org.beetl.sql.core.db

类 KeyHolder

java.lang.Object

org.beetl.sql.core.db.KeyHolder

public class KeyHolder
extends Object

数据库在插入的时候，因为自增或者序列或者其他机制，自动生成数据，如下假设foo字段是触发器生成字段，插入后需要取回

     KeyHolder holder = new KeyHolder(foo”)
     sqlManager.insert(sqlId,paras,holder);
     Long seq = holder.getLong("foo");

 

字段概要

字段

限定符和类型	字段和说明
static KeyHolder	empty

构造器概要

构造器

限定符	构造器和说明
protected	KeyHolder()
	KeyHolder(String attrName)
	KeyHolder(String[] attrNames)

方法概要

限定符和类型	方法和说明
String[]	getAttrNames()
int	getInt(String attrName)
static KeyHolder	getKeyHolderByClass(Object obj) 从class定义中获取数据库返回的值
Long	getLong(String attrName)
Object	getObject(String attrName)
String	getString(String attrName)
Object[]	getValues()
boolean	hasAttr() 是否有自增主健
void	setValues(Object[] values)

从类继承的方法 java.lang.Object

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

字段详细资料

empty

public static KeyHolder empty

构造器详细资料

KeyHolder

protected KeyHolder()

KeyHolder

public KeyHolder(String[] attrNames)

KeyHolder

public KeyHolder(String attrName)

方法详细资料

getInt

public int getInt(String attrName)

getKeyHolderByClass

public static KeyHolder getKeyHolderByClass(Object obj)

从class定义中获取数据库返回的值

参数:

c -

返回:

getLong

public Long getLong(String attrName)

getString

public String getString(String attrName)

getObject

public Object getObject(String attrName)

hasAttr

public boolean hasAttr()

是否有自增主健

返回:

getAttrNames

public String[] getAttrNames()

getValues

public Object[] getValues()

setValues

public void setValues(Object[] values)