org.datanucleus.store.mongodb

Class ConnectionFactoryImpl

java.lang.Object

org.datanucleus.store.connection.AbstractConnectionFactory

org.datanucleus.store.mongodb.ConnectionFactoryImpl

All Implemented Interfaces:

org.datanucleus.store.connection.ConnectionFactory

public class ConnectionFactoryImpl
extends org.datanucleus.store.connection.AbstractConnectionFactory

Implementation of a ConnectionFactory for MongoDB. Accepts a URL of the form

mongodb:[{server1}][/{dbName}][,{server2}[,{server3}]]

Defaults to a server of "localhost" if nothing specified. Defaults to a DB name of "DataNucleus" if nothing specified. Has a DB object per PM/EM. TODO Allow the option of having DB per PMF/EMF.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ConnectionFactoryImpl.ManagedConnectionImpl

Field Summary

Fields

Modifier and Type	Field and Description
static String	MONGODB_CONNECTIONS_PER_HOST
static String	MONGODB_THREAD_BLOCK_FOR_MULTIPLIER

Fields inherited from class org.datanucleus.store.connection.AbstractConnectionFactory

RESOURCE_NAME_NONTX, RESOURCE_NAME_TX, resourceName, resourceType, storeMgr

Fields inherited from interface org.datanucleus.store.connection.ConnectionFactory

DATANUCLEUS_CONNECTION_RESOURCE_TYPE, DATANUCLEUS_CONNECTION2_RESOURCE_TYPE

Constructor Summary

Constructors

Constructor and Description
ConnectionFactoryImpl(org.datanucleus.store.StoreManager storeMgr, String resourceType) Constructor.

Method Summary

Modifier and Type	Method and Description
void	close()
org.datanucleus.store.connection.ManagedConnection	createManagedConnection(org.datanucleus.ExecutionContext ec, Map options) Obtain a connection from the Factory.

Methods inherited from class org.datanucleus.store.connection.AbstractConnectionFactory

getConnection, getResourceName, getResourceType, toString

Methods inherited from class java.lang.Object

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

Field Detail

MONGODB_CONNECTIONS_PER_HOST

public static final String MONGODB_CONNECTIONS_PER_HOST

See Also:

Constant Field Values

MONGODB_THREAD_BLOCK_FOR_MULTIPLIER

public static final String MONGODB_THREAD_BLOCK_FOR_MULTIPLIER

See Also:

Constant Field Values

Constructor Detail

ConnectionFactoryImpl

public ConnectionFactoryImpl(org.datanucleus.store.StoreManager storeMgr,
                             String resourceType)

Constructor.

Parameters:

storeMgr - Store Manager

resourceType - Type of resource (tx, nontx)

Method Detail

close

public void close()

Specified by:

close in interface org.datanucleus.store.connection.ConnectionFactory

Overrides:

close in class org.datanucleus.store.connection.AbstractConnectionFactory

createManagedConnection

public org.datanucleus.store.connection.ManagedConnection createManagedConnection(org.datanucleus.ExecutionContext ec,
                                                                                  Map options)

Obtain a connection from the Factory. The connection will be enlisted within the transaction associated to the ExecutionContext

Parameters:

ec - the pool that is bound the connection during its lifecycle (or null)

options - Options for creating the connection

Returns:

the ManagedConnection