wasSharp – Rev 40
?pathlinks?
///////////////////////////////////////////////////////////////////////////
// Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 //
// Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
// rights of fair usage, the disclaimer and warranty conditions. //
///////////////////////////////////////////////////////////////////////////
using System.Collections;
using System.Collections.Generic;
using System.Threading;
namespace wasSharp.Collections.Specialized
{
public static class ConcurrentListExtensions
{
public static ConcurrentList<T> ToConcurrentList<T>(this IEnumerable<T> enumerable)
{
return new ConcurrentList<T>(enumerable);
}
}
public class ConcurrentList<T> : IList<T>
{
private readonly ReaderWriterLockSlim _lock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
private readonly List<T> _list = null;
public ConcurrentList(IEnumerable<T> v)
{
try
{
_lock.EnterWriteLock();
_list = new List<T>();
foreach (var i in v)
{
_list.Add(i);
}
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public ConcurrentList()
{
try
{
_lock.EnterWriteLock();
_list = new List<T>();
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public int Count
{
get
{
_lock.EnterReadLock();
var c = _list.Count;
_lock.ExitReadLock();
return c;
}
}
public bool IsReadOnly
{
get
{
try
{
_lock.EnterReadLock();
return ((IList<T>)_list).IsReadOnly;
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
}
public T this[int index]
{
get
{
try
{
_lock.EnterReadLock();
return _list[index];
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
set
{
try
{
_lock.EnterWriteLock();
_list[index] = value;
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
}
public int IndexOf(T item)
{
try
{
_lock.EnterReadLock();
return _list.IndexOf(item);
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
public void Insert(int index, T item)
{
try
{
_lock.EnterWriteLock();
_list.Insert(index, item);
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public void RemoveAt(int index)
{
try
{
_lock.EnterWriteLock();
_list.RemoveAt(index);
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public void Add(T item)
{
try
{
_lock.EnterWriteLock();
_list.Add(item);
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public void Clear()
{
try
{
_lock.EnterWriteLock();
_list.Clear();
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public bool Contains(T item)
{
try
{
_lock.EnterReadLock();
return _list.Contains(item);
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
public void CopyTo(T[] array, int arrayIndex)
{
try
{
_lock.EnterReadLock();
_list.CopyTo(array, arrayIndex);
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
public bool Remove(T item)
{
try
{
_lock.EnterWriteLock();
return _list.Remove(item);
}
finally
{
if (_lock.IsWriteLockHeld) _lock.ExitWriteLock();
}
}
public IEnumerator<T> GetEnumerator()
{
try
{
_lock.EnterReadLock();
return ((IList<T>)_list).GetEnumerator();
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
IEnumerator IEnumerable.GetEnumerator()
{
try
{
_lock.EnterReadLock();
return ((IList<T>)_list).GetEnumerator();
}
finally
{
if (_lock.IsReadLockHeld) _lock.ExitReadLock();
}
}
}
}