My website uses Mongo as its database. I was wondering if the Java driver from the Mongo website applies to Android as well because I read that it wasn't supported.
Simpy put it's not a good Idea for your Android app to connect to MongoDB directly in the first place.
You should be thinking as if it was just another web client and implement a RESTful interface for all the data you want to exchange or update. Look at these links as a possibility or otherwise roll your own interface.
MongoDB should be supported on Android since 2.9.0
Based on this : https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10006&version=11124
This may be helpful :
http://www.mkyong.com/tutorials/java-mongodb-tutorials/
Related
I have seen the sample projects on your website for Dexie.Syncable such as sync-server and sync-client and they all seem to write to a datbase directly vs interacting with a web api. I am looking for a little help in where to get started beyond the examples on the website. The api I am trying to write a gateway for is dreamfactory
Also it looks like version 2 beta has had many improvements to Dexie.Syncable
I would recommend to build a new server-project based on either WebSocketSyncServer.js or the github repo of sync-server. However, I cannot give the details on how to call REST APIs instead of working directly towards database or memory. I would suggest using ES2016 async/await since your API calls are asynchronic.
Maybe you could try getting more help on https://github.com/nponiros/sync_server by filing an issue there.
I'm exploring building an Electron desktop app that would be powered by ElasticSearch running on the client. Is this possible, and if so, how can it be done?
Depending on interpretation, there are two possible answers to your question:
If you want to implement an elasticsearch library that enables the use of elasticsearch from within electron, try elasticsearch.js.
If you want to implement local offline search within a client, try using either lunr.js, or its weird but loveable cousin, elasticlunr.
I would like to use Meteor (Node.JS) to develop an application that will be used by 3,000+ concurrent users on a large size database.
I have looked at the nice examples and the idea to push changed data to the clients is very nice and very useful, but before I start the development I want to be sure how it works behind the scenes to be sure that when I have the application running with all these users it work fast with standard hardware.
I also require this to use Oracle as a database, but not sure that it is supported and if not, what are the requirements from an Oracle package to enable this facility.
I think that the server is having an active on going non-blocking query on the OPLOG table in mongodb and that is how we get the callback for all the changes in the database. Is that correct ? if so, is there a similar way to do it in Oracle ?
Thanks Roni.
I also require this to use Oracle as a database, but not sure that it is supported and if not, what are the requirements from an Oracle package to enable this facility.
Nope, meteor is currently mongo-only as they have implemented an in-browser library called minimongo. My guess is this project will never support oracle, but who knows. There is no mention of oracle support on the meteor project roadmap
Just happened to come across this question while searching at google.
However, if there are no native solutions. We can always figure out a way for a medium language to issue publishing.
Example Case:
Python will be used for synchronising data between Mongodb and Oracle (24/7 operation using cx_Oracle and MongoDB drivers from python)
Meteor Server will keep watch on what to publish
Meteor clients/browsers that subscribed to the channel that will be updated with oracle data.
Hi i am developing a metro style application where i will be connecting to web services and get the data from the web service and i will be binding it to the UI.
But my requirement is in my application i need to create tables and also provide relation between the tables and dump the data in to that local database and use that data in calling the other methods present in my service application (calling one more method in services by passing something as an input to that).
Can you please explain me the following :-
What is Database which is supported for metro style apps?
How can i create a database and create tables and dump the the data which i got as the response from my service application?
I am new to Metro style application development please help me out .
Thanks in Advance.
First of all WinRT has very poor db support. Most of this kind of things are done by web services, OData etc
BUT I`m almost 100% sure that you can use SQLite. On codeplex there are connectors from Win8 Metro app to SQLite DB so check this topic. I also saw somewhere on MS page that SQLite is support in some way. Check it
What Fixus said is correct. Personally , since my app doesnt have a large amount of data to store locally (it goes against the Metro guidelines to store large amounts of data) I serialize the objects instead to local storage. When needed, and if internet is available, the services will be called and the local data updated.
If you choose to use SQLlite make sure you use the real deal and not a third party db, as the DB library must be approved by Microsoft if you want to get the app accepted to the windows store. I'm not even sure that SQLite is yet approved, but by the looks of it they will be.
Tim Heuer always writes great articles on the subject, this one might help you
Let me know if you need help with serializing in WinRT, if you need it.
Best of luck!
We recommend using SQLite database with LinqConnect - Devart's LINQ to SQL compatible solution which supports SQLite engine (provided by http://code.google.com/p/csharp-sqlite/). You can employ LINQ and ADO.NET interfaces with our product. Starting from the 4.0 version, LinqConnect supports Windows Metro applications: http://blogs.devart.com/dotconnect/linqconnect-for-metro-quick-start-guide.html.
If you're building some application that has to keep working without any network connection, and needs to synchronize at some point in time, it is necessary to keep a local database.
You can read the following article, which has some basic guidelines and samples.
http://blogs.msdn.com/b/win8devsupport/archive/2013/01/10/using-database-in-windows-store-apps-i.aspx
To start with, please be sorry, I just start developping applications on AWS and I have some question that could be easy for you but not really for me... But impossible to find any response about web integration of a java website on SWF...
I'm also a new user of the spring framework, I need to do some tutorials about it (or not? SWF documentation can be enough?). But my questions are for those who have already passed time on it and can say what is the best aproach in my case. (And why?)
What is the good approach in UI design to have a web based application with ui dynamic changes? (like content slide, menu, etc... the most scalable choice)
Having the view (GWT web interface running on Elastic Beanstalk for example, or a CloudFront PHP interface using a good MVC PHP Framework?) separated from the model running on SWF? All linked by the API's.
Or having my complete web application using Flow FrameWork and GWT? (or another technology? For now I chosed this even if I have to work tutorials too, but why not using the new Dart Google's solution?)
What is the easiest approach to do it efficiently?
I understood the SWF logical approach, and I have all my project's architecture (so the scalable SWF Model) in my head, but clearly, if I want to add a new service in my project and if this service wants to get a list of existing objects (stocked in DynamoDB for example), i'd like to show this information easily because I already did it for this object.
And so, with a copy of the model on the PHP interface, I imagine I could associate methods to show this object, and so concentrate the PHP projet for showing my objects and start workflows with PHP (search and read-only?), and SWF to have a good working model launching those WF. Is it a good approach? Is there a PHP framework really adapted to do this? Rather, I do it on a non-swf java UI application?
Finally I found what I was searching about. To connect an UI interface, we have just to use good classes of the SDKs :
http://docs.amazonwebservices.com/AWSSDKforPHP/latest/index.html#i=AmazonSWF
http://docs.amazonwebservices.com/AWSJavaSDK/latest/javadoc/index.html
My question was really simple, but I wasn't able to understand the entire SWF architecture.
So the solution is to implement the application's MODEL-CONTROLER with the SWF Flow FrameWork, and after that, we can connect the VIEWs with any of the SDK to start workflows. We can also connect an Android or iPhone application easily with the good SDK.