Package org.grails.datastore.bson.query

Interface BsonQuery.ProjectionHandler<T extends org.grails.datastore.mapping.query.Query.Projection>

  • Type Parameters:
    T -
    Enclosing class:
    BsonQuery
    protected static interface BsonQuery.ProjectionHandler<T extends org.grails.datastore.mapping.query.Query.Projection>
    Handles a projection

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      java.lang.String handle​(org.grails.datastore.mapping.model.PersistentEntity entity, org.bson.Document projectObject, org.bson.Document groupByObject, T projection)
      Handles a projection modifying the aggregation pipeline appropriately

    • Method Detail

      • handle

        java.lang.String handle​(org.grails.datastore.mapping.model.PersistentEntity entity,
                        org.bson.Document projectObject,
                        org.bson.Document groupByObject,
                        T projection)
        Handles a projection modifying the aggregation pipeline appropriately
        Parameters:
        entity - The entity
        groupByObject - The group by object
        projection - The projection
        Returns:
        The key to be used to obtain the projected value from the pipeline results