public List <string> FindData(IEnumerable <IEntity> fileNames,
CancellationTokenSource cts = null, IProgress <int> progressChanger = null)
{
List <string> res = new List <string>();
Object lockThis = new Object();
try
{
Parallel.ForEach(fileNames, file =>
{
IVisitor findPersData = new FindPersDataVisit();
file.Accept(findPersData);
lock (lockThis)
{
foreach (var el in file.PersData)
{
res.Add(el);
}
}
if (cts != null)
{
cts.Token.ThrowIfCancellationRequested();
progressChanger.Report(50);
}
});
}
catch (OperationCanceledException)
{
return(new List <string>());
}
return(res);
}
private Task <List <string> > findPersonDataAsync(IEntity file, CancellationToken cancellationToken)
{
return(Task.Run(() => {
IVisitor findPersData = new FindPersDataVisit();
if (cancellationToken != null)
{
cancellationToken.ThrowIfCancellationRequested();
}
file.Accept(findPersData);
return file.PersData;
}));
}
private void ThreadFunc(CancellationTokenSource cts)
{
foreach (var file in nameOfFiles)
{
IVisitor findPersData = new FindPersDataVisit();
file.Accept(findPersData);
foreach (string el in file.PersData)
{
res.Add(el);
}
}
}
public List <string> FindData(IEnumerable <IEntity> fileNames,
CancellationTokenSource cts = null, IProgress <int> progressChanger = null)
{
List <string> res = new List <string>();
try
{
List <Task <List <string> > > tasks = new List <Task <List <string> > >();
int count = 0, totalCount = fileNames.Count();
foreach (var file in fileNames)
{
Task <List <string> > findTask = Task.Run(() => {
IVisitor findPersData = new FindPersDataVisit();
file.Accept(findPersData);
return(file.PersData);
});
tasks.Add(findTask);
}
foreach (var t in tasks)
{
List <string> result = t.Result;
cts.Token.ThrowIfCancellationRequested();
progressChanger.Report(count++ *100 / totalCount);
foreach (string str in result)
{
res.Add(str);
}
}
}
catch (OperationCanceledException)
{
return(new List <string>());
}
return(res);
}