org.apache.knox.gateway.shell.jdbc

Interface Database

All Known Implementing Classes:

DerbyDatabase

public interface Database

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

Method Detail

create

void create()
     throws SQLException

Creates this database

Throws:

SQLException - if any errors occur

shutdown

void shutdown()
       throws SQLException

Shuts down this database

Throws:

SQLException - if any errors occur

getConnection

Connection getConnection()
                  throws SQLException

Retrieves a connection to this database

Returns:

an SQL connection to this database

Throws:

SQLException - if any errors occur

hasTable

boolean hasTable(String tableName)
          throws SQLException

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

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

boolean hasTable(String schemaName,
                 String tableName)
          throws SQLException

Checks whether the specified table is created within this 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