internal static string GetSingleObjectWithRange(IDs3Client client, string bucketName, string objectName,
Range range, IHelperStrategy<Ds3PartialObject> helperStrategy = null)
{
var tempFilename = Path.GetTempFileName();
using (Stream fileStream = new FileStream(tempFilename, FileMode.Truncate, FileAccess.Write))
{
IDs3ClientHelpers helper = new Ds3ClientHelpers(client);
if (helperStrategy == null)
{
helperStrategy = new ReadRandomAccessHelperStrategy<Ds3PartialObject>();
}
var job = helper.StartPartialReadJob(bucketName, new List<string>(),
new List<Ds3PartialObject> {new Ds3PartialObject(range, objectName)}, helperStrategy: helperStrategy);
job.Transfer(key => fileStream);
return tempFilename;
}
}
public static void LoadTestData(IDs3Client client, string bucketName,
IHelperStrategy<string> helperStrategy = null)
{
PutFiles(client, bucketName, Objects, ReadResource, helperStrategy);
}
public static void PutFiles(IDs3Client client, string bucketName, IEnumerable<Ds3Object> files,
Func<string, Stream> createStreamForTransferItem, IHelperStrategy<string> helperStrategy = null)
{
IDs3ClientHelpers helper = new Ds3ClientHelpers(client);
helper.EnsureBucketExists(bucketName);
var job = helper.StartWriteJob(bucketName, files, helperStrategy: helperStrategy);
job.Transfer(createStreamForTransferItem);
}
/// <summary>
/// This will get the object and return the name of the temporary file it was written to.
/// It is up to the caller to delete the temporary file
/// </summary>
public static string GetSingleObject(IDs3Client client, string bucketName, string objectName, int retries = 5,
IHelperStrategy<string> helperStrategy = null)
{
var tempFilename = Path.GetTempFileName();
using (Stream fileStream = new FileStream(tempFilename, FileMode.Truncate, FileAccess.Write))
{
IDs3ClientHelpers helper = new Ds3ClientHelpers(client, objectTransferAttempts: retries);
if (helperStrategy == null)
{
helperStrategy = new ReadRandomAccessHelperStrategy<string>();
}
var job = helper.StartReadJob(bucketName, new List<Ds3Object> {new Ds3Object(objectName, null)},
helperStrategy: helperStrategy);
job.Transfer(key => fileStream);
return tempFilename;
}
}