Package com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements

Class IsNullTagHandler

java.lang.Object

com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.BaseTagHandler

com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.ConditionalTagHandler

com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.IsNullTagHandler

All Implemented Interfaces:

SqlTagHandler

Direct Known Subclasses:

IsNotNullTagHandler

public class IsNullTagHandler
extends ConditionalTagHandler

The Class IsNullTagHandler.

Field Summary

Fields inherited from class com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.ConditionalTagHandler

NOT_COMPARABLE

Fields inherited from interface com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.SqlTagHandler

INCLUDE_BODY, REPEAT_BODY, SKIP_BODY

Constructor Summary

Constructors

Constructor	Description
IsNullTagHandler()

Method Summary

Modifier and Type	Method	Description
boolean	isCondition(SqlTagContext ctx, SqlTag tag, Object parameterObject)	Checks if is condition.

Methods inherited from class com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.ConditionalTagHandler

compare, compareValues, convertValue, doEndFragment, doStartFragment, getResolvedProperty

Methods inherited from class com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements.BaseTagHandler

doPrepend

Methods inherited from class java.lang.Object

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

Constructor Details

IsNullTagHandler

public IsNullTagHandler()

Method Details

isCondition

public boolean isCondition(SqlTagContext ctx,
 SqlTag tag,
 Object parameterObject)

Description copied from class: ConditionalTagHandler

Checks if is condition.

Specified by:

isCondition in class ConditionalTagHandler

Parameters:

ctx - the ctx

tag - the tag

parameterObject - the parameter object

Returns:

true, if is condition