internal Shard UpdateShard(Shard currentShard, ShardUpdate update)
{
ExceptionUtils.DisallowNullArgument(currentShard, "currentShard");
ExceptionUtils.DisallowNullArgument(update, "update");
using (ActivityIdScope activityIdScope = new ActivityIdScope(Guid.NewGuid()))
{
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMap,
"UpdateShard",
"Start; Shard: {0}",
currentShard.Location);
Stopwatch stopwatch = Stopwatch.StartNew();
Shard shard = _defaultMapper.UpdateShard(currentShard, update);
stopwatch.Stop();
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMap,
"UpdateShard",
"Complete; Shard: {0}; Duration: {1}",
currentShard.Location,
stopwatch.Elapsed);
return(shard);
}
}
/// <summary>
/// Allows for update to a shard with the updates provided in the <paramref name="update"/> parameter.
/// </summary>
/// <param name="currentShard">Shard to be updated.</param>
/// <param name="update">Updated properties of the Shard.</param>
/// <returns>New Shard instance with updated information.</returns>
internal Shard UpdateShard(Shard currentShard, ShardUpdate update)
{
Debug.Assert(currentShard != null);
Debug.Assert(update != null);
ExceptionUtils.EnsureShardBelongsToShardMap(
this.Manager,
this.ShardMap,
currentShard,
"UpdateShard",
"Shard");
// CONSIDER(wbasheer): Have refresh semantics for trivial case when nothing is modified.
if (!update.IsAnyPropertySet(ShardUpdatedProperties.All))
{
return(currentShard);
}
DefaultStoreShard sNew = new DefaultStoreShard(
currentShard.Id,
Guid.NewGuid(),
currentShard.ShardMapId,
currentShard.Location,
update.IsAnyPropertySet(ShardUpdatedProperties.Status) ? (int)update.Status : currentShard.StoreShard.Status);
using (IStoreOperation op = this.Manager.StoreOperationFactory.CreateUpdateShardOperation(
this.Manager,
this.ShardMap.StoreShardMap,
currentShard.StoreShard,
sNew))
{
op.Do();
}
return(new Shard(this.Manager, this.ShardMap, sNew));
}
