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package org.eclipse.viatra.solver.language.resource;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.viatra.solver.language.model.problem.NamedElement;
import org.eclipse.viatra.solver.language.model.problem.Problem;
import org.eclipse.viatra.solver.language.model.problem.Variable;
import org.eclipse.xtext.EcoreUtil2;
import org.eclipse.xtext.naming.IQualifiedNameConverter;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.resource.EObjectDescription;
import org.eclipse.xtext.resource.IEObjectDescription;
import org.eclipse.xtext.resource.impl.DefaultResourceDescriptionStrategy;
import org.eclipse.xtext.util.IAcceptor;
import com.google.inject.Inject;
import com.google.inject.Singleton;
@Singleton
public class ProblemResourceDescriptionStrategy extends DefaultResourceDescriptionStrategy {
@Inject
private IQualifiedNameConverter qualifiedNameConverter;
@Override
public boolean createEObjectDescriptions(EObject eObject, IAcceptor<IEObjectDescription> acceptor) {
if (eObject instanceof Variable) {
return false;
}
if (eObject instanceof NamedElement) {
NamedElement namedElement = (NamedElement) eObject;
String name = namedElement.getName();
if (name == null || name.isEmpty()) {
return true;
}
Problem problem = EcoreUtil2.getContainerOfType(namedElement, Problem.class);
QualifiedName problemQualifiedName = null;
if (problem != null) {
String problemName = problem.getName();
if (problemName != null && !problemName.isEmpty()) {
problemQualifiedName = qualifiedNameConverter.toQualifiedName(problemName);
}
}
QualifiedName qualifiedName = qualifiedNameConverter.toQualifiedName(namedElement.getName());
boolean nameExported;
if (shouldExportSimpleName(namedElement)) {
acceptEObjectDescription(namedElement, problemQualifiedName, qualifiedName, acceptor);
nameExported = true;
} else {
nameExported = false;
}
EObject parent = namedElement.eContainer();
while (parent != null && parent != problem) {
if (parent instanceof NamedElement) {
NamedElement namedParent = (NamedElement) parent;
String parentName = namedParent.getName();
if (parentName != null || !name.isEmpty()) {
QualifiedName parentQualifiedName = qualifiedNameConverter.toQualifiedName(parentName);
qualifiedName = parentQualifiedName.append(qualifiedName);
if (shouldExportSimpleName(parent)) {
acceptEObjectDescription(namedElement, problemQualifiedName, qualifiedName, acceptor);
nameExported = true;
} else {
nameExported = false;
}
}
}
parent = parent.eContainer();
}
if (!nameExported) {
acceptEObjectDescription(namedElement, problemQualifiedName, qualifiedName, acceptor);
}
}
return true;
}
protected boolean shouldExportSimpleName(EObject eObject) {
return true;
}
private void acceptEObjectDescription(EObject eObject, QualifiedName prefix, QualifiedName qualifiedName,
IAcceptor<IEObjectDescription> acceptor) {
QualifiedName qualifiedNameWithPrefix = prefix == null ? qualifiedName : prefix.append(qualifiedName);
acceptor.accept(EObjectDescription.create(qualifiedNameWithPrefix, eObject));
}
}
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