/**
* <copyright>
* </copyright>
*
* $Id$
*/
package dataaccess.expressions.collectionexpressions.impl;
import dataaccess.expressions.Expression;
import dataaccess.expressions.ExpressionsPackage;
import dataaccess.expressions.collectionexpressions.CollectionExpression;
import dataaccess.expressions.collectionexpressions.CollectionexpressionsPackage;
import dataaccess.expressions.impl.ExpressionImpl;
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;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Collection Expression</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link dataaccess.expressions.collectionexpressions.impl.CollectionExpressionImpl#getSource <em>Source</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public abstract class CollectionExpressionImpl extends ExpressionImpl implements CollectionExpression {
/**
* The cached value of the '{@link #getSource() <em>Source</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getSource()
* @generated
* @ordered
*/
protected Expression source;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected CollectionExpressionImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return CollectionexpressionsPackage.Literals.COLLECTION_EXPRESSION;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression getSource() {
if (source != null && source.eIsProxy()) {
InternalEObject oldSource = (InternalEObject)source;
source = (Expression)eResolveProxy(oldSource);
if (source != oldSource) {
InternalEObject newSource = (InternalEObject)source;
NotificationChain msgs = oldSource.eInverseRemove(this, ExpressionsPackage.EXPRESSION__COLLECTION_EXPRESSION, Expression.class, null);
if (newSource.eInternalContainer() == null) {
msgs = newSource.eInverseAdd(this, ExpressionsPackage.EXPRESSION__COLLECTION_EXPRESSION, Expression.class, msgs);
}
if (msgs != null) msgs.dispatch();
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE, oldSource, source));
}
}
return source;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression basicGetSource() {
return source;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetSource(Expression newSource, NotificationChain msgs) {
Expression oldSource = source;
source = newSource;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE, oldSource, newSource);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setSource(Expression newSource) {
if (newSource != source) {
NotificationChain msgs = null;
if (source != null)
msgs = ((InternalEObject)source).eInverseRemove(this, ExpressionsPackage.EXPRESSION__COLLECTION_EXPRESSION, Expression.class, msgs);
if (newSource != null)
msgs = ((InternalEObject)newSource).eInverseAdd(this, ExpressionsPackage.EXPRESSION__COLLECTION_EXPRESSION, Expression.class, msgs);
msgs = basicSetSource(newSource, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE, newSource, newSource));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE:
if (source != null)
msgs = ((InternalEObject)source).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE, null, msgs);
return basicSetSource((Expression)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 CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE:
return basicSetSource(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 CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE:
if (resolve) return getSource();
return basicGetSource();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE:
setSource((Expression)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE:
setSource((Expression)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case CollectionexpressionsPackage.COLLECTION_EXPRESSION__SOURCE:
return source != null;
}
return super.eIsSet(featureID);
}
} //CollectionExpressionImpl