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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.constraints.constraints;
/**
* A constraint applying an EMF Query on a selection. The Query should return
* a Boolean.
*
* @author Camille Letavernier
*/
public class EMFQueryConstraint extends AbstractConstraint {
@Override
protected boolean equivalent(Constraint constraint) {
return false;
}
@Override
protected boolean match(Object selection) {
return false;
}
// private OCLModelQuery query;
//
// @Override
// protected void setDescriptor(SimpleConstraint descriptor) {
// ConfigProperty property = getProperty("query"); //$NON-NLS-1$
// if(property instanceof ReferenceProperty) {
// query = (OCLModelQuery)getReferenceValue("query"); //$NON-NLS-1$
// } else {
// String queryExpression = ((ValueProperty)property).getValue();
// query = QueryFactory.eINSTANCE.createOCLModelQuery();
// query.setQuery(queryExpression);
// query.setReturnType(EcorePackage.eINSTANCE.getEBoolean());
// query.getScope().add(EcorePackage.eINSTANCE.getEObject());
// throw new UnsupportedOperationException();
// }
// }
//
// public boolean match(Object selection) {
// if(query == null) {
// return false;
// }
//
// EObject selectedItem = EMFHelper.getEObject(selection);
//
// if(selectedItem != null) {
// try {
// ModelQuerySetCatalog catalog = ModelQuerySetCatalog.getSingleton();
// AbstractModelQuery abstractQuery = catalog.getModelQueryImpl(query);
// ModelQueryResult result = abstractQuery.evaluate(selectedItem);
// Object value = result.getValue();
// return value == null ? false : (Boolean)value;
// } catch (Exception ex) {
// Activator.log.error(ex);
// }
//
// }
// return false;
// }
//
// @Override
// protected boolean equivalent(Constraint constraint) {
// if(constraint != null && constraint instanceof EMFQueryConstraint) {
// EMFQueryConstraint other = (EMFQueryConstraint)constraint;
// return other.query.equals(query);
// }
// return false;
// }
}
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