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Questions tagged [play-reactivemongo]

Play-ReactiveMongo is a plugin for Play 2.x, enabling support for ReactiveMongo – reactive, asynchronous and non-blocking Scala driver for MongoDB.

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Reactive Mongo & Play Patterns: Handling Unit/No records

I am using ReactiveMongo with PlayFramework and have the following code in my DAO: def find(authType: AuthType.Value, authAccountId: String) = collection.find( Json.obj(Fields.AuthType → authType, Fields.AuthAccountId →…
MojoJojo
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How to create a custom BSON Reader/Writer for nested and referenced documents?

I am using play2-reactivemongo version 0.11.11 and reactivemongo-play-json. I have the following class: case class Player( id: Option[String], profiles: List[Profile], teams: List[Team], …
John Doe
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BSONObjectIDFormat in trait BSONFormats is deprecated

I am using Reactive Mongo version 0.11.11 and I want to implement a method in my DAO which counts all documents by _id. Here is my DAO: import com.google.inject.Inject import models.auth.{Team, Player} import…
John Doe
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How to add a partialFilterExpression to an index using reactiveMongo and play

I am trying to add an unique index to a field to a document where the collection has several different kinds of documents. I would like to use a partialFilterExpression to filter out unwanted documents and only apply the index to the documents I…
user1584120
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How to count documents with query in ReactiveMongo with Play's JSON library?

Let's consider I have a collection users that have the age attribute. Now I want to count either all documents in the collection users or only the ones which match the age attribute. So, I did the following: def count(age: Option[Int] = None) = { …
John Doe
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No Json serializer as JsObject found for type reactivemongo.play.json.JSONSerializationPack.type

I am using play framework 2.5.3 with reactive mongoDB. import javax.inject._ import model._ import play.api.Logger import play.api.libs.json._ import play.api.mvc._ import play.modules.reactivemongo._ import reactivemongo.api.ReadPreference import…
Peter.M
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No data inserted during start of Play application (using Play 2.4 and reactivemongo 11.11)

We're using Play Framework 2.4 with mongodb 2.6. But since we migrated reactivemongo from 0.11.10 to 0.11.11-play24, something is wrong. We're loading some data into mongodb during the start of the application. Everything looks fine, the application…
ersefuril
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Can I run mongo js scripts from reactivemongo

Stack: Scala 2.11.8, ReactiveMongo 0.11.10, Playframework 2.4.6 We manage mongo update scripts through mongo scripts, which we manually apply on each update. I want to automate this process and make this part of startup process in Play, but it seems…
mavarazy
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Perform 2 operations to update on ReactiveMongo

I am testing the next 2 query on mongo shell an it works, But now, I need to perform the same query in reactivemongo Someone can give me a suggestion for how to make the query in reactivemongo doc = db.offer.find({"_id":…
Sanx
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Get an error message while tring to rewrite ReactiveMongo + BSON to JSON in Play Framework

I tried to use Json library to replace Bson library. This is the original code which works. case class City(name: String, population: Int) object City { implicit val reader = Macros.reader[City] } @Singleton class CityController @Inject()(val…
Roger Chien
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Basic Create-from-Json Method Walkthrough

I'm new to play, scala, and reactivemongo and was wondering if someone could explain to me the following code in easy terms to understand. def createFromJson = Action.async(parse.json) { request => import play.api.libs.json.Reads._ val transformer:…
Jeff
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Insert document with ReactiveMongo does not use BSONWriter or Reader

I have the following class: case class DeviceRegistration(deviceData: DeviceData, pin: String, created: DateTime) {} Type DeviceData is defined simply as 4 string fields. I've been trying…
redwulf
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Cannot invoke the action, eventually got an error: java.lang.IllegalArgumentException: Only JsObjects can be stored in Play framework?

I am new to Reactivemongo database(2.6), as I am trying to upload/insert json object(which is of key/value pairs, I am sending it to store in database after clicking of Submit button from my UI ) from my localsystem to store in Mongodb using Play…
Dhana
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How should I use JSONFindAndModifyCommand?

I have no idea how I should use play-reactivemongo's JSONFindAndModifyCommand. I need to make an upsert query by some field. So I can first remove any existing entry and then insert. But Google says that FindAndModify command has upsert: Boolean…
iTollu
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Instantiate a val from a given @inject class

How do I instantiate an object from this class? I have another class where I would like to use the MongoUtils class as defined below. This class is from reactivemongo package controllers import javax.inject.Inject import…
summerNight
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