phibernate
Version:
Client side ORM and Delta Tracker for Relational data
42 lines • 1.63 kB
JavaScript
;
const DeltaRecord_1 = require("../changeList/model/DeltaRecord");
(function (IdGeneration) {
IdGeneration[IdGeneration["ENTITY_CHANGE_ID"] = 0] = "ENTITY_CHANGE_ID";
})(exports.IdGeneration || (exports.IdGeneration = {}));
var IdGeneration = exports.IdGeneration;
class UserTimeStampIdGenerator {
generateChangeGroupId(changeGroup) {
let cgIndexInMillisecond = this.getChangeGroupIndexInMillisecond();
changeGroup.groupIndexInMillisecond = cgIndexInMillisecond;
return DeltaRecord_1.DeltaRecord.getDRId(changeGroup, cgIndexInMillisecond);
}
generateEntityId(entity, entityChange) {
// TODO: implement non change-based id generation
return entityChange.id;
}
getChangeGroupIndexInMillisecond() {
let nowTimeStamp = new Date().getTime();
if (this.lastChangeGroupTimestamp != nowTimeStamp) {
this.lastChangeGroupTimestamp = nowTimeStamp;
this.lastChangeGroupIndexForTimeStamp = 1;
}
else {
this.lastChangeGroupIndexForTimeStamp++;
}
return this.lastChangeGroupIndexForTimeStamp;
}
getIdType() {
return 'string';
}
}
exports.UserTimeStampIdGenerator = UserTimeStampIdGenerator;
function getIdGenerator(idGeneration) {
switch (idGeneration) {
case IdGeneration.ENTITY_CHANGE_ID:
return new UserTimeStampIdGenerator();
default:
throw `Unsupported IdGeneration: ${idGeneration}`;
}
}
exports.getIdGenerator = getIdGenerator;
//# sourceMappingURL=IdGenerator.js.map