Interface XADataSource

All Superinterfaces:
CommonDataSource
public interface XADataSource extends CommonDataSource
A factory for XAConnection objects that is used internally. An object that implements the XADataSource interface is typically registered with a naming service that uses the Java Naming and Directory Interface (JNDI).

An implementation of XADataSource must include a public no-arg constructor.

Since:
1.4

Method Summary

Modifier and Type Method Description
default XAConnectionBuilder createXAConnectionBuilder()
Creates a new XAConnectionBuilder instance
int getLoginTimeout()
Gets the maximum time in seconds that this data source can wait while attempting to connect to a database.
PrintWriter getLogWriter()
Retrieves the log writer for this DataSource object.
XAConnection getXAConnection()
Attempts to establish a physical database connection that can be used in a distributed transaction.
XAConnection getXAConnection(String user, String password)
Attempts to establish a physical database connection, using the given user name and password.
void setLoginTimeout(int seconds)
Sets the maximum time in seconds that this data source will wait while attempting to connect to a database.
void setLogWriter(PrintWriter out)
Sets the log writer for this DataSource object to the given java.io.PrintWriter object.

Methods declared in interface javax.sql.CommonDataSource

createShardingKeyBuilder, getParentLogger

Method Details

getXAConnection

XAConnection getXAConnection() throws SQLException
Attempts to establish a physical database connection that can be used in a distributed transaction.
Returns:
an XAConnection object, which represents a physical connection to a data source, that can be used in a distributed transaction
Throws:
SQLException - if a database access error occurs
SQLFeatureNotSupportedException - if the JDBC driver does not support this method
SQLTimeoutException - when the driver has determined that the timeout value specified by the setLoginTimeout method has been exceeded and has at least tried to cancel the current database connection attempt
Since:
1.4

getXAConnection

XAConnection getXAConnection(String user, String password) throws SQLException
Attempts to establish a physical database connection, using the given user name and password. The connection that is returned is one that can be used in a distributed transaction.
Parameters:
user - the database user on whose behalf the connection is being made
password - the user's password
Returns:
an XAConnection object, which represents a physical connection to a data source, that can be used in a distributed transaction
Throws:
SQLException - if a database access error occurs
SQLFeatureNotSupportedException - if the JDBC driver does not support this method
SQLTimeoutException - when the driver has determined that the timeout value specified by the setLoginTimeout method has been exceeded and has at least tried to cancel the current database connection attempt
Since:
1.4

getLogWriter

PrintWriter getLogWriter() throws SQLException

Retrieves the log writer for this DataSource object.

The log writer is a character output stream to which all logging and tracing messages for this data source will be printed. This includes messages printed by the methods of this object, messages printed by methods of other objects manufactured by this object, and so on. Messages printed to a data source specific log writer are not printed to the log writer associated with the java.sql.DriverManager class. When a DataSource object is created, the log writer is initially null; in other words, the default is for logging to be disabled.

Specified by:
getLogWriter in interface CommonDataSource
Returns:
the log writer for this data source or null if logging is disabled
Throws:
SQLException - if a database access error occurs
Since:
1.4
See Also:

setLogWriter

void setLogWriter(PrintWriter out) throws SQLException

Sets the log writer for this DataSource object to the given java.io.PrintWriter object.

The log writer is a character output stream to which all logging and tracing messages for this data source will be printed. This includes messages printed by the methods of this object, messages printed by methods of other objects manufactured by this object, and so on. Messages printed to a data source- specific log writer are not printed to the log writer associated with the java.sql.DriverManager class. When a DataSource object is created the log writer is initially null; in other words, the default is for logging to be disabled.

Specified by:
setLogWriter in interface CommonDataSource
Parameters:
out - the new log writer; to disable logging, set to null
Throws:
SQLException - if a database access error occurs
Since:
1.4
See Also:

setLoginTimeout

void setLoginTimeout(int seconds) throws SQLException

Sets the maximum time in seconds that this data source will wait while attempting to connect to a database. A value of zero specifies that the timeout is the default system timeout if there is one; otherwise, it specifies that there is no timeout. When a DataSource object is created, the login timeout is initially zero.

Specified by:
setLoginTimeout in interface CommonDataSource
Parameters:
seconds - the data source login time limit
Throws:
SQLException - if a database access error occurs.
Since:
1.4
See Also:

getLoginTimeout

int getLoginTimeout() throws SQLException
Gets the maximum time in seconds that this data source can wait while attempting to connect to a database. A value of zero means that the timeout is the default system timeout if there is one; otherwise, it means that there is no timeout. When a DataSource object is created, the login timeout is initially zero.
Specified by:
getLoginTimeout in interface CommonDataSource
Returns:
the data source login time limit
Throws:
SQLException - if a database access error occurs.
Since:
1.4
See Also:

createXAConnectionBuilder

default XAConnectionBuilder createXAConnectionBuilder() throws SQLException
Creates a new XAConnectionBuilder instance
Implementation Requirements:
The default implementation will throw a SQLFeatureNotSupportedException.
Returns:
The XAConnectionBuilder instance that was created
Throws:
SQLException - if an error occurs creating the builder
SQLFeatureNotSupportedException - if the driver does not support sharding
Since:
9
See Also:

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https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/XADataSource.html