public JobAdHighlighter(LuceneQuery contentQuery, LuceneQuery titleQuery, LuceneQuery advertiserQuery, Analyzer contentAnalyzer, HighlighterConfiguration configuration)
: base(contentAnalyzer, configuration)
{
_contentQuery = contentQuery;
_titleQuery = titleQuery;
_advertiserQuery = advertiserQuery;
}
public ResumeHighlighter(LuceneQuery contentQuery, LuceneQuery jobTitleQuery, LuceneQuery desiredJobTitleQuery, LuceneQuery employerQuery, LuceneQuery educationQuery, Analyzer contentAnalyzer, HighlighterConfiguration configuration)
: base(contentAnalyzer, configuration)
{
_contentQuery = contentQuery;
_jobTitleQuery = jobTitleQuery;
_desiredJobTitleQuery = desiredJobTitleQuery;
_employerQuery = employerQuery;
_educationQuery = educationQuery;
}
protected LuceneQuery GetQuery(LuceneQuery contentQuery, int?seniorityIndex, float sigma)
{
if (!seniorityIndex.HasValue)
{
return(contentQuery);
}
var seniorityQuery = new ValueSourceQuery(new IntFieldSource(_fieldName));
return(new SeniorityIndexQuery(contentQuery, seniorityQuery, seniorityIndex.Value, sigma));
}
protected string Highlight(LuceneQuery query, string text, bool htmlEncodeOutput)
{
if (string.IsNullOrEmpty(text))
{
return(string.Empty);
}
try
{
Encoder encoder;
if (htmlEncodeOutput)
{
encoder = new SimpleHTMLEncoder();
}
else
{
encoder = new DefaultEncoder();
}
if (query == null)
{
return(encoder.encodeText(text)); // nothing to highlight
}
// Build the highlighter.
var formatter = new SimpleHTMLFormatter(_configuration.StartTag, _configuration.EndTag);
var highlighter = new LuceneHighlighter(formatter, encoder, new QueryScorer(query));
highlighter.setTextFragmenter(new NullFragmenter());
// Perform highlighting.
var highlightedHtml = highlighter.getBestFragment(_contentAnalyzer, string.Empty, text);
return(highlightedHtml ?? encoder.encodeText(text));
}
catch (Exception)
{
// on error just return the original string
return(text);
}
}
protected string Summarize(LuceneQuery query, string text, bool htmlEncodeOutput)
{
if (query == null || string.IsNullOrEmpty(text))
{
return(null);
}
try
{
// Build the highlighter.
var formatter = new SimpleHTMLFormatter(_configuration.StartTag, _configuration.EndTag);
var scorer = new QueryScorer(query);
Encoder encoder;
if (htmlEncodeOutput)
{
encoder = new SimpleHTMLEncoder();
}
else
{
encoder = new DefaultEncoder();
}
var highlighter = new LuceneHighlighter(formatter, encoder, scorer);
highlighter.setTextFragmenter(new SimpleSpanFragmenter(scorer, _configuration.FragmentSize));
// Perform highlighting.
var tokenStream = _contentAnalyzer.tokenStream(string.Empty, new java.io.StringReader(text));
return(highlighter.getBestFragments(tokenStream, text, _configuration.MaxFragments, _configuration.Separator));
}
catch (Exception)
{
// on error just return the original string
return(text);
}
}
private void AddSection(ICollection <KeyValuePair <string, string> > summaries, LuceneQuery query, string sectionName, string sectionText)
{
var sectionSummary = Summarize(query, sectionText, true);
if (!string.IsNullOrEmpty(sectionSummary))
{
summaries.Add(new KeyValuePair <string, string>(sectionName, sectionSummary));
}
}
internal SeniorityIndexQuery(LuceneQuery subQuery, ValueSourceQuery valueSourceQuery, int seniorityIndex, float sigma)
: base(subQuery, valueSourceQuery)
{
_seniorityIndex = seniorityIndex;
_sigma = sigma;
}
public FaqHighlighter(LuceneQuery contentQuery, Analyzer contentAnalyzer, HighlighterConfiguration configuration)
: base(contentAnalyzer, configuration)
{
_contentQuery = contentQuery;
}
LuceneQuery IMemberSearchBooster.GetJobTitleBoostingQuery(LuceneQuery query, LuceneQuery jobTitleQuery)
{
return(GetBoostingQuery(query, jobTitleQuery, JobTitleBoost));
}
LuceneQuery IMemberSearchBooster.GetRecencyBoostingQuery(LuceneQuery query)
{
return(GetRecencyBoostingQuery(query, FieldName.LastUpdatedDay, TimeGranularity.Day, RecencyAlpha, RecencyHalfDecay));
}
LuceneQuery IJobAdSearchBooster.GetRecencyBoostingQuery(LuceneQuery query)
{
return(GetRecencyBoostingQuery(query, FieldName.CreatedTime, TimeGranularity.Hour, RecencyAlpha, RecencyHalfDecay));
}
