private INode <T> FindExistingNodeByKey(TKey key)
{
return(RWLock.GetReadLock(_lock, LockTimeout, delegate
{
WeakReference value;
return (INode <T>)(index.TryGetValue(key, out value) ? value.Target : null);
}));
}
private INode GetNode(TKey key)
{
return(RWLock.GetReadLock(_lock, _lockTimeout, delegate
{
WeakReference value;
return (INode)(_index.TryGetValue(key, out value) ? value.Target : null);
}));
}
/// <summary>
/// Gets the TValue with the specified key.
/// </summary>
/// <value></value>
public virtual TValue this[TKey key]
{
get
{
return(RWLock.GetReadLock(
_dictLock,
RWLock.DEFAULT_RWLOCK_TIMEOUT,
() =>
{
TValue value;
if (_dict.TryGetValue(key, out value))
{
return value;
}
return default(TValue);
}));
}
}
/// <summary>
/// Gets or sets the TValue with the specified key.
/// </summary>
/// <value></value>
public TValue this[TKey key]
{
get
{
return(RWLock.GetReadLock(_lock, _lockTimeout, delegate
{
Node node;
if (_data.TryGetValue(key, out node))
{
DeleteNode(node);
InsertNode(node);
return node.Value;
}
return default(TValue);
}));
}
set
{
Add(key, value);
}
}