private static BrowseRequest CreateRequest(LuceneQuery query, LuceneFilter filter, IEnumerable <BrowseSelection> selections, SortField[] sorts, int skip, int take, bool includeFacets)
{
var request = new BrowseRequest();
request.setQuery(query);
request.setFilter(filter);
if (selections != null)
{
foreach (var selection in selections)
{
request.addSelection(selection);
}
}
if (sorts != null)
{
request.setSort(sorts);
}
request.setOffset(0);
request.setCount(skip + take);
if (includeFacets)
{
request.setFacetSpec(FieldName.Industries, CreateFacetSpec());
request.setFacetSpec(FieldName.JobTypes, CreateFacetSpec());
}
return(request);
}
public JobAdSearchResults Search(LuceneQuery query, LuceneFilter filter, IEnumerable <BrowseSelection> selections, SortField[] sorts, int skip, int take, bool includeFacets)
{
var request = CreateRequest(query, filter, selections, sorts, skip, take, includeFacets);
var result = _browser.browse(request);
return(GetSearchResults(result, skip, take));
}
protected LuceneQuery GetBoostingQuery(LuceneQuery query, LuceneQuery contextQuery, float?boost)
{
if (contextQuery == null || boost == null)
{
return(query);
}
return(new BoostingQuery(query, contextQuery, boost.Value));
}
public RecencyBoostingQuery(LuceneQuery subQuery, string fieldName, TimeGranularity granularity, double alpha, double halfDecay)
: base(subQuery)
{
_fieldName = fieldName;
_granularity = granularity;
_alpha = alpha;
_halfDecay = halfDecay;
}
private LuceneQuery BoostContentQuery(LuceneQuery contentQuery, MemberSearchQuery query)
{
if (contentQuery == null || query.SortOrder != MemberSortOrder.Relevance)
{
return(contentQuery);
}
// Boost recent job titles.
var jobTitleQuery = query.Keywords.GetLuceneBoostQuery(query.IncludeSynonyms ? FieldName.JobTitleRecent : FieldName.JobTitleRecent_Exact, _queryAnalyzer);
return(_booster.GetJobTitleBoostingQuery(contentQuery, jobTitleQuery));
}
protected LuceneQuery GetRecencyBoostingQuery(LuceneQuery query, string fieldName, TimeGranularity granularity, double?alpha, double?halfDecay)
{
return((alpha == null || halfDecay == null)
? query
: new RecencyBoostingQuery(query, fieldName, granularity, alpha.Value, halfDecay.Value));
}
