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package ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.io;
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.graph.EMFGraph
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.EdgeTypeMetric
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.Metric
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.MultiplexParticipationCoefficientMetric
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.NodeActivityMetric
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.NodeTypeMetric
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.OutDegreeMetric
import ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.metrics.TypedOutDegree
import java.io.File
import java.io.FileNotFoundException
import java.util.ArrayList
import java.util.List
import org.eclipse.emf.common.util.URI
import org.eclipse.emf.ecore.EObject
import org.eclipse.emf.ecore.EPackage
import org.eclipse.emf.ecore.EReference
import org.eclipse.emf.ecore.resource.Resource
import org.eclipse.emf.ecore.resource.ResourceSet
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl
class GraphReader{
val ResourceSet resSet = new ResourceSetImpl();
val referenceTypes = new ArrayList<EReference>();
var String suffix;
new(EPackage metaModel, String suffix) {
Resource.Factory.Registry.INSTANCE.extensionToFactoryMap.put("*",new XMIResourceFactoryImpl)
this.suffix = suffix;
//find all reference types in the meta model
metaModel.eAllContents.forEach[
if(it instanceof EReference){
referenceTypes.add(it);
}
]
}
def List<EMFGraph> readModels(String path){
val dir = new File(path);
if(!dir.isDirectory){
throw new Exception("expecting a directory");
}
val graphs = new ArrayList<EMFGraph>();
val metrics = new ArrayList<Metric>();
metrics.add(new OutDegreeMetric());
metrics.add(new NodeActivityMetric());
metrics.add(new MultiplexParticipationCoefficientMetric());
metrics.add(new TypedOutDegree());
metrics.add(new NodeTypeMetric());
metrics.add(new EdgeTypeMetric());
//check all files in the directory with suffix
for(String name : dir.list.filter[it| it.endsWith(suffix)]){
val file = new File(name);
val roots = readModel(EObject, path, file.name);
//add a list of metrics
val g = new EMFGraph();
for(root : roots){
g.init(root, metrics, name.replaceFirst(suffix, ""), referenceTypes);
}
graphs.add(g);
}
return graphs;
}
def EMFGraph readModel(String path, String filename){
val metrics = new ArrayList<Metric>();
metrics.add(new OutDegreeMetric());
metrics.add(new NodeActivityMetric());
metrics.add(new MultiplexParticipationCoefficientMetric());
metrics.add(new TypedOutDegree());
metrics.add(new NodeTypeMetric());
metrics.add(new EdgeTypeMetric());
val file = new File(filename);
val roots = readModel(EObject, path, file.name);
//add a list of metrics
val g = new EMFGraph();
for(root : roots){
g.init(root, metrics, filename.replaceFirst(suffix, ""), referenceTypes);
}
return g
}
def <RootType extends EObject> List<RootType> readModel(Class<RootType> type, String path, String name) {
try {
val resource = resSet.getResource(getURI(path, name),true);
if(resource === null) throw new FileNotFoundException(getURI(path, name).toString)
else {
return resource.contents as List<RootType>
}
} catch(Exception e) {
e.printStackTrace();
throw new Exception(getURI(path, name).toString());
}
}
def static getURI(String path, String name) {
URI.createFileURI(path + "/" + name)
}
}
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