private static boolean isSpecialMeta(URI predicate) {
return predicate.equals(NamedGraph.uuidProperty)
|| predicate.equals(NamedGraph.revisionProperty)
|| predicate.equals(NamedGraph.datasourceProperty)
|| predicate.equals(NamedGraph.hasMetadataGraphProperty)
|| predicate.equals(NamedGraph.persistedProperty)
|| predicate.equals(NamedGraph.revisionedProperty);
}
void handleStatement(boolean addition, Long graphId, Long subj, Long prop, Long obj)
throws AnzoException {
URI graphNode = getValue(graphId);
Resource subjNode = getValue(subj);
URI propNode = getValue(prop);
Value objNode = getValue(obj);
URI ngURI = graphNode;
boolean meta = false;
if (UriGenerator.isMetadataGraphUri(ngURI)) {
ngURI = UriGenerator.stripEncapsulatedURI(NAMESPACES.METADATAGRAPH_PREFIX, ngURI);
meta = true;
}
NamedGraphRevision ngr = ngs.get(ngURI);
if (ngr == null) {
throw new AnzoException(
ExceptionConstants.DATASOURCE.NAMEDGRAPH.REVISION_NOT_FOUND, "?", ngURI.toString());
}
if (meta
&& (!ngr.readMeta
&& !(ngr.readGraph && subjNode.equals(ngURI) && isSpecialMeta(propNode)))) {
return;
} else if (!meta && !ngr.readGraph) {
return;
}
if (lastNGRevision == null || !lastNGRevision.namedGraphUri.equals(ngURI)) {
handler.handleNamedGraph(ngr.namedGraphUri, ngr.uuid, ngr.revision);
lastNGRevision = ngr;
if (newGraph.get(ngURI) && lastNGRevision.cache == null) {
lastNGRevision.cache = new ArrayList<Statement>();
}
}
handler.handleStatement(meta, addition, subjNode, propNode, objNode, graphNode);
if (addition && lastNGRevision.cache != null) {
lastNGRevision.cache.add(
Constants.valueFactory.createStatement(subjNode, propNode, objNode, graphNode));
}
}