/// <summary>
/// Dispose scanner.
/// </summary>
public void Dispose()
{
var j = job;
j?.Dispose();
job = null;
}
/// <summary>
/// Create scanner that uses patterns.
/// </summary>
/// <param name="fileProvider"></param>
/// <param name="rootPrefix"></param>
/// <param name="patterns"></param>
/// <param name="taskFactory"></param>
/// <param name="errors"></param>
/// <param name="directoryEvaluator"></param>
/// <param name="returnDirectories"></param>
/// <param name="returnFiles"></param>
public PatternScanner(IFileProvider fileProvider, string rootPrefix, IEnumerable <KeyValuePair <string, PatternSet> > patterns, TaskFactory taskFactory, IProducerConsumerCollection <Exception> errors, Func <string, bool> directoryEvaluator, bool returnDirectories, bool returnFiles)
{
this.fileProvider = fileProvider;
this.rootPrefix = rootPrefix;
this.directoryEvaluator = directoryEvaluator;
this.paths = new List <KeyValuePair <string, PatternSet> >(patterns);
this.job = new ScanJob(fileProvider, rootPrefix, paths, errors, taskFactory, directoryEvaluator, returnDirectories, returnFiles);
this.taskFactory = taskFactory;
this.returnDirectories = returnDirectories;
this.returnFiles = returnFiles;
int count = Math.Max(1, paths.Count);
for (int i = 0; i < count; i++)
{
taskFactory.StartNew(this.job.Scan);
}
}
/// <summary>
/// Start over.
/// </summary>
public void Reset()
{
var j = job;
if (j == null)
{
throw new ObjectDisposedException(nameof(PatternScanner));
}
ScanJob newJob = new ScanJob(fileProvider, rootPrefix, paths, errors, taskFactory, directoryEvaluator, returnDirectories, returnFiles);
j = Interlocked.Exchange(ref job, newJob);
int count = Math.Max(1, paths.Count);
for (int i = 0; i < count; i++)
{
taskFactory.StartNew(this.job.Scan);
}
j.Dispose();
}