public void Close()
{
content.Close();
content = null;
length = 0;
pagedAccess = null;
}
private long BinarySearch(StrongPagedAccess access, long low, long high, long searchUid)
{
while (low <= high) {
long mid = (low + high) >> 1;
long pos = mid*RootItemSize;
long midUid = access.ReadInt64(pos);
if (midUid < searchUid) {
//mid_timestamp < timestamp) {
low = mid + 1;
} else if (midUid > searchUid) {
//mid_timestamp > timestamp) {
high = mid - 1;
} else {
return mid;
}
}
return -(low + 1);
}
public void OpenLocalData()
{
lock (accessLock) {
if (internalFile == null) {
internalFile = CreatePathStream();
pagedFile = new StrongPagedAccess(internalFile, 1024);
}
}
}
public bool Open()
{
content = new MemoryStream(1024);
content.SetLength(Header);
content.Seek(0, SeekOrigin.Begin);
length = Header;
pagedAccess = new StrongPagedAccess(content, 2048);
return true;
}
public bool Open()
{
// If the store file doesn't exist, throw an error. We can't create
// compressed files, they are made by calling the 'compress'.
if (!File.Exists(fileName))
throw new ApplicationException("Compressed file '" + fileName + "' was not found.");
content = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.None, 2048, FileOptions.WriteThrough);
pagedAccess = new StrongPagedAccess(content, 2048);
return false;
}
private long BinarySearch(StrongPagedAccess access, long low, long high, long timestamp)
{
while (low <= high) {
long mid = (low + high) >> 1;
long midTimeStamp = access.ReadInt64(mid * 16);
if (midTimeStamp < timestamp) {
low = mid + 1;
} else if (midTimeStamp > timestamp) {
high = mid - 1;
} else {
return mid;
}
}
return -(low + 1);
}
public PathAccess(Stream accessStream, string name, string pathTypeName)
{
this.name = name;
this.pathTypeName = pathTypeName;
this.accessStream = accessStream;
pagedAccess = new StrongPagedAccess(accessStream, 1024);
}
public bool Open()
{
// If the store file doesn't exist, create it
if (!File.Exists(fileName)) {
content = new FileStream(fileName, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.Read, 2048, FileOptions.WriteThrough);
// Set the header table in the newly created file,
content.SetLength(Header);
content.Seek(0, SeekOrigin.Begin);
length = Header;
pagedAccess = new StrongPagedAccess(content, 2048);
return true;
} else {
content = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, 2048, FileOptions.WriteThrough);
length = (int)content.Length;
pagedAccess = new StrongPagedAccess(content, 2048);
return false;
}
}
