public void InitializeCluster()
{
//Create fragment clusterFile for cluster
NumberClusterUse = (int)Math.Ceiling((decimal)Size / Settings.Settings.ClusterSize);
if (NumberClusterUse <= 0)
{
return;
}
var fragmentFileSize = Size;
if (NumberClusterUse > 1)
{
fragmentFileSize = Settings.Settings.ClusterSize;
}
var totalFileSize = Size;
for (var i = 1; i <= NumberClusterUse; i++)
{
var fragmentFile = new FragmentClusterFile
{
Name = Name + $"_{i}",
Size = fragmentFileSize
};
FragmentFiles.Add(fragmentFile);
totalFileSize -= Settings.Settings.ClusterSize;
if (totalFileSize < Settings.Settings.ClusterSize)
{
fragmentFileSize = totalFileSize;
}
}
}
public void IncreaseSizeFile(int _oldSize)
{
//New number cluster
var nCluster = (int)Math.Ceiling((decimal)Size / Settings.Settings.ClusterSize);
var remainingSize = Size - _oldSize;
var color = FragmentFiles.First().Color;
//Change size last cluster
var lastFragmentFile = FragmentFiles.Last();
remainingSize -= (Settings.Settings.ClusterSize - lastFragmentFile.Size);
lastFragmentFile.Size = Settings.Settings.ClusterSize;
//Calculate size of fragmentfile
var calcSize = remainingSize;
if (calcSize > Settings.Settings.ClusterSize)
{
calcSize = Settings.Settings.ClusterSize;
}
for (var i = NumberClusterUse + 1; i <= nCluster; i++)
{
FragmentFiles.Add(new FragmentClusterFile
{
Name = Name + $"_{i}",
Size = calcSize,
Color = color
});
remainingSize -= Settings.Settings.ClusterSize;
if (remainingSize < Settings.Settings.ClusterSize)
{
calcSize = remainingSize;
}
}
//Update NumberClusterUse
NumberClusterUse = nCluster;
}
public void DecreseSizeFile(int _oldSize)
{
//New number cluster
var nCluster = (int)Math.Ceiling((decimal)Size / Settings.Settings.ClusterSize);
//Remove fragmentfile
for (var i = nCluster; i < NumberClusterUse; i++)
{
if (FragmentFiles.Count > 0)
{
FragmentFiles.RemoveAt(FragmentFiles.Count - 1);
}
}
if (FragmentFiles.Count > 0)
{
//Update last fragment size and nextcluster
var lastFragmentFile = FragmentFiles.Last();
lastFragmentFile.Size = Size - ((nCluster - 1) * Settings.Settings.ClusterSize);
lastFragmentFile.NextCluster = null;
}
//Update NumberClusterUse
NumberClusterUse = nCluster;
}
