/// <summary>
/// Creates and adds a point mapping to ShardMap.
/// </summary>
/// <param name="point">Point for which to create the mapping.</param>
/// <param name="shard">Shard associated with the point mapping.</param>
/// <returns>Newly created mapping.</returns>
public PointMapping <TKey> CreatePointMapping(TKey point, Shard shard)
{
ExceptionUtils.DisallowNullArgument(shard, "shard");
using (ActivityIdScope activityIdScope = new ActivityIdScope(Guid.NewGuid()))
{
PointMappingCreationInfo <TKey> args = new PointMappingCreationInfo <TKey>(point, shard, MappingStatus.Online);
string mappingKey = BitConverter.ToString(args.Key.RawValue);
Tracer.TraceInfo(TraceSourceConstants.ComponentNames.ListShardMap,
"CreatePointMapping", "Start; ShardMap name: {0}; Point Mapping: {1}",
this.Name, mappingKey);
Stopwatch stopwatch = Stopwatch.StartNew();
PointMapping <TKey> pointMapping = _lsm.Add(new PointMapping <TKey>(this.Manager, args));
stopwatch.Stop();
Tracer.TraceInfo(TraceSourceConstants.ComponentNames.ListShardMap,
"CreatePointMapping", "Complete; ShardMap name: {0}; Point Mapping: {1}; Duration: {2}",
this.Name, mappingKey, stopwatch.Elapsed);
return(pointMapping);
}
}
/// <summary>
/// Constructs a point mapping given mapping creation arguments.
/// </summary>
/// <param name="manager">Owning ShardMapManager.</param>
/// <param name="creationInfo">Mapping creation information.</param>
internal PointMapping(ShardMapManager manager, PointMappingCreationInfo <TKey> creationInfo)
{
Debug.Assert(manager != null);
Debug.Assert(creationInfo != null);
Debug.Assert(creationInfo.Shard != null);
this.Manager = manager;
_shard = creationInfo.Shard;
this.StoreMapping = new DefaultStoreMapping(
Guid.NewGuid(),
creationInfo.Shard,
creationInfo.Key.RawValue,
null,
(int)creationInfo.Status);
this.Key = creationInfo.Key;
this.Value = creationInfo.Value;
}