NIHVIVO-2617 restored assertions-only filtering for individual lists
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brianjlowe
parent
f49d3af301
commit
1edae6b651
1 changed files with 136 additions and 65 deletions
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@ -10,6 +10,7 @@ import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.joda.time.DateTime;
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@ -26,18 +27,14 @@ import com.hp.hpl.jena.query.QuerySolution;
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import com.hp.hpl.jena.query.ResultSet;
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import com.hp.hpl.jena.rdf.model.AnonId;
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import com.hp.hpl.jena.rdf.model.Literal;
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import com.hp.hpl.jena.rdf.model.Model;
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import com.hp.hpl.jena.rdf.model.Property;
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import com.hp.hpl.jena.rdf.model.RDFNode;
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import com.hp.hpl.jena.rdf.model.ResIterator;
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import com.hp.hpl.jena.rdf.model.Resource;
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import com.hp.hpl.jena.rdf.model.ResourceFactory;
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import com.hp.hpl.jena.rdf.model.Statement;
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import com.hp.hpl.jena.rdf.model.StmtIterator;
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import com.hp.hpl.jena.shared.Lock;
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import com.hp.hpl.jena.util.iterator.ClosableIterator;
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import com.hp.hpl.jena.vocabulary.OWL;
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import com.hp.hpl.jena.vocabulary.RDF;
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import com.hp.hpl.jena.vocabulary.RDFS;
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import edu.cornell.mannlib.vitro.webapp.beans.Individual;
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@ -105,67 +102,42 @@ public class IndividualDaoSDB extends IndividualDaoJena {
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ents.addAll(getIndividualsByVClass(vc));
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}
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} else {
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DatasetWrapper w = getDatasetWrapper();
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Dataset dataset = w.getDataset();
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dataset.getLock().enterCriticalSection(Lock.READ);
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try {
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String[] graphVars = {"?g", "?h", "?i"};
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String query =
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"SELECT DISTINCT ?ind ?label ?moniker " +
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"WHERE " +
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"{ \n" +
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"{ ?ind a <" + theClass.getURI() + "> } \n" +
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"UNION { \n" +
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" ?ind a <" + theClass.getURI() + "> . \n" +
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" ?ind <" + RDFS.label.getURI() + "> ?label \n" +
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"} \n" +
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"UNION { \n" +
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" ?ind a <" + theClass.getURI() + "> . \n" +
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" ?ind <" + VitroVocabulary.MONIKER + "> ?moniker \n" +
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"} \n" +
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"} ORDER BY ?ind ?label";
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ResultSet rs =QueryExecutionFactory.create(
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QueryFactory.create(query), dataset)
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.execSelect();
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String uri = null;
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String label = null;
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String moniker = null;
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while (rs.hasNext()) {
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QuerySolution sol = rs.nextSolution();
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Resource currRes = sol.getResource("ind");
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if (currRes.isAnon()) {
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continue;
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}
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if (uri != null && !uri.equals(currRes.getURI())) {
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Individual ent = makeIndividual(uri, label, moniker);
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if (ent != null) {
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ents.add(ent);
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}
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uri = currRes.getURI();
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label = null;
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moniker = null;
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} else if (uri == null) {
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uri = currRes.getURI();
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}
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Literal labelLit = sol.getLiteral("label");
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if (labelLit != null) {
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label = labelLit.getLexicalForm();
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}
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Literal monikerLit = sol.getLiteral("moniker");
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if (monikerLit != null) {
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moniker = monikerLit.getLexicalForm();
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}
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if (!rs.hasNext()) {
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Individual ent = makeIndividual(uri, label, moniker);
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if (ent != null) {
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ents.add(ent);
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}
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}
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}
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} finally {
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dataset.getLock().leaveCriticalSection();
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w.close();
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}
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List<Individual> individualList;
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// Check if there is a graph filter.
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// If so, we will use it in a slightly strange way. Unfortunately,
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// performance is quite bad if we add several graph variables in
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// order to account for the fact that an individual's type
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// declaration may be in a different graph from its label or
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// moniker. Thus, we will run two queries: one with a single
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// graph variable to get the list of URIs, and a second against
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// the union graph to get individuals with their labels and
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// monikers. We will then toss out any individual in the second
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// list that is not also in the first list.
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// Annoying, yes, but better than the alternative.
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// Note that both queries need to sort identically or
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// the results may be very strange.
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String[] graphVars = {"?g"};
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String filterStr = WebappDaoFactorySDB.getFilterBlock(
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graphVars, datasetMode);
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if (!StringUtils.isEmpty(filterStr)) {
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List<Individual> graphFilteredIndividualList =
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getGraphFilteredIndividualList(theClass, filterStr);
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List<Individual> unfilteredIndividualList = getIndividualList(
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theClass);
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Iterator<Individual> unfilteredIt = unfilteredIndividualList
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.iterator();
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for (Individual filt : graphFilteredIndividualList) {
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Individual unfilt = unfilteredIt.next();
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while (!unfilt.getURI().equals(filt.getURI())) {
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unfilt = unfilteredIt.next();
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}
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ents.add(unfilt);
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}
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} else {
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ents = getIndividualList(theClass);
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}
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}
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java.util.Collections.sort(ents);
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@ -181,6 +153,105 @@ public class IndividualDaoSDB extends IndividualDaoJena {
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return ents;
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}
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private List<Individual> getIndividualList(Resource theClass) {
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List<Individual> ents = new ArrayList<Individual>();
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DatasetWrapper w = getDatasetWrapper();
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Dataset dataset = w.getDataset();
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dataset.getLock().enterCriticalSection(Lock.READ);
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try {
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String query =
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"SELECT DISTINCT ?ind ?label ?moniker " +
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"WHERE " +
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"{ \n" +
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"{ ?ind a <" + theClass.getURI() + "> } \n" +
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"UNION { \n" +
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" ?ind a <" + theClass.getURI() + "> . \n" +
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" ?ind <" + RDFS.label.getURI() + "> ?label \n" +
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"} \n" +
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"UNION { \n" +
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" ?ind a <" + theClass.getURI() + "> . \n" +
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" ?ind <" + VitroVocabulary.MONIKER + "> ?moniker \n" +
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"} \n" +
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"} ORDER BY ?ind ?label";
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ResultSet rs =QueryExecutionFactory.create(
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QueryFactory.create(query), dataset)
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.execSelect();
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String uri = null;
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String label = null;
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String moniker = null;
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while (rs.hasNext()) {
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QuerySolution sol = rs.nextSolution();
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Resource currRes = sol.getResource("ind");
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if (currRes.isAnon()) {
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continue;
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}
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if (uri != null && !uri.equals(currRes.getURI())) {
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Individual ent = makeIndividual(uri, label, moniker);
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if (ent != null) {
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ents.add(ent);
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}
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uri = currRes.getURI();
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label = null;
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moniker = null;
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} else if (uri == null) {
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uri = currRes.getURI();
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}
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Literal labelLit = sol.getLiteral("label");
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if (labelLit != null) {
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label = labelLit.getLexicalForm();
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}
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Literal monikerLit = sol.getLiteral("moniker");
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if (monikerLit != null) {
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moniker = monikerLit.getLexicalForm();
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}
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if (!rs.hasNext()) {
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Individual ent = makeIndividual(uri, label, moniker);
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if (ent != null) {
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ents.add(ent);
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}
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}
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}
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} finally {
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dataset.getLock().leaveCriticalSection();
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w.close();
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}
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return ents;
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}
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private List<Individual> getGraphFilteredIndividualList(Resource theClass,
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String filterStr) {
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List<Individual> filteredIndividualList = new ArrayList<Individual>();
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DatasetWrapper w = getDatasetWrapper();
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Dataset dataset = w.getDataset();
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dataset.getLock().enterCriticalSection(Lock.READ);
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try {
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String query =
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"SELECT DISTINCT ?ind ?label ?moniker " +
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"WHERE " +
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"{ GRAPH ?g { \n" +
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"{ ?ind a <" + theClass.getURI() + "> } \n" +
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" } \n" + filterStr +
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"} ORDER BY ?ind";
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ResultSet rs =QueryExecutionFactory.create(
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QueryFactory.create(query), dataset)
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.execSelect();
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while (rs.hasNext()) {
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QuerySolution sol = rs.nextSolution();
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Resource currRes = sol.getResource("ind");
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if (currRes.isAnon()) {
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continue;
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}
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filteredIndividualList.add(
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makeIndividual(currRes.getURI(), null, null));
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}
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} finally {
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dataset.getLock().leaveCriticalSection();
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w.close();
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}
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return filteredIndividualList;
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}
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private Individual makeIndividual(String uri, String label, String moniker) {
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Individual ent = new IndividualSDB(uri,
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