io.ballerina.messaging.broker.common

Class BaseDao

java.lang.Object

io.ballerina.messaging.broker.common.BaseDao

public abstract class BaseDao
extends Object

Defines common base functionality required at persistence layer.

Field Summary

Fields

Modifier and Type	Field and Description
static Object	DUMMY_RETURN_OBJECT

Constructor Summary

Constructors

Constructor and Description
BaseDao(DataSource dataSource)

Method Summary

Modifier and Type	Method and Description
protected void	close(Connection connection)
protected void	close(Connection connection, Statement statement)
void	close(Connection connection, Statement statement, ResultSet resultSet)
protected void	close(ResultSet resultSet)
protected void	close(Statement statement)
protected Connection	getConnection()
protected String	getSQLFormattedIdList(int listLength)
protected void	rollback(Connection connection, String message)
<R,E extends Exception> R	selectAndGetOperation(ThrowingFunction<Connection,R,E> command)
<E extends Exception> void	selectOperation(ThrowingConsumer<Connection,E> command)
<E extends Exception> void	transaction(ThrowingConsumer<Connection,E> command)
<R,E extends Exception> R	transaction(ThrowingFunction<Connection,R,E> command)

Methods inherited from class java.lang.Object

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

Field Detail

DUMMY_RETURN_OBJECT

public static final Object DUMMY_RETURN_OBJECT

Constructor Detail

BaseDao

public BaseDao(DataSource dataSource)

Method Detail

getConnection

protected Connection getConnection()
                            throws SQLException

Throws:

SQLException

close

protected void close(Connection connection)

close

protected void close(Connection connection,
                     Statement statement)

close

public void close(Connection connection,
                  Statement statement,
                  ResultSet resultSet)

close

protected void close(Statement statement)

close

protected void close(ResultSet resultSet)

getSQLFormattedIdList

protected String getSQLFormattedIdList(int listLength)

rollback

protected void rollback(Connection connection,
                        String message)

transaction

public <E extends Exception> void transaction(ThrowingConsumer<Connection,E> command)
                                       throws DaoException

Throws:

DaoException

transaction

public <R,E extends Exception> R transaction(ThrowingFunction<Connection,R,E> command)
                                      throws DaoException

Throws:

DaoException

selectAndGetOperation

public <R,E extends Exception> R selectAndGetOperation(ThrowingFunction<Connection,R,E> command)
                                                throws DaoException

Throws:

DaoException

selectOperation

public <E extends Exception> void selectOperation(ThrowingConsumer<Connection,E> command)
                                           throws DaoException

Throws:

DaoException