internal void UpdateInternalState(IEnumerable <string> vars)
{
using (var guard = new UpgradeableGuard(_bindingLock))
{
if (AddObject(PlcObject, Variables, vars))
{
var bindings = new Dictionary <string, PlcObjectBinding>();
foreach (var rawDataBlock in _mapper.Optimizer.CreateRawReadOperations(PlcObject.Selector, Variables, ReadDataBlockSize))
{
if (rawDataBlock.References.Any())
{
foreach (var reference in rawDataBlock.References)
{
bindings.Add(reference.Key, new PlcObjectBinding(rawDataBlock, reference.Value.Item2, reference.Value.Item1, ValidationTimeMs));
}
}
}
if (bindings.Any())
{
using (var writeGuard = guard.UpgradeToWriterLock())
{
//extend bindings with the new created ones
_bindings = _bindings != null
? _bindings.Union(bindings
.Where(kvp => !_bindings.ContainsKey(kvp.Key))
).ToDictionary(kvp => kvp.Key, kvp => kvp.Value)
: bindings;
}
}
}
}
}
public UpgradedGuard(UpgradeableGuard parentGuard)
{
_parentGuard = parentGuard;
_writerLock = new WriterGuard(_parentGuard._readerWriterLock);
}