我有一个简单的WeakRunnableList,想问一个问题:这种方法是否可以清理它(删除无效引用),还是有更加优雅和快速的解决方案。以下是我的WeakRunnableList的完整源代码:
public class WeakRunnableList
{
private ArrayList<WeakReference<Runnable>> _items = new ArrayList<WeakReference<Runnable>>();
public void Add(Runnable r)
{
_items.add(new WeakReference<Runnable>(r));
}
public void Execute()
{
ArrayList<WeakReference<Runnable>> remove = new ArrayList<WeakReference<Runnable>>();
for (WeakReference<Runnable> item : _items)
{
Runnable tempCheck = item.get();
if (tempCheck == null)
{
remove.add(item);
}
else
{
tempCheck.run();
}
}
_items.removeAll(remove);
}
}