public EnginesPool(int enginesCount, string developerSerialNumber, int waitingEngineTimeout)
{
projectId = developerSerialNumber;
engineHolders = new EngineHolder [enginesCount];
for (var i = 0; i < enginesCount; i++)
{
engineHolders[i] = new EngineHolder(projectId);
}
engineHolderLock = new object();
waitingTimeout = waitingEngineTimeout;
semaphore = new Semaphore(enginesCount, enginesCount);
usageCountLock = new object();
autoRecycleUsageCount = 0; // Zero means that auto recycling will not be performed
}
private void RecycleEngine(int engineIndex)
{
Log.Information("Recycling Abbyy engine with id {engineIndex}", engineIndex);
try
{
engineHolders[engineIndex].Dispose();
}
catch (Exception ex)
{
Log.Error(ex, "While recycling Abbyy engine, received an error while disposing of engine.");
}
finally
{
engineHolders[engineIndex] = new EngineHolder(projectId);
}
}
private void ReleaseEngine(int engineIndex, bool isRecycleRequired)
{
lock (engineHolderLock)
{
var isAutoRecycleRequired = AutoRecycleUsageCount != 0 &&
AutoRecycleUsageCount <= engineHolders[engineIndex].GetEngineUsageCount();
Log.Information("Releasing Abbyy engine with id {engineIndex}", engineIndex);
engineHolders[engineIndex].UnlockEngine();
if (isRecycleRequired || isAutoRecycleRequired)
{
Log.Information("Recycling Abbyy engine with id {engineIndex}", engineIndex);
engineHolders[engineIndex].Dispose();
engineHolders[engineIndex] = new EngineHolder(projectId);
}
}
}
