import org.yaml.snakeyaml.events.CollectionEndEvent; //导入依赖的package包/类
private boolean needEvents(int count) {
    int level = 0;
    Iterator<Event> iter = events.iterator();
    iter.next();
    while (iter.hasNext()) {
        Event event = iter.next();
        if (event instanceof DocumentStartEvent || event instanceof CollectionStartEvent) {
            level++;
        } else if (event instanceof DocumentEndEvent || event instanceof CollectionEndEvent) {
            level--;
        } else if (event instanceof StreamEndEvent) {
            level = -1;
        }
        if (level < 0) {
            return false;
        }
    }
    return events.size() < count + 1;
}
 

import org.yaml.snakeyaml.events.CollectionEndEvent; //导入依赖的package包/类
private boolean needEvents(int count)
{
    int level = 0;
    Iterator<Event> iter = this.events.iterator();
    iter.next();
    while (iter.hasNext())
    {
        Event event = iter.next();
        if ((event instanceof DocumentStartEvent) || (event instanceof CollectionStartEvent))
        {
            level++;
        }
        else if ((event instanceof DocumentEndEvent) || (event instanceof CollectionEndEvent))
        {
            level--;
        }
        else if (event instanceof StreamEndEvent)
        {
            level = - 1;
        }
        if (level < 0)
        {
            return false;
        }
    }
    return this.events.size() < (count + 1);
}