CommonDataSource

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public interface CommonDataSource
Known Indirect Subclasses

Interface that defines the methods which are common between DataSource, XADataSource and ConnectionPoolDataSource.

Public Method Summary

abstract PrintWriter
getLogWriter()

Retrieves the log writer for this DataSource object.

abstract int
getLoginTimeout()
Gets the maximum time in seconds that this data source can wait while attempting to connect to a database.
abstract Logger
getParentLogger()
Return the parent Logger of all the Loggers used by this data source.
abstract void
setLogWriter(PrintWriter out)

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

abstract void
setLoginTimeout(int seconds)

Sets the maximum time in seconds that this data source will wait while attempting to connect to a database.

Public Methods

public abstract PrintWriter getLogWriter ()

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.

Returns
  • the log writer for this data source or null if logging is disabled
Throws
SQLException if a database access error occurs

public abstract int getLoginTimeout ()

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.

Returns
  • the data source login time limit
Throws
SQLException if a database access error occurs.

public abstract Logger getParentLogger ()

Return the parent Logger of all the Loggers used by this data source. This should be the Logger farthest from the root Logger that is still an ancestor of all of the Loggers used by this data source. Configuring this Logger will affect all of the log messages generated by the data source. In the worst case, this may be the root Logger.

Returns
  • the parent Logger for this data source
Throws
SQLFeatureNotSupportedException if the data source does not use java.util.logging.

public abstract void setLogWriter (PrintWriter out)

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.

Parameters
out the new log writer; to disable logging, set to null
Throws
SQLException if a database access error occurs
See Also

public abstract void setLoginTimeout (int seconds)

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.

Parameters
seconds the data source login time limit
Throws
SQLException if a database access error occurs.