trait Datomic extends AnyRef
Facade to Datomic with selected methods.
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- Datomic.scala
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def
recreateDbFrom(schema: SchemaTransaction, identifier: String = "", protocol: String = "mem"): Conn
Deletes existing database (!) and creates a new empty db with schema from Schema Transaction file.
Deletes existing database (!) and creates a new empty db with schema from Schema Transaction file.
A typical development cycle in the initial stages of creating the db schema:- Edit schema definition file
sbt compile
to update boilerplate code in generated jars- Obtain a fresh connection to new empty db with updated schema:
implicit val conn = recreateDbFrom(YourDomainSchema)
- schema
Auto-generated YourDomainSchema Transaction object
(in package yourdomain.schema of generated source jar)- identifier
Optional String identifier to name database (default empty string creates a randomUUID)
- protocol
Datomic protocol. Defaults to "mem" for in-memory database.
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def
recreateDbFromRaw(schemaData: List[_], identifier: String = "", protocol: String = "mem"): Conn
Deletes existing database (!) and creates a new empty db with schema from schema data structure.
Deletes existing database (!) and creates a new empty db with schema from schema data structure.
Schema data structure is a java List of Map's of key/value pairs defining the schema.
Can be an EDN file like the mbrainz example.- schemaData
java.util.List of java.util.Maps of key/values defining a Datomic schema
- identifier
Optional String identifier to name database (default empty string creates a randomUUID)
- protocol
Datomic protocol. Defaults to "mem" for in-memory database.
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transactSchema(schema: SchemaTransaction, identifier: String, protocol: String = "mem"): Conn
Transact schema from auto-generated schema transaction data.
Transact schema from auto-generated schema transaction data.
- schema
sbt-plugin auto-generated Transaction file path.to.schema.YourDomainSchema
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Documentation/API for the Molecule library - a meta DSL for the Datomic database.
Manual | scalamolecule.org | Github | Forum