/**
* Cancels all requests in this queue for which the given filter applies.
*
* <p>取消当前请求集合中所有符合条件的请求。 filter 参数表示可以按照自定义的过滤器过滤需要取消的请求。
*
* @param filter The filtering function to use
*/
public void cancelAll(RequestFilter filter) {
synchronized (mCurrentRequests) {
for (Request<?> request : mCurrentRequests) {
if (filter.apply(request)) {
request.cancel();
}
}
}
}
@Override
public synchronized boolean cancel(boolean mayInterruptIfRunning) {
if (mRequest == null) {
return false;
}
if (!isDone()) {
mRequest.cancel();
return true;
} else {
return false;
}
}