/// <summary>
/// Merges the specified azure shardlet.
/// </summary>
/// <param name="azureShardlet">The azure shardlet.</param>
public void Merge(AzureShardlet azureShardlet)
{
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => _table.Execute(TableOperation.Merge(azureShardlet)));
Cache(azureShardlet);
}
/// <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 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>
/// Deletes the rows associated with the collection of SPIDs for the specified shardlet.
/// </summary>
/// <param name="shardlet">The shardlet.</param>
/// <param name="spids">The spids.</param>
public void Delete(Shardlet shardlet, IEnumerable <short> spids)
{
var array = spids.ToArray();
var batches = Enumerable.Range(0, array.Count()).GroupBy(i => i / BatchSize, i => array[i]);
var partitionKey = shardlet.DistributionKey.ToString(CultureInfo.InvariantCulture);
foreach (var batch in batches)
{
var batchOperation = new TableBatchOperation();
foreach (var spid in batch)
{
var rowKey = AzureShardletConnection.GetRowKey(shardlet.Catalog, spid);
var entity =
new DynamicTableEntity
{
RowKey = rowKey,
PartitionKey = partitionKey,
ETag = "*"
};
batchOperation.Delete(entity);
}
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => _table.ExecuteBatch(batchOperation));
foreach (var spid in batch)
{
AzureCache.Remove(GetCacheKey(_cacheType,
partitionKey,
AzureShardletConnection.GetRowKey(shardlet.Catalog, spid)));
}
}
}
/// <summary>
/// Deletes the specified azure shardlet connection.
/// </summary>
/// <param name="azureShardletConnection">The azure shardlet connection.</param>
public void Delete(AzureShardletConnection azureShardletConnection)
{
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => _table.Execute(TableOperation.Delete(azureShardletConnection)));
AzureCache.Remove(GetCacheKey(_cacheType, azureShardletConnection));
}
/// <summary>
/// Gets a list of all shardlets for the shard set.
/// </summary>
/// <returns>IEnumerable<AzureShardlet>.</returns>
public IEnumerable <AzureShardlet> Get()
{
var query = new TableQuery <AzureShardlet>();
IEnumerable <AzureShardlet> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = _table.ExecuteQuery(query));
return(result);
}
public void CreatesDefaultAzureStoragePolicyFromConfiguration()
{
var retryPolicy = RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy();
var retryStrategy = retryPolicy.RetryStrategy as Incremental;
Assert.AreEqual("Default Azure Storage Retry Strategy", retryStrategy.Name);
Assert.IsInstanceOfType(retryPolicy.ErrorDetectionStrategy, typeof(StorageTransientErrorDetectionStrategy));
var storagePolicy1 = RetryPolicyFactory.GetRetryPolicy <StorageTransientErrorDetectionStrategy>();
Assert.IsInstanceOfType(storagePolicy1.RetryStrategy, typeof(Incremental));
Assert.IsInstanceOfType(storagePolicy1.ErrorDetectionStrategy, typeof(StorageTransientErrorDetectionStrategy));
}
/// <summary>
/// Gets the range shards using shard set name.
/// </summary>
/// <param name="shardSetName">Name of the shard set.</param>
/// <returns>AzureRangeShard[].</returns>
private AzureRangeShard[] Get(string shardSetName)
{
var condition = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, shardSetName);
var query =
new TableQuery <AzureRangeShard>()
.Where(condition);
IEnumerable <AzureRangeShard> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = _table.ExecuteQuery(query));
return(result.ToArray());
}
/// <summary>
/// Gets the specified range shard using the shard set name and the row key.
/// </summary>
/// <param name="shardSetName">Name of the shard set.</param>
/// <param name="rowKey">The row key.</param>
/// <returns>AzureRangeShard.</returns>
public AzureRangeShard Get(string shardSetName, string rowKey)
{
var condition1 = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, shardSetName);
var condition2 = TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.GreaterThanOrEqual, rowKey);
var condition = TableQuery.CombineFilters(condition1, TableOperators.And, condition2);
var query =
new TableQuery <AzureRangeShard>()
.Where(condition);
IEnumerable <AzureRangeShard> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = _table.ExecuteQuery(query));
return(result.FirstOrDefault());
}
/// <summary>
/// Gets the actions based on the status.
/// </summary>
/// <param name="status">The status.</param>
/// <returns>IList{TRequest}.</returns>
public IList <TAction> GetActions(TableActionQueueItemStatus status)
{
var condition = TableQuery.GenerateFilterCondition("Status", QueryComparisons.Equal, status.ToString());
var query =
new TableQuery <TAction>()
.Where(condition);
var table = TableClient.GetTableReference(TableName);
IList <TAction> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => { result = table.ExecuteQuery(query).ToList(); });
return(result);
}
/// <summary>
/// Gets the next action.
/// </summary>
/// <returns>TRequest</returns>
public TRequest GetNextAction()
{
//Get the next message
var message = Queue.GetMessage();
if (message == null)
{
return(null);
}
// Look up the table row for the message
var request = GetAction(Int64.Parse(message.AsString));
//Delete the message... If it errors during processing the consumer should make a new queue entry
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => Queue.DeleteMessage(message));
return(request != null?CreateRequest(request) : null);
}
/// <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);
}
/// <summary>
/// Gets the SQL Server SPIDs currently connected to a specific shardlet.
/// </summary>
/// <param name="shardlet">The shardlet.</param>
/// <returns>IEnumerable<System.Int32>.</returns>
public IEnumerable <short> Get(Shardlet shardlet)
{
// todo - dynamic parameter
var condition = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal,
shardlet.DistributionKey.ToString(CultureInfo.InvariantCulture));
var query =
new TableQuery <AzureShardletConnection>()
.Where(condition);
IEnumerable <AzureShardletConnection> result = null;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = _table.ExecuteQuery(query));
return
(result
.Select(asc => (short)asc.Spid)
.ToArray());
}
/// <summary>
/// Determines whether there is a queued request in process.
/// </summary>
/// <returns><c>true</c> if there is a queued request in process; otherwise, <c>false</c>.</returns>
public bool IsInProcess()
{
var condition1 = TableQuery.GenerateFilterCondition("Status", QueryComparisons.Equal,
TableActionQueueItemStatus.InProcess.ToString());
var condition2 = TableQuery.GenerateFilterCondition("Status", QueryComparisons.Equal,
TableActionQueueItemStatus.Queued.ToString());
var condition = TableQuery.CombineFilters(condition1, TableOperators.Or, condition2);
var query =
new TableQuery <TAction>()
.Where(condition);
var table = TableClient.GetTableReference(TableName);
var result = false;
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => result = table.ExecuteQuery(query).Any());
return(result);
}
/// <summary>
/// Deletes the shardlet connections older than the specified UTC Date and Time.
/// </summary>
/// <param name="utcDateTime">The UTC date time.</param>
public void Delete(DateTime utcDateTime)
{
var condition = TableQuery.GenerateFilterConditionForDate("Timestamp", QueryComparisons.LessThanOrEqual,
utcDateTime);
var query =
new TableQuery()
.Where(condition)
.Select(new[] { "PartitionKey", "RowKey" });
var result = _table.ExecuteQuery(query).ToArray();
var array = result.ToArray();
var batches = Enumerable.Range(0, array.Count()).GroupBy(i => i / BatchSize, i => array[i]);
foreach (var batch in batches)
{
var batchOperation = new TableBatchOperation();
foreach (var connection in batch)
{
var entity =
new DynamicTableEntity
{
RowKey = connection.RowKey,
PartitionKey = connection.PartitionKey,
ETag = "*"
};
batchOperation.Delete(entity);
}
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => _table.ExecuteBatch(batchOperation));
foreach (var connection in batch)
{
AzureCache.Remove(GetCacheKey(_cacheType, connection.PartitionKey, connection.RowKey));
}
}
}
protected override void Act()
{
this.retryPolicy = RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy();
}
public RetryPolicy GetDefaultAzureStorageRetryPolicy()
{
return(RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy());
}
protected static void MergeTableAction(CloudTable shardCreationsTable, BaseQueuedActionEntity action)
{
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => shardCreationsTable.Execute(TableOperation.Merge(action)));
}
protected void AddQueueMessage(long rowKey)
{
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(
() => Queue.AddMessage(new CloudQueueMessage(rowKey.ToString(CultureInfo.InvariantCulture))));
}
/// <summary>
/// Inserts the specified azure rangeShard.
/// </summary>
/// <param name="azureRangeShard">The azure rangeShard.</param>
public void Insert(AzureRangeShard azureRangeShard)
{
RetryPolicyFactory.GetDefaultAzureStorageRetryPolicy()
.ExecuteAction(() => _table.Execute(TableOperation.Insert(azureRangeShard)));
}
