/*******************************************************************************
* Copyright (c) 2007, 2010 IBM Corporation, Zeligsoft Inc., and others.
* 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:
* IBM - Initial API and implementation
* Zeligsoft - Bug 207365
*******************************************************************************/
package org.eclipse.ocl.uml.impl;
import java.util.Map;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.ocl.expressions.ExpressionsPackage;
import org.eclipse.ocl.expressions.OCLExpression;
import org.eclipse.ocl.expressions.operations.CollectionItemOperations;
import org.eclipse.ocl.uml.CollectionItem;
import org.eclipse.ocl.uml.UMLPackage;
import org.eclipse.ocl.utilities.Visitor;
import org.eclipse.uml2.uml.Classifier;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Collection Item</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* </p>
* <ul>
* <li>{@link org.eclipse.ocl.uml.impl.CollectionItemImpl#getItem <em>Item</em>}</li>
* </ul>
*
* @generated
*/
@SuppressWarnings("restriction")
public class CollectionItemImpl
extends CollectionLiteralPartImpl
implements CollectionItem {
/**
* The cached value of the '{@link #getItem() <em>Item</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getItem()
* @generated
* @ordered
*/
protected OCLExpression<Classifier> item;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected CollectionItemImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return UMLPackage.Literals.COLLECTION_ITEM;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public OCLExpression<Classifier> getItem() {
return item;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetItem(OCLExpression<Classifier> newItem,
NotificationChain msgs) {
OCLExpression<Classifier> oldItem = item;
item = newItem;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this,
Notification.SET, UMLPackage.COLLECTION_ITEM__ITEM, oldItem,
newItem);
if (msgs == null)
msgs = notification;
else
msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setItem(OCLExpression<Classifier> newItem) {
if (newItem != item) {
NotificationChain msgs = null;
if (item != null)
msgs = ((InternalEObject) item).eInverseRemove(this,
EOPPOSITE_FEATURE_BASE - UMLPackage.COLLECTION_ITEM__ITEM,
null, msgs);
if (newItem != null)
msgs = ((InternalEObject) newItem).eInverseAdd(this,
EOPPOSITE_FEATURE_BASE - UMLPackage.COLLECTION_ITEM__ITEM,
null, msgs);
msgs = basicSetItem(newItem, msgs);
if (msgs != null)
msgs.dispatch();
} else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
UMLPackage.COLLECTION_ITEM__ITEM, newItem, newItem));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean checkItemType(DiagnosticChain diagnostics,
Map<Object, Object> context) {
return CollectionItemOperations.checkItemType(this, diagnostics,
context);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd,
int featureID, NotificationChain msgs) {
switch (featureID) {
case UMLPackage.COLLECTION_ITEM__ITEM :
return basicSetItem(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 UMLPackage.COLLECTION_ITEM__ITEM :
return getItem();
}
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 UMLPackage.COLLECTION_ITEM__ITEM :
setItem((OCLExpression<Classifier>) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case UMLPackage.COLLECTION_ITEM__ITEM :
setItem((OCLExpression<Classifier>) null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case UMLPackage.COLLECTION_ITEM__ITEM :
return item != null;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public int eBaseStructuralFeatureID(int derivedFeatureID,
Class<?> baseClass) {
if (baseClass == org.eclipse.ocl.expressions.CollectionItem.class) {
switch (derivedFeatureID) {
case UMLPackage.COLLECTION_ITEM__ITEM :
return ExpressionsPackage.COLLECTION_ITEM__ITEM;
default :
return -1;
}
}
return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public int eDerivedStructuralFeatureID(int baseFeatureID,
Class<?> baseClass) {
if (baseClass == org.eclipse.ocl.expressions.CollectionItem.class) {
switch (baseFeatureID) {
case ExpressionsPackage.COLLECTION_ITEM__ITEM :
return UMLPackage.COLLECTION_ITEM__ITEM;
default :
return -1;
}
}
return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
@SuppressWarnings("unchecked")
public <T, U extends Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?>> T accept(U v) {
return ((Visitor<T, Classifier, ?, ?, ?, ?, ?, ?, ?, ?>) v)
.visitCollectionItem(this);
}
} //CollectionItemImpl