/// <summary>
/// Retrieves the data from Azure Storage using <see cref="Collection"/>.
/// </summary>
public virtual IEnumerable <TData> GetByKey()
{
// Create the table query.
var rangeQuery = Collection.Where
(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(typeof(TCollectionItemData).FullName))
);
return(ReadableSource.ExecuteQuery(rangeQuery));
}
/// <summary>
/// Retrieves the data from Azure Storage using <see cref="TableStorageStore{TData,TCollectionItemData}.Collection"/>.
/// </summary>
public override IEnumerable <EntityTableEntity <TData> > GetByKey()
{
// Create the table query.
var rangeQuery = Collection.Where
(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(typeof(TData).FullName))
);
IEnumerable <EntityTableEntity <TData> > results = ReadableSource.ExecuteQuery(rangeQuery);
return(results);
}
/// <summary>
/// Retrieves the data from Azure Storage using <see cref="Collection"/>.
/// </summary>
public virtual TData GetByKeyAndRow(Guid rsn)
{
// Create the table query.
var rangeQuery = Collection.Where
(
TableQuery.CombineFilters
(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(typeof(TCollectionItemData).FullName)),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(rsn.ToString("N")))
)
);
return(ReadableSource.ExecuteQuery(rangeQuery).Single());
}
public override EntityTableEntity <TData> GetByKeyAndRow(Guid rsn)
{
TableOperation searchQuery = TableOperation.Retrieve <DynamicTableEntity>(typeof(TData).FullName, rsn.ToString("N"));
TableResult searchResult = ReadableSource.Execute(searchQuery);
var dynamicTableEntity = searchResult.Result as DynamicTableEntity;
if (dynamicTableEntity == null)
{
return(base.GetByKeyAndRow(rsn));
}
//Convert the DynamicTableEntity back to original complex object.
TData result = EntityPropertyConverter.ConvertBack <TData>(dynamicTableEntity.Properties, new OperationContext());
return(new EntityTableEntity <TData>(result));
}
/// <summary>
/// Opens stream for reading from a block blob.
/// </summary>
protected virtual IEnumerable <Stream> OpenStreamsForReading(Func <CloudBlockBlob, bool> predicate = null, string blobPrefix = null, string folderName = null)
{
IEnumerable <IListBlobItem> blobs;
if (!string.IsNullOrWhiteSpace(folderName))
{
CloudBlobDirectory container = ReadableSource.GetDirectoryReference(folderName);
blobs = container.ListBlobs(true);
}
else
{
blobs = ReadableSource.ListBlobs(blobPrefix, true);
}
IEnumerable <CloudBlockBlob> query = blobs
.Where(x => x is CloudBlockBlob)
.Cast <CloudBlockBlob>();
if (predicate != null)
{
query = query.Where(predicate);
}
return(query.Select(x => x.OpenRead()));
}