Examples with QueryException org.brackit.xquery.QueryException used on opensource projects

Example 16 with QueryException

use of org.brackit.xquery.QueryException in project sirix by sirixdb.

the class CreateNameIndex method execute.

@Override
public Sequence execute(final StaticContext sctx, final QueryContext ctx, final Sequence[] args) throws QueryException {
    if (args.length != 2 && args.length != 3) {
        throw new QueryException(new QNm("No valid arguments specified!"));
    }
    final DBNode doc = ((DBNode) args[0]);
    final XdmNodeReadTrx rtx = doc.getTrx();
    final IndexController controller = rtx.getResourceManager().getWtxIndexController(rtx.getRevisionNumber() - 1);
    if (!(doc.getTrx() instanceof XdmNodeWriteTrx)) {
        throw new QueryException(new QNm("Collection must be updatable!"));
    }
    if (controller == null) {
        throw new QueryException(new QNm("Document not found: " + ((Str) args[1]).stringValue()));
    }
    final Set<QNm> include = new HashSet<>();
    if (args.length > 1 && args[1] != null) {
        final Iter it = args[1].iterate();
        Item next = it.next();
        while (next != null) {
            include.add((QNm) next);
            next = it.next();
        }
    }
    final IndexDef idxDef = IndexDefs.createSelectiveNameIdxDef(include, controller.getIndexes().getNrOfIndexDefsWithType(IndexType.NAME));
    try {
        controller.createIndexes(ImmutableSet.of(idxDef), (XdmNodeWriteTrx) doc.getTrx());
    } catch (final SirixIOException e) {
        throw new QueryException(new QNm("I/O exception: " + e.getMessage()), e);
    }
    return idxDef.materialize();
}

Example 17 with QueryException

use of org.brackit.xquery.QueryException in project sirix by sirixdb.

the class CreatePathIndex method execute.

@Override
public Sequence execute(final StaticContext sctx, final QueryContext ctx, final Sequence[] args) throws QueryException {
    if (args.length != 2 && args.length != 3) {
        throw new QueryException(new QNm("No valid arguments specified!"));
    }
    final DBNode doc = ((DBNode) args[0]);
    final XdmNodeReadTrx rtx = doc.getTrx();
    final IndexController controller = rtx.getResourceManager().getWtxIndexController(rtx.getRevisionNumber() - 1);
    if (!(doc.getTrx() instanceof XdmNodeWriteTrx)) {
        throw new QueryException(new QNm("Collection must be updatable!"));
    }
    if (controller == null) {
        throw new QueryException(new QNm("Document not found: " + ((Str) args[1]).stringValue()));
    }
    if (!(doc.getTrx() instanceof XdmNodeWriteTrx)) {
        throw new QueryException(new QNm("Collection must be updatable!"));
    }
    final Set<Path<QNm>> paths = new HashSet<>();
    if (args.length > 2 && args[2] != null) {
        final Iter it = args[2].iterate();
        Item next = it.next();
        while (next != null) {
            paths.add(Path.parse(((Str) next).stringValue()));
            next = it.next();
        }
    }
    final IndexDef idxDef = IndexDefs.createPathIdxDef(paths, controller.getIndexes().getNrOfIndexDefsWithType(IndexType.PATH));
    try {
        controller.createIndexes(ImmutableSet.of(idxDef), (XdmNodeWriteTrx) doc.getTrx());
    } catch (final SirixIOException e) {
        throw new QueryException(new QNm("I/O exception: " + e.getMessage()), e);
    }
    return idxDef.materialize();
}

Example 18 with QueryException

use of org.brackit.xquery.QueryException in project sirix by sirixdb.

the class SelectNode method execute.

@Override
public Sequence execute(StaticContext sctx, QueryContext ctx, Sequence[] args) throws QueryException {
    final DBNode node = ((DBNode) args[0]);
    final XdmNodeReadTrx rtx = node.getTrx();
    final long nodeKey = FunUtil.getLong(args, 1, "nodeKey", 0, null, true);
    if (rtx.moveTo(nodeKey).hasMoved()) {
        return new DBNode(rtx, node.getCollection());
    } else {
        throw new QueryException(new QNm("Couldn't select node."));
    }
}