Examples with SailRepository org.openrdf.repository.sail.SailRepository used on opensource projects

Example 31 with SailRepository

use of org.openrdf.repository.sail.SailRepository in project incubator-rya by apache.

the class RulesetCopyIT method runQuery.

private Set<BindingSet> runQuery(final String query, final Configuration conf) throws Exception {
    SailRepository repository = null;
    SailRepositoryConnection conn = null;
    try {
        final Sail extSail = RyaSailFactory.getInstance(conf);
        repository = new SailRepository(extSail);
        conn = repository.getConnection();
        final ResultHandler handler = new ResultHandler();
        final TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL, query);
        tq.evaluate(handler);
        return handler.getSolutions();
    } finally {
        if (conn != null) {
            conn.close();
        }
        if (repository != null) {
            repository.shutDown();
        }
    }
}

Example 32 with SailRepository

use of org.openrdf.repository.sail.SailRepository in project incubator-rya by apache.

the class MongoSpinIT method setup.

@Before
public void setup() throws Exception {
    Logger.getLogger("org.apache.rya.mongodb").setLevel(Level.WARN);
    Logger.getLogger("org.apache.rya.forwardchain").setLevel(Level.INFO);
    conf = getConf();
    repository = new SailRepository(RyaSailFactory.getInstance(conf));
}

Example 33 with SailRepository

use of org.openrdf.repository.sail.SailRepository in project incubator-rya by apache.

the class SpinConstructRule method loadSpinRules.

/**
 * Load a set of SPIN rules from a data store.
 * @param conf Contains the connection information. Not null.
 * @return A map of rule identifiers to rule objects.
 * @throws ForwardChainException if connecting, querying for rules, or
 *  parsing rules fails.
 */
public static Ruleset loadSpinRules(RdfCloudTripleStoreConfiguration conf) throws ForwardChainException {
    Preconditions.checkNotNull(conf);
    Map<Resource, Rule> rules = new ConcurrentHashMap<>();
    // Connect to Rya
    SailRepository repository = null;
    SailRepositoryConnection conn = null;
    try {
        repository = new SailRepository(RyaSailFactory.getInstance(conf));
    } catch (Exception e) {
        throw new ForwardChainException("Couldn't initialize SAIL from configuration", e);
    }
    // Load and parse the individual SPIN rules from the data store
    String ruleQueryString = "SELECT ?type ?rule ?text WHERE {\n" + "  ?type <" + SPIN.RULE_PROPERTY.stringValue() + "> ?rule .\n" + "  {\n" + "    ?rule a <" + SP.CONSTRUCT_CLASS.stringValue() + "> .\n" + "    ?rule <" + SP.TEXT_PROPERTY.stringValue() + "> ?text .\n" + "  } UNION {\n" + "    ?rule a ?template .\n" + "    ?template <" + SPIN.BODY_PROPERTY + ">? ?body .\n" + "    ?body a <" + SP.CONSTRUCT_CLASS.stringValue() + "> .\n" + "    ?body <" + SP.TEXT_PROPERTY.stringValue() + "> ?text .\n" + "  }\n" + "}";
    SPARQLParser parser = new SPARQLParser();
    try {
        conn = repository.getConnection();
        TupleQuery ruleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, ruleQueryString);
        ruleQuery.evaluate(new TupleQueryResultHandlerBase() {

            @Override
            public void handleSolution(BindingSet bs) throws TupleQueryResultHandlerException {
                // For each rule identifier found, instantiate a SpinRule
                Value requiredType = bs.getValue("type");
                Value ruleIdentifier = bs.getValue("rule");
                Value ruleText = bs.getValue("text");
                if (requiredType instanceof Resource && ruleIdentifier instanceof Resource && ruleText instanceof Literal) {
                    ParsedQuery parsedRule;
                    try {
                        parsedRule = parser.parseQuery(ruleText.stringValue(), null);
                        if (parsedRule instanceof ParsedGraphQuery) {
                            SpinConstructRule rule = new SpinConstructRule((Resource) requiredType, (Resource) ruleIdentifier, (ParsedGraphQuery) parsedRule);
                            if (rule.hasAnonymousConsequent()) {
                                logger.error("Skipping unsupported rule " + ruleIdentifier + " -- consequent refers to bnode, which is not" + " currently supported (creating new bnodes at each" + " application could lead to infinite recursion).");
                            } else {
                                rules.put((Resource) ruleIdentifier, rule);
                            }
                        }
                    } catch (Exception e) {
                        throw new TupleQueryResultHandlerException(e);
                    }
                }
            }
        });
    } catch (TupleQueryResultHandlerException | QueryEvaluationException | MalformedQueryException | RepositoryException e) {
        throw new ForwardChainException("Couldn't retrieve SPIN rules", e);
    } finally {
        if (conn != null) {
            try {
                conn.close();
            } catch (RepositoryException e) {
                logger.warn("Error closing repository connection", e);
            }
        }
        if (repository.isInitialized()) {
            try {
                repository.shutDown();
            } catch (RepositoryException e) {
                logger.warn("Error shutting down repository", e);
            }
        }
    }
    return new Ruleset(rules.values());
}

Example 34 with SailRepository

use of org.openrdf.repository.sail.SailRepository in project stanbol by apache.

the class SesameYardTest method initYard.

@BeforeClass
public static final void initYard() throws RepositoryException {
    SesameYardConfig config = new SesameYardConfig("testYardId");
    config.setName("Sesame Yard Test");
    config.setDescription("The Sesame Yard instance used to execute the Unit Tests defined for the Yard Interface");
    repo = new SailRepository(new MemoryStore());
    repo.initialize();
    yard = new SesameYard(repo, config);
}

Example 35 with SailRepository

use of org.openrdf.repository.sail.SailRepository in project stanbol by apache.

the class RdfIndexingSource method loadRepositoryConfig.

/**
 * @param repoConfigFile
 * @return
 */
private RepositoryConfig loadRepositoryConfig(File repoConfigFile) {
    Repository configRepo = new SailRepository(new MemoryStore());
    RepositoryConnection con = null;
    try {
        configRepo.initialize();
        con = configRepo.getConnection();
        // We need to load the configuration into a context
        org.openrdf.model.URI configContext = con.getValueFactory().createURI("urn:stanbol.entityhub:indexing.source.sesame:config.context");
        RDFFormat format = Rio.getParserFormatForFileName(repoConfigFile.getName());
        try {
            con.add(new InputStreamReader(new FileInputStream(repoConfigFile), Charset.forName("UTF-8")), baseUri, format, configContext);
        } catch (RDFParseException e) {
            throw new IllegalArgumentException("Unable to parsed '" + repoConfigFile + "' using RDF format '" + format + "'!", e);
        } catch (IOException e) {
            throw new IllegalArgumentException("Unable to access '" + repoConfigFile + "'!", e);
        }
        con.commit();
    } catch (RepositoryException e) {
        throw new IllegalStateException("Unable to load '" + repoConfigFile + "' to inmemory Sail!", e);
    } finally {
        if (con != null) {
            try {
                con.close();
            } catch (RepositoryException e) {
            /* ignore */
            }
        }
    }
    Set<String> repoNames;
    RepositoryConfig repoConfig;
    try {
        repoNames = RepositoryConfigUtil.getRepositoryIDs(configRepo);
        if (repoNames.size() == 1) {
            repoConfig = RepositoryConfigUtil.getRepositoryConfig(configRepo, repoNames.iterator().next());
            repoConfig.validate();
        } else if (repoNames.size() > 1) {
            throw new IllegalArgumentException("Repository configuration file '" + repoConfigFile + "' MUST only contain a single repository configuration!");
        } else {
            throw new IllegalArgumentException("Repository configuration file '" + repoConfigFile + "' DOES NOT contain a repository configuration!");
        }
    } catch (RepositoryException e) {
        throw new IllegalStateException("Unable to read RepositoryConfiguration form the " + "in-memory Sail!", e);
    } catch (RepositoryConfigException e) {
        throw new IllegalArgumentException("Repository Configuration in '" + repoConfigFile + "is not valid!", e);
    } finally {
        try {
            configRepo.shutDown();
        } catch (RepositoryException e) {
        /* ignore */
        }
    }
    if (repoConfig.getRepositoryImplConfig() == null) {
        throw new IllegalArgumentException("Missing RepositoryImpl config for " + "config " + repoConfig.getID() + " of file " + repoConfigFile + "!");
    }
    return repoConfig;
}