Examples with SailException org.openrdf.sail.SailException used on opensource projects

Example 21 with SailException

use of org.openrdf.sail.SailException in project backstage by zepheira.

the class Database method createTypeRecord.

private TypeRecord createTypeRecord(URI type, SailConnection sc) {
    String id = getTypeId(type, sc);
    String label = SailUtilities.getStringObject(sc, type, RDFS.LABEL, id);
    Properties properties = new Properties();
    CloseableIteration<? extends Statement, SailException> i = null;
    try {
        i = sc.getStatements(type, null, null, true);
    } catch (SailException e) {
        _logger.error("Failed to get all statements in order to get type record", e);
        return null;
    }
    if (i != null) {
        try {
            while (i.hasNext()) {
                Statement s = i.next();
                URI p = s.getPredicate();
                Value o = s.getObject();
                if (!p.equals(RDFS.LABEL) && !p.equals(ExhibitOntology.ID)) {
                    properties.put(p.getLocalName(), SailUtilities.valueToString(o));
                }
            }
        } catch (SailException e) {
            _logger.warn("Failed to iterate through statements", e);
        } finally {
            try {
                i.close();
            } catch (SailException e) {
                _logger.warn("Failed to close statement iterator", e);
            }
        }
    }
    return new TypeRecord(type, id, label, properties);
}

Example 22 with SailException

use of org.openrdf.sail.SailException in project backstage by zepheira.

the class Database method abbreviateItems.

protected synchronized void abbreviateItems() {
    if (_abbreviatedItems) {
        return;
    }
    _abbreviatedItems = true;
    getRepository();
    SailConnection sc = null;
    try {
        sc = _sail.getConnection();
    } catch (SailException e) {
        _logger.error("Failed to open sail connection in order to compute cached information", e);
    }
    if (sc != null) {
        try {
            CloseableIteration<? extends Statement, SailException> i;
            try {
                i = sc.getStatements(null, RDF.TYPE, null, true);
            } catch (SailException e) {
                _logger.error("Failed to get all statements in order to abbreviate items", e);
                return;
            }
            try {
                while (i.hasNext()) {
                    Statement s = i.next();
                    Resource r = s.getSubject();
                    if (r instanceof URI) {
                        getItemId((URI) r, sc);
                    }
                }
            } catch (SailException e) {
                _logger.warn("Failed to iterate through statements", e);
            } finally {
                try {
                    i.close();
                } catch (SailException e) {
                    _logger.warn("Failed to close statement iterator", e);
                }
            }
        } finally {
            try {
                sc.close();
            } catch (SailException e) {
                _logger.warn("Failed to close sail connection", e);
            }
        }
    }
}

Example 23 with SailException

use of org.openrdf.sail.SailException in project backstage by zepheira.

the class Database method internalBuildTypeRecords.

private void internalBuildTypeRecords(SailConnection sc) {
    _typeRecords = new LinkedList<TypeRecord>();
    _typeIDToRecord = new HashMap<String, TypeRecord>();
    getRepository();
    CloseableIteration<? extends Statement, SailException> i;
    try {
        i = sc.getStatements(null, RDF.TYPE, null, true);
    } catch (SailException e) {
        _logger.error("Failed to get all statements in order to get type records", e);
        return;
    }
    Set<URI> types = new HashSet<URI>();
    try {
        while (i.hasNext()) {
            Statement s = i.next();
            types.add((URI) s.getObject());
        }
    } catch (SailException e) {
        _logger.warn("Failed to iterate through statements", e);
    } finally {
        try {
            i.close();
        } catch (SailException e) {
            _logger.warn("Failed to close statement iterator", e);
        }
    }
    for (URI type : types) {
        TypeRecord r = createTypeRecord(type, sc);
        if (r != null) {
            _typeRecords.add(r);
            _typeIDToRecord.put(r.id, r);
        }
    }
}