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Example 11 with IndexDef

use of org.sirix.index.IndexDef 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();
}
Also used : DBNode(org.sirix.xquery.node.DBNode) XdmNodeWriteTrx(org.sirix.api.XdmNodeWriteTrx) QNm(org.brackit.xquery.atomic.QNm) Item(org.brackit.xquery.xdm.Item) QueryException(org.brackit.xquery.QueryException) XdmNodeReadTrx(org.sirix.api.XdmNodeReadTrx) IndexController(org.sirix.access.IndexController) Iter(org.brackit.xquery.xdm.Iter) IndexDef(org.sirix.index.IndexDef) SirixIOException(org.sirix.exception.SirixIOException) HashSet(java.util.HashSet)

Example 12 with IndexDef

use of org.sirix.index.IndexDef 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();
}
Also used : XdmNodeWriteTrx(org.sirix.api.XdmNodeWriteTrx) Path(org.brackit.xquery.util.path.Path) XdmNodeReadTrx(org.sirix.api.XdmNodeReadTrx) IndexController(org.sirix.access.IndexController) SirixIOException(org.sirix.exception.SirixIOException) DBNode(org.sirix.xquery.node.DBNode) Str(org.brackit.xquery.atomic.Str) QNm(org.brackit.xquery.atomic.QNm) Item(org.brackit.xquery.xdm.Item) QueryException(org.brackit.xquery.QueryException) Iter(org.brackit.xquery.xdm.Iter) IndexDef(org.sirix.index.IndexDef) HashSet(java.util.HashSet)

Aggregations

IndexDef (org.sirix.index.IndexDef)12 QueryException (org.brackit.xquery.QueryException)11 DBNode (org.sirix.xquery.node.DBNode)11 QNm (org.brackit.xquery.atomic.QNm)10 IndexController (org.sirix.access.IndexController)10 XdmNodeReadTrx (org.sirix.api.XdmNodeReadTrx)10 Item (org.brackit.xquery.xdm.Item)8 BaseIter (org.brackit.xquery.sequence.BaseIter)4 LazySequence (org.brackit.xquery.sequence.LazySequence)4 Iter (org.brackit.xquery.xdm.Iter)4 Stream (org.brackit.xquery.xdm.Stream)4 Type (org.brackit.xquery.xdm.Type)4 SirixNodeKeyStream (org.sirix.xquery.stream.SirixNodeKeyStream)4 HashSet (java.util.HashSet)3 Atomic (org.brackit.xquery.atomic.Atomic)3 Int32 (org.brackit.xquery.atomic.Int32)3 XdmNodeWriteTrx (org.sirix.api.XdmNodeWriteTrx)3 SirixIOException (org.sirix.exception.SirixIOException)3 IndexType (org.sirix.index.IndexType)3 IOException (java.io.IOException)2