org.springframework.data.cassandra.core.cql.session.init

Interface KeyspacePopulator

All Known Implementing Classes:

CompositeKeyspacePopulator, ResourceKeyspacePopulator

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 KeyspacePopulator

Strategy used to populate, initialize, or clean up a Cassandra keyspace.

Since:

3.0

Author:

Mark Paluch

See Also:

ResourceKeyspacePopulator, SessionFactoryInitializer

Method Summary

Modifier and Type	Method and Description
void	populate(com.datastax.oss.driver.api.core.CqlSession session) Populate, initialize, or clean up the database using the provided CqlSession connection.

Method Detail

populate

void populate(com.datastax.oss.driver.api.core.CqlSession session)
       throws ScriptException

Populate, initialize, or clean up the database using the provided CqlSession connection.

Concrete implementations may throw a RuntimeException if an error is encountered but are strongly encouraged to throw a specific ScriptException instead. For example, Spring's ResourceKeyspacePopulator wrap all exceptions in ScriptExceptions.

Parameters:

session - the CQL CqlSession to use to populate the keyspace; already configured and ready to use; never null

Throws:

ScriptException - in all other error cases