atoti_jdbc.JdbcPingDiscoveryProtocol

final class atoti_jdbc.JdbcPingDiscoveryProtocol

Discovery protocol relying on a JDBC connection.

The set of nodes is stored in a database table, allowing each node to join the cluster without having to know any other node.

delete_single_sql: str | None = None

driver: Annotated[str | None, AfterValidator(_validate_driver)] = None

The Java class name of the driver to use.

This defines Hibernate’s DRIVER option.

Inferred from url if None.

initialize_sql: str | None = None

insert_single_sql: str | None = None

password: str

remove_all_data_on_view_change: bool = True

“Defined by the FILE_PING protocol.

See http://jgroups.org/manual4/index.html#_removal_of_zombie_files.

remove_old_coords_on_view_change: bool = True

“Defined by the FILE_PING protocol.

See http://jgroups.org/manual4/index.html#_removal_of_zombie_files.

select_all_pingdata_sql: str | None = None

update_store_on_view_change: bool | None = None

Defined by the FILE_PING protocol.

When True, the coordinator updates the backend store (JDBC table) on every view change, including when members leave or crash. If False, the table is only updated on joins. Enabling this ensures stale entries from crashed nodes (zombies) are removed.

See http://jgroups.org/manual4/index.html#_jdbc_ping.

url: Annotated[str, AfterValidator(normalize_jdbc_url)]

The JDBC connection string of the database.

The "jdbc" scheme is optional but the database specific scheme (such as "h2") is mandatory. For instance:

• "h2:/home/user/database/file/path;USER=username;PASSWORD=passwd"

• "postgresql://postgresql.db.server:5430/example?user=username&password=passwd"

More examples can be found here.

This defines Hibernate’s URL option.

username: str

write_data_on_find: bool = True

“Defined by the FILE_PING protocol.

See http://jgroups.org/manual4/index.html#_removal_of_zombie_files.