play.db
类 DBConfig

java.lang.Object
  play.db.DBConfig

public class DBConfig
extends java.lang.Object

嵌套类摘要

static class	DBConfig.PlayConnectionCustomizer
static class	DBConfig.ProxyDriver Needed because DriverManager will not load a driver ouside of the system classloader

字段摘要

static java.lang.String

defaultDbConfigName This is the name of the default db- and jpa-config name

构造方法摘要

protected

DBConfig(java.lang.String dbConfigName)

方法摘要

void	close() Close the connection opened for the current thread.
protected boolean	configure() Detects changes and reconfigures this dbConfig.
void	destroy() Tries to destroy the datasource
boolean	execute(java.lang.String SQL) Execute an SQL update
java.sql.ResultSet	executeQuery(java.lang.String SQL) Execute an SQL query
protected java.lang.String	getConfigInfoString() returns empty string if default config.
java.sql.Connection	getConnection() Open a connection for the current thread.
javax.sql.DataSource	getDatasource()
java.lang.String	getDBConfigName()
protected java.lang.String	getStatus()
java.lang.String	getUrl()

从类 java.lang.Object 继承的方法

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

字段详细信息

defaultDbConfigName

public static final java.lang.String defaultDbConfigName

This is the name of the default db- and jpa-config name

另请参见：

常量字段值

构造方法详细信息

DBConfig

protected DBConfig(java.lang.String dbConfigName)

方法详细信息

getDBConfigName

public java.lang.String getDBConfigName()

close

public void close()

Close the connection opened for the current thread.

getConnection

public java.sql.Connection getConnection()

Open a connection for the current thread.

返回：

A valid SQL connection

execute

public boolean execute(java.lang.String SQL)

Execute an SQL update

参数：

SQL -

返回：

false if update failed

executeQuery

public java.sql.ResultSet executeQuery(java.lang.String SQL)

Execute an SQL query

参数：

SQL -

返回：

The query resultSet

destroy

public void destroy()

Tries to destroy the datasource

configure

protected boolean configure()

Detects changes and reconfigures this dbConfig. Returns true if the database was configured (Config info present. An exception is throwns if the config process fails.

getConfigInfoString

protected java.lang.String getConfigInfoString()

returns empty string if default config. returns descriptive string about config name if not default config

getStatus

protected java.lang.String getStatus()

getDatasource

public javax.sql.DataSource getDatasource()

getUrl

public java.lang.String getUrl()