[PZahnen]

Implements the xtraplatform-spatial part of ldproxy/ldproxy#1171: spatial and temporal extents can be configured in the providers instead of only at the API level.

Configuration

Feature providers

• extent.spatial and extent.temporal on the provider and on each type. A configured extent is never computed. Each part of a type extent replaces the same part of the provider extent.
• Spatial coordinates are in the native CRS of the provider. Temporal bounds are dates (yyyy-MM-dd, UTC, end inclusive) or date-times with offset; a missing bound is open.
• computed: true on a type discards an inherited fixed extent. computed: false is rejected, and computed must not be combined with coordinates or bounds.

Tile providers (tilesetDefaults and tilesets, coordinates always in CRS84)

• Features: if not set, the extent of the feature provider (fixed or computed) is used, as before.
• HTTP: if not set, the union of the extents of the tile matrix sets is used.
• MBTiles: if not set, bounds from the MBTiles metadata is used.

Query restriction (SQL providers only, queryGeneration)

• restrictToSpatialExtent and restrictToTemporalExtent (both default true) add S_INTERSECTS/T_INTERSECTS predicates for fixed extents to all queries for multiple features. Queries for a single feature by id are not restricted.

Behavior changes

• Fixed extents are returned before the stats cache, so feature changes no longer affect them. Computed extents, including tileset bounds, are still recomputed on changes.
• WFS and GraphQL providers: an inverted containsKey check made getSpatialExtent (and getFeatureCount for GraphQL) always return nothing; they now return computed values.

Notes

• FeatureTypeConfiguration.getExtent() conflicts with getExtent() in ldproxy's FeatureTypeConfigurationOgcApi; this is resolved in the related ldproxy PR.
• All new options are @since v4.9.
• Tests: SpatialExtentSpec, TemporalExtentSpec, FeatureTypeExtentSpec, ExtentFiltersSpec, TileProviderHttpExtentSpec and extent cases in FilterEncoderSqlSpec (SQL text for PostGIS only).

[azahnen]

• TemporalExtent
  • should be UTC ISO datetime (YYYY-MM-DDTHH:mm:ss.sssZ)
  • use DateTimeFormatter.ISO_INSTANT.parse to validate
  • add methods for start and end (@Value.Derived, @JsonIgnore) that return Instant (Instant.from(DateTimeFormatter.ISO_INSTANT.parse))
• SpatialExtent
  • toBoundingBox should be moved here with nativeCrs as parameter
• FeatureProvider*
  • it seems there is a lot of duplicated code, move to AbstractFeatureProvider where appropiate

[PZahnen]

Thanks, should be taken care of now.