| /******************************************************************************* |
| * Copyright (c) 2009, 2011 SAP AG 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: |
| * SAP AG - initial API and implementation |
| ****************************************************************************** |
| * $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 |
