/**
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright (C) 2007 Matthias Braeuer (braeuer.matthias@web.de). *
* All rights reserved. *
* *
* This work was done as a project at the Chair for Software Technology, *
* Dresden University Of Technology, Germany (http://st.inf.tu-dresden.de). *
* It is understood that any modification not identified as such is not *
* covered by the preceding statement. *
* *
* This work is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Library General Public License as published *
* by the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This work is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public *
* License for more details. *
* *
* You should have received a copy of the GNU Library General Public License *
* along with this library; if not, you can view it online at *
* http://www.fsf.org/licensing/licenses/gpl.html. *
* *
* To submit a bug report, send a comment, or get the latest news on this *
* project, please visit the website: http://dresden-ocl.sourceforge.net. *
* For more information on OCL and related projects visit the OCL Portal: *
* http://st.inf.tu-dresden.de/ocl *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* $Id$
*/
package org.dresdenocl.essentialocl.expressions.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.dresdenocl.essentialocl.expressions.CollectionRange;
import org.dresdenocl.essentialocl.expressions.OclExpression;
import org.dresdenocl.essentialocl.expressions.WellformednessException;
import org.dresdenocl.pivotmodel.Type;
/**
* <!-- begin-user-doc --> An implementation of the model object '<em><b>Collection Range</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.dresdenocl.essentialocl.expressions.impl.CollectionRangeImpl#getFirst <em>First</em>}</li>
* <li>{@link org.dresdenocl.essentialocl.expressions.impl.CollectionRangeImpl#getLast <em>Last</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class CollectionRangeImpl extends CollectionLiteralPartImpl implements
CollectionRange {
/**
* The cached value of the '{@link #getFirst() <em>First</em>}' containment reference.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getFirst()
* @generated
* @ordered
*/
protected OclExpression first;
/**
* The cached value of the '{@link #getLast() <em>Last</em>}' containment reference.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getLast()
* @generated
* @ordered
*/
protected OclExpression last;
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected CollectionRangeImpl() {
super();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return ExpressionsPackageImpl.Literals.COLLECTION_RANGE;
}
/**
* Overridden to determine the type of the <code>CollectionRange</code>
* according to the OCL specification (Section 8.3):
*
* <p>
* The type of a CollectionRange is the common supertype of the expressions
* taking part in the range.
*
* <pre>
* context CollectionRange
* inv: type = first.type.commonSuperType (last.type)
* </pre>
*
* </p>
*
* @return a <code>Type</code> instance
*/
@Override
public Type evaluateType() {
// check wellformedness
if (first == null || last == null) {
throw new WellformednessException(this,
"The first and last element of a collection range must not be null."); //$NON-NLS-1$
}
return first.getType().commonSuperType(last.getType());
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public OclExpression getFirst() {
return first;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetFirst(OclExpression newFirst,
NotificationChain msgs) {
OclExpression oldFirst = first;
first = newFirst;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this,
Notification.SET,
ExpressionsPackageImpl.COLLECTION_RANGE__FIRST, oldFirst,
newFirst);
if (msgs == null)
msgs = notification;
else
msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setFirst(OclExpression newFirst) {
if (newFirst != first) {
NotificationChain msgs = null;
if (first != null)
msgs = ((InternalEObject) first)
.eInverseRemove(
this,
EOPPOSITE_FEATURE_BASE
- ExpressionsPackageImpl.COLLECTION_RANGE__FIRST,
null, msgs);
if (newFirst != null)
msgs = ((InternalEObject) newFirst)
.eInverseAdd(
this,
EOPPOSITE_FEATURE_BASE
- ExpressionsPackageImpl.COLLECTION_RANGE__FIRST,
null, msgs);
msgs = basicSetFirst(newFirst, msgs);
if (msgs != null)
msgs.dispatch();
} else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
ExpressionsPackageImpl.COLLECTION_RANGE__FIRST, newFirst,
newFirst));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public OclExpression getLast() {
return last;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetLast(OclExpression newLast,
NotificationChain msgs) {
OclExpression oldLast = last;
last = newLast;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this,
Notification.SET,
ExpressionsPackageImpl.COLLECTION_RANGE__LAST, oldLast,
newLast);
if (msgs == null)
msgs = notification;
else
msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setLast(OclExpression newLast) {
if (newLast != last) {
NotificationChain msgs = null;
if (last != null)
msgs = ((InternalEObject) last)
.eInverseRemove(
this,
EOPPOSITE_FEATURE_BASE
- ExpressionsPackageImpl.COLLECTION_RANGE__LAST,
null, msgs);
if (newLast != null)
msgs = ((InternalEObject) newLast)
.eInverseAdd(
this,
EOPPOSITE_FEATURE_BASE
- ExpressionsPackageImpl.COLLECTION_RANGE__LAST,
null, msgs);
msgs = basicSetLast(newLast, msgs);
if (msgs != null)
msgs.dispatch();
} else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
ExpressionsPackageImpl.COLLECTION_RANGE__LAST, newLast,
newLast));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd,
int featureID, NotificationChain msgs) {
switch (featureID) {
case ExpressionsPackageImpl.COLLECTION_RANGE__FIRST:
return basicSetFirst(null, msgs);
case ExpressionsPackageImpl.COLLECTION_RANGE__LAST:
return basicSetLast(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 ExpressionsPackageImpl.COLLECTION_RANGE__FIRST:
return getFirst();
case ExpressionsPackageImpl.COLLECTION_RANGE__LAST:
return getLast();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case ExpressionsPackageImpl.COLLECTION_RANGE__FIRST:
setFirst((OclExpression) newValue);
return;
case ExpressionsPackageImpl.COLLECTION_RANGE__LAST:
setLast((OclExpression) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case ExpressionsPackageImpl.COLLECTION_RANGE__FIRST:
setFirst((OclExpression) null);
return;
case ExpressionsPackageImpl.COLLECTION_RANGE__LAST:
setLast((OclExpression) null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case ExpressionsPackageImpl.COLLECTION_RANGE__FIRST:
return first != null;
case ExpressionsPackageImpl.COLLECTION_RANGE__LAST:
return last != null;
}
return super.eIsSet(featureID);
}
} // CollectionRangeImpl