/// <exception cref="System.IO.IOException"/>
internal virtual long Get()
{
lock (this)
{
try
{
currentStat = zkc.Exists(path, false);
if (currentStat == null)
{
return(0);
}
else
{
byte[] bytes = zkc.GetData(path, false, currentStat);
BKJournalProtos.MaxTxIdProto.Builder builder = BKJournalProtos.MaxTxIdProto.NewBuilder
();
TextFormat.Merge(new string(bytes, Charsets.Utf8), builder);
if (!builder.IsInitialized())
{
throw new IOException("Invalid/Incomplete data in znode");
}
return(((BKJournalProtos.MaxTxIdProto)builder.Build()).GetTxId());
}
}
catch (KeeperException e)
{
throw new IOException("Error reading the max tx id from zk", e);
}
catch (Exception ie)
{
throw new IOException("Interrupted while reading thr max tx id", ie);
}
}
}
/// <exception cref="System.IO.IOException"/>
internal virtual void Reset(long maxTxId)
{
lock (this)
{
try
{
BKJournalProtos.MaxTxIdProto.Builder builder = BKJournalProtos.MaxTxIdProto.NewBuilder
().SetTxId(maxTxId);
byte[] data = Sharpen.Runtime.GetBytesForString(TextFormat.PrintToString(((BKJournalProtos.MaxTxIdProto
)builder.Build())), Charsets.Utf8);
if (currentStat != null)
{
currentStat = zkc.SetData(path, data, currentStat.GetVersion());
}
else
{
zkc.Create(path, data, ZooDefs.Ids.OpenAclUnsafe, CreateMode.Persistent);
}
}
catch (KeeperException e)
{
throw new IOException("Error writing max tx id", e);
}
catch (Exception e)
{
throw new IOException("Interrupted while writing max tx id", e);
}
}
}
