Refs #5706: Improve IS Entity/Relation scanning on IS-Model library to support multiple inheritance
Task-Url: https://support.d4science.org/issues/5706 git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/private/luca.frosini/resource-registry-database-creator@160633 82a268e6-3cf1-43bd-a215-b396298e98cf
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/**
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*
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*/
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package org.gcube.informationsystem.model.discovery;
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import java.lang.reflect.Method;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.gcube.informationsystem.impl.utils.discovery.ReflectionUtility;
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import org.gcube.informationsystem.model.ISManageable;
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import org.gcube.informationsystem.model.annotations.ISProperty;
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import org.gcube.informationsystem.model.embedded.Embedded;
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import org.jgrapht.Graph;
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import org.jgrapht.graph.DefaultDirectedGraph;
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import org.jgrapht.graph.DefaultEdge;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* @author Luca Frosini (ISTI - CNR)
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*/
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public class ISMDiscovery<ISM extends ISManageable> {
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private static Logger logger = LoggerFactory.getLogger(ISMDiscovery.class);
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protected final Graph<Class<ISM>, DefaultEdge> graph;
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public Graph<Class<ISM>, DefaultEdge> getGraph() {
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return graph;
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}
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protected final Class<ISM> root;
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protected final Set<Class<ISM>> visited;
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public ISMDiscovery(Class<ISM> root) {
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this.root = root;
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this.graph = new DefaultDirectedGraph<>(DefaultEdge.class);
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this.visited = new HashSet<>();
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this.graph.addVertex(root);
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this.visited.add(root);
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}
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protected void addISM(Class<ISM> clz, Class<ISM> parent) {
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graph.addEdge(parent, clz);
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visited.add(clz);
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logger.debug("Adding {} as children of {}", clz, parent);
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}
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protected void analizeISM(Class<ISM> clz) {
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logger.trace(" --- Analizyng {}", clz.getCanonicalName());
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if (visited.contains(clz)) {
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logger.trace(" --------- discarding {} because was already managed", clz);
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return;
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} else {
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graph.addVertex(clz);
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Class<?>[] interfaces = clz.getInterfaces();
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for (Class<?> interfaceClass : interfaces) {
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if (!root.isAssignableFrom(interfaceClass)) {
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logger.trace(" --------- discarding {} because is not a {}", interfaceClass,
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root.getClass().getSimpleName());
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continue;
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}
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@SuppressWarnings("unchecked")
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Class<ISM> parent = (Class<ISM>) interfaceClass;
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if (!visited.contains(parent)) {
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analizeISM(parent);
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}
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addISM(clz, parent);
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}
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if(root==Embedded.class){
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for (Method m : clz.getDeclaredMethods()){
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m.setAccessible(true);
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if(m.isAnnotationPresent(ISProperty.class)){
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if(root.isAssignableFrom(m.getReturnType())){
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@SuppressWarnings("unchecked")
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Class<ISM> type = (Class<ISM>) m.getReturnType();
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analizeISM(type);
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addISM(clz, type);
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}
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}
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}
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}
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logger.trace("{}", (Object[]) interfaces);
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}
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}
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public void discover() throws Exception {
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List<Class<?>> classes = ReflectionUtility.getClassesForPackage(root.getPackage());
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for (Class<?> clz : classes) {
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logger.trace("Analyzing {}", clz);
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if (!clz.isInterface()) {
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logger.trace("Discarding {} that is not an interface", clz);
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continue;
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}
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if (root.isAssignableFrom(clz)) {
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@SuppressWarnings("unchecked")
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Class<ISM> ism = (Class<ISM>) clz;
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analizeISM(ism);
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}
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}
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}
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}
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@ -1,10 +1,9 @@
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package org.gcube.informationsystem.model.discovery;
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import org.gcube.informationsystem.impl.utils.discovery.ISMDiscovery;
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import org.gcube.informationsystem.model.embedded.Embedded;
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import org.gcube.informationsystem.model.entity.Entity;
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import org.gcube.informationsystem.model.relation.Relation;
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import org.jgrapht.graph.DefaultEdge;
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import org.jgrapht.traverse.BreadthFirstIterator;
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import org.junit.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -17,16 +16,18 @@ public class ISMDiscoveryTest {
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public void testEmbeddedDiscovery() throws Exception{
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ISMDiscovery<Embedded> embeddedDiscovery = new ISMDiscovery<>(Embedded.class);
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embeddedDiscovery.discover();
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for(Class<Embedded> embedded : embeddedDiscovery.getDiscovered()) {
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logger.info("Going to create : {}", embedded);
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}
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}
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@Test
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public void testEntityDiscovery() throws Exception{
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ISMDiscovery<Entity> entityDiscovery = new ISMDiscovery<>(Entity.class);
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entityDiscovery.discover();
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BreadthFirstIterator<Class<Entity>, DefaultEdge> breadthFirstIterator = new BreadthFirstIterator<Class<Entity>, DefaultEdge>(entityDiscovery.getGraph());
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while(breadthFirstIterator.hasNext()){
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Class<Entity> entity = breadthFirstIterator.next();
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for(Class<Entity> entity : entityDiscovery.getDiscovered()) {
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logger.info("Going to create : {}", entity);
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}
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}
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@ -1,10 +1,7 @@
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package org.gcube.informationsystem.resourceregistry;
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import org.gcube.informationsystem.impl.utils.discovery.ISMDiscovery;
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import org.gcube.informationsystem.impl.utils.discovery.SchemaAction;
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import org.gcube.informationsystem.model.discovery.ISMDiscovery;
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import org.gcube.informationsystem.model.embedded.Embedded;
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import org.gcube.informationsystem.model.entity.Entity;
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import org.gcube.informationsystem.model.relation.Relation;
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import org.gcube.informationsystem.resourceregistry.dbinitialization.DatabaseEnvironment;
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import org.gcube.informationsystem.resourceregistry.dbinitialization.SchemaActionImpl;
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import org.junit.Test;
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@ -12,47 +9,19 @@ import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class DataBaseCreator {
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private static Logger logger = LoggerFactory.getLogger(ISMDiscovery.class);
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@Test
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public void createDatabase() throws Exception{
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public void createDatabase() throws Exception {
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String db = DatabaseEnvironment.DB_URI;
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logger.info("Created DB {}", db);
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}
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@SuppressWarnings("unchecked")
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@Test
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public void createTypes() throws Exception {
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SchemaAction schemaAction = new SchemaActionImpl();
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ISMDiscovery<Embedded> embeddedDiscovery = new ISMDiscovery<>(Embedded.class);
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embeddedDiscovery.discover();
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for(Class<Embedded> embedded : embeddedDiscovery.getDiscovered()) {
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logger.info("Going to create : {}", embedded);
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schemaAction.manageEmbeddedClass(embedded);
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}
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ISMDiscovery<Entity> entityDiscovery = new ISMDiscovery<>(Entity.class);
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entityDiscovery.discover();
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for(Class<Entity> entity : entityDiscovery.getDiscovered()) {
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logger.info("Going to create : {}", entity);
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schemaAction.manageEntityClass(entity);
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}
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@SuppressWarnings("rawtypes")
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ISMDiscovery<Relation> relationDiscovery = new ISMDiscovery<>(Relation.class);
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relationDiscovery.discover();
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for(@SuppressWarnings("rawtypes") Class<Relation> relation : relationDiscovery.getDiscovered()) {
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logger.info("Going to create : {}", relation);
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schemaAction.manageRelationClass(relation);
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}
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ISMDiscovery.manageISM(schemaAction);
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}
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}
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