org.nutz.dao.util.cri

Class NoParamsSqlExpression

java.lang.Object

org.nutz.dao.impl.sql.pojo.AbstractPItem

org.nutz.dao.util.cri.AbstractSqlExpression

org.nutz.dao.util.cri.NoParamsSqlExpression

All Implemented Interfaces:

Serializable, PItem, SqlExpression

Direct Known Subclasses:

IsNull, SqlRange

public abstract class NoParamsSqlExpression
extends AbstractSqlExpression

See Also:

Serialized Form

Field Summary

Fields inherited from class org.nutz.dao.util.cri.AbstractSqlExpression

not

Fields inherited from class org.nutz.dao.impl.sql.pojo.AbstractPItem

pojo, top

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NoParamsSqlExpression(String name)

Method Summary

Modifier and Type	Method and Description
int	joinAdaptor(Entity<?> en, ValueAdaptor[] adaptors, int off) 根据自身的元素内容，为适配器数组填充适配器
int	joinParams(Entity<?> en, Object obj, Object[] params, int off) 根据自身的元素内容，为参数数组填充参数
int	paramCount(Entity<?> en)

Methods inherited from class org.nutz.dao.util.cri.AbstractSqlExpression

_field, _fmtcol, setNot

Methods inherited from class org.nutz.dao.impl.sql.pojo.AbstractPItem

_en, _fmtcolnm, getFieldMatcher, getPojo, getSqlType, isTop, setPojo, setTop, setupPojo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.nutz.dao.sql.PItem

getPojo, joinSql, setPojo, toString

Constructor Detail

NoParamsSqlExpression

protected NoParamsSqlExpression(String name)

Method Detail

joinAdaptor

public int joinAdaptor(Entity<?> en,
                       ValueAdaptor[] adaptors,
                       int off)

Description copied from interface: PItem

根据自身的元素内容，为适配器数组填充适配器

Parameters:

en - 参考的实体，如果为 null，则取当前元素所在 POJO 的关联实体

adaptors - 待填充的适配器数组

off - 开始下标

Returns:

结束后，下一项开始的下标

joinParams

public int joinParams(Entity<?> en,
                      Object obj,
                      Object[] params,
                      int off)

Description copied from interface: PItem

根据自身的元素内容，为参数数组填充参数

Parameters:

en - 参考的实体，如果为 null，则取当前元素所在 POJO 的关联实体

obj - 当前操作对象

params - 待填充的参数数组

off - 开始下标

Returns:

结束后，下一项开始的下标

paramCount

public int paramCount(Entity<?> en)

Parameters:

en - 参考的实体，如果为 null，则取当前元素所在 POJO 的关联实体

Returns:

本语句元素所包含的参数数目