public void ForEach(Action <DateTime> action)
{
if (action is null)
{
throw new ArgumentNullException(nameof(action));
}
ReaderWriterLockHelper.Read((ref List <DateTime> dateTimes) => {
dateTimes.ForEach(action);
});
}
public bool Execute <T> (string text, bool ignoreCase, out T returnValue, Sender sender = default, int permissionLevel = default)
{
if (!Parse(new StringReader(text), out string name, out List <LexicalAnalyzerToken <TextCommandTokenType> > parameters))
{
returnValue = default;
return(false);
}
TextCommandInput <Sender> input = new TextCommandInput <Sender> (text, sender, permissionLevel, ignoreCase);
T innerReturnValue = default;
bool executed = false;
ReaderWriterLockHelper.Read(commands => {
foreach (var command in commands)
{
if (parameters.Count < command.Parameters.Length)
{
continue;
}
if (!command.IsParams && parameters.Count > command.Parameters.Length)
{
continue;
}
StringComparison stringComparison = ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
if (!command.Names.Exists(commandName => string.Equals(name, commandName, stringComparison)))
{
continue;
}
if (MatchParameterType && !MatchParameters(parameters, command.Parameters))
{
continue;
}
object[] values = new object[command.Parameters.Length + TextCommandAPI.RetentionParameterNumber];
try {
int index = -TextCommandAPI.RetentionParameterNumber;
for (int i = 0; i < values.Length; i++, index++)
{
if (i < TextCommandAPI.RetentionParameterNumber)
{
switch (i)
{
case 0:
values[i] = sender;
break;
default:
throw new NotImplementedException(i.ToString());
}
continue;
}
if (i == values.Length - 1 && command.IsParams)
{
Array array = Array.CreateInstance(command.Parameters[index].ElementType, parameters.Count - command.Parameters.Length + 1);
for (int n = 0; n < array.Length; n++)
{
array.SetValue(Convert.ChangeType(parameters[index + n].Value, command.Parameters[index].ElementType), n);
}
values[i] = array;
continue;
}
values[i] = Convert.ChangeType(parameters[index].Value, command.Parameters[index].ParameterInfo.ParameterType);
}
} catch {
continue;
}
if (EnablePermission)
{
bool skip = false;
OnCheckingPermission?.Invoke(command, input, ref skip);
if (!skip)
{
if (permissionLevel.CompareTo(command.PermissionLevel) < 0)
{
OnCheckedPermission?.Invoke(command, input, false);
continue;
}
OnCheckedPermission?.Invoke(command, input, true);
}
}
bool cancel = false;
OnExecuting?.Invoke(command, input, ref cancel);
if (cancel)
{
return;
}
innerReturnValue = (T)command.MethodInfo.Invoke(command.Instance, values);
executed = true;
OnExecuted?.Invoke(command, input, innerReturnValue);
return;
}
});
returnValue = innerReturnValue;
return(executed);
}
public void TestMethod1()
{
ReaderWriterLockHelper readerWriterLock = new ReaderWriterLockHelper();
AutoResetEvent autoResetEvent = new AutoResetEvent(false);
int threadNumber = 3;
int value = 10000;
new Thread(() => {
while (true)
{
bool needBreak = false;
readerWriterLock.Read(() => {
if (value <= 0)
{
needBreak = true;
return;
}
Console.WriteLine($"线程 {Thread.CurrentThread.Name} 计数 {value}");
});
if (needBreak)
{
break;
}
}
threadNumber--;
if (threadNumber <= 0)
{
autoResetEvent.Set();
}
})
{
Name = "读"
}.Start();
new Thread(() => {
while (true)
{
bool needBreak = false;
readerWriterLock.Write(() => {
if (value <= 0)
{
needBreak = true;
return;
}
value--;
Console.WriteLine($"线程 {Thread.CurrentThread.Name} 计数 {value}");
});
if (needBreak)
{
break;
}
}
threadNumber--;
if (threadNumber <= 0)
{
autoResetEvent.Set();
}
})
{
Name = "写"
}.Start();
new Thread(() => {
while (true)
{
if (!readerWriterLock.TryEnterReadLock())
{
continue;
}
try {
if (!readerWriterLock.TryEnterWriteLock(out ReaderWriterLockCookie cookie))
{
continue;
}
try {
if (value <= 0)
{
break;
}
value--;
Console.WriteLine($"线程 {Thread.CurrentThread.Name} 计数 {value}");
} finally {
readerWriterLock.ExitWriteLock(ref cookie);
}
} finally {
readerWriterLock.ExitReadLock();
}
}
threadNumber--;
if (threadNumber <= 0)
{
autoResetEvent.Set();
}
})
{
Name = "读写"
}.Start();