internal RAMOutputStream(RAMFile f)
{
file = f;
// make sure that we switch to the
// first needed buffer lazily
currentBufferIndex = -1;
currentBuffer = null;
}
internal RAMOutputStream(RAMFile f)
{
file = f;
// make sure that we switch to the
// first needed buffer lazily
currentBufferIndex = - 1;
currentBuffer = null;
}
public /*internal*/ RAMInputStream(RAMFile f)
{
file = f;
length = file.length;
if (length / BUFFER_SIZE >= System.Int32.MaxValue)
{
throw new System.IO.IOException("Too large RAMFile! " + length);
}
// make sure that we switch to the
// first needed buffer lazily
currentBufferIndex = -1;
currentBuffer = null;
}
public /*internal*/ RAMInputStream(RAMFile f)
{
file = f;
length = file.length;
if (length / BUFFER_SIZE >= System.Int32.MaxValue)
{
throw new System.IO.IOException("Too large RAMFile! " + length);
}
// make sure that we switch to the
// first needed buffer lazily
currentBufferIndex = - 1;
currentBuffer = null;
}
/// <summary>Creates a new, empty file in the directory with the given name. Returns a stream writing this file. </summary>
public override IndexOutput CreateOutput(System.String name)
{
EnsureOpen();
RAMFile file = new RAMFile(this);
lock (this)
{
RAMFile existing = fileMap[name];
if (existing != null)
{
internalSizeInBytes -= existing.sizeInBytes;
existing.directory = null;
}
fileMap[name] = file;
}
return(new RAMOutputStream(file));
}
/// <summary>Removes an existing file in the directory.</summary>
/// <throws> IOException if the file does not exist </throws>
public override void DeleteFile(System.String name)
{
lock (this)
{
EnsureOpen();
RAMFile file = fileMap[name];
if (file != null)
{
fileMap.Remove(name);
file.directory = null;
internalSizeInBytes -= file.sizeInBytes;
}
else
{
throw new System.IO.FileNotFoundException(name);
}
}
}
/// <summary>Creates a new, empty file in the directory with the given name. Returns a stream writing this file. </summary>
public override IndexOutput CreateOutput(System.String name)
{
EnsureOpen();
RAMFile file = new RAMFile(this);
lock (this)
{
RAMFile existing = fileMap[name];
if (existing != null)
{
internalSizeInBytes -= existing.sizeInBytes;
existing.directory = null;
}
fileMap[name] = file;
}
return new RAMOutputStream(file);
}
