org.geotools.data.hsql
Class HsqlConnection

java.lang.Object
  org.geotools.data.hsql.HsqlConnection

All Implemented Interfaces:

javax.sql.DataSource

public class HsqlConnection

extends java.lang.Object

implements javax.sql.DataSource

Shell for JDBC transactions of all types. This provides a base class to the database transactional classes.

Author:

Amr Alam, Refractions Research

Constructor Summary

HsqlConnection(java.lang.String host, java.lang.String port, java.lang.String dbName)
Constructor with all internal database driver classes, driver paths and database types.

Method Summary

java.sql.Connection	getConnection() Retrieves a connection to the Mysql database, using the current user and password;
java.sql.Connection	getConnection(java.lang.String user, java.lang.String password) Retrieves a connection to the Mysql database, specifying a user and password.
java.lang.String	getLoginPassword() An accessor function to get the password to log in to the db.
int	getLoginTimeout() An accessor function to get the length of timeout.
java.lang.String	getLoginUser() An accessor function to get the user to log in to the db.
java.io.PrintWriter	getLogWriter() An accessor function to get the log writer.
void	setLogin(java.lang.String user, java.lang.String password) Sets the user and password strings of the login to be used when connecting to the Mysql database.
void	setLoginTimeout(int seconds) A setter function to get the length of timeout.
void	setLogWriter(java.io.PrintWriter out) An setter method to set the log writer.

Methods inherited from class java.lang.Object

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

Constructor Detail

HsqlConnection

public HsqlConnection(java.lang.String host,
                      java.lang.String port,
                      java.lang.String dbName)

Constructor with all internal database driver classes, driver paths and database types.

Parameters:

host - The driver class; should be passed from the database-specific subclass.

port - The driver path; should be passed from the database-specific subclass.

dbName - The database type; should be passed from the database-specific subclass.

Method Detail

setLogin

public void setLogin(java.lang.String user,
                     java.lang.String password)

Sets the user and password strings of the login to be used when connecting to the Mysql database.

Parameters:

user - The string of the user to connect to the database with.

password - The string of the password of user.

getLoginUser

public java.lang.String getLoginUser()

An accessor function to get the user to log in to the db.

Returns:

the user.

getLoginPassword

public java.lang.String getLoginPassword()

An accessor function to get the password to log in to the db.

Returns:

a string of the password.

getConnection

public java.sql.Connection getConnection()
                                  throws java.sql.SQLException

Retrieves a connection to the Mysql database, using the current user and password;

Specified by:

getConnection in interface javax.sql.DataSource

Returns:

An open SQL connection with the database.

Throws:

java.sql.SQLException - if there are any database problems.

getConnection

public java.sql.Connection getConnection(java.lang.String user,
                                         java.lang.String password)
                                  throws java.sql.SQLException

Retrieves a connection to the Mysql database, specifying a user and password.

Specified by:

getConnection in interface javax.sql.DataSource

Parameters:

user - The string of the user to connect to the database with.

password - The string of the corresponding password of user.

Returns:

An open SQL connection with the database.

Throws:

java.sql.SQLException - if there are any database problems.

getLoginTimeout

public int getLoginTimeout()

An accessor function to get the length of timeout.

Specified by:

getLoginTimeout in interface javax.sql.DataSource

Returns:

the time out.

Task:

TODO: implement this.

setLoginTimeout

public void setLoginTimeout(int seconds)

A setter function to get the length of timeout.

Specified by:

setLoginTimeout in interface javax.sql.DataSource

Parameters:

seconds - the length of the time out.

Task:

TODO: implement this.

getLogWriter

public java.io.PrintWriter getLogWriter()

An accessor function to get the log writer.

Specified by:

getLogWriter in interface javax.sql.DataSource

Returns:

a writer

Task:

TODO: implement this.

setLogWriter

public void setLogWriter(java.io.PrintWriter out)

An setter method to set the log writer.

Specified by:

setLogWriter in interface javax.sql.DataSource

Parameters:

out - the writer to use for logging.

Task:

TODO: implement this.