Examples with IndexSpec org.exist.storage.IndexSpec used on opensource projects

Example 16 with IndexSpec

use of org.exist.storage.IndexSpec in project exist by eXist-db.

the class GeneralComparison method checkForQNameIndex.

public static final IndexFlags checkForQNameIndex(IndexFlags idxflags, XQueryContext context, Sequence contextSequence, QName contextQName) {
    idxflags.reset(contextQName != null);
    for (final Iterator<Collection> i = contextSequence.getCollectionIterator(); i.hasNext(); ) {
        final Collection collection = i.next();
        if (collection.getURI().equalsInternal(XmldbURI.SYSTEM_COLLECTION_URI)) {
            continue;
        }
        final IndexSpec idxcfg = collection.getIndexConfiguration(context.getBroker());
        if (idxflags.indexOnQName && (idxcfg.getIndexByQName(contextQName) == null)) {
            idxflags.indexOnQName = false;
            if (LOG.isTraceEnabled()) {
                LOG.trace("cannot use index on QName: {}. Collection {} does not define an index", contextQName, collection.getURI());
            }
        }
        if (!idxflags.hasIndexOnQNames && idxcfg.hasIndexesByQName()) {
            idxflags.hasIndexOnQNames = true;
        }
        if (!idxflags.hasIndexOnPaths && idxcfg.hasIndexesByPath()) {
            idxflags.hasIndexOnPaths = true;
        }
    }
    return (idxflags);
}