org.batoo.jpa.jdbc

Class DataSourceProxy

java.lang.Object

org.batoo.jpa.jdbc.DataSourceProxy

All Implemented Interfaces:

Wrapper, CommonDataSource, DataSource

public class DataSourceProxy
extends Object
implements DataSource

Proxy class to proxy datasources. Main purpose is to cache and wrap the prepared statements.

Since:

2.0.0

Author:

hceylan

Constructor Summary

Constructors

Constructor and Description
DataSourceProxy(AbstractDataSource datasource, boolean external, PreparedStatementProxy.SqlLoggingType sqlLogging, long slowSqlThreshold, int jdbcFetchSize)
DataSourceProxy(DataSource datasource, boolean external, PreparedStatementProxy.SqlLoggingType sqlLogging, long slowSqlThreshold, int jdbcFetchSize)

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes the resource local datasource.
Connection	getConnection()
Connection	getConnection(String username, String password)
DataSource	getDelegate() Returns the delegate datasource.
int	getLoginTimeout()
PrintWriter	getLogWriter()
Logger	getParentLogger()
boolean	isWrapperFor(Class<?> iface)
void	setLoginTimeout(int seconds)
void	setLogWriter(PrintWriter out)
<T> T	unwrap(Class<T> iface)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSourceProxy

public DataSourceProxy(AbstractDataSource datasource,
               boolean external,
               PreparedStatementProxy.SqlLoggingType sqlLogging,
               long slowSqlThreshold,
               int jdbcFetchSize)

Parameters:

datasource - the custom datasource

external - if the original datasource is external

slowSqlThreshold - the time to decide if SQL is deemed as slow

sqlLogging - the sql logging type

jdbcFetchSize - the size of the jdbc fetch

Since:

2.0.0

DataSourceProxy

public DataSourceProxy(DataSource datasource,
               boolean external,
               PreparedStatementProxy.SqlLoggingType sqlLogging,
               long slowSqlThreshold,
               int jdbcFetchSize)

Parameters:

datasource - the original datasource

external - if the original datasource is external

slowSqlThreshold - the time to decide if SQL is deemed as slow

sqlLogging - the sql logging type

jdbcFetchSize - the size of the jdbc fetch

Since:

2.0.0

Method Detail

close

public void close()

Closes the resource local datasource.

getConnection

public Connection getConnection()
                         throws SQLException

Specified by:

getConnection in interface DataSource

Throws:

SQLException

getConnection

public Connection getConnection(String username,
                       String password)
                         throws SQLException

Specified by:

getConnection in interface DataSource

Throws:

SQLException

getDelegate

public DataSource getDelegate()

Returns the delegate datasource.

Returns:

the delegate datasource

Since:

2.0.0

getLoginTimeout

public int getLoginTimeout()
                    throws SQLException

Specified by:

getLoginTimeout in interface CommonDataSource

Throws:

SQLException

getLogWriter

public PrintWriter getLogWriter()
                         throws SQLException

Specified by:

getLogWriter in interface CommonDataSource

Throws:

SQLException

getParentLogger

public Logger getParentLogger()
                       throws SQLFeatureNotSupportedException

Specified by:

getParentLogger in interface CommonDataSource

Throws:

SQLFeatureNotSupportedException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)
                     throws SQLException

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException

setLoginTimeout

public void setLoginTimeout(int seconds)
                     throws SQLException

Specified by:

setLoginTimeout in interface CommonDataSource

Throws:

SQLException

setLogWriter

public void setLogWriter(PrintWriter out)
                  throws SQLException

Specified by:

setLogWriter in interface CommonDataSource

Throws:

SQLException

unwrap

public <T> T unwrap(Class<T> iface)
         throws SQLException

Specified by:

unwrap in interface Wrapper

Throws:

SQLException