Morphia — MongoDB Object Document Mapping for the JVM.
- Bidirectional mapping to and from the database
-
Transparently map your Java entities to MongoDB documents and back.
- Extensible Type Conversion
-
Easily add support for custom types
- Robust Query and Update APIs
- Full Aggregation Support
-
Use MongoDB’s aggregation framework with your application’s Java classes.
- Annotation driven indexing
- Geospatial Queries
Critter — Type safe criteria-builder for use with Morphia-based projects.
- Build time query generated helpers
-
Check your query definitions at build time
- Curated query and update operators
-
Only operations that make sense for the field’s type are exposed