Class MongoDatabaseUtils

java.lang.Object

org.springframework.data.mongodb.MongoDatabaseUtils

public class MongoDatabaseUtils
extends Object

Helper class for managing a MongoDatabase instances via MongoDatabaseFactory. Used for obtaining session bound resources, such as MongoDatabase and MongoCollection suitable for transactional usage.
Note: Intended for internal usage only.

Since:

2.1

Author:

Christoph Strobl, Mark Paluch

Constructor Summary

Constructors

Constructor	Description
MongoDatabaseUtils()

Method Summary

Modifier and Type	Method	Description
static MongoDatabase	getDatabase(@Nullable String dbName, MongoDatabaseFactory factory)	Obtain the database with given name form the given factory using native session synchronization.
static MongoDatabase	getDatabase(@Nullable String dbName, MongoDatabaseFactory factory, SessionSynchronization sessionSynchronization)	Obtain the database with given name form the given factory.
static MongoDatabase	getDatabase(MongoDatabaseFactory factory)	Obtain the default database form the given factory using native session synchronization.
static MongoDatabase	getDatabase(MongoDatabaseFactory factory, SessionSynchronization sessionSynchronization)	Obtain the default database form the given factory.
static boolean	isTransactionActive(MongoDatabaseFactory dbFactory)	Check if the MongoDatabaseFactory is actually bound to a ClientSession that has an active transaction, or if a TransactionSynchronization has been registered for the resource and if the associated ClientSession has an active transaction.

Methods inherited from class Object

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

Constructor Details

MongoDatabaseUtils

public MongoDatabaseUtils()

Method Details

getDatabase

public static MongoDatabase getDatabase(MongoDatabaseFactory factory)

Obtain the default database form the given factory using native session synchronization.
Registers a MongoDB specific transaction synchronization within the current Thread if synchronization is active.

Parameters:

factory - the MongoDatabaseFactory to get the MongoDatabase from.

Returns:

the MongoDatabase that is potentially associated with a transactional ClientSession.

getDatabase

public static MongoDatabase getDatabase(MongoDatabaseFactory factory,
 SessionSynchronization sessionSynchronization)

Obtain the default database form the given factory.
Registers a MongoDB specific transaction synchronization within the current Thread if synchronization is active.

Parameters:

factory - the MongoDatabaseFactory to get the MongoDatabase from.

sessionSynchronization - the synchronization to use. Must not be null.

Returns:

the MongoDatabase that is potentially associated with a transactional ClientSession.

getDatabase

public static MongoDatabase getDatabase(@Nullable String dbName,
 MongoDatabaseFactory factory)

Obtain the database with given name form the given factory using native session synchronization.
Registers a MongoDB specific transaction synchronization within the current Thread if synchronization is active.

Parameters:

dbName - the name of the MongoDatabase to get.

factory - the MongoDatabaseFactory to get the MongoDatabase from.

Returns:

the MongoDatabase that is potentially associated with a transactional ClientSession.

getDatabase

public static MongoDatabase getDatabase(@Nullable String dbName,
 MongoDatabaseFactory factory,
 SessionSynchronization sessionSynchronization)

Obtain the database with given name form the given factory.
Registers a MongoDB specific transaction synchronization within the current Thread if synchronization is active.

Parameters:

dbName - the name of the MongoDatabase to get.

factory - the MongoDatabaseFactory to get the MongoDatabase from.

sessionSynchronization - the synchronization to use. Must not be null.

Returns:

the MongoDatabase that is potentially associated with a transactional ClientSession.

isTransactionActive

public static boolean isTransactionActive(MongoDatabaseFactory dbFactory)

Check if the MongoDatabaseFactory is actually bound to a ClientSession that has an active transaction, or if a TransactionSynchronization has been registered for the resource and if the associated ClientSession has an active transaction.

Parameters:

dbFactory - the resource to check transactions for. Must not be null.

Returns:

true if the factory has an ongoing transaction.

Since:

2.1.3