public NonEmptyDiskBlockEnumerator(
IVirtualDisk disk,
DataStreamDefinition dataStreamDefinition,
AddressingSystemParameters addressingSystemParameters,
IFileSystemNodeStorage fileSystemNodeStorage,
Node streamOwningNode,
EnumeratorAddressable <int> doubleIndirectListEnumerator)
{
if (disk == null)
{
throw new ArgumentNullException("disk");
}
if (dataStreamDefinition == null)
{
throw new ArgumentNullException("dataStreamDefinition");
}
if (addressingSystemParameters == null)
{
throw new ArgumentNullException("addressingSystemParameters");
}
if (fileSystemNodeStorage == null)
{
throw new ArgumentNullException("fileSystemNodeStorage");
}
if (streamOwningNode == null)
{
throw new ArgumentNullException("streamOwningNode");
}
if (doubleIndirectListEnumerator == null)
{
throw new ArgumentNullException("doubleIndirectListEnumerator");
}
_disk = disk;
_dataStreamDefinition = dataStreamDefinition;
_addressingSystemParameters = addressingSystemParameters;
_fileSystemNodeStorage = fileSystemNodeStorage;
_streamOwningNode = streamOwningNode;
_doubleIndirectListEnumerator = doubleIndirectListEnumerator;
if (doubleIndirectListEnumerator.Count == 0)
{
throw new ArgumentException("doubleIndirectListEnumerator");
}
_numberOfBlocks =
SpaceRequirementsCalculator.GetNumberOfChunksNeededToStoreData(_dataStreamDefinition.StreamLengthInBytes, _disk.BlockSizeInBytes);
_blockSizesCalculator = new AddressingBlockSizesCalculator(addressingSystemParameters.IndirectBlockReferencesCountInDoubleIndirectBlock,
addressingSystemParameters.DataBlockReferencesCountInSingleIndirectBlock);
_addressingSystemSizesOfLastBlocks = _blockSizesCalculator.GetSizesOfAddressingBlocksSufficientToStoreItems(_numberOfBlocks);
this.SetFirstSingleIndirectBlock();
_current = new NullDiskBlock();
_position = PositionBeforeFirstElement;
}
private void CalculateAndSetMaximumSize(AddressingSystemParameters addressingSystemParameters)
{
var maximumSize = new DoubleIndirectionCompositeIndex(
0,
addressingSystemParameters.IndirectBlockReferencesCountInDoubleIndirectBlock,
addressingSystemParameters.DataBlockReferencesCountInSingleIndirectBlock,
addressingSystemParameters.BlockSize);
this.MaximumSize = maximumSize.MaxValue;
}
public DataStreamStructureBuilderImmutable(IVirtualDisk disk, DataStreamDefinition dataStreamDefinition, AddressingSystemParameters addressingSystemParameters, IFileSystemNodeStorage fileSystemNodeStorage, Node governingNode)
{
if (disk == null)
{
throw new ArgumentNullException("disk");
}
if (dataStreamDefinition == null)
{
throw new ArgumentNullException("dataStreamDefinition");
}
if (addressingSystemParameters == null)
{
throw new ArgumentNullException("addressingSystemParameters");
}
if (fileSystemNodeStorage == null)
{
throw new ArgumentNullException("fileSystemNodeStorage");
}
if (governingNode == null)
{
throw new ArgumentNullException("governingNode");
}
_disk = disk;
_governingNode = governingNode;
_fileSystemNodeStorage = fileSystemNodeStorage;
_addressingSystemParameters = addressingSystemParameters;
_dataStreamDefinition = dataStreamDefinition;
int numberOfBlocks =
SpaceRequirementsCalculator.GetNumberOfChunksNeededToStoreData(
dataStreamDefinition.StreamLengthInBytes, addressingSystemParameters.BlockSize);
_addressingBlockSizesCalculator = new AddressingBlockSizesCalculator(addressingSystemParameters.IndirectBlockReferencesCountInDoubleIndirectBlock,
addressingSystemParameters.DataBlockReferencesCountInSingleIndirectBlock);
_sizesOfLastAddressingBlocks = AddressingBlockSizesCalculator.GetSizesOfAddressingBlocksSufficientToStoreItems(numberOfBlocks);
int doubleIndirectBlockSize = _sizesOfLastAddressingBlocks.DoubleIndirectBlockSize;
_doubleIndirectBlocks = new IntegerListConstrained(disk.ReadAllBytesFromBlock(dataStreamDefinition.ContentsBlockIndex), doubleIndirectBlockSize, _addressingSystemParameters.IndirectBlockReferencesCountInDoubleIndirectBlock);
CalculateAndSetMaximumSize(addressingSystemParameters);
}
public TestDataStreamStructureBuilder(DataStreamDefinition dataStreamDefinition, IVirtualDisk disk, IFreeBlockManager freeBlockManager, IFileSystemNodeStorage fileSystemNodeStorage, Node governingNode, AddressingSystemParameters addressingSystemParameters)
: base(dataStreamDefinition, disk, freeBlockManager, fileSystemNodeStorage, governingNode, addressingSystemParameters)
{
}
/// <summary>
///
/// </summary>
/// <param name="dataStreamDefinition"></param>
/// <param name="disk"></param>
/// <param name="freeBlockManager"></param>
/// <param name="fileSystemNodeStorage"></param>
/// <param name="governingNode"></param>
/// <param name="addressingSystemParameters"></param>
/// <exception cref="ArgumentNullException"></exception>
public DataStreamStructureBuilder(DataStreamDefinition dataStreamDefinition, IVirtualDisk disk, IFreeBlockManager freeBlockManager, IFileSystemNodeStorage fileSystemNodeStorage, Node governingNode, AddressingSystemParameters addressingSystemParameters)
: base(disk, dataStreamDefinition, addressingSystemParameters, fileSystemNodeStorage, governingNode)
{
if (freeBlockManager == null)
{
throw new ArgumentNullException("freeBlockManager");
}
_freeBlockManager = freeBlockManager;
}
