public IProjectionGetResult <T> Get <T>(IBlobId projectionId) where T : IProjectionDefinition
{
if (ReferenceEquals(null, projectionId))
{
throw new ArgumentNullException(nameof(projectionId));
}
Type projectionType = typeof(T);
string contractId = projectionType.GetContractId();
try
{
ProjectionVersion liveVersion = GetProjectionVersions(contractId).GetLive();
if (ReferenceEquals(null, liveVersion))
{
log.Warn(() => $"Unable to find `live` version for projection with contract id {contractId} and name {projectionType.Name}");
return(new ProjectionGetResult <T>(default(T)));
}
ISnapshot snapshot = snapshotStore.Load(contractId, projectionId, liveVersion);
ProjectionStream stream = LoadProjectionStream(projectionType, liveVersion, projectionId, snapshot);
IProjectionGetResult <T> queryResult = stream.RestoreFromHistory <T>();
return(queryResult);
}
catch (Exception ex)
{
log.ErrorException($"Unable to load projection. ProjectionId:{projectionId} ProjectionContractId:{contractId} ProjectionName:{projectionType.Name}", ex);
return(new ProjectionGetResult <T>(default(T)));
}
}
public IProjectionGetResult <T> Get <T>(IBlobId projectionId) where T : IProjectionDefinition
{
try
{
Type projectionType = typeof(T);
string contractId = projectionType.GetContractId();
ProjectionVersion liveVersion = GetProjectionVersions(contractId).GetLive();
ISnapshot snapshot = snapshotStore.Load(contractId, projectionId, liveVersion);
ProjectionStream stream = LoadProjectionStream(projectionType, liveVersion, projectionId, snapshot);
IProjectionGetResult <T> queryResult = stream.RestoreFromHistory <T>();
return(queryResult);
}
catch (Exception ex)
{
log.ErrorException(ex.Message, ex);
return(new ProjectionGetResult <T>(default(T)));
}
}
