protected virtual Lucene.Net.Search.Query VisitWithinRadius(WithinRadiusNode node, LuceneQueryMapperState mappingState)
{
SpatialContext ctx = SpatialContext.GEO;
var strategy = new PointVectorStrategy(ctx, Sitecore.ContentSearch.Spatial.Common.Constants.LocationFieldName);
if (node.Latitude is double && node.Longitude is double && node.Radius is double)
{
var distance = DistanceUtils.Dist2Degrees((double)node.Radius, DistanceUtils.EARTH_MEAN_RADIUS_MI);
Circle circle = ctx.MakeCircle((double)node.Longitude,(double)node.Latitude, distance);
var spatialArgs = new SpatialArgs(SpatialOperation.IsWithin, circle);
var dq = strategy.MakeQuery(spatialArgs);
DistanceReverseValueSource valueSource = new DistanceReverseValueSource(strategy, circle.GetCenter(), distance);
ValueSourceFilter vsf = new ValueSourceFilter(new QueryWrapperFilter(dq), valueSource, 0, distance);
var filteredSpatial = new FilteredQuery(new MatchAllDocsQuery(), vsf);
mappingState.FilterQuery = filteredSpatial;
Lucene.Net.Search.Query spatialRankingQuery = new FunctionQuery(valueSource);
Random r = new Random(DateTime.Now.Millisecond);
var randomNumber = r.Next(10000101,11000101);
Lucene.Net.Search.Query dummyQuery = Lucene.Net.Search.NumericRangeQuery.NewIntRange("__smallcreateddate", randomNumber, Int32.Parse(DateTime.Now.ToString("yyyyMMdd")), true, true);
BooleanQuery bq = new BooleanQuery();
bq.Add(filteredSpatial, Occur.MUST);
bq.Add(spatialRankingQuery, Occur.MUST);
bq.Add(dummyQuery, Occur.SHOULD);
return bq;
}
throw new NotSupportedException("Wrong parameters type, Radius, latitude and longitude must be of type double");
}
protected override Lucene.Net.Search.Query Visit(Sitecore.ContentSearch.Linq.Nodes.QueryNode node, LuceneQueryMapperState mappingState)
{
var withinRadiusNode = node as WithinRadiusNode;
if (withinRadiusNode != null)
{
return VisitWithinRadius(withinRadiusNode, mappingState);
}
else
return base.Visit(node, mappingState);
}
protected virtual Lucene.Net.Search.Query VisitWithinRadius(WithinRadiusNode node, LuceneQueryMapperState mappingState)
{
SpatialContext ctx = SpatialContext.GEO;
var strategy = new PointVectorStrategy(ctx, Sitecore.ContentSearch.Spatial.Common.Constants.LocationFieldName);
if (node.Latitude is double && node.Longitude is double && node.Radius is double)
{
var distance = DistanceUtils.Dist2Degrees((double)node.Radius, DistanceUtils.EARTH_MEAN_RADIUS_MI);
Circle circle = ctx.MakeCircle((double)node.Longitude, (double)node.Latitude, distance);
var spatialArgs = new SpatialArgs(SpatialOperation.Intersects, circle);
var dq = strategy.MakeQuery(spatialArgs);
DistanceReverseValueSource valueSource = new DistanceReverseValueSource(strategy, circle.GetCenter(), distance);
ValueSourceFilter vsf = new ValueSourceFilter(new QueryWrapperFilter(dq), valueSource, 0, distance);
var filteredSpatial = new FilteredQuery(new MatchAllDocsQuery(), vsf);
Lucene.Net.Search.Query spatialRankingQuery = new FunctionQuery(valueSource);
BooleanQuery bq = new BooleanQuery();
bq.Add(filteredSpatial, Occur.MUST);
bq.Add(spatialRankingQuery, Occur.MUST);
return(bq);
}
throw new NotSupportedException("Wrong parameters type, Radius, latitude and longitude must be of type double");
}
protected override Lucene.Net.Search.Query Visit(Sitecore.ContentSearch.Linq.Nodes.QueryNode node, LuceneQueryMapperState mappingState)
{
var withinRadiusNode = node as WithinRadiusNode;
if (withinRadiusNode != null)
{
return(VisitWithinRadius(withinRadiusNode, mappingState));
}
else
{
return(base.Visit(node, mappingState));
}
}
protected virtual Lucene.Net.Search.Query VisitWithinRadius(WithinRadiusNode node, LuceneQueryMapperState mappingState)
{
SpatialContext ctx = SpatialContext.GEO;
var strategy = new PointVectorStrategy(ctx, Sitecore.ContentSearch.Spatial.Common.Constants.LocationFieldName);
if (node.Latitude is double && node.Longitude is double && node.Radius is double)
{
var distance = DistanceUtils.Dist2Degrees((double)node.Radius, DistanceUtils.EARTH_MEAN_RADIUS_MI);
Circle circle = ctx.MakeCircle((double)node.Longitude, (double)node.Latitude, distance);
var spatialArgs = new SpatialArgs(SpatialOperation.IsWithin, circle);
var dq = strategy.MakeQuery(spatialArgs);
DistanceReverseValueSource valueSource = new DistanceReverseValueSource(strategy, circle.GetCenter(), distance);
ValueSourceFilter vsf = new ValueSourceFilter(new QueryWrapperFilter(dq), valueSource, 0, distance);
var filteredSpatial = new FilteredQuery(new MatchAllDocsQuery(), vsf);
mappingState.FilterQuery = filteredSpatial;
Lucene.Net.Search.Query spatialRankingQuery = new FunctionQuery(valueSource);
Random r = new Random(DateTime.Now.Millisecond);
var randomNumber = r.Next(10000101, 11000101);
Lucene.Net.Search.Query dummyQuery = Lucene.Net.Search.NumericRangeQuery.NewIntRange("__smallcreateddate", randomNumber, Int32.Parse(DateTime.Now.ToString("yyyyMMdd")), true, true);
BooleanQuery bq = new BooleanQuery();
bq.Add(filteredSpatial, Occur.MUST);
bq.Add(spatialRankingQuery, Occur.MUST);
bq.Add(dummyQuery, Occur.SHOULD);
return(bq);
}
throw new NotSupportedException("Wrong parameters type, Radius, latitude and longitude must be of type double");
}
