/// <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);
}
/// <summary>
/// Gets the Azure Range Shard for the shard set and distribution key
/// </summary>
/// <param name="shardSetName">Name of the shard set.</param>
/// <param name="distributionKey">The distribution key.</param>
/// <returns>AzureRangeShard.</returns>
public AzureRangeShard GetAzureRangeShard(string shardSetName, long distributionKey)
{
var rowKey = LongBasedRowKeyEntity.MakeRowKeyFromLong(distributionKey);
var repository = new AzureRangeShardRepository();
return(repository.Get(shardSetName, rowKey));
}
/// <summary>
/// Gets the action.
/// </summary>
/// <param name="queueId">The queue identifier.</param>
/// <returns>TAction.</returns>
protected TAction GetAction(long queueId)
{
var rowKey = LongBasedRowKeyEntity.MakeRowKeyFromLong(queueId);
var condition = TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, rowKey);
var query =
new TableQuery <TAction>()
.Where(condition);
var table = TableClient.GetTableReference(TableName);
TAction result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => { result = table.ExecuteQuery(query).FirstOrDefault(); });
return(result);
}
