de.svenkubiak.ninja.mongodb

Class MongoDB

java.lang.Object

de.svenkubiak.ninja.mongodb.MongoDB

public class MongoDB
extends Object

Convenient class for interacting with MongoDB and/or Morphia in the Ninja Web Framework

Author:

svenkubiak

Constructor Summary

Constructors

Constructor and Description
MongoDB(ninja.utils.NinjaProperties ninjaProperties)

Method Summary

Modifier and Type	Method and Description
<T> long	countAll(Class<T> clazz) Counts all objected of a mapped Morphia class
void	delete(Object object) Deletes a mapped Morphia object in MongoDB
<T> void	deleteAll(Class<T> clazz) Deletes all mapped Morphia objects of a given class
void	dropDatabase() Drops all data in MongoDB on the configured database in Ninja Framework application.conf
<T> List<T>	findAll(Class<T> clazz) Retrieves all mapped Morphia objects from MongoDB
<T> T	findById(Object id, Class<T> clazz) Retrieves a mapped Morphia object from MongoDB.
org.mongodb.morphia.Datastore	getDatastore() Creates a Morphia Datastore if none is present
com.mongodb.MongoClient	getMongoClient() Returns the MongoClient instance
org.mongodb.morphia.Morphia	getMorphia() Creates Morphia instance if none is present
void	save(Object object) Saves a mapped Morphia object to MongoDB
void	setMongoClient(com.mongodb.MongoClient mongoClient) Convenient method for overwriting the Morphia object with a given MongoClient

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MongoDB

@Inject
public MongoDB(ninja.utils.NinjaProperties ninjaProperties)

Method Detail

getDatastore

public org.mongodb.morphia.Datastore getDatastore()

Creates a Morphia Datastore if none is present

Returns:

Morphia Datastore object

getMorphia

public org.mongodb.morphia.Morphia getMorphia()

Creates Morphia instance if none is present

Returns:

Morphia instance object

getMongoClient

public com.mongodb.MongoClient getMongoClient()

Returns the MongoClient instance

Returns:

MongoClient object

setMongoClient

public void setMongoClient(com.mongodb.MongoClient mongoClient)

Convenient method for overwriting the Morphia object with a given MongoClient

Parameters:

mongoClient - MongoClient object

findById

public <T> T findById(Object id,
                      Class<T> clazz)

Retrieves a mapped Morphia object from MongoDB. If the id is not of type ObjectId, it will we converted to ObjectId

Parameters:

id - The id of the object

clazz - The mapped Morphia class

Returns:

The requested class from MongoDB or null if none found

findAll

public <T> List<T> findAll(Class<T> clazz)

Retrieves all mapped Morphia objects from MongoDB

Parameters:

clazz - The mapped Morphia class

Returns:

A list of mapped Morphia objects or an empty list of none found

countAll

public <T> long countAll(Class<T> clazz)

Counts all objected of a mapped Morphia class

Parameters:

clazz - The mapped Morphia class

Returns:

The number of objects in MongoDB

save

public void save(Object object)

Saves a mapped Morphia object to MongoDB

Parameters:

object - The object to save

delete

public void delete(Object object)

Deletes a mapped Morphia object in MongoDB

Parameters:

object - The object to delete

deleteAll

public <T> void deleteAll(Class<T> clazz)

Deletes all mapped Morphia objects of a given class

Parameters:

clazz - The mapped Morphia class

dropDatabase

public void dropDatabase()

Drops all data in MongoDB on the configured database in Ninja Framework application.conf