There is a primary statement mongo, function is aggregated I custom list and a list of the original data of intersection
The getCollection (' hb_question_standards2). Aggregate ([
{$project: {title: 1, commonToBoth: {$setIntersection: [[" pay ", "car", "mobile", "transport", "time", "train", "motor vehicle", "pay the time", "regulations", "how" and "how to pay"], "$mapDarkTitle. The word"]}}},
{$project: {title: 1, commonToBoth: 1, commonToBothSize: {size: [" $commonToBoth "]}}},
{$sort: {" commonToBothSize ": 1}},
{$limit: 30},
]);
(" pay ", "car", "mobile", "transport", "time", "train", "motor vehicle", "pay the time", "regulations", "how" and "how to pay"] is variable, and perform the above statement, get the following results (is expected results)

Now I want to have words with spring date mongo, check data after the attempt failed,
My students party, understanding is not deep enough, hope have predecessors to spend a few minutes time to give directions, I how the original statement into a corresponding spring date mongo query,

CodePudding user response:

Success has been resolved, through the interface to access the resulting
Imitation monggo original statement, beta, there has been no standard code, believe to be able to read,

List DbObjects=new ArrayList<> (a);

The Document limit=new Document ();
The Document project=new Document ();
The Document condition=new Document ();
The Document project2=new Document ();
The Document condition2=new Document ();
The Document sort=new Document ();

Condition. The put (" title ", 1);
List