datomisca.SchemaFact.scala Maven / Gradle / Ivy
/*
* Copyright 2012 Pellucid and Zenexity
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package datomisca
object SchemaFact {
/** add based on Schema attributes
*/
def add[T, DD <: AnyRef, Card <: Cardinality, A](id: T)(attrVal: (Attribute[DD, Card], A))
(implicit ev1: AsEntityId[T], ev2: Attribute2FactWriter[DD, Card, A]): AddFact = {
val (kw: Keyword, value: AnyRef) = ev2.convert(attrVal)
new AddFact(ev1.conv(id), kw, value)
}
/** retract based on Schema attributes
*/
def retract[T, DD <: AnyRef, Card <: Cardinality, A](id: T)(attrVal: (Attribute[DD, Card], A))
(implicit ev1: AsPermanentEntityId[T], ev2: Attribute2FactWriter[DD, Card, A]): RetractFact = {
val (kw: Keyword, value: AnyRef) = ev2.convert(attrVal)
new RetractFact(ev1.conv(id), kw, value)
}
}