// singleton pattern
#endregion singleton
public QueryProcessor GetAvailableFromPool(string Server, string Database, string TaskId)
{
if (TaskId == null || TaskId == "")
{
throw new ArgumentException("Invlaid TaskId");
}
if (_canceledTasks.Contains(TaskId))
{
throw new Exception("Task is canceled: " + TaskId.ToUpper());
}
// check if not resetting
WaitForAvalability();
QueryProcessor proc = null;
int count = 0;
int maxCount = FI.Common.AppConfig.DA_OlapProcessorCount;
// find avalailable
while (true)
{
lock (this)
{
for (int i = 0; i < _pool.Count; i++)
{
proc = (QueryProcessor)_pool[i];
if (proc.Server == Server && proc.Database == Database)
{
count++;
if (proc.TryAllocate(TaskId))
{
return(proc);
}
}
}
// if possible to add processor
if (count < maxCount)
{
int port = __BASETCPPORT + _pool.Count + 1;
proc = new QueryProcessor(port, Server, Database);
_pool.Add(proc);
if (proc.TryAllocate(TaskId))
{
return(proc);
}
}
}
// sleep till next loop
System.Threading.Thread.Sleep(200);
}
}
public QueryProcessor GetAvailableFromPool(string Server, string Database, string TaskId)
{
if(TaskId==null || TaskId=="")
throw new ArgumentException("Invlaid TaskId");
if(_canceledTasks.Contains(TaskId))
throw new Exception("Task is canceled: " + TaskId.ToUpper());
// check if not resetting
WaitForAvalability();
QueryProcessor proc=null;
int count=0;
int maxCount=FI.Common.AppConfig.DA_OlapProcessorCount;
// find avalailable
while(true)
{
lock(this)
{
for(int i=0;i<_pool.Count;i++)
{
proc=(QueryProcessor)_pool[i];
if(proc.Server==Server && proc.Database==Database)
{
count++;
if(proc.TryAllocate(TaskId))
return proc;
}
}
// if possible to add processor
if(count<maxCount)
{
int port=__BASETCPPORT + _pool.Count +1;
proc=new QueryProcessor(port, Server, Database);
_pool.Add(proc);
if(proc.TryAllocate(TaskId))
return proc;
}
}
// sleep till next loop
System.Threading.Thread.Sleep(200);
}
}
// singleton pattern
#endregion singleton
public QueryProcessor GetAvailableFromPool(string Server, string Database, string TaskId)
{
//Common.LogWriter.Instance.WriteEventLogEntry(
// string.Format("ProcessorPool request: server {0}, database {1}.", Server, Database));
if (TaskId == null || TaskId == "")
{
throw new ArgumentException("Invlaid TaskId");
}
if (_canceledTasks.Contains(TaskId))
{
throw new Exception("Task is canceled: " + TaskId.ToUpper());
}
// check if not resetting
WaitForAvalability();
QueryProcessor proc = null;
int count = 0;
int maxCount = __MAXPROCESSORCOUNT; //FI.Common.AppConfig.DA_OlapProcessorCount;
// find avalailable
QueryProcessor ret = null;
while (true)
{
lock (this)
{
for (int i = 0; i < _pool.Count; i++)
{
proc = (QueryProcessor)_pool[i];
if (proc.Server == Server && proc.Database == Database)
{
count++;
if (proc.TryAllocate(TaskId))
{
ret = proc;
}
}
}
// if possible to add processor
if (ret == null && count < maxCount)
{
//int port=__BASETCPPORT + _pool.Count +1;
proc = new QueryProcessor(Server, Database);
_pool.Add(proc);
if (proc.TryAllocate(TaskId))
{
ret = proc;
}
}
}
if (ret != null)
{
//Common.LogWriter.Instance.WriteEventLogEntry(
// string.Format("ProcessorPool count {0}.", _pool.Count.ToString()));
return(ret);
}
// sleep till next loop
System.Threading.Thread.Sleep(200);
}
}