public void Write(DomainObject o, List <string> replicas)
{
Entity ent = new QuorunRead().Read(o.ID, replicas);
if (ent == null)
{
ent = new Entity();
ent.Value = o;
}
else
{
ent.Timestamp++;
ent.Value = o;
}
List <Thread> callers = new List <Thread>();
int majority = (int)(Config.Instance.NumberOfReplicas / 2.0);
foreach (string addr in replicas)
{
ThreadedWrite tw = new ThreadedWrite(ent, addr, this);
Thread thread = new Thread(tw.RemoteWrite);
callers.Add(thread);
thread.Start();
}
lock (this)
{
while (countSuccessfulWrites < majority && countAnswers < callers.Count)
{
Monitor.Wait(this);
}
}
foreach (Thread t in callers)
{
if (t.IsAlive)
{
t.Abort();
}
}
if (countSuccessfulWrites < majority)
{
throw new ServiceUnavailableException("Could not write to a majority");
}
ServerManager.Instance.ServerInstance.SimpleWriteEntity(ent);
}
public void Write(DomainObject o, List<string> replicas)
{
Entity ent = new QuorunRead().Read(o.ID, replicas);
if (ent == null)
{
ent = new Entity();
ent.Value = o;
}
else
{
ent.Timestamp++;
ent.Value = o;
}
List<Thread> callers = new List<Thread>();
int majority = (int)(Config.Instance.NumberOfReplicas / 2.0);
foreach (string addr in replicas)
{
ThreadedWrite tw = new ThreadedWrite(ent, addr, this);
Thread thread = new Thread(tw.RemoteWrite);
callers.Add(thread);
thread.Start();
}
lock (this)
{
while (countSuccessfulWrites < majority && countAnswers < callers.Count)
Monitor.Wait(this);
}
foreach (Thread t in callers)
if (t.IsAlive)
t.Abort();
if (countSuccessfulWrites < majority)
throw new ServiceUnavailableException("Could not write to a majority");
ServerManager.Instance.ServerInstance.SimpleWriteEntity(ent);
}
public ThreadedRead(string entityID, string address, QuorunRead quorunRead)
{
this.entityID = entityID;
this.address = address;
this.quorunRead = quorunRead;
}
public ThreadedRead(string entityID, string address, QuorunRead quorunRead)
{
this.entityID = entityID;
this.address = address;
this.quorunRead = quorunRead;
}
public DomainObject ReadDomainObject(string id)
{
Entity e = new QuorunRead().Read(id, replicas);
if (e != null)
return e.Value;
return null;
}
