Class MongoDbClient

java.lang.Object

io.helidon.dbclient.DbClientBase

io.helidon.dbclient.mongodb.MongoDbClient

All Implemented Interfaces:

DbClient, AutoCloseable

public class MongoDbClient
extends DbClientBase
implements DbClient

MongoDB driver handler.

Nested Class Summary

Nested classes/interfaces inherited from interface DbClient

DbClient.Builder

Modifier and Type	Interface	Description
static final class	DbClient.Builder	Helidon database handler builder.

Field Summary

Fields inherited from interface DbClient

MAPPING_QUALIFIER

Modifier and Type	Field	Description
static final String	MAPPING_QUALIFIER	Qualifier used for mapping using Mappers.map(Object, Class, Class, String...).

Method Summary

Modifier and Type	Method	Description
String	dbType()	Type of this database provider (such as jdbc:mysql, mongoDB etc.).
DbExecute	execute()	Execute database statements.
DbTransaction	transaction()	Execute database statements in transaction.
<C> C	unwrap(Class<C> cls)	Unwrap database client internals.

Methods inherited from class DbClientBase

close, context

Modifier and Type	Method	Description
void	close()	Closes the DbClient and releases any associated resources.
DbClientContext	context()	Get the DbClientContext.

Methods inherited from class Object

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

Method Details

execute

public DbExecute execute()

Description copied from interface: DbClient

Execute database statements.

Specified by:

execute in interface DbClient

Returns:

database statements executor

transaction

public DbTransaction transaction()

Description copied from interface: DbClient

Execute database statements in transaction. DbTransaction life-cycle must always be finished with DbTransaction.commit() or DbTransaction.rollback(). Those two methods mentioned above will also release database resources allocated by this transaction.

Specified by:

transaction in interface DbClient

Returns:

transaction to execute database statements

dbType

public String dbType()

Description copied from interface: DbClient

Type of this database provider (such as jdbc:mysql, mongoDB etc.).

Specified by:

dbType in interface DbClient

Returns:

name of the database provider

unwrap

public <C> C unwrap(Class<C> cls)

Description copied from interface: DbClient

Unwrap database client internals. Only database connection is supported.

When java.sql.Connection is requested for JDBC provider, this connection must be closed by user code using close() method on returned Connection instance.

Specified by:

unwrap in interface DbClient

Type Parameters:

C - target class to be unwrapped

Parameters:

cls - target class to be unwrapped

Returns:

database client internals matching provided class.