public BlockingList(BorrowStrategy strategy)
{
this.Strategy = strategy;
this._stack = this.GetInnerCollection(strategy);
this._blockingCollection = new BlockingCollection <T>(this._stack);
this._deleted = new HashSet <T>();
}
private bool TryPeek(BorrowStrategy strategy, out T item)
{
switch (strategy)
{
case BorrowStrategy.LIFO:
return(((ConcurrentStack <T>)_stack).TryPeek(out item));
case BorrowStrategy.FIFO:
return(((ConcurrentQueue <T>)_stack).TryPeek(out item));
case BorrowStrategy.Random:
default:
return(((ConcurrentBag <T>)_stack).TryPeek(out item));
}
}
private IProducerConsumerCollection <T> GetInnerCollection(BorrowStrategy strategy)
{
switch (strategy)
{
case BorrowStrategy.LIFO:
return(new ConcurrentStack <T>());
case BorrowStrategy.FIFO:
return(new ConcurrentQueue <T>());
case BorrowStrategy.Random:
default:
return(new ConcurrentBag <T>());
}
}
