/**
* <copyright>
* </copyright>
*
* $Id: FromClauseImpl.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.ExpressionsPackage;
import dataaccess.query.FromClause;
import dataaccess.query.OqlQuery;
import dataaccess.query.QueryPackage;
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.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>From Clause</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link dataaccess.query.impl.FromClauseImpl#getFromClauseOfOqlQuery <em>From Clause Of Oql Query</em>}</li>
* <li>{@link dataaccess.query.impl.FromClauseImpl#getFromExpression <em>From Expression</em>}</li>
* <li>{@link dataaccess.query.impl.FromClauseImpl#getAlias <em>Alias</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class FromClauseImpl extends EObjectImpl implements FromClause {
/**
* The cached value of the '{@link #getFromExpression() <em>From Expression</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getFromExpression()
* @generated
* @ordered
*/
protected Expression fromExpression;
/**
* The cached value of the '{@link #getAlias() <em>Alias</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getAlias()
* @generated
* @ordered
*/
protected Iterator alias;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected FromClauseImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return QueryPackage.Literals.FROM_CLAUSE;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public OqlQuery getFromClauseOfOqlQuery() {
if (eContainerFeatureID() != QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY) return null;
return (OqlQuery)eContainer();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public OqlQuery basicGetFromClauseOfOqlQuery() {
if (eContainerFeatureID() != QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY) return null;
return (OqlQuery)eInternalContainer();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetFromClauseOfOqlQuery(OqlQuery newFromClauseOfOqlQuery, NotificationChain msgs) {
msgs = eBasicSetContainer((InternalEObject)newFromClauseOfOqlQuery, QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY, msgs);
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setFromClauseOfOqlQuery(OqlQuery newFromClauseOfOqlQuery) {
if (newFromClauseOfOqlQuery != eInternalContainer() || (eContainerFeatureID() != QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY && newFromClauseOfOqlQuery != null)) {
if (EcoreUtil.isAncestor(this, newFromClauseOfOqlQuery))
throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
NotificationChain msgs = null;
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
if (newFromClauseOfOqlQuery != null)
msgs = ((InternalEObject)newFromClauseOfOqlQuery).eInverseAdd(this, QueryPackage.OQL_QUERY__FROM_CLAUSES, OqlQuery.class, msgs);
msgs = basicSetFromClauseOfOqlQuery(newFromClauseOfOqlQuery, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY, newFromClauseOfOqlQuery, newFromClauseOfOqlQuery));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression getFromExpression() {
if (fromExpression != null && fromExpression.eIsProxy()) {
InternalEObject oldFromExpression = (InternalEObject)fromExpression;
fromExpression = (Expression)eResolveProxy(oldFromExpression);
if (fromExpression != oldFromExpression) {
InternalEObject newFromExpression = (InternalEObject)fromExpression;
NotificationChain msgs = oldFromExpression.eInverseRemove(this, ExpressionsPackage.EXPRESSION__FROM_CLAUSE, Expression.class, null);
if (newFromExpression.eInternalContainer() == null) {
msgs = newFromExpression.eInverseAdd(this, ExpressionsPackage.EXPRESSION__FROM_CLAUSE, Expression.class, msgs);
}
if (msgs != null) msgs.dispatch();
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, QueryPackage.FROM_CLAUSE__FROM_EXPRESSION, oldFromExpression, fromExpression));
}
}
return fromExpression;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression basicGetFromExpression() {
return fromExpression;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetFromExpression(Expression newFromExpression, NotificationChain msgs) {
Expression oldFromExpression = fromExpression;
fromExpression = newFromExpression;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QueryPackage.FROM_CLAUSE__FROM_EXPRESSION, oldFromExpression, newFromExpression);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setFromExpression(Expression newFromExpression) {
if (newFromExpression != fromExpression) {
NotificationChain msgs = null;
if (fromExpression != null)
msgs = ((InternalEObject)fromExpression).eInverseRemove(this, ExpressionsPackage.EXPRESSION__FROM_CLAUSE, Expression.class, msgs);
if (newFromExpression != null)
msgs = ((InternalEObject)newFromExpression).eInverseAdd(this, ExpressionsPackage.EXPRESSION__FROM_CLAUSE, Expression.class, msgs);
msgs = basicSetFromExpression(newFromExpression, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.FROM_CLAUSE__FROM_EXPRESSION, newFromExpression, newFromExpression));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Iterator getAlias() {
if (alias != null && alias.eIsProxy()) {
InternalEObject oldAlias = (InternalEObject)alias;
alias = (Iterator)eResolveProxy(oldAlias);
if (alias != oldAlias) {
InternalEObject newAlias = (InternalEObject)alias;
NotificationChain msgs = oldAlias.eInverseRemove(this, ActionsPackage.ITERATOR__FROM_CLAUSE, Iterator.class, null);
if (newAlias.eInternalContainer() == null) {
msgs = newAlias.eInverseAdd(this, ActionsPackage.ITERATOR__FROM_CLAUSE, Iterator.class, msgs);
}
if (msgs != null) msgs.dispatch();
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, QueryPackage.FROM_CLAUSE__ALIAS, oldAlias, alias));
}
}
return alias;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Iterator basicGetAlias() {
return alias;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetAlias(Iterator newAlias, NotificationChain msgs) {
Iterator oldAlias = alias;
alias = newAlias;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QueryPackage.FROM_CLAUSE__ALIAS, oldAlias, newAlias);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setAlias(Iterator newAlias) {
if (newAlias != alias) {
NotificationChain msgs = null;
if (alias != null)
msgs = ((InternalEObject)alias).eInverseRemove(this, ActionsPackage.ITERATOR__FROM_CLAUSE, Iterator.class, msgs);
if (newAlias != null)
msgs = ((InternalEObject)newAlias).eInverseAdd(this, ActionsPackage.ITERATOR__FROM_CLAUSE, Iterator.class, msgs);
msgs = basicSetAlias(newAlias, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.FROM_CLAUSE__ALIAS, newAlias, newAlias));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
return basicSetFromClauseOfOqlQuery((OqlQuery)otherEnd, msgs);
case QueryPackage.FROM_CLAUSE__FROM_EXPRESSION:
if (fromExpression != null)
msgs = ((InternalEObject)fromExpression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - QueryPackage.FROM_CLAUSE__FROM_EXPRESSION, null, msgs);
return basicSetFromExpression((Expression)otherEnd, msgs);
case QueryPackage.FROM_CLAUSE__ALIAS:
if (alias != null)
msgs = ((InternalEObject)alias).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - QueryPackage.FROM_CLAUSE__ALIAS, null, msgs);
return basicSetAlias((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.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
return basicSetFromClauseOfOqlQuery(null, msgs);
case QueryPackage.FROM_CLAUSE__FROM_EXPRESSION:
return basicSetFromExpression(null, msgs);
case QueryPackage.FROM_CLAUSE__ALIAS:
return basicSetAlias(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
switch (eContainerFeatureID()) {
case QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
return eInternalContainer().eInverseRemove(this, QueryPackage.OQL_QUERY__FROM_CLAUSES, OqlQuery.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 QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
if (resolve) return getFromClauseOfOqlQuery();
return basicGetFromClauseOfOqlQuery();
case QueryPackage.FROM_CLAUSE__FROM_EXPRESSION:
if (resolve) return getFromExpression();
return basicGetFromExpression();
case QueryPackage.FROM_CLAUSE__ALIAS:
if (resolve) return getAlias();
return basicGetAlias();
}
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.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
setFromClauseOfOqlQuery((OqlQuery)newValue);
return;
case QueryPackage.FROM_CLAUSE__FROM_EXPRESSION:
setFromExpression((Expression)newValue);
return;
case QueryPackage.FROM_CLAUSE__ALIAS:
setAlias((Iterator)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
setFromClauseOfOqlQuery((OqlQuery)null);
return;
case QueryPackage.FROM_CLAUSE__FROM_EXPRESSION:
setFromExpression((Expression)null);
return;
case QueryPackage.FROM_CLAUSE__ALIAS:
setAlias((Iterator)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case QueryPackage.FROM_CLAUSE__FROM_CLAUSE_OF_OQL_QUERY:
return basicGetFromClauseOfOqlQuery() != null;
case QueryPackage.FROM_CLAUSE__FROM_EXPRESSION:
return fromExpression != null;
case QueryPackage.FROM_CLAUSE__ALIAS:
return alias != null;
}
return super.eIsSet(featureID);
}
} //FromClauseImpl