Examples with QNm org.brackit.xquery.atomic.QNm used on opensource projects

Example 81 with QNm

use of org.brackit.xquery.atomic.QNm 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 82 with QNm

use of org.brackit.xquery.atomic.QNm 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."));
    }
}

Example 83 with QNm

use of org.brackit.xquery.atomic.QNm in project sirix by sirixdb.

the class HierarchyFileVisitor method visitFile.

/**
 * <p>
 * Inserts a {@code file-element} with a {@code name-attribute} for the file which is visited.
 * </p>
 * <p>
 * An optional visitor can be used to add further attributes or metadata. The sirix
 * {@link XdmNodeWriteTrx} is located on the new directory before and after using a pluggable
 * visitor.
 * </p>
 *
 * @throws NullPointerException if {@code pDir} or {@code pAttrs} is {@code null}
 */
@Override
public FileVisitResult visitFile(final Path pFile, final BasicFileAttributes pAttrs) throws IOException {
    checkNotNull(pFile);
    checkNotNull(pAttrs);
    try {
        if (Files.isRegularFile(pFile) | Files.isSymbolicLink(pFile)) {
            mIndex.put(pFile, org.sirix.fs.FileSystemPath.ISFILE);
            processEmptyElement(new QNm("file"));
            mWtx.insertAttribute(new QNm("name"), pFile.getFileName().toString());
            mWtx.moveToParent();
            final long nodeKey = mWtx.getNodeKey();
            processFile(mVisitor, mWtx, pFile, pAttrs);
            mWtx.moveTo(nodeKey);
        }
    } catch (SirixException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
    return FileVisitResult.CONTINUE;
}

Example 84 with QNm

use of org.brackit.xquery.atomic.QNm in project sirix by sirixdb.

the class HierarchyFileVisitor method postVisitDirectory.

@Override
public FileVisitResult postVisitDirectory(final Path dir, final IOException exc) throws IOException {
    checkNotNull(dir);
    if (exc != null) {
        LOGWRAPPER.debug(exc.getMessage(), exc);
    }
    processEndTag(new QNm(""));
    return FileVisitResult.CONTINUE;
}

Example 85 with QNm

use of org.brackit.xquery.atomic.QNm in project sirix by sirixdb.

the class HierarchyFileVisitor method preVisitDirectory.

/**
 * <p>
 * Invoked for a directory before directory contents are visited.
 * </p>
 * <p>
 * Inserts a {@code dir-element} with a {@code name-attribute} for the directory to visit.
 * </p>
 * <p>
 * An optional visitor can be used to add further attributes or metadata. The sirix
 * {@link XdmNodeWriteTrx} is located on the new directory before and after using a pluggable
 * visitor.
 * </p>
 *
 * @throws NullPointerException if {@code pDir} or {@code pAttrs} is {@code null}
 */
@Override
public FileVisitResult preVisitDirectory(final Path dir, final BasicFileAttributes attrs) throws IOException {
    checkNotNull(dir);
    checkNotNull(attrs);
    try {
        mIndex.put(dir, org.sirix.fs.FileSystemPath.ISDIRECTORY);
        processStartTag(new QNm("dir"));
        mWtx.insertAttribute(new QNm("name"), dir.getFileName().toString());
        mWtx.moveToParent();
        final long nodeKey = mWtx.getNodeKey();
        processDirectory(mVisitor, mWtx, dir, attrs);
        mWtx.moveTo(nodeKey);
    } catch (SirixException e) {
        LOGWRAPPER.error(e.getMessage(), e);
    }
    return FileVisitResult.CONTINUE;
}