org.apache.knox.gateway.shell.jdbc.derby

Class DerbyDatabase

java.lang.Object

org.apache.knox.gateway.shell.jdbc.derby.DerbyDatabase

All Implemented Interfaces:

Database

public class DerbyDatabase
extends Object
implements Database

Field Summary

Fields

Modifier and Type	Field and Description
static String	EMBEDDED_DRIVER
static String	NETWORK_SERVER_DRIVER
static String	PROTOCOL

Constructor Summary

Constructors

Constructor and Description
DerbyDatabase(String directory) Constructor
DerbyDatabase(String directory, boolean networkServer)

Method Summary

Modifier and Type	Method and Description
void	create() Creates this database
Connection	getConnection() Retrieves a connection to this database
boolean	hasTable(String tableName) Checks whether the specified table is created within this database (does not check schema)
boolean	hasTable(String schemaName, String tableName) Checks whether the specified table is created within this database
void	shutdown() Shuts down this database

Methods inherited from class java.lang.Object

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

Field Detail

EMBEDDED_DRIVER

public static final String EMBEDDED_DRIVER

See Also:

Constant Field Values

NETWORK_SERVER_DRIVER

public static final String NETWORK_SERVER_DRIVER

See Also:

Constant Field Values

PROTOCOL

public static final String PROTOCOL

See Also:

Constant Field Values

Constructor Detail

DerbyDatabase

public DerbyDatabase(String directory)
              throws DerbyDatabaseException

Constructor

Parameters:

directory - the directory where the database should be placed

Throws:

DerbyDatabaseException - if the database engine can not be load for some reasons

DerbyDatabase

public DerbyDatabase(String directory,
                     boolean networkServer)
              throws DerbyDatabaseException

Throws:

DerbyDatabaseException

Method Detail

create

public void create()
            throws SQLException

Description copied from interface: Database

Creates this database

Specified by:

create in interface Database

Throws:

SQLException - if any errors occur

shutdown

public void shutdown()

Description copied from interface: Database

Shuts down this database

Specified by:

shutdown in interface Database

getConnection

public Connection getConnection()
                         throws SQLException

Description copied from interface: Database

Retrieves a connection to this database

Specified by:

getConnection in interface Database

Returns:

an SQL connection to this database

Throws:

SQLException - if any errors occur

hasTable

public boolean hasTable(String tableName)
                 throws SQLException

Description copied from interface: Database

Checks whether the specified table is created within this database (does not check schema)

Specified by:

hasTable in interface Database

Parameters:

tableName - the name of the table to check

Returns:

true if the table exists; false otherwise

Throws:

SQLException - if any I/O errors occur

hasTable

public boolean hasTable(String schemaName,
                        String tableName)
                 throws SQLException

Description copied from interface: Database

Checks whether the specified table is created within this database

Specified by:

hasTable in interface Database

Parameters:

schemaName - the database schema name

tableName - the name of the table to check

Returns:

true if the table exists; false otherwise

Throws:

SQLException - if any I/O errors occur