/** Resolving resolver * */
static class IRIResolverNormal extends IRIResolver {
private final IRI base;
// Not static - contains relative IRIs
// Could split into absolute (static, global cached) and relative.
private Cache<String, IRI> resolvedIRIs = CacheFactory.createCache(CacheSize);
/** Construct an IRIResolver with base as the current working directory. */
public IRIResolverNormal() {
this((String) null);
}
/**
* Construct an IRIResolver with base determined by the argument URI. If this is relative, it is
* relative against the current working directory.
*
* @param baseStr
* @throws RiotException If resulting base unparsable.
*/
public IRIResolverNormal(String baseStr) {
if (baseStr == null) base = chooseBaseURI();
else base = globalResolver.resolveSilent(baseStr);
}
public IRIResolverNormal(IRI baseIRI) {
if (baseIRI == null) baseIRI = chooseBaseURI();
base = baseIRI;
}
@Override
protected IRI getBaseIRI() {
return base;
}
@Override
public IRI resolveSilent(String uriStr) {
if (resolvedIRIs == null) return resolveSilentCache(uriStr);
else return resolveSilentNoCache(uriStr);
}
private IRI resolveSilentNoCache(String uriStr) {
IRI x = IRIResolver.iriFactory.create(uriStr);
if (SysRIOT.AbsURINoNormalization) {
// Always process "file:", even in strict mode.
// file: is widely used in irregular forms.
if (x.isAbsolute() && !uriStr.startsWith("file:")) return x;
}
return base.create(x);
}
private IRI resolveSilentCache(final String uriStr) {
Callable<IRI> filler = () -> resolveSilentNoCache(uriStr);
return resolvedIRIs.getOrFill(uriStr, filler);
}
}
private ListMultimap<String, TextHit> query(
Node property, String queryString, int limit, ExecutionContext execCxt) {
// use the graph information in the text index if possible
if (textIndex.getDocDef().getGraphField() != null
&& execCxt.getActiveGraph() instanceof GraphView) {
GraphView activeGraph = (GraphView) execCxt.getActiveGraph();
if (!Quad.isUnionGraph(activeGraph.getGraphName())) {
String uri =
activeGraph.getGraphName() != null
? TextQueryFuncs.graphNodeToString(activeGraph.getGraphName())
: Quad.defaultGraphNodeGenerated.getURI();
String escaped = QueryParserBase.escape(uri);
String qs2 = textIndex.getDocDef().getGraphField() + ":" + escaped;
queryString = "(" + queryString + ") AND " + qs2;
}
}
// for language-based search extension
if (textIndex.getDocDef().getLangField() != null) {
String field = textIndex.getDocDef().getLangField();
if (langArg != null) {
String qs2 = !"none".equals(langArg) ? field + ":" + langArg : "-" + field + ":*";
queryString = "(" + queryString + ") AND " + qs2;
}
}
Explain.explain(execCxt.getContext(), "Text query: " + queryString);
if (log.isDebugEnabled()) log.debug("Text query: {} ({})", queryString, limit);
String cacheKey = limit + " " + property + " " + queryString;
Cache<String, ListMultimap<String, TextHit>> queryCache =
(Cache<String, ListMultimap<String, TextHit>>) execCxt.getContext().get(cacheSymbol);
if (queryCache == null) {
/* doesn't yet exist, need to create it */
queryCache = CacheFactory.createCache(CACHE_SIZE);
execCxt.getContext().put(cacheSymbol, queryCache);
}
final String queryStr = queryString; // final needed for the lambda function
ListMultimap<String, TextHit> results =
queryCache.getOrFill(
cacheKey,
() -> {
List<TextHit> resultList = textIndex.query(property, queryStr, limit);
ListMultimap<String, TextHit> resultMultimap = LinkedListMultimap.create();
for (TextHit result : resultList) {
resultMultimap.put(result.getNode().getURI(), result);
}
return resultMultimap;
});
return results;
}
/** A resolver that does not resolve IRIs against base. This can generate relative IRIs. */
static class IRIResolverNoOp extends IRIResolver {
protected IRIResolverNoOp() {}
private Cache<String, IRI> resolvedIRIs = CacheFactory.createCache(CacheSize);
@Override
protected IRI getBaseIRI() {
return null;
}
@Override
public IRI resolveSilent(final String uriStr) {
if (resolvedIRIs == null) return iriFactory.create(uriStr);
Callable<IRI> filler = () -> iriFactory.create(uriStr);
IRI iri = resolvedIRIs.getOrFill(uriStr, filler);
return iri;
}
@Override
public String resolveToString(String uriStr) {
return uriStr;
}
}