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"); }