/// <summary>
/// Saves the snap shot.
/// </summary>
/// <param name="entity">The entity.</param>
/// <param name="snapShotType">Type of the snap shot.</param>
/// <param name="events">The events.</param>
/// <param name="state">The state.</param>
/// <exception cref="System.NotImplementedException"></exception>
public void SaveSnapShot(TEntity entity, SnapShotType snapShotType, IEnumerable <IDomainEvent <TEntity> > events, string state)
{
var query = _querySnapshotBuilder.GetQuery(snapShotType, entity);
var entitySourceWrapper = (EntityEventSourceWrapper)NHibernateHelper.CurrentSession
.CreateCriteria <EntityEventSourceWrapper>()
.Add(query).UniqueResult();
entitySourceWrapper.SnapShot = entity.ToBson();
entitySourceWrapper.Version = entity.Version;
entitySourceWrapper.State = state;
entitySourceWrapper.ClearEvents();
foreach (var domainEvent in events)
{
var eventWrapper = new EventWrapper
{
Type = domainEvent.GetType().Name,
Data = domainEvent.ToBson()
};
entitySourceWrapper.AddEvent(eventWrapper);
}
NHibernateHelper.CurrentSession.Update(entitySourceWrapper);
NHibernateHelper.CurrentSession.Flush();
}
/// <summary>
/// Gets the query.
/// </summary>
/// <param name="snapShotType">Type of the snap shot.</param>
/// <param name="entity">The entity.</param>
/// <returns></returns>
public IMongoQuery GetQuery(SnapShotType snapShotType, TEntity entity)
{
return(snapShotType == SnapShotType.ById
? Query.EQ("_id", BsonDocumentWrapper.Create(entity.Id))
: Query.And(Query.EQ("_id", BsonDocumentWrapper.Create(entity.Id)),
Query.Or(Query.NotExists("Version"),
Query.LTE("Version", BsonDocumentWrapper.Create(entity.Version)))
));
}
/// <summary>
/// Saves the snap shot.
/// </summary>
/// <param name="entity">The entity.</param>
/// <param name="snapShotType">Type of the snap shot.</param>
/// <param name="events">The events.</param>
/// <param name="state">The state.</param>
public void SaveSnapShot(TEntity entity, SnapShotType snapShotType, IEnumerable <IDomainEvent <TEntity> > events, string state)
{
_repository.Update
(
_mongoBuilder.GetQuery(snapShotType, entity),
x => ((UpdateBuilder)x.GetUpdateBuilder())
.Set("SnapShot", BsonDocumentWrapper.Create(entity))
.Set("Version", BsonDocumentWrapper.Create(entity.Version))
.Set("State", BsonDocumentWrapper.Create(state))
.PullAll("Events", events.Select(BsonDocumentWrapper.Create))
.Set("AppliedEvents", BsonDocumentWrapper.Create(events))
);
}
internal SnapShotData(SnapShotType type, string ownerId, byte[] buffer)
{
Type = type;
Buffer = buffer;
OwnerId = ownerId;
}
/// <summary>
/// Gets the query.
/// </summary>
/// <param name="snapShotType">Type of the snap shot.</param>
/// <param name="entity">The entity.</param>
/// <returns></returns>
public ICriterion GetQuery(SnapShotType snapShotType, TEntity entity)
{
return(snapShotType == SnapShotType.ById
? Restrictions.Eq("Id", entity.Id)
: Restrictions.And(Restrictions.Eq("Id", entity.Id), Restrictions.Le("Version", entity.Version)));
}
