Metadata Structure

CollectionMetadataFacade

{
   "name":"CollectionMetadataFacadeCollectionDropOrDecrementAttribute",
   "internal-name":"collection.collectionmetadatafacadecollectiondropordecrementattribute_0",
   "project-id":"default",
   "attributes":{
      "attribute 1":{
         "attribute-name":"attribute 1",
         "attribute-constraints":[ "isNumber", "lessThan:3"],
         "attribute-count":1,
         "child-attributes":{
            "child":{
               "attribute-name":"child",
               "attribute-constraints":[],
               "attribute-count":1,
               "child-attributes":{

               }
            }
         }
      }
   },
   "last-time-used":   ISODate("2017-03-24T17:04:10.989   Z"),
   "recently-used-documents":[]
}

name is name of collection given by user,

internal-name is actual name of the collection,

project-id is project ID,

attributes is a document, keys are names of the attributes, values are documents with metadata,

attribute-constraints is array of strings with constraints configurations,

attribute-count is a number of documents in collection that contain the attribute,

child-attributes are attributes of nested documents,

last-time-used is the time when collection was used for the last time,

recently-used-documents is an array of IDs of documents in collection, the first is the one most recently used.

DocumentMetadataFacade

TODO

ViewFacade

TODO

VersionFacade

TODO