/// <summary>
/// Gets the specified shardlet mapped to a specific spid.
/// </summary>
/// <param name="shardlet">The shardlet.</param>
/// <param name="spid">The spid.</param>
/// <returns>AzureShardletConnection.</returns>
public AzureShardletConnection Get(Shardlet shardlet, int spid)
{
var partitionKey = shardlet.DistributionKey.ToString(CultureInfo.InvariantCulture);
var rowKey = AzureShardletConnection.GetRowKey(shardlet.Catalog, spid);
var cacheShardletConnection =
AzureCache.Get <CacheShardletConnection>(GetCacheKey(_cacheType, partitionKey, rowKey));
if (cacheShardletConnection != null)
{
return(cacheShardletConnection.ToAzureShardletConnection());
}
var condition1 = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, partitionKey);
var condition2 = TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, rowKey);
var condition = TableQuery.CombineFilters(condition1, TableOperators.And, condition2);
var query =
new TableQuery <AzureShardletConnection>()
.Where(condition);
IEnumerable <AzureShardletConnection> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = _table.ExecuteQuery(query));
var azureShardletConnection = result.FirstOrDefault();
Cache(azureShardletConnection);
return(azureShardletConnection);
}
/// <summary>
/// Gets the shardlet from the specified shard set name and distribution key.
/// </summary>
/// <param name="distributionKey">The distribution key.</param>
/// <returns>AzureShardlet.</returns>
public AzureShardlet Get(long distributionKey)
{
var cachedShardlet = AzureCache.Get <CacheShardlet>(GetCacheKey(_cacheType, _shardSetName, LongBasedRowKeyEntity.MakeRowKeyFromLong(distributionKey)));
if (cachedShardlet != null)
{
return(cachedShardlet.ToAzureShardlet());
}
var rowKey = LongBasedRowKeyEntity.MakeRowKeyFromLong(distributionKey);
var condition1 = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, _shardSetName);
var condition2 = TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, rowKey);
var condition = TableQuery.CombineFilters(condition1, TableOperators.And, condition2);
var query =
new TableQuery <AzureShardlet>()
.Where(condition);
IEnumerable <AzureShardlet> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = _table.ExecuteQuery(query));
var azureShardlet = result.FirstOrDefault();
Cache(azureShardlet);
return(azureShardlet);
}