Class TableLinkConnection

java.lang.Object

org.h2.table.TableLinkConnection

public class TableLinkConnection
extends Object

A connection for a linked table. The same connection may be used for multiple tables, that means a connection may be shared.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	autocommit
private Connection	conn	The database connection.
private final String	driver	The connection information.
private final HashMap<TableLinkConnection, TableLinkConnection>	map	The map where the link is kept.
private final String	password	The connection information.
private final String	url	The connection information.
private int	useCounter	How many times the connection is used.
private final String	user	The connection information.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	TableLinkConnection(HashMap<TableLinkConnection, TableLinkConnection> map, String driver, String url, String user, String password)

Method Summary

Modifier and Type	Method	Description
(package private) void	close(boolean force)	Closes the connection if this is the last link to it.
boolean	equals(Object o)
boolean	getAutocommit()	The autocommit mode
(package private) Connection	getConnection()	Get the connection.
int	hashCode()
private void	open()
static TableLinkConnection	open(HashMap<TableLinkConnection, TableLinkConnection> map, String driver, String url, String user, String password, boolean shareLinkedConnections)	Open a new connection.
void	setAutoCommit(boolean mode)	Specify if the autocommit mode is activated or not

Methods inherited from class Object

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

Field Details

map

private final HashMap<TableLinkConnection, TableLinkConnection> map

The map where the link is kept.

driver

private final String driver

The connection information.

url

private final String url

The connection information.

user

private final String user

The connection information.

password

private final String password

The connection information.

conn

private Connection conn

The database connection.

useCounter

private int useCounter

How many times the connection is used.

autocommit

private boolean autocommit

Constructor Details

TableLinkConnection

private TableLinkConnection(HashMap<TableLinkConnection, TableLinkConnection> map,
 String driver,
 String url,
 String user,
 String password)

Method Details

open

public static TableLinkConnection open(HashMap<TableLinkConnection, TableLinkConnection> map,
 String driver,
 String url,
 String user,
 String password,
 boolean shareLinkedConnections)

Open a new connection.

Parameters:

map - the map where the connection should be stored (if shared connections are enabled).

driver - the JDBC driver class name

url - the database URL

user - the user name

password - the password

shareLinkedConnections - if connections should be shared

Returns:

a connection

open

private void open()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

getConnection

Connection getConnection()

Get the connection. This method and methods on the statement must be synchronized on this object.

Returns:

the connection

close

void close(boolean force)

Closes the connection if this is the last link to it.

Parameters:

force - if the connection needs to be closed even if it is still used elsewhere (for example, because the connection is broken)

setAutoCommit

public void setAutoCommit(boolean mode)

Specify if the autocommit mode is activated or not

Parameters:

mode - to set

getAutocommit

public boolean getAutocommit()

The autocommit mode

Returns:

true if autocommit is on