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 connected database
void	ensureCaps() Ensure capped DBCollections for Entity(s)
void	ensureIndexes(boolean background) Ensures (creating if necessary) the indexes found during class mapping (using @Indexed, @Indexes), possibly in the background
<T> List<T>	findAll(Class<T> clazz) Retrieves a list of 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()
com.mongodb.MongoClient	getMongoClient()
org.mongodb.morphia.Morphia	getMorphia()
void	save(Object object) Saves a mapped Morphia object to MongoDB

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()

getMorphia

public org.mongodb.morphia.Morphia getMorphia()

getMongoClient

public com.mongodb.MongoClient getMongoClient()

ensureIndexes

public void ensureIndexes(boolean background)

Ensures (creating if necessary) the indexes found during class mapping (using @Indexed, @Indexes), possibly in the background

Parameters:

background - True if background process, false otherwise

ensureCaps

public void ensureCaps()

Ensure capped DBCollections for Entity(s)

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 be 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 a list of mapped Morphia objects from MongoDB

Parameters:

clazz - The mapped Morphia class

Returns:

A list of mapped Morphia objects or an empty list if 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 connected database