public Store(string path)
{
this.db = DB.Open(path, new Options {
CreateIfMissing = true, FilterPolicy = Native.leveldb_filterpolicy_create_bloom(15)
});
byte[] value = db.Get(ReadOptions.Default, LHelper.CreateKey(SYS_Version));
if (value != null && Version.TryParse(Encoding.ASCII.GetString(value), out Version version) && version >= Version.Parse("3.0.0"))
{
return;
}
WriteBatch batch = new WriteBatch();
if (value != null)
{
// Clean all entries only if the version are different
ReadOptions options = new ReadOptions {
FillCache = false
};
using (Iterator it = db.NewIterator(options))
{
for (it.SeekToFirst(); it.Valid(); it.Next())
{
batch.Delete(it.Key());
}
}
}
db.Put(WriteOptions.Default, LHelper.CreateKey(SYS_Version), Encoding.ASCII.GetBytes(Assembly.GetExecutingAssembly().GetName().Version.ToString()));
db.Write(WriteOptions.Default, batch);
}
public void Delete(byte table, byte[] key)
{
db.Delete(WriteOptions.Default, LHelper.CreateKey(table, key));
}
public void Delete(byte table, byte[] key)
{
batch.Delete(LHelper.CreateKey(table, key));
}
