/// <summary>
/// Handles errors from the initial GSM operation prior to LSM operations.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleDoGlobalPreLocalExecuteError(IStoreResults result)
{
if (result.Result == StoreResult.ShardMapDoesNotExist)
{
// Remove shard map from cache.
this.Manager.Cache.DeleteShardMap(_shardMap);
}
if (result.Result == StoreResult.MappingDoesNotExist)
{
foreach (IStoreMapping mappingSource in _mappingsSource.Select(m => m.Item1))
{
// Remove mapping from cache.
this.Manager.Cache.DeleteMapping(mappingSource);
}
}
// Possible errors are:
// StoreResult.ShardMapDoesNotExist
// StoreResult.ShardDoesNotExist
// StoreResult.MappingRangeAlreadyMapped
// StoreResult.MappingDoesNotExist
// StoreResult.MappingLockOwnerIdDoesNotMatch
// StoreResult.MappingIsNotOffline
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnShardMapperErrorGlobal(
result,
_shardMap,
_mappingsSource[0].Item1.StoreShard,
ShardManagementErrorCategory.RangeShardMap,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpBulkOperationShardMappingsGlobalBegin);
}
/// <summary>
/// Handles errors from the initial GSM operation prior to LSM operations.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleDoGlobalPreLocalExecuteError(IStoreResults result)
{
if (result.Result == StoreResult.ShardMapDoesNotExist)
{
// Remove shard map from cache.
this.Manager.Cache.DeleteShardMap(_shardMap);
}
if (result.Result == StoreResult.MappingDoesNotExist)
{
// Remove mapping from cache.
this.Manager.Cache.DeleteMapping(_mapping);
}
// Possible errors are:
// StoreResult.ShardMapDoesNotExist
// StoreResult.ShardDoesNotExist
// StoreShard.MappingDoesNotExist
// StoreResult.MappingLockOwnerIdDoesNotMatch
// StoreResult.MappingIsNotOffline
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnShardMapperErrorGlobal(
result,
_shardMap,
_mapping.StoreShard,
_errorCategory,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpBulkOperationShardMappingsGlobalBegin);
}
/// <summary>
/// Handles errors from the the LSM operation on the source shard.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleDoLocalSourceExecuteError(IStoreResults result)
{
// Possible errors from spUpdateShardLocal:
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
// StoreResult.ShardDoesNotExist
switch (result.Result)
{
case StoreResult.StoreVersionMismatch:
case StoreResult.MissingParametersForStoredProcedure:
case StoreResult.ShardDoesNotExist:
throw StoreOperationErrorHandler.OnShardMapErrorLocal(
result,
_shardMap,
_shard.Location,
ShardManagementErrorCategory.ShardMap,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpUpdateShardLocal);
default:
throw new ShardManagementException(
ShardManagementErrorCategory.ShardMapManager,
ShardManagementErrorCode.StorageOperationFailure,
Errors._Store_SqlExceptionLocal,
OperationName
);
}
}
/// <summary>
/// Handles errors from the undo of GSM operation prior to LSM operations.
/// </summary>
/// <param name="result">Operation result.</param>
public virtual void HandleUndoGlobalPreLocalExecuteError(IStoreResults result)
{
// Possible errors are:
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnCommonErrorGlobal(
result,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpFindAndUpdateOperationLogEntryByIdGlobal);
}
/// <summary>
/// Handles errors from the undo of LSM operation on the source shard.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleUndoLocalSourceExecuteError(IStoreResults result)
{
// Possible errors are:
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnShardMapperErrorLocal(
result,
_mappingsSource[0].Item1.StoreShard.Location,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpBulkOperationShardMappingsLocal);
}
/// <summary>
/// Handles errors from the undo of LSM operation on the source shard.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleUndoLocalSourceExecuteError(IStoreResults result)
{
// Possible errors are:
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnShardMapErrorLocal(
result,
_shardMap,
_shard.Location,
ShardManagementErrorCategory.ShardMap,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpAddShardLocal);
}
/// <summary>
/// Handles errors from the undo of LSM operation on the source shard.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleUndoLocalSourceExecuteError(IStoreResults result)
{
// Possible errors are:
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
// Stored procedure can also return StoreResult.ShardDoesNotExist, but only for AttachShard operations
throw StoreOperationErrorHandler.OnShardMapErrorLocal(
result,
_shardMap,
_shardNew.Location,
ShardManagementErrorCategory.ShardMap,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpUpdateShardLocal);
}
/// <summary>
/// Handles errors from the undo of GSM operation after LSM operations.
/// </summary>
/// <param name="result">Operation result.</param>
public override void HandleUndoGlobalPostLocalExecuteError(IStoreResults result)
{
if (result.Result == StoreResult.ShardMapDoesNotExist)
{
// Remove shard map from cache.
this.Manager.Cache.DeleteShardMap(_shardMap);
}
// Possible errors are:
// StoreResult.ShardMapDoesNotExist
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnShardMapErrorGlobal(
result,
_shardMap,
_shardOld,
ShardManagementErrorCategory.ShardMap,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpBulkOperationShardsGlobalEnd);
}
/// <summary>
/// Terminates connection on the source shard object.
/// </summary>
private void KillConnectionsOnSourceShard()
{
SqlUtils.WithSqlExceptionHandling(() =>
{
string sourceShardConnectionString = this.GetConnectionStringForShardLocation(_mappingSource.StoreShard.Location);
IStoreResults result;
using (IStoreConnection connectionForKill = this.Manager.StoreConnectionFactory.GetConnection(StoreConnectionKind.LocalSource, sourceShardConnectionString))
{
connectionForKill.Open();
using (IStoreTransactionScope ts = connectionForKill.GetTransactionScope(StoreTransactionScopeKind.NonTransactional))
{
result = ts.ExecuteOperation(
StoreOperationRequestBuilder.SpKillSessionsForShardMappingLocal,
StoreOperationRequestBuilder.KillSessionsForShardMappingLocal(_patternForKill));
}
}
if (result.Result != StoreResult.Success)
{
// Possible errors are:
// StoreResult.UnableToKillSessions
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnShardMapErrorLocal(
result,
_shardMap,
_mappingSource.StoreShard.Location,
_errorCategory,
StoreOperationErrorHandler.OperationNameFromStoreOperationCode(this.OperationCode),
StoreOperationRequestBuilder.SpKillSessionsForShardMappingLocal);
}
});
}
