/**
* <copyright>
* </copyright>
*
* $Id: SelectionImpl.java,v 1.2 2011/03/05 21:52:05 auhl Exp $
*/
package dataaccess.query.impl;
import behavioral.actions.ActionsPackage;
import behavioral.actions.Iterator;
import dataaccess.expressions.Expression;
import dataaccess.expressions.impl.ObjectBasedExpressionImpl;
import dataaccess.query.QueryPackage;
import dataaccess.query.Selection;
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>Selection</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link dataaccess.query.impl.SelectionImpl#getIterator <em>Iterator</em>}</li>
* <li>{@link dataaccess.query.impl.SelectionImpl#getSelectionExpr <em>Selection Expr</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class SelectionImpl extends ObjectBasedExpressionImpl implements Selection {
/**
* The cached value of the '{@link #getIterator() <em>Iterator</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getIterator()
* @generated
* @ordered
*/
protected Iterator iterator;
/**
* The cached value of the '{@link #getSelectionExpr() <em>Selection Expr</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getSelectionExpr()
* @generated
* @ordered
*/
protected Expression selectionExpr;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected SelectionImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return QueryPackage.Literals.SELECTION;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Iterator getIterator() {
if (iterator != null && iterator.eIsProxy()) {
InternalEObject oldIterator = (InternalEObject)iterator;
iterator = (Iterator)eResolveProxy(oldIterator);
if (iterator != oldIterator) {
InternalEObject newIterator = (InternalEObject)iterator;
NotificationChain msgs = oldIterator.eInverseRemove(this, ActionsPackage.ITERATOR__SELECTION, Iterator.class, null);
if (newIterator.eInternalContainer() == null) {
msgs = newIterator.eInverseAdd(this, ActionsPackage.ITERATOR__SELECTION, Iterator.class, msgs);
}
if (msgs != null) msgs.dispatch();
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, QueryPackage.SELECTION__ITERATOR, oldIterator, iterator));
}
}
return iterator;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Iterator basicGetIterator() {
return iterator;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetIterator(Iterator newIterator, NotificationChain msgs) {
Iterator oldIterator = iterator;
iterator = newIterator;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QueryPackage.SELECTION__ITERATOR, oldIterator, newIterator);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setIterator(Iterator newIterator) {
if (newIterator != iterator) {
NotificationChain msgs = null;
if (iterator != null)
msgs = ((InternalEObject)iterator).eInverseRemove(this, ActionsPackage.ITERATOR__SELECTION, Iterator.class, msgs);
if (newIterator != null)
msgs = ((InternalEObject)newIterator).eInverseAdd(this, ActionsPackage.ITERATOR__SELECTION, Iterator.class, msgs);
msgs = basicSetIterator(newIterator, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.SELECTION__ITERATOR, newIterator, newIterator));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression getSelectionExpr() {
if (selectionExpr != null && selectionExpr.eIsProxy()) {
InternalEObject oldSelectionExpr = (InternalEObject)selectionExpr;
selectionExpr = (Expression)eResolveProxy(oldSelectionExpr);
if (selectionExpr != oldSelectionExpr) {
InternalEObject newSelectionExpr = (InternalEObject)selectionExpr;
NotificationChain msgs = oldSelectionExpr.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - QueryPackage.SELECTION__SELECTION_EXPR, null, null);
if (newSelectionExpr.eInternalContainer() == null) {
msgs = newSelectionExpr.eInverseAdd(this, EOPPOSITE_FEATURE_BASE - QueryPackage.SELECTION__SELECTION_EXPR, null, msgs);
}
if (msgs != null) msgs.dispatch();
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, QueryPackage.SELECTION__SELECTION_EXPR, oldSelectionExpr, selectionExpr));
}
}
return selectionExpr;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression basicGetSelectionExpr() {
return selectionExpr;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetSelectionExpr(Expression newSelectionExpr, NotificationChain msgs) {
Expression oldSelectionExpr = selectionExpr;
selectionExpr = newSelectionExpr;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QueryPackage.SELECTION__SELECTION_EXPR, oldSelectionExpr, newSelectionExpr);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setSelectionExpr(Expression newSelectionExpr) {
if (newSelectionExpr != selectionExpr) {
NotificationChain msgs = null;
if (selectionExpr != null)
msgs = ((InternalEObject)selectionExpr).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - QueryPackage.SELECTION__SELECTION_EXPR, null, msgs);
if (newSelectionExpr != null)
msgs = ((InternalEObject)newSelectionExpr).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - QueryPackage.SELECTION__SELECTION_EXPR, null, msgs);
msgs = basicSetSelectionExpr(newSelectionExpr, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.SELECTION__SELECTION_EXPR, newSelectionExpr, newSelectionExpr));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case QueryPackage.SELECTION__ITERATOR:
if (iterator != null)
msgs = ((InternalEObject)iterator).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - QueryPackage.SELECTION__ITERATOR, null, msgs);
return basicSetIterator((Iterator)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 QueryPackage.SELECTION__ITERATOR:
return basicSetIterator(null, msgs);
case QueryPackage.SELECTION__SELECTION_EXPR:
return basicSetSelectionExpr(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 QueryPackage.SELECTION__ITERATOR:
if (resolve) return getIterator();
return basicGetIterator();
case QueryPackage.SELECTION__SELECTION_EXPR:
if (resolve) return getSelectionExpr();
return basicGetSelectionExpr();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case QueryPackage.SELECTION__ITERATOR:
setIterator((Iterator)newValue);
return;
case QueryPackage.SELECTION__SELECTION_EXPR:
setSelectionExpr((Expression)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case QueryPackage.SELECTION__ITERATOR:
setIterator((Iterator)null);
return;
case QueryPackage.SELECTION__SELECTION_EXPR:
setSelectionExpr((Expression)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case QueryPackage.SELECTION__ITERATOR:
return iterator != null;
case QueryPackage.SELECTION__SELECTION_EXPR:
return selectionExpr != null;
}
return super.eIsSet(featureID);
}
} //SelectionImpl