/// <summary>
/// Disposes the state reader.
/// This operation is idempotent and can take place after an unload operation.
/// </summary>
public void Dispose()
{
if (Interlocked.Exchange(ref _disposed, 1) == 0)
{
_reader.Dispose();
}
}
public void Dispose()
{
if (_isOwner)
{
_reader.Dispose();
}
}
public void InMemoryStorageBasicWritingReadingTest()
{
InMemoryStorageProvider provider = new InMemoryStorageProvider();
string category = "someCategory";
string itemKey = "someItem";
string id = "someId";
byte[] buffer1 = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
byte[] buffer2 = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0 };
byte[][] buffers = new byte[][] { buffer1, buffer2 };
for (int i = 0; i < 2; i++)
{
byte[] expectedBuffer = buffers[i];
using (IStateWriter writer =
i == 0 ? provider.StartNewCheckpoint(id) : provider.UpdateCheckpoint(id))
{
using (Stream stream = writer.GetItemWriter(category, itemKey))
{
stream.Write(expectedBuffer, 0, expectedBuffer.Length);
}
writer.CommitAsync().Wait();
}
IStateReader reader = null;
try
{
if (provider.TryReadCheckpoint(out id, out reader))
{
bool success = reader.TryGetItemReader(category, itemKey, out var stream);
Assert.IsTrue(success, "Could not get a reader for the requested item.");
Assert.AreEqual(expectedBuffer.Length, stream.Length);
byte[] actualBuffer = new byte[expectedBuffer.Length];
int byteRead = stream.Read(actualBuffer, 0, actualBuffer.Length);
Assert.AreEqual(byteRead, stream.Length);
CollectionAssert.AreEqual(expectedBuffer, actualBuffer);
}
}
finally
{
reader?.Dispose();
}
}
}
protected override void DisposeCore() => _reader.Dispose();
public void InMemoryStorageItemDeletionTest()
{
InMemoryStorageProvider provider = new InMemoryStorageProvider();
string category = "someCategory";
string itemKey = "someItem";
string id = "someId";
byte[] buffer = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
using (IStateWriter writer = provider.StartNewCheckpoint(id))
{
using (Stream stream = writer.GetItemWriter(category, itemKey))
{
stream.Write(buffer, 0, buffer.Length);
}
writer.CommitAsync().Wait();
}
IStateReader reader = null;
try
{
if (provider.TryReadCheckpoint(out id, out reader))
{
bool success = reader.TryGetItemReader(category, itemKey, out _);
Assert.IsTrue(success, "An stream could not be retrieved for the requested item.");
}
else
{
Assert.Fail("Could not retrieve the checkpoint.");
}
}
finally
{
reader?.Dispose();
}
using (IStateWriter writer = provider.UpdateCheckpoint(id))
{
writer.DeleteItem(category, itemKey);
writer.CommitAsync().Wait();
}
reader = null;
try
{
if (provider.TryReadCheckpoint(out id, out reader))
{
bool success = reader.TryGetItemReader(category, itemKey, out _);
Assert.IsFalse(success, "An stream could be retrieved for the requested item.");
}
else
{
Assert.Fail("Could not retrieve the checkpoint.");
}
}
finally
{
reader?.Dispose();
}
}