Spec-Zone .ru
спецификации, руководства, описания, API
|
Sometimes, a query might produce too many answers and you want to limit the number of answers returned. You can do this by using the count limit search control. By default, a search does not have a count limit--it will return all answers that it finds. To set the count limit of a search, pass the number to SearchControls.setCountLimit().
The following example
sets the count limit to 1.
// Set the search controls to limit the count to 1 SearchControls ctls = new SearchControls(); ctls.setCountLimit(1);
If the program attempts to get more than the count limit number of results, then a
SizeLimitExceededException will be thrown. So if a program has set a count limit, then it should either differentiate this exception from other
Specifying a count limit for a search is one way of controlling the resources (such as memory and network bandwidth) that your application consumes. Other ways to control the resources consumed are to narrow your