public RecursivePrefixTreeStrategyDistanceCustomScoreQuery(Query subQuery, RecursivePrefixTreeStrategy strategy, Point origin, String shapeField)
: base(subQuery)
{
_strategy = strategy;
_origin = origin;
_cacheProvider = new PointPrefixTreeFieldCacheProvider(_strategy.GetGrid(), shapeField, 255);
}
public RecursivePrefixTreeStrategyDistranceCustomScoreProvider(IndexReader reader, RecursivePrefixTreeStrategy strategy, PointPrefixTreeFieldCacheProvider cacheProvider, Point origin)
: base(reader)
{
var ctx = strategy.GetSpatialContext();
_originPt = origin;
_calculator = ctx.GetDistCalc();
_nullValue = (ctx.IsGeo() ? 180 : float.MaxValue);
_cache = cacheProvider.GetCache(reader);
}
public ShapeFieldCacheProvider<Point> GetCacheProvider()
{
PointPrefixTreeFieldCacheProvider p;
if (!provider.TryGetValue(GetFieldName(), out p) || p == null)
{
lock (this)
{//double checked locking idiom is okay since provider is threadsafe
if (!provider.ContainsKey(GetFieldName()))
{
p = new PointPrefixTreeFieldCacheProvider(grid, GetFieldName(), defaultFieldValuesArrayLen);
provider[GetFieldName()] = p;
}
}
}
return p;
}
