com.googlecode.mjorm

Class MongoDaoImpl

java.lang.Object

com.googlecode.mjorm.MongoDaoImpl

All Implemented Interfaces:

MongoDao

public class MongoDaoImpl
extends java.lang.Object
implements MongoDao

Basic implementation of the MongoDao interface.

Constructor Summary

Constructors

Constructor and Description
MongoDaoImpl() Creates the MongoDaoImpl.
MongoDaoImpl(com.mongodb.DB db, ObjectMapper objectMapper) Creates the MongoDaoImpl.

Method Summary

Methods

Modifier and Type	Method and Description
long	countObjects(java.lang.String collection, com.mongodb.DBObject query) Returns the count of objects matching the given query in the given collection.
<T> T	createObject(java.lang.String collection, T object) Creates the object in the given collection.
<T> T	createObject(java.lang.String collection, T object, com.mongodb.WriteConcern concern) Creates the object in the given collection.
<T> T[]	createObjects(java.lang.String collection, T[] objects) Creates the given objects in the given collection.
<T> T[]	createObjects(java.lang.String collection, T[] objects, com.mongodb.WriteConcern concern) Creates the given objects in the given collection.
DaoQuery	createQuery() Creates a DaoQuery and returns it.
Statement	createStatement(java.lang.String mql) Creates a Statement from the given mql code and returns it.
void	deleteObject(java.lang.String collection, java.lang.Object id) Deletes the object with the given id from the given collection.
void	deleteObject(java.lang.String collection, java.lang.Object id, com.mongodb.WriteConcern concern) Deletes the object with the given id from the given collection.
void	deleteObjects(java.lang.String collection, com.mongodb.DBObject query) Deletes the objects matching the given query from the given collection.
void	deleteObjects(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.WriteConcern concern) Deletes the objects matching the given query from the given collection.
void	deleteObjects(java.lang.String collection, java.lang.Object[] ids) Deletes the objects matching the given query from the given collection.
void	deleteObjects(java.lang.String collection, java.lang.Object[] ids, com.mongodb.WriteConcern concern) Deletes the objects matching the given query from the given collection.
void	deletePartialObject(java.lang.String collection, com.mongodb.DBObject query, java.lang.String name) Deletes a partial object.
void	deletePartialObject(java.lang.String collection, com.mongodb.DBObject query, java.lang.String name, com.mongodb.WriteConcern concern) Deletes a partial object.
void	deletePartialObject(java.lang.String collection, java.lang.Object id, java.lang.String name) Deletes a partial object.
void	deletePartialObject(java.lang.String collection, java.lang.Object id, java.lang.String name, com.mongodb.WriteConcern concern) Deletes a partial object.
void	ensureIndex(java.lang.String collection, com.mongodb.DBObject keys, boolean background, boolean unique, boolean dropDupes) Ensures that an index exists on the given collection.
void	ensureIndex(java.lang.String collection, java.lang.String key, boolean background, boolean unique, boolean dropDupes) Ensures that an index exists on the given collection.
com.mongodb.CommandResult	executeCommand(com.mongodb.DBObject cmd) Executes the given command.
com.mongodb.CommandResult	executeCommand(java.lang.String cmd) Executes the given command.
<T> T	findAndDelete(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject sort, java.lang.Class<T> clazz) Finds and removes the first object matching the query from the given collection and returns it.
<T> T	findAndDelete(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject sort, java.lang.Class<T> clazz, java.lang.String[] fields) Finds and removes the first object matching the query from the given collection and returns it.
<T> T	findAndModify(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject sort, com.mongodb.DBObject update, boolean returnNew, boolean upsert, java.lang.Class<T> clazz) Performs a find and modify.
<T> T	findAndModify(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject sort, com.mongodb.DBObject update, boolean returnNew, boolean upsert, java.lang.Class<T> clazz, java.lang.String[] fields) Performs a find and modify.
<T> ObjectIterator<T>	findByExample(java.lang.String collection, T example, java.lang.Class<T> clazz) Finds objects by the given example in the given collection and returns an ObjectIterator for them.
<T> T	findObject(java.lang.String collection, com.mongodb.DBObject query, java.lang.Class<T> clazz) Maps and returns a single object matching the given query from the given collection.
<T> ObjectIterator<T>	findObjects(java.lang.String collection, com.mongodb.DBObject query, java.lang.Class<T> clazz) Maps and returns an ObjectIterator for objects matching the given query in the given collection.
com.mongodb.DBCollection	getCollection(java.lang.String name) Returns a DBCollection by it's name.
com.mongodb.DB	getDB() Returns the underlying DB.
<T> T	getPartialObject(java.lang.String collection, com.mongodb.DBObject query, java.lang.String name, java.lang.Class<T> clazz) Returns a partial object.
<T> T	getPartialObject(java.lang.String collection, java.lang.Object id, java.lang.String name, java.lang.Class<T> clazz) Returns a partial object.
MapReduceResult	mapReduce(java.lang.String collection, MapReduce mapReduce) Executes a MapReduce job using the given MapReduceConfiguration.
<T> T	readObject(java.lang.String collection, java.lang.Object id, java.lang.Class<T> clazz) Maps and returns an object from the given collection.
<T> T[]	readObjects(java.lang.String collection, java.lang.Object[] ids, java.lang.Class<T> clazz) Maps and returns a objects from the given collection.
<T> void	savePartialObject(java.lang.String collection, com.mongodb.DBObject query, java.lang.String name, T data, boolean upsert)
<T> void	savePartialObject(java.lang.String collection, com.mongodb.DBObject query, java.lang.String name, T data, boolean upsert, com.mongodb.WriteConcern concern) Saves a partial object.
<T> void	savePartialObject(java.lang.String collection, java.lang.Object id, java.lang.String name, T data, boolean upsert) Saves a partial object.
<T> void	savePartialObject(java.lang.String collection, java.lang.Object id, java.lang.String name, T data, boolean upsert, com.mongodb.WriteConcern concern) Saves a partial object.
void	setDb(com.mongodb.DB db)
void	setObjectMapper(ObjectMapper objectMapper)
void	update(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject update, boolean upsert, boolean multi)
void	update(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject update, boolean upsert, boolean multi, com.mongodb.WriteConcern concern)
void	update(java.lang.String collection, com.mongodb.DBObject query, com.mongodb.DBObject update, boolean upsert, boolean multi, com.mongodb.WriteConcern concern, com.mongodb.DBEncoder encoder)
void	updateObject(java.lang.String collection, java.lang.Object id, java.lang.Object o) Updates the object with the given id in the given collection.
void	updateObject(java.lang.String collection, java.lang.Object id, java.lang.Object o, com.mongodb.WriteConcern concern) Updates the object with the given id in the given collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

MongoDaoImpl

public MongoDaoImpl(com.mongodb.DB db,
            ObjectMapper objectMapper)

Creates the MongoDaoImpl.

Parameters:

db - the DB

objectMapper - the ObjectMapper

MongoDaoImpl

public MongoDaoImpl()

Creates the MongoDaoImpl.

Method Detail

createStatement

public Statement createStatement(java.lang.String mql)

Creates a Statement from the given mql code and returns it.

Specified by:

createStatement in interface MongoDao

Parameters:

mql - the MQL code

Returns:

the Statement

createQuery

public DaoQuery createQuery()

Creates a DaoQuery and returns it.

Specified by:

createQuery in interface MongoDao

Returns:

the DaoQuery

countObjects

public long countObjects(java.lang.String collection,
                com.mongodb.DBObject query)

Returns the count of objects matching the given query in the given collection.

Specified by:

countObjects in interface MongoDao

Parameters:

collection - the collection

query - the query

Returns:

the count

createObject

public <T> T createObject(java.lang.String collection,
                 T object,
                 com.mongodb.WriteConcern concern)

Creates the object in the given collection.

Specified by:

createObject in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

object - the object to create

concern - the WriteConcern

Returns:

the created object

createObject

public <T> T createObject(java.lang.String collection,
                 T object)

Creates the object in the given collection.

Specified by:

createObject in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

object - the object to create

Returns:

the created object

createObjects

public <T> T[] createObjects(java.lang.String collection,
                    T[] objects)

Creates the given objects in the given collection.

Specified by:

createObjects in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

objects - the objects to create

Returns:

the created objects

createObjects

public <T> T[] createObjects(java.lang.String collection,
                    T[] objects,
                    com.mongodb.WriteConcern concern)

Creates the given objects in the given collection.

Specified by:

createObjects in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

objects - the objects to create

concern - the WriteConcern

Returns:

the created objects

deleteObject

public void deleteObject(java.lang.String collection,
                java.lang.Object id,
                com.mongodb.WriteConcern concern)

Deletes the object with the given id from the given collection.

Specified by:

deleteObject in interface MongoDao

Parameters:

collection - the collection

id - the id

deleteObject

public void deleteObject(java.lang.String collection,
                java.lang.Object id)

Deletes the object with the given id from the given collection.

Specified by:

deleteObject in interface MongoDao

Parameters:

collection - the collection

id - the id

deleteObjects

public void deleteObjects(java.lang.String collection,
                 java.lang.Object[] ids,
                 com.mongodb.WriteConcern concern)

Deletes the objects matching the given query from the given collection.

Specified by:

deleteObjects in interface MongoDao

Parameters:

collection - the collection

ids - the ids of the objects to delete

deleteObjects

public void deleteObjects(java.lang.String collection,
                 java.lang.Object[] ids)

Deletes the objects matching the given query from the given collection.

Specified by:

deleteObjects in interface MongoDao

Parameters:

collection - the collection

ids - the ids of the objects to delete

deleteObjects

public void deleteObjects(java.lang.String collection,
                 com.mongodb.DBObject query,
                 com.mongodb.WriteConcern concern)

Deletes the objects matching the given query from the given collection.

Specified by:

deleteObjects in interface MongoDao

Parameters:

collection - the collection

query - the query

deleteObjects

public void deleteObjects(java.lang.String collection,
                 com.mongodb.DBObject query)

Deletes the objects matching the given query from the given collection.

Specified by:

deleteObjects in interface MongoDao

Parameters:

collection - the collection

query - the query

getPartialObject

public <T> T getPartialObject(java.lang.String collection,
                     java.lang.Object id,
                     java.lang.String name,
                     java.lang.Class<T> clazz)

Returns a partial object.

Specified by:

getPartialObject in interface MongoDao

Type Parameters:

T - the partial object type

Parameters:

collection - the collection

id - the document's id

name - the name

clazz - the type

Returns:

the partial object

getPartialObject

public <T> T getPartialObject(java.lang.String collection,
                     com.mongodb.DBObject query,
                     java.lang.String name,
                     java.lang.Class<T> clazz)

Returns a partial object.

Specified by:

getPartialObject in interface MongoDao

Type Parameters:

T - the partial object type

Parameters:

collection - the collection

query - the query

name - the name

clazz - the type

Returns:

the partial object

savePartialObject

public <T> void savePartialObject(java.lang.String collection,
                         java.lang.Object id,
                         java.lang.String name,
                         T data,
                         boolean upsert,
                         com.mongodb.WriteConcern concern)

Saves a partial object.

Specified by:

savePartialObject in interface MongoDao

Type Parameters:

T - the partial object type

Parameters:

collection - the collection

id - the document's id

name - the name

data - the data to save

upsert - the upsert

savePartialObject

public <T> void savePartialObject(java.lang.String collection,
                         java.lang.Object id,
                         java.lang.String name,
                         T data,
                         boolean upsert)

Saves a partial object.

Specified by:

savePartialObject in interface MongoDao

Type Parameters:

T - the partial object type

Parameters:

collection - the collection

id - the document's id

name - the name

data - the data to save

upsert - the upsert

savePartialObject

public <T> void savePartialObject(java.lang.String collection,
                         com.mongodb.DBObject query,
                         java.lang.String name,
                         T data,
                         boolean upsert)

savePartialObject

public <T> void savePartialObject(java.lang.String collection,
                         com.mongodb.DBObject query,
                         java.lang.String name,
                         T data,
                         boolean upsert,
                         com.mongodb.WriteConcern concern)

Saves a partial object.

Specified by:

savePartialObject in interface MongoDao

Type Parameters:

T - the partial object type

Parameters:

collection - the collection

query - the query

name - the name

data - the data to save

upsert - the upsert

deletePartialObject

public void deletePartialObject(java.lang.String collection,
                       com.mongodb.DBObject query,
                       java.lang.String name,
                       com.mongodb.WriteConcern concern)

Deletes a partial object.

Specified by:

deletePartialObject in interface MongoDao

Parameters:

collection - the collection

query - the query

name - the name

deletePartialObject

public void deletePartialObject(java.lang.String collection,
                       com.mongodb.DBObject query,
                       java.lang.String name)

Deletes a partial object.

Specified by:

deletePartialObject in interface MongoDao

Parameters:

collection - the collection

query - the query

name - the name

deletePartialObject

public void deletePartialObject(java.lang.String collection,
                       java.lang.Object id,
                       java.lang.String name,
                       com.mongodb.WriteConcern concern)

Deletes a partial object.

Specified by:

deletePartialObject in interface MongoDao

Parameters:

collection - the collection

id - the document's id

name - the name

deletePartialObject

public void deletePartialObject(java.lang.String collection,
                       java.lang.Object id,
                       java.lang.String name)

Deletes a partial object.

Specified by:

deletePartialObject in interface MongoDao

Parameters:

collection - the collection

id - the document's id

name - the name

findByExample

public <T> ObjectIterator<T> findByExample(java.lang.String collection,
                                  T example,
                                  java.lang.Class<T> clazz)

Finds objects by the given example in the given collection and returns an ObjectIterator for them.

Specified by:

findByExample in interface MongoDao

Type Parameters:

T - the object type

Parameters:

collection - the collection

example - the example

clazz - the class

Returns:

the ObjectIterator

findObject

public <T> T findObject(java.lang.String collection,
               com.mongodb.DBObject query,
               java.lang.Class<T> clazz)

Maps and returns a single object matching the given query from the given collection.

Specified by:

findObject in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

query - the query

clazz - the java type to map the objects to

Returns:

the object, or null if not found

findObjects

public <T> ObjectIterator<T> findObjects(java.lang.String collection,
                                com.mongodb.DBObject query,
                                java.lang.Class<T> clazz)

Maps and returns an ObjectIterator for objects matching the given query in the given collection.

Specified by:

findObjects in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

query - the query

clazz - the java type to map the objects to

Returns:

the ObjectIterator

getCollection

public com.mongodb.DBCollection getCollection(java.lang.String name)

Returns a DBCollection by it's name.

Specified by:

getCollection in interface MongoDao

Parameters:

name - the name

Returns:

the DBCollection

getDB

public com.mongodb.DB getDB()

Returns the underlying DB.

Specified by:

getDB in interface MongoDao

Returns:

the DB

readObject

public <T> T readObject(java.lang.String collection,
               java.lang.Object id,
               java.lang.Class<T> clazz)

Maps and returns an object from the given collection.

Specified by:

readObject in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

id - the object's id

clazz - the object's class

Returns:

the object read

readObjects

public <T> T[] readObjects(java.lang.String collection,
                  java.lang.Object[] ids,
                  java.lang.Class<T> clazz)

Maps and returns a objects from the given collection.

Specified by:

readObjects in interface MongoDao

Type Parameters:

T - the type

Parameters:

collection - the collection

ids - the object's id

clazz - the object's class

Returns:

the objects read

updateObject

public void updateObject(java.lang.String collection,
                java.lang.Object id,
                java.lang.Object o,
                com.mongodb.WriteConcern concern)

Updates the object with the given id in the given collection.

Specified by:

updateObject in interface MongoDao

Parameters:

collection - the collection

id - the id

o - the object

updateObject

public void updateObject(java.lang.String collection,
                java.lang.Object id,
                java.lang.Object o)

Updates the object with the given id in the given collection.

Specified by:

updateObject in interface MongoDao

Parameters:

collection - the collection

id - the id

o - the object

executeCommand

public com.mongodb.CommandResult executeCommand(com.mongodb.DBObject cmd)

Executes the given command.

Specified by:

executeCommand in interface MongoDao

Parameters:

cmd - the command to execute

Returns:

the result

executeCommand

public com.mongodb.CommandResult executeCommand(java.lang.String cmd)

Executes the given command.

Specified by:

executeCommand in interface MongoDao

Parameters:

cmd - the command to execute

Returns:

the result

ensureIndex

public void ensureIndex(java.lang.String collection,
               java.lang.String key,
               boolean background,
               boolean unique,
               boolean dropDupes)

Ensures that an index exists on the given collection.

Specified by:

ensureIndex in interface MongoDao

Parameters:

collection - the collection

key - the key

background - whether or not to build the index in the background

unique - if it's a unique index

dropDupes - whether or not to drop duplicate documents

ensureIndex

public void ensureIndex(java.lang.String collection,
               com.mongodb.DBObject keys,
               boolean background,
               boolean unique,
               boolean dropDupes)

Ensures that an index exists on the given collection.

Specified by:

ensureIndex in interface MongoDao

Parameters:

collection - the collection

keys - the keys

background - whether or not to build the index in the background

unique - if it's a unique index

dropDupes - whether or not to drop duplicate documents

mapReduce

public MapReduceResult mapReduce(java.lang.String collection,
                        MapReduce mapReduce)

Executes a MapReduce job using the given MapReduceConfiguration.

Specified by:

mapReduce in interface MongoDao

Parameters:

collection - the collection to run in on

mapReduce - the MapReduce

Returns:

the MapReduceOutput

findAndDelete

public <T> T findAndDelete(java.lang.String collection,
                  com.mongodb.DBObject query,
                  com.mongodb.DBObject sort,
                  java.lang.Class<T> clazz,
                  java.lang.String[] fields)

Finds and removes the first object matching the query from the given collection and returns it.

Specified by:

findAndDelete in interface MongoDao

Parameters:

collection - the collection

query - the query

clazz - the class

fields - the fields to populate in the return object

Returns:

the removed object

findAndDelete

public <T> T findAndDelete(java.lang.String collection,
                  com.mongodb.DBObject query,
                  com.mongodb.DBObject sort,
                  java.lang.Class<T> clazz)

Finds and removes the first object matching the query from the given collection and returns it.

Specified by:

findAndDelete in interface MongoDao

Parameters:

collection - the collection

query - the query

clazz - the class

Returns:

the removed object

findAndModify

public <T> T findAndModify(java.lang.String collection,
                  com.mongodb.DBObject query,
                  com.mongodb.DBObject sort,
                  com.mongodb.DBObject update,
                  boolean returnNew,
                  boolean upsert,
                  java.lang.Class<T> clazz,
                  java.lang.String[] fields)

Performs a find and modify.

Specified by:

findAndModify in interface MongoDao

Parameters:

collection - the collection

query - the query

sort - the sort option

update - the update object

returnNew - whether or not to return the new or old value

upsert - create if it doesn't exist

clazz - the type

fields - the fields to populate in the return object

Returns:

the object

findAndModify

public <T> T findAndModify(java.lang.String collection,
                  com.mongodb.DBObject query,
                  com.mongodb.DBObject sort,
                  com.mongodb.DBObject update,
                  boolean returnNew,
                  boolean upsert,
                  java.lang.Class<T> clazz)

Performs a find and modify.

Specified by:

findAndModify in interface MongoDao

Parameters:

collection - the collection

query - the query

sort - the sort option

update - the update object

returnNew - whether or not to return the new or old value

upsert - create if it doesn't exist

clazz - the type

Returns:

the object

update

public void update(java.lang.String collection,
          com.mongodb.DBObject query,
          com.mongodb.DBObject update,
          boolean upsert,
          boolean multi,
          com.mongodb.WriteConcern concern,
          com.mongodb.DBEncoder encoder)

Specified by:

update in interface MongoDao

update

public void update(java.lang.String collection,
          com.mongodb.DBObject query,
          com.mongodb.DBObject update,
          boolean upsert,
          boolean multi,
          com.mongodb.WriteConcern concern)

Specified by:

update in interface MongoDao

update

public void update(java.lang.String collection,
          com.mongodb.DBObject query,
          com.mongodb.DBObject update,
          boolean upsert,
          boolean multi)

Specified by:

update in interface MongoDao

setDb

public void setDb(com.mongodb.DB db)

Parameters:

db - the db to set

setObjectMapper

public void setObjectMapper(ObjectMapper objectMapper)

Parameters:

objectMapper - the objectMapper to set