net.turnbig.qb.segment.impl.single

Class IsNullSegment

java.lang.Object

net.turnbig.qb.segment.SqlSegment

net.turnbig.qb.segment.impl.single.SingleSqlSegment

net.turnbig.qb.segment.impl.single.IsNullSegment

public class IsNullSegment
extends SingleSqlSegment

Version:

$Revision$

Author:

wuqb

Field Summary

Fields inherited from class net.turnbig.qb.segment.impl.single.SingleSqlSegment

fieldName, paramKey, paramValue, SEGMENT

Fields inherited from class net.turnbig.qb.segment.SqlSegment

params, settings

Constructor Summary

Constructors

Constructor and Description
IsNullSegment(String fieldName, Object paramValue, Settings settings)

Method Summary

Modifier and Type	Method and Description
String	asSql() generate sql for the edu.woo.qb.segment
boolean	isParamRequired() whether required named query parameter for this edu.woo.qb.segment

Methods inherited from class net.turnbig.qb.segment.impl.single.SingleSqlSegment

buildSql, getFieldName, getParamKey, getParamValue, getRandomKey, getSqlFormatter, setFieldName, setParamKey, setParamValue

Methods inherited from class net.turnbig.qb.segment.SqlSegment

addParam, getKeyedParams, getListParams, getParams, getSettings, setSettings, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IsNullSegment

public IsNullSegment(String fieldName,
                     Object paramValue,
                     Settings settings)

Parameters:

fieldName -

paramValue -

Method Detail

asSql

public String asSql()

Description copied from class: SqlSegment

generate sql for the edu.woo.qb.segment

Specified by:

asSql in class SqlSegment

Returns:

isParamRequired

public boolean isParamRequired()

Description copied from class: SqlSegment

whether required named query parameter for this edu.woo.qb.segment

Overrides:

isParamRequired in class SingleSqlSegment

Returns: