org.apache.cayenne.dbsync.reverse.dbload

Class DbLoader

java.lang.Object

org.apache.cayenne.dbsync.reverse.dbload.DbLoader

public class DbLoader
extends Object

Loads DB schema into a DataMap, creating DbEntities and Procedures. Consists of a list of specialized loaders that iteratively load parts of metadata, such as Entity names, Attributes, Relationships, etc.

Since:

4.0

See Also:

and its descendants

Constructor Summary

Constructors

Constructor and Description
DbLoader(DbAdapter adapter, Connection connection, DbLoaderConfiguration config, DbLoaderDelegate delegate, ObjectNameGenerator nameGenerator)

Method Summary

Modifier and Type	Method and Description
DataMap	load()
static List<String>	loadCatalogs(Connection connection) Retrieves catalogs for a given connection.
static List<String>	loadSchemas(Connection connection) Retrieves the schemas for the given connection.

Methods inherited from class java.lang.Object

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

Constructor Detail

DbLoader

public DbLoader(DbAdapter adapter,
                Connection connection,
                DbLoaderConfiguration config,
                DbLoaderDelegate delegate,
                ObjectNameGenerator nameGenerator)

Method Detail

load

public DataMap load()
             throws SQLException

Returns:

new DataMap with data loaded from DB

Throws:

SQLException

loadCatalogs

public static List<String> loadCatalogs(Connection connection)
                                 throws SQLException

Retrieves catalogs for a given connection. using a static method for catalog loading as we don't need a full DbLoader for this operation

Returns:

List with the catalog names; empty list if none found.

Throws:

SQLException

loadSchemas

public static List<String> loadSchemas(Connection connection)
                                throws SQLException

Retrieves the schemas for the given connection. using a static method for catalog loading as we don't need a full DbLoader for this operation

Returns:

List with the schema names; empty list if none found.

Throws:

SQLException