protected override Query GetFieldQuery(string field, string queryText, int slop)
{
if (field == "released_inthelast" && CustomQueryParser.ParseStart(queryText, out DateTime start))
{
var todayString = DateTime.Today.ToString("yyyyMMdd");
var dateString = start.ToString("yyyyMMdd");
return(base.GetRangeQuery("release_date", dateString, todayString, true, true));
}
if (field == "released_notinthelast" && CustomQueryParser.ParseStart(queryText, out DateTime finish))
{
var dateString = finish.ToString("yyyyMMdd");
return(base.GetRangeQuery("release_date", "00000000", dateString, false, false));
}
if (field == "added_inthelast" && CustomQueryParser.ParseStart(queryText, out DateTime addedStart))
{
var todayString = DateTime.Today.ToString("yyyyMMdd");
var dateString = addedStart.ToString("yyyyMMdd");
return(base.GetRangeQuery("added_date", dateString, todayString, true, true));
}
if (field == "added_notinthelast" && CustomQueryParser.ParseStart(queryText, out DateTime addedFinish))
{
var dateString = addedFinish.ToString("yyyyMMdd");
return(base.GetRangeQuery("added_date", "00000000", dateString, false, false));
}
return(base.GetFieldQuery(field, queryText, slop));
}
public IEnumerable <LogEntry> Filter(string queryString, ViewFilter view, int count, Direction direction, ulong?referenceId, out int totalCount)
{
var context = new IncermentalSearchContext(count, direction, referenceId);
var parser = new CustomQueryParser(LuceneNet.Util.Version.LUCENE_30, MessageFieldName, analyzer);
var sortBy = new Sort(new SortField(IdFieldName, SortField.LONG, direction == Direction.Backward));
while (true)
{
var combinedQueryString = Searcher.CombineQuery(queryString, view, context.Range);
if (combinedQueryString.Length == 0)
{
totalCount = 0;
return(new LogEntry[0]);
}
var query = parser.Parse(combinedQueryString);
lock (searcherLock)
{
var searchResults = searcher.Search(query, null, count, sortBy);
totalCount = searchResults.TotalHits;
var result = searchResults.ScoreDocs.Take(count).Select(d => searcher.Doc(d.Doc)).Select(x => converter.ToLogEntry(x));
context.UpdateResult(result);
if (context.IsFinished)
{
return((direction == Direction.Backward) ? context.Result.Reverse() : context.Result);
}
context.UpdateRange();
}
}
}
private ulong?FindFirstId(string queryString, ViewFilter view, Direction direction, ulong?referenceId, out int totalCount)
{
if (direction == Direction.Backward)
{
if (referenceId.HasValue && referenceId.Value > 0)
{
referenceId--;
}
}
else
{
if (referenceId.HasValue && referenceId.Value < ulong.MaxValue)
{
referenceId++;
}
}
var context = new IncermentalSearchContext(1, direction, referenceId);
while (true)
{
var combinedQueryString = Searcher.CombineQuery(queryString, view, context.Range);
if (combinedQueryString.Length == 0)
{
totalCount = 0;
return(null);
}
var parser = new CustomQueryParser(LuceneNet.Util.Version.LUCENE_30, MessageFieldName, analyzer);
var query = parser.Parse(combinedQueryString);
var sortBy = new Sort(new SortField(IdFieldName, SortField.LONG, direction == Direction.Backward));
lock (searcherLock)
{
var searchResults = searcher.Search(query, null, 1, sortBy);
var firstResult = searchResults.ScoreDocs.FirstOrDefault();
totalCount = searchResults.TotalHits;
if (firstResult != null)
{
return(converter.ToLogEntry(searcher.Doc(firstResult.Doc)).Id);
}
if (context.IsFinished)
{
return(null);
}
context.UpdateRange();
}
}
}
private static Queryable <T> GenerateContext <T>(NullQueryableDataSource nullQueryableDataSource)
{
return(new Queryable <T>(new Executor(nullQueryableDataSource, null), CustomQueryParser.CreateDefault()));
}
private ulong? FindFirstId(string queryString, ViewFilter view, Direction direction, ulong? referenceId, out int totalCount)
{
if(direction == Direction.Backward)
{
if(referenceId.HasValue && referenceId.Value > 0)
{
referenceId--;
}
}
else
{
if(referenceId.HasValue && referenceId.Value < ulong.MaxValue)
{
referenceId++;
}
}
var context = new IncermentalSearchContext(1, direction, referenceId);
while(true)
{
var combinedQueryString = Searcher.CombineQuery(queryString, view, context.Range);
if(combinedQueryString.Length == 0)
{
totalCount = 0;
return null;
}
var parser = new CustomQueryParser(LuceneNet.Util.Version.LUCENE_30, MessageFieldName, analyzer);
var query = parser.Parse(combinedQueryString);
var sortBy = new Sort(new SortField(IdFieldName, SortField.LONG, direction == Direction.Backward));
lock(searcherLock)
{
var searchResults = searcher.Search(query, null, 1, sortBy);
var firstResult = searchResults.ScoreDocs.FirstOrDefault();
totalCount = searchResults.TotalHits;
if(firstResult != null)
{
return converter.ToLogEntry(searcher.Doc(firstResult.Doc)).Id;
}
if(context.IsFinished)
{
return null;
}
context.UpdateRange();
}
}
}
public IEnumerable<LogEntry> Filter(string queryString, ViewFilter view, int count, Direction direction, ulong? referenceId, out int totalCount)
{
var context = new IncermentalSearchContext(count, direction, referenceId);
var parser = new CustomQueryParser(LuceneNet.Util.Version.LUCENE_30, MessageFieldName, analyzer);
var sortBy = new Sort(new SortField(IdFieldName, SortField.LONG, direction == Direction.Backward));
while(true)
{
var combinedQueryString = Searcher.CombineQuery(queryString, view, context.Range);
if(combinedQueryString.Length == 0)
{
totalCount = 0;
return new LogEntry[0];
}
var query = parser.Parse(combinedQueryString);
lock(searcherLock)
{
var searchResults = searcher.Search(query, null, count, sortBy);
totalCount = searchResults.TotalHits;
var result = searchResults.ScoreDocs.Take(count).Select(d => searcher.Doc(d.Doc)).Select(x => converter.ToLogEntry(x));
context.UpdateResult(result);
if(context.IsFinished)
{
return (direction == Direction.Backward) ? context.Result.Reverse() : context.Result;
}
context.UpdateRange();
}
}
}
public Queryable(IQueryExecutor executor)
: this(executor, CustomQueryParser.CreateDefault())
{
}
