public FileLoader(MetaDB mDB, int bufferCount = 0, string metaInfoString = null, Func <HashLib.IHash> getHP = null)
{
var sep = new char[] { ':' };
if (bufferCount != 0)
{
BufferCount = bufferCount;
}
GetHP = getHP;
if (GetHP == null)
{
GetHP = new Func <HashLib.IHash>(() => { return(HashLib.HashFactory.Crypto.CreateTiger2()); });
}
MDB = mDB;
HDB = mDB.HDB;
MetaInfoString = metaInfoString;
DBFile = HDB.HashDBFile;
SortMask = HDB.DBEntriesMask << HASH_SHIFT;
MinHashSize = HDB.MinBlockSize;
ScanExtensions = ScanExtensionsSpec.ToUpper().Split(sep, StringSplitOptions.RemoveEmptyEntries);
MaskedEntries = MaskedEntriesSpec.ToUpper().Split(sep, StringSplitOptions.RemoveEmptyEntries);
}
public override void Merge(ISnapshot snapshot)
{
HashDB hash_db = null;
if (((Snapshot)snapshot).db is HashDB)
{
hash_db = (HashDB)((Snapshot)snapshot).db;
IEnumerator <KeyValuePair <Key, Value> > it = hash_db.GetEnumerator();
while (it.MoveNext())
{
this.db.Put(it.Current.Key, it.Current.Value);
}
}
}
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
if (HDB != null)
{
HDB.Dispose();
}
if (ReadyQueue != null)
{
ReadyQueue.Dispose();
}
HDB = null;
ReadyQueue = null;
}
disposedValue = true;
}
}
public MetaDB(string WorkingDir, int minHashSize = 256, long DBSize = 0, int loadBufferCount = 50000000, string NewInfoString = null)
{
RootFolder = WorkingDir;
if (!Directory.Exists(RootFolder))
{
Directory.CreateDirectory(RootFolder);
}
MDBName = Path.Combine(RootFolder, mdbName);
HDBName = Path.Combine(RootFolder, hdbName);
BDBName = Path.Combine(RootFolder, bdbName);
RelocName = Path.Combine(RootFolder, relocFolder);
LoadBufferCount = loadBufferCount;
if (File.Exists(MDBName))
{
xDoc = XDocument.Load(MDBName);
}
else
{
xDoc = new XDocument(new XDeclaration("1.0", Encoding.Default.WebName, "yes"), new XElement(ElementNames.xRoot));
}
mData = xDoc.Root;
var currID = ((Int32?)mData.Attribute(AttributeNames.xNextHashID) ?? 0);
if (currID == 0)
{
mData.SetAttributeValue(AttributeNames.xNextHashID, 1);
currHID = 1;
}
else
{
currHID = currID;
}
if (mData.Element(ElementNames.xRecords) != null)
{
mRecords = mData.Element(ElementNames.xRecords);
}
else
{
mRecords = new XElement(ElementNames.xRecords);
mData.Add(mRecords);
}
if (mData.Element(ElementNames.xMetaInfoStrings) != null)
{
infoStrings = mData.Element(ElementNames.xMetaInfoStrings);
}
else
{
infoStrings = new XElement(ElementNames.xMetaInfoStrings);
mData.Add(infoStrings);
}
infoString = NewInfoString;
MinHashSize = minHashSize;
ReRe = new ReReDB(RelocName);
HDB = new HashDB(MinHashSize, HDBName, RelocName, DBSize);
HDB.ReRe = ReRe;
Loader = new FileLoader(this, LoadBufferCount, infoString);
cLoader = new CloudLoader(Loader, MinHashSize, RelocName);
cLoader.InfoString = infoString;
ReRe.AzureCnx = cLoader;
}
