cn.jiangzeyin.database.run.read

类 IsExists<T>

java.lang.Object

cn.jiangzeyin.database.base.Base<T>

cn.jiangzeyin.database.run.read.IsExists<T>

public class IsExists<T>
extends Base<T>

判断是否存在

作者:

jiangzeyin

构造器概要

构造器

构造器和说明
IsExists()
IsExists(boolean isThrows)
IsExists(java.lang.String tag)
IsExists(java.lang.String keyColumn, java.lang.String keyValue)

方法概要

限定符和类型	方法和说明
java.lang.String	getColumn()
java.lang.String	getKeyColumn()
java.lang.Object	getKeyValue()
int	getLimit()
java.util.List<java.lang.Object>	getParameters()
java.lang.String	getWhere()
boolean	run() 判断是否存在
java.lang.Object	runColumn() 查询是否存在
void	setColumn(java.lang.String column)
void	setKeyColumn(java.lang.String keyColumn)
void	setKeyValue(java.lang.Object keyValue)
void	setLimit(int limit)
void	setParameters(java.util.List<java.lang.Object> whereParameters)
void	setParameters(java.lang.Object... parameters_)
void	setWhere(java.lang.String where)

从类继承的方法 cn.jiangzeyin.database.base.Base

getOptUserId, getRefKey, getRefMap, getRefWhere, getRemove, getTag, getTagName, getTclass, getTclass, isThrows, isThrows, putRefClass, putRefClass, recycling, restart, runEnd, setOptUserId, setRefKey, setRemove, setRemoveList, setRunSql, setTag, setTagName, setTclass, setThrows

从类继承的方法 java.lang.Object

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

构造器详细资料

IsExists

public IsExists(java.lang.String keyColumn,
                java.lang.String keyValue)

IsExists

public IsExists()

IsExists

public IsExists(boolean isThrows)

IsExists

public IsExists(java.lang.String tag)

方法详细资料

getLimit

public int getLimit()

setLimit

public void setLimit(int limit)

getColumn

public java.lang.String getColumn()

setColumn

public void setColumn(java.lang.String column)

getParameters

public java.util.List<java.lang.Object> getParameters()

setParameters

public void setParameters(java.util.List<java.lang.Object> whereParameters)

setParameters

public void setParameters(java.lang.Object... parameters_)

getKeyColumn

public java.lang.String getKeyColumn()

setKeyColumn

public void setKeyColumn(java.lang.String keyColumn)

getKeyValue

public java.lang.Object getKeyValue()

setKeyValue

public void setKeyValue(java.lang.Object keyValue)

getWhere

public java.lang.String getWhere()

setWhere

public void setWhere(java.lang.String where)

run

public boolean run()

判断是否存在

返回:

是否存在

runColumn

public java.lang.Object runColumn()

查询是否存在

返回:

结果