@Override
public void processMultiple(Collection<IndexMaster> indexes, ContentRequest req, XMLWriter xml)
throws BerliozException, IOException {
String facets = req.getParameter("facets", "");
int maxNumber = req.getIntParameter("max-facets", 20);
// get first catalog as they should all have the same one
SearchQuery query = buildQuery(req, indexes.iterator().next().getCatalog());
if (query == null) {
xml.emptyElement("index-search");
return;
}
SearchPaging paging = buildPaging(req);
ArrayList<Index> theIndexes = new ArrayList<Index>();
for (IndexMaster index : indexes) {
theIndexes.add(index.getIndex());
}
try {
SearchResults results = LuceneIndexQueries.query(theIndexes, query, paging);
List<FieldFacet> facetsList =
Facets.getFacets(
Arrays.asList(facets.split(",")), maxNumber, query.toQuery(), theIndexes);
outputResults(query, results, facetsList, xml);
} catch (IndexException ex) {
LOGGER.warn(
"Fail to retrieve search result using query: {}", (Object) query.toString(), (Object) ex);
}
}
private SearchQuery buildQuery(ContentRequest req, String catalog) {
String field = req.getParameter("field", "fulltext");
String typed = req.getParameter("term");
if (typed == null) return null;
// compute parameters
List<SearchParameter> params = new ArrayList<SearchParameter>();
String with = req.getParameter("with");
if (with != null) {
for (String w : with.split(",")) {
String[] both = w.split(":");
if (both.length == 2) {
LOGGER.debug("Adding facet with field {} and term {}", both[0], both[1]);
params.add(new TermParameter(both[0], both[1]));
} else {
LOGGER.warn("Ignoring invalid facet {}", w);
}
}
}
// check if we should tokenize
Catalog theCatalog = Catalogs.getCatalog(catalog);
boolean tokenize = theCatalog != null && theCatalog.isTokenized(field);
BasicQuery<?> query;
if (tokenize) {
query = BasicQuery.newBasicQuery(new PhraseParameter(field, typed), params);
LOGGER.debug("Search in field {} for phrase {}", field, typed);
} else {
query = BasicQuery.newBasicQuery(new TermParameter(field, typed), params);
LOGGER.debug("Search in field {} for term {}", field, typed);
}
Sort sort = buildSort(req);
if (sort != null) query.setSort(sort);
return query;
}
private SearchPaging buildPaging(ContentRequest req) {
SearchPaging paging = new SearchPaging();
int page = req.getIntParameter("page", 1);
int results = req.getIntParameter("results", 100);
paging.setPage(page);
paging.setHitsPerPage(results);
return paging;
}
@Override
public void processSingle(IndexMaster index, ContentRequest req, XMLWriter xml)
throws BerliozException, IOException {
String facets = req.getParameter("facets", "");
int maxNumber = req.getIntParameter("max-facets", 20);
SearchQuery query = buildQuery(req, index.getCatalog());
if (query == null) {
xml.emptyElement("index-search");
return;
}
SearchPaging paging = buildPaging(req);
try {
SearchResults results = index.query(query, paging);
List<FieldFacet> facetsList =
Facets.getFacets(
Arrays.asList(facets.split(",")), maxNumber, query.toQuery(), index.getIndex());
outputResults(query, results, facetsList, xml);
} catch (IndexException ex) {
LOGGER.warn(
"Fail to retrieve search result using query: {}", (Object) query.toString(), (Object) ex);
}
}
private Sort buildSort(ContentRequest req) {
// field name
String field = req.getParameter("sort");
if (field == null) return null;
// reverse order
boolean reverse = field.startsWith("-");
if (reverse) field = field.substring(1);
// sort type
SortField sfield = null;
String type = req.getParameter("sort-type", "score");
if ("int".equalsIgnoreCase(type)) sfield = new SortedNumericSortField(field, Type.INT, reverse);
else if ("double".equalsIgnoreCase(type))
sfield = new SortedNumericSortField(field, Type.DOUBLE, reverse);
else if ("float".equalsIgnoreCase(type))
sfield = new SortedNumericSortField(field, Type.FLOAT, reverse);
else if ("long".equalsIgnoreCase(type))
sfield = new SortedNumericSortField(field, Type.LONG, reverse);
else if ("document".equalsIgnoreCase(type)) sfield = SortField.FIELD_DOC;
else if ("set".equalsIgnoreCase(type)) sfield = new SortedSetSortField(field, reverse);
else if ("string".equalsIgnoreCase(type)) sfield = new SortField(field, Type.STRING, reverse);
else sfield = SortField.FIELD_SCORE;
// build sort field
return new Sort(sfield);
}