Package dev.array21.jdbd.drivers

Class PostgreSqlDriver

java.lang.Object

dev.array21.jdbd.drivers.PostgreSqlDriver

All Implemented Interfaces:

DatabaseDriver

public class PostgreSqlDriver
extends Object
implements DatabaseDriver

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PostgreSqlDriver(String host, String username, String password, String database)	Create a new PostgreSQL

Method Summary

Modifier and Type	Method	Description
void	execute(PreparedStatement statement)
boolean	isLoaded()	Check if the driver is loaded.
void	loadDriver()	Load the native driver
SqlRow[]	query(PreparedStatement statement)
void	unload()

Methods inherited from class java.lang.Object

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

Constructor Details

PostgreSqlDriver

protected PostgreSqlDriver(String host,
 String username,
 String password,
 String database)

Create a new PostgreSQL

Thread Safety

It is up to the implementer to guarantee that this method is NOT called from two threads simultaneously, this can result in Undefined Behaviour

Parameters:

host - The PostgreSQL host

username - The PostgreSQL username

password - The PostgreSQL password

database - The PostgreSQL database

Method Details

loadDriver

public void loadDriver()
                throws IOException

Load the native driver

Throws:

IOException - When saving the native library failed

UnsatisfiedLinkError - When loading the native library failed

UnsupportedOperatingSystemException - When the current operating system is unsupported

RuntimeException - When initializeNative() returns an error

isLoaded

public boolean isLoaded()

Check if the driver is loaded. When:

• The library is loaded
• The driver has been initialized

Returns:

True if it is loaded, false otherwhise

query

public SqlRow[] query(PreparedStatement statement)
               throws SqlException

Specified by:

query in interface DatabaseDriver

Throws:

SqlException

execute

public void execute(PreparedStatement statement)
             throws SqlException

Specified by:

execute in interface DatabaseDriver

Throws:

SqlException

unload

public void unload()

Specified by:

unload in interface DatabaseDriver