cn.hutool.db.ds.pooled

Class PooledDataSource

java.lang.Object

cn.hutool.db.ds.simple.AbstractDataSource

cn.hutool.db.ds.pooled.PooledDataSource

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable, Wrapper, CommonDataSource, DataSource

public class PooledDataSource
extends AbstractDataSource

池化数据源

Author:

Looly

Constructor Summary

Constructors

Constructor and Description
PooledDataSource() 构造，读取默认的配置文件和默认分组
PooledDataSource(DbConfig config) 构造
PooledDataSource(DbSetting setting, String group) 构造
PooledDataSource(String group) 构造，读取默认的配置文件

Method Summary

Modifier and Type	Method and Description
void	close()
protected void	finalize()
protected boolean	free(PooledConnection conn) 释放连接，连接会被返回给连接池
DbConfig	getConfig()
Connection	getConnection() 从数据库连接池中获取数据库连接对象
PooledConnection	getConnection(long wait) 获取连接对象
Connection	getConnection(String username, String password)
static PooledDataSource	getDataSource() 获得一个数据源，使用空分组
static PooledDataSource	getDataSource(String group) 获得一个数据源
PooledConnection	newConnection() 创建新连接

Methods inherited from class cn.hutool.db.ds.simple.AbstractDataSource

getLoginTimeout, getLogWriter, getParentLogger, isWrapperFor, setLoginTimeout, setLogWriter, unwrap

Methods inherited from class java.lang.Object

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

Constructor Detail

PooledDataSource

public PooledDataSource()

构造，读取默认的配置文件和默认分组

PooledDataSource

public PooledDataSource(String group)

构造，读取默认的配置文件

Parameters:

group - 分组

PooledDataSource

public PooledDataSource(DbSetting setting,
                        String group)

构造

Parameters:

setting - 数据库配置文件对象

group - 分组

PooledDataSource

public PooledDataSource(DbConfig config)

构造

Parameters:

config - 数据库配置

Method Detail

getDataSource

public static PooledDataSource getDataSource(String group)

获得一个数据源

Parameters:

group - 数据源分组

Returns:

PooledDataSource

getDataSource

public static PooledDataSource getDataSource()

获得一个数据源，使用空分组

Returns:

PooledDataSource

getConnection

public Connection getConnection()
                         throws SQLException

从数据库连接池中获取数据库连接对象

Throws:

SQLException

getConnection

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

Throws:

SQLException

free

protected boolean free(PooledConnection conn)

释放连接，连接会被返回给连接池

Parameters:

conn - 连接

Returns:

释放成功与否

newConnection

public PooledConnection newConnection()
                               throws SQLException

创建新连接

Returns:

新连接

Throws:

SQLException - SQL异常

getConfig

public DbConfig getConfig()

getConnection

public PooledConnection getConnection(long wait)
                               throws SQLException

获取连接对象

Parameters:

wait - 当池中无连接等待的毫秒数

Returns:

连接对象

Throws:

SQLException - SQL异常

close

public void close()

finalize

protected void finalize()

Overrides:

finalize in class Object