public Set<MavenArtifactInfo> search(int indexId, Query query, int maxResult)
throws MavenServerIndexerException {
try {
IndexingContext index = getIndex(indexId);
TopDocs docs = null;
try {
BooleanQuery.setMaxClauseCount(Integer.MAX_VALUE);
docs = index.getIndexSearcher().search(query, null, maxResult);
} catch (BooleanQuery.TooManyClauses ignore) {
// this exception occurs when too wide wildcard is used on too big data.
}
if (docs == null || docs.scoreDocs.length == 0) return Collections.emptySet();
Set<MavenArtifactInfo> result = new THashSet<MavenArtifactInfo>();
for (int i = 0; i < docs.scoreDocs.length; i++) {
int docIndex = docs.scoreDocs[i].doc;
Document doc = index.getIndexReader().document(docIndex);
ArtifactInfo a = IndexUtils.constructArtifactInfo(doc, index);
if (a == null) continue;
a.repository = getRepositoryPathOrUrl(index);
result.add(Maven2ModelConverter.convertArtifactInfo(a));
}
return result;
} catch (Exception e) {
throw new MavenServerIndexerException(wrapException(e));
}
}
protected int searchFlat(
AbstractSearchRequest req,
Collection<ArtifactInfo> result,
IndexingContext context,
Query query,
int from,
int aiCount)
throws IOException {
Hits hits =
context
.getIndexSearcher()
.search(query, new Sort(new SortField(ArtifactInfo.UINFO, SortField.STRING)));
if (hits == null || hits.length() == 0) {
return 0;
}
if (req.isHitLimited() && hits.length() > req.getResultHitLimit()) {
return AbstractSearchResponse.LIMIT_EXCEEDED;
}
int hitCount = hits.length();
int start = 0; // from == FlatSearchRequest.UNDEFINED ? 0 : from;
// we have to pack the results as long: a) we have found aiCount ones b) we depleted hits
for (int i = start; i < hits.length(); i++) {
Document doc = hits.doc(i);
ArtifactInfo artifactInfo = IndexUtils.constructArtifactInfo(doc, context);
if (artifactInfo != null) {
artifactInfo.repository = context.getRepositoryId();
artifactInfo.context = context.getId();
result.add(artifactInfo);
if (req.isHitLimited() && result.size() > req.getResultHitLimit()) {
// we hit limit, back out now !!
return AbstractSearchResponse.LIMIT_EXCEEDED;
}
}
}
return hitCount;
}
protected int searchGrouped(
AbstractSearchRequest req,
Map<String, ArtifactInfoGroup> result,
Grouping grouping,
IndexingContext context,
Query query)
throws IOException {
Hits hits =
context
.getIndexSearcher()
.search(query, new Sort(new SortField(ArtifactInfo.UINFO, SortField.STRING)));
if (hits != null && hits.length() != 0) {
int hitCount = hits.length();
for (int i = 0; i < hits.length(); i++) {
ArtifactInfo artifactInfo = IndexUtils.constructArtifactInfo(hits.doc(i), context);
if (artifactInfo != null) {
artifactInfo.repository = context.getRepositoryId();
artifactInfo.context = context.getId();
if (!grouping.addArtifactInfo(result, artifactInfo)) {
// fix the hitCount accordingly
hitCount--;
}
}
}
if (req.isHitLimited() && hits.length() > req.getResultHitLimit()) {
return AbstractSearchResponse.LIMIT_EXCEEDED;
}
return hitCount;
} else {
return 0;
}
}