MongoDB $projection with Java

[Willy B]

Hi,

I would like to execute a query with projection via Java. I have not found a usefull tutorial which explain how to do it. Does anyone has a link or could just show me how it works?

This i how my query(it works in the MongoDB shell) looks like:

db.collection.find({"Workbook.Worksheet.Table.Row.Cell.Data": "value"},{"Workbook.Worksheet.$": 1})

thanks for the help!

[Asya Kamsky]

http://api.mongodb.org/java/current/com/mongodb/DBCollection.html#find(com.mongodb.DBObject,
com.mongodb.DBObject) has a small example.

You can see another example in section 1.3 on this page:
http://www.mkyong.com/mongodb/java-mongodb-query-document/

Basically you just want to create a second argument to find, same as
in the shell.

Asya

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[Willy B]

That worked!

Thanks