/*****************************************************************************
* Copyright (c) 2011 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.table.modelexplorer.queries;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EStructuralFeature.Setting;
import org.eclipse.emf.facet.infra.query.core.exception.ModelQueryExecutionException;
import org.eclipse.emf.facet.infra.query.core.java.IJavaModelQuery;
import org.eclipse.emf.facet.infra.query.core.java.ParameterValueList;
import org.eclipse.emf.facet.widgets.nattable.instance.tableinstance.TableInstance;
import org.eclipse.emf.facet.widgets.nattable.instance.tableinstance.TableinstancePackage;
import org.eclipse.papyrus.infra.core.utils.PapyrusEcoreUtils;
import org.eclipse.papyrus.infra.table.instance.papyrustableinstance.PapyrusTableInstance;
import org.eclipse.papyrus.infra.table.instance.papyrustableinstance.PapyrustableinstancePackage;
import org.eclipse.papyrus.views.modelexplorer.queries.AbstractEditorContainerQuery;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
/** Get the collection of all contained tables */
//FIXME this query is declared using Element in the querySet -> change into EObject when the EMF-Facet bug will be corrected 365744
public class GetContainedTables extends AbstractEditorContainerQuery implements IJavaModelQuery<EObject, Collection<PapyrusTableInstance>> {
/**
* {@inheritDoc}
*/
public Collection<PapyrusTableInstance> evaluate(final EObject context, final ParameterValueList parameterValues) throws ModelQueryExecutionException {
Predicate<EStructuralFeature.Setting> p = new Predicate<EStructuralFeature.Setting>() {
public boolean apply(EStructuralFeature.Setting setting) {
return setting.getEObject() instanceof TableInstance && setting.getEStructuralFeature() == TableinstancePackage.Literals.TABLE_INSTANCE__CONTEXT;
}
};
Function<EStructuralFeature.Setting, PapyrusTableInstance> f = new Function<EStructuralFeature.Setting, PapyrusTableInstance>() {
public PapyrusTableInstance apply(EStructuralFeature.Setting setting) {
Collection<Setting> references = PapyrusEcoreUtils.getUsages(setting.getEObject());
Predicate<Setting> p2 = new Predicate<EStructuralFeature.Setting>() {
public boolean apply(Setting setting) {
return setting.getEObject() instanceof PapyrusTableInstance && PapyrustableinstancePackage.Literals.PAPYRUS_TABLE_INSTANCE__TABLE == setting.getEStructuralFeature();
}
};
Iterator<Setting> iterator = Iterables.filter(references, p2).iterator();
if (iterator.hasNext()){
return (PapyrusTableInstance) iterator.next().getEObject();
}
return null;
}
};
Iterable<PapyrusTableInstance> transform = Iterables.transform(Iterables.filter(PapyrusEcoreUtils.getUsages(context), p), f);
transform = Iterables.filter(transform, new Predicate<PapyrusTableInstance>() {
public boolean apply(PapyrusTableInstance table) {
return table != null;
}
});
return Sets.newHashSet(transform);
}
}