Package org.springframework.r2dbc.connection.init

Interface DatabasePopulator

All Known Implementing Classes:

CompositeDatabasePopulator, ResourceDatabasePopulator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DatabasePopulator

Strategy used to populate, initialize, or clean up a database.

Since:

5.3

Author:

Mark Paluch, Keith Donald, Sam Brannen

See Also:

• ResourceDatabasePopulator
• ConnectionFactoryInitializer

Method Summary

Modifier and Type	Method	Description
reactor.core.publisher.Mono<Void>	populate(Connection connection)	Populate, initialize, or clean up the database using the provided R2DBC Connection.
default reactor.core.publisher.Mono<Void>	populate(ConnectionFactory connectionFactory)	Execute the given DatabasePopulator against the given ConnectionFactory.

Method Details

populate

reactor.core.publisher.Mono<Void> populate(Connection connection)
                                    throws ScriptException

Populate, initialize, or clean up the database using the provided R2DBC Connection.

Parameters:

connection - the R2DBC connection to use to populate the db; already configured and ready to use, must not be null

Returns:

Mono that initiates script execution and is notified upon completion

Throws:

ScriptException - in all other error cases

populate

default reactor.core.publisher.Mono<Void> populate(ConnectionFactory connectionFactory)
                                            throws DataAccessException

Execute the given DatabasePopulator against the given ConnectionFactory.

Parameters:

connectionFactory - the ConnectionFactory to execute against

Returns:

Mono that initiates populate(Connection) and is notified upon completion

Throws:

DataAccessException