从mongodb获取数据并插入mongodb

Question

I am totally new to mongoDB . Currently , I am working on an application , where there is a search button which will search into the mongoDB, if value is present then it will return a JSON data .If not then I am giving a functionality through which user can add in mongoDB .

BasicDBObject whereQuery = new BasicDBObject();
whereQuery.put(URL_KEY, companyUrl);
NoticePay noticePay;
Document mongoDoc = collection.find(whereQuery).projection(fields(include(URL_KEY, NOTICE_PERIOD_KEY, PAY_SCALE_KEY), excludeId())).first();

Here , My query is not working properly .

{ "_id" : ObjectId("5804926140fbe41a7c5afbf0"), "companies" : { "companyName" : "ABC", "url" : "abc.com", "noticePeriod" : 50, "payScale" : "M" } }

So , How can I change my query so that I will be able to search it using this json . Previously , It was working with following form of json

{ "_id" : ObjectId("5801dcf110227b0bcd178292"), "companyName" : "ABC ", "url" : "Abc.com", "noticekPeriod" : 60, "payScale" : "L" }

Can any one help me to solve this issue ? And also how can I insert a document in the 2nd form in mongodb using java ? Thanks in advance.

Answer 1

How can I change my query so that I will be able to search it using this json { "_id" : ObjectId("5804926140fbe41a7c5afbf0"), "companies" : { "companyName" : "ABC", "url" : "abc.com", "noticePeriod" : 50, "payScale" : "M" } }

String URL_KEY = "companies.url";
String NOTICE_PERIOD_KEY = "companies.noticePeriod";
String PAY_SCALE_KEY = "companies.payScale";
BasicDBObject whereQuery = new BasicDBObject();
whereQuery.put(URL_KEY, companyUrl);
NoticePay noticePay;
Document mongoDoc = collection.find(whereQuery).projection(fields(include(URL_KEY, NOTICE_PERIOD_KEY, PAY_SCALE_KEY), excludeId())).first();

how can I insert a document in the 2nd form in mongodb using java ?

String URL_KEY = "companies.url";
String NOTICE_PERIOD_KEY = "companies.noticePeriod";
String PAY_SCALE_KEY = "companies.payScale";
BasicDBObject dbObject = new BasicDBObject();
dbObject.put("companies.companyName", companyName);
dbObject.put(URL_KEY, companyUrl);
dbObject.put(NOTICE_PERIOD_KEY, noticePeriod);
dbObject.put(PAY_SCALE_KEY, payScale);
collection.insert(dbObject);