/// <summary>
/// Tries to obtains a <see cref="RangeShardMap{TKey}"/> given the name.
/// </summary>
/// <typeparam name="TKey">Key type.</typeparam>
/// <param name="shardMapName">Name of shard map.</param>
/// <param name="shardMap">Shard map with the specified name.</param>
/// <returns><c>true</c> if shard map with the specified name was found, <c>false</c> otherwise.</returns>
public bool TryGetRangeShardMap <TKey>(string shardMapName, out RangeShardMap <TKey> shardMap)
{
ShardMapManager.ValidateShardMapName(shardMapName);
using (ActivityIdScope activityIdScope = new ActivityIdScope(Guid.NewGuid()))
{
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"TryGetRangeShardMap",
"Start; ShardMap: {0}",
shardMapName);
shardMap = this.LookupAndConvertShardMapHelper <RangeShardMap <TKey> >(
"TryGetRangeShardMap",
shardMapName,
ShardMapExtensions.AsRangeShardMap <TKey>,
false);
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMapManager,
"TryGetRangeShardMap",
"Complete; ShardMap: {0}",
shardMapName);
return(shardMap != null);
}
}
/// <summary>
/// Obtains a <see cref="ShardMap"/> given the name.
/// </summary>
/// <param name="shardMapName">Name of shard map.</param>
/// <returns>Shardmap with the specificed name.</returns>
public ShardMap GetShardMap(string shardMapName)
{
ShardMapManager.ValidateShardMapName(shardMapName);
using (ActivityIdScope activityIdScope = new ActivityIdScope(Guid.NewGuid()))
{
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"GetShardMap",
"Start; ShardMap: {0}",
shardMapName);
ShardMap shardMap = this.LookupAndConvertShardMapHelper <ShardMap>(
"GetShardMap",
shardMapName,
(sm, t) => sm,
true);
Debug.Assert(shardMap != null);
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMapManager,
"GetShardMap",
"Complete; ShardMap: {0}",
shardMapName);
return(shardMap);
}
}
/// <summary>
/// Obtains a <see cref="ListShardMap{TKey}"/> given the name.
/// </summary>
/// <typeparam name="TKey">Key type.</typeparam>
/// <param name="shardMapName">Name of shard map.</param>
/// <returns>Resulting ShardMap.</returns>
public ListShardMap <TKey> GetListShardMap <TKey>(string shardMapName)
{
ShardMapManager.ValidateShardMapName(shardMapName);
using (ActivityIdScope activityIdScope = new ActivityIdScope(Guid.NewGuid()))
{
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"GetListShardMap",
"Start; ShardMap: {0}",
shardMapName);
ListShardMap <TKey> shardMap = this.LookupAndConvertShardMapHelper <ListShardMap <TKey> >(
"GetListShardMap",
shardMapName,
ShardMapExtensions.AsListShardMap <TKey>,
true);
Debug.Assert(shardMap != null);
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMapManager,
"GetListShardMap",
"Complete; ShardMap: {0}",
shardMapName);
return(shardMap);
}
}
/// <summary>
/// Creates a list based <see cref="ListShardMap{TKey}"/>.
/// </summary>
/// <typeparam name="TKey">Type of keys.</typeparam>
/// <param name="shardMapName">Name of shard map.</param>
/// <returns>List shard map with the specified name.</returns>
public ListShardMap <TKey> CreateListShardMap <TKey>(string shardMapName)
{
ShardMapManager.ValidateShardMapName(shardMapName);
using (ActivityIdScope activityIdScope = new ActivityIdScope(Guid.NewGuid()))
{
DefaultStoreShardMap dssm = new DefaultStoreShardMap(
Guid.NewGuid(),
shardMapName,
ShardMapType.List,
ShardKey.ShardKeyTypeFromType(typeof(TKey)));
ListShardMap <TKey> listShardMap = new ListShardMap <TKey>(this, dssm);
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMapManager,
"CreateListShardMap",
"Start; ShardMap: {0}",
shardMapName);
Stopwatch stopwatch = Stopwatch.StartNew();
this.AddShardMapToStore("CreateListShardMap", dssm);
stopwatch.Stop();
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMapManager,
"CreateListShardMap",
"Added ShardMap to Store; ShardMap: {0} Duration: {1}",
shardMapName,
stopwatch.Elapsed);
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.ShardMapManager,
"CreateListShardMap",
"Complete; ShardMap: {0} Duration: {1}",
shardMapName,
stopwatch.Elapsed);
return(listShardMap);
}
}
