public DataSetUri ResultDataSetUri(string resultId, bool canWrite)
{
var r = new AzureBlobDataSetUri()
{
Blob = ResultBlobName(resultId), Container = FetchRequestContainer
};
if (isDevelopmentStorage)
{
r.UseDevelopmentStorage = true;
}
else
{
r.AccountName = resultsContainer.ServiceClient.Credentials.AccountName;
if (canWrite)
{
r.AccountKey = storageAccountKey;
r.DefaultEndpointsProtocol = EndpointProtocol.https;
}
else
{
r.OpenMode = ResourceOpenMode.ReadOnly;
}
}
return(r);
}
static void Main(string[] args)
{
string uri = @"msds:nc?file=\\vienna.mslab.cs.msu.su\ClimateData\air.sig995.2007.nc&openMode=readOnly";
DataSet d = DataSet.Open(uri);
string blobUri = @"msds:ab?UseDevelopmentStorage=true&Container=testcontainer&Blob=testblob";
DataSet blobD = /*new AzureBlobDataSet(blobUri);*/ AzureBlobDataSet.ArrangeData(blobUri, d, new SerializableVariableSchema[0]);
AzureBlobDataSetUri azureUri = new AzureBlobDataSetUri(blobUri);
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(azureUri.ConnectionString);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Retrieve a reference to a container
CloudBlobContainer container = blobClient.GetContainerReference(azureUri.Container);
CloudPageBlob blob = container.GetPageBlobReference(azureUri.Blob);
Int32 schemeSize;
using (BinaryReader br = new BinaryReader(blob.OpenRead()))
{
//schemeSize = br.ReadInt32();
UTF8Encoding utf8 = new UTF8Encoding();
byte[] buffer = new byte[8192];
br.BaseStream.Read(buffer, 0, 8192);
string sizeStr = utf8.GetString(buffer);
Console.WriteLine(sizeStr);
//schemeSize = Int32.Parse(sizeStr);
//br.BaseStream.Seek(512, SeekOrigin.Begin);
//DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(DataSetInfo));
//byte[] scheme = new byte[schemeSize];
//br.BaseStream.Read(scheme, 0, schemeSize);
//info = (DataSetInfo)serializer.ReadObject(new MemoryStream(scheme));
}
//foreach (var i in blobD.Variables) Console.WriteLine(i.Name);
Single[] a = (Single[])blobD["lat"].GetData();
blobD["lat"].PutData(a);
//foreach (var i in a) Console.WriteLine(i.ToString());
foreach (var i in blobD["lat"].Metadata)
{
Console.WriteLine(i.Key.ToString() + " = " + i.Value.ToString());
}
foreach (var i in blobD.Metadata)
{
Console.WriteLine(i.Key.ToString() + " = " + i.Value.ToString());
}
Console.ReadLine();
}
static void Main(string[] args)
{
var schema = new SerializableDataSetSchema(
new SerializableDimension[] {
new SerializableDimension("i", 30000),
new SerializableDimension("j", 30000)
},
new SerializableVariableSchema[] {
new SerializableVariableSchema("vals", typeof(double), new string[] { "i", "j" }, null)
},
null
);
string BlobConnectionAccountName = @"fetchclimate2";
string BlobConnectionAccountKey = @"vQpyUA7h5QFX6VlEH944gyv/h2Kx//WDy32brNip+YKDpsrN5/pxcSOnP2igQQ5pkA8lRXkmqmAYrgB29nwo/w==";
string uri = @"msds:ab?DefaultEndpointsProtocol=http&Container=testcontainer&Blob=testBlob30000x30000&AccountName=" + BlobConnectionAccountName + @"&AccountKey=" + BlobConnectionAccountKey;
try
{
var ds = AzureBlobDataSet.CreateEmptySet(uri, schema);
double[,] data = new double[1, 30000];
for (int i = 0; i < 30000; ++i)
{
data[0, i] = (double)i;
}
ds["vals"].PutData(new int[] { 29999, 0 }, data);
var recvData = (double[, ])ds["vals"].GetData(new int[] { 29999, 0 }, new int[] { 1, 30000 });
for (int i = 0; i < 30000; ++i)
{
if (data[0, i] != recvData[0, i])
{
throw new Exception("difference at " + i.ToString());
}
}
Console.WriteLine("Everything is successful!");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.ReadLine();
//delete test blob
try
{
AzureBlobDataSetUri azureUri = null;
if (DataSetUri.IsDataSetUri(uri))
{
azureUri = new AzureBlobDataSetUri(uri);
}
else
{
azureUri = AzureBlobDataSetUri.ToUri(uri);
}
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(azureUri.ConnectionString);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(azureUri.Container);
CloudPageBlob blob = container.GetPageBlobReference(azureUri.Blob);
blob.DeleteIfExists();
Console.WriteLine("Deleted test blob successfully!");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.ReadLine();
}
