternalEObject)start).eInverseRemove(this, PictogramsPackage.ANCHOR__OUTGOING_CONNECTIONS, Anchor.class, msgs);
return basicSetStart((Anchor)otherEnd, msgs);
case PictogramsPackage.CONNECTION__END:
if (end != null)
msgs = ((InternalEObject)end).eInverseRemove(this, PictogramsPackage.ANCHOR__INCOMING_CONNECTIONS, Anchor.class, msgs);
return basicSetEnd((Anchor)otherEnd, msgs);
case PictogramsPackage.CONNECTION__PARENT:
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
return basicSetParent((Diagram)otherEnd, msgs);
case PictogramsPackage.CONNECTION__CONNECTION_DECORATORS:
return ((InternalEList<InternalEObject>)(InternalEList<?>)getConnectionDecorators()).basicAdd(otherEnd, msgs);
}
return super.eInverseAdd(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case PictogramsPackage.CONNECTION__START:
return basicSetStart(null, msgs);
case PictogramsPackage.CONNECTION__END:
return basicSetEnd(null, msgs);
case PictogramsPackage.CONNECTION__PARENT:
return basicSetParent(null, msgs);
case PictogramsPackage.CONNECTION__CONNECTION_DECORATORS:
return ((InternalEList<?>)getConnectionDecorators()).basicRemove(otherEnd, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
switch (eContainerFeatureID()) {
case PictogramsPackage.CONNECTION__PARENT:
return eInternalContainer().eInverseRemove(this, PictogramsPackage.DIAGRAM__CONNECTIONS, Diagram.class, msgs);
}
return super.eBasicRemoveFromContainerFeature(msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case PictogramsPackage.CONNECTION__START:
if (resolve) return getStart();
return basicGetStart();
case PictogramsPackage.CONNECTION__END:
if (resolve) return getEnd();
return basicGetEnd();
case PictogramsPackage.CONNECTION__PARENT:
if (resolve) return getParent();
return basicGetParent();
case PictogramsPackage.CONNECTION__CONNECTION_DECORATORS:
return getConnectionDecorators();
}
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 PictogramsPackage.CONNECTION__START:
setStart((Anchor)newValue);
return;
case PictogramsPackage.CONNECTION__END:
setEnd((Anchor)newValue);
return;
case PictogramsPackage.CONNECTION__PARENT:
setParent((Diagram)newValue);
return;
case PictogramsPackage.CONNECTION__CONNECTION_DECORATORS:
getConnectionDecorators().clear();
getConnectionDecorators().addAll((Collection<? extends ConnectionDecorator>)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case PictogramsPackage.CONNECTION__START:
setStart((Anchor)null);
return;
case PictogramsPackage.CONNECTION__END:
setEnd((Anchor)null);
return;
case PictogramsPackage.CONNECTION__PARENT:
setParent((Diagram)null);
return;
case PictogramsPackage.CONNECTION__CONNECTION_DECORATORS:
getConnectionDecorators().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case PictogramsPackage.CONNECTION__START:
return start != null;
case PictogramsPackage.CONNECTION__END:
return end != null;
case PictogramsPackage.CONNECTION__PARENT:
return basicGetParent() != null;
case PictogramsPackage.CONNECTION__CONNECTION_DECORATORS:
return connectionDecorators != null && !connectionDecorators.isEmpty();
}
return super.eIsSet(featureID);
}
} //ConnectionImpl