internal static ScoreDocComparator GetCachedComparator(IndexReader reader, System.String field, int type, Mono.Lucene.Net.Search.Parser parser, System.Globalization.CultureInfo locale, SortComparatorSource factory)
{
if (type == SortField.DOC)
{
return(Mono.Lucene.Net.Search.ScoreDocComparator_Fields.INDEXORDER);
}
if (type == SortField.SCORE)
{
return(Mono.Lucene.Net.Search.ScoreDocComparator_Fields.RELEVANCE);
}
FieldCacheImpl.Entry entry = (factory != null)?new FieldCacheImpl.Entry(field, factory):((parser != null)?new FieldCacheImpl.Entry(field, type, parser):new FieldCacheImpl.Entry(field, type, locale));
return((ScoreDocComparator)Comparators.Get(reader, entry));
}
protected internal override System.Object CreateValue(IndexReader reader, FieldCacheImpl.Entry entryKey)
{
FieldCacheImpl.Entry entry = (FieldCacheImpl.Entry)entryKey;
System.String fieldname = entry.field;
int type = entry.type;
System.Globalization.CultureInfo locale = entry.locale;
Mono.Lucene.Net.Search.Parser parser = null;
SortComparatorSource factory = null;
if (entry.custom is SortComparatorSource)
{
factory = (SortComparatorSource)entry.custom;
}
else
{
parser = (Mono.Lucene.Net.Search.Parser)entry.custom;
}
ScoreDocComparator comparator;
switch (type)
{
case SortField.AUTO:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.ComparatorAuto(reader, fieldname);
break;
case SortField.INT:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorInt(reader, fieldname, (Mono.Lucene.Net.Search.IntParser)parser);
break;
case SortField.FLOAT:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorFloat(reader, fieldname, (Mono.Lucene.Net.Search.FloatParser)parser);
break;
case SortField.LONG:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorLong(reader, fieldname, (Mono.Lucene.Net.Search.LongParser)parser);
break;
case SortField.DOUBLE:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorDouble(reader, fieldname, (Mono.Lucene.Net.Search.DoubleParser)parser);
break;
case SortField.SHORT:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorShort(reader, fieldname, (Mono.Lucene.Net.Search.ShortParser)parser);
break;
case SortField.BYTE:
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorByte(reader, fieldname, (Mono.Lucene.Net.Search.ByteParser)parser);
break;
case SortField.STRING:
if (locale != null)
{
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorStringLocale(reader, fieldname, locale);
}
else
{
comparator = Mono.Lucene.Net.Search.FieldSortedHitQueue.comparatorString(reader, fieldname);
}
break;
case SortField.CUSTOM:
comparator = factory.NewComparator(reader, fieldname);
break;
default:
throw new System.SystemException("unknown field type: " + type);
}
return(comparator);
}
