Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 =jN9PzLk
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 F/I`EV
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据这一功能,我设计了通用的抽象Bean基类和分页类支持,代码来 5Myp#!|x:
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自于Quake Wang的javaeye-core包的相应类,然后又做了很多修改 O'}
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分页支持类: SYsbe 5j
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java代码: urK[v
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package com.javaeye.common.util; Z#P:C":e
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import java.util.List; f~NGIlgR
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publicclass PaginationSupport { EsR$H2"
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publicfinalstaticint PAGESIZE = 30; 9s}y*Vp
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privateint pageSize = PAGESIZE; j\S}TaH0e
};=44E'7
privateList items; CnA0^JX
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privateint totalCount; 2'6:fr=R
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privateint[] indexes = newint[0]; GE{u2<%@
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privateint startIndex = 0; s,|s;w*.
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public PaginationSupport(List items, int :UgCP ~Y
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totalCount){ (;o/2Q?
setPageSize(PAGESIZE); *?GV(/Q
setTotalCount(totalCount); 8={"j
setItems(items); 7CKh?>
setStartIndex(0); lB
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} L~])?d
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public PaginationSupport(List items, int g,N"o72)
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totalCount, int startIndex){ 7u9!:}Tu
setPageSize(PAGESIZE); Y79{v nlGk
setTotalCount(totalCount); X( H-U
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setItems(items); =(x W7Pt~
setStartIndex(startIndex); z sZP\
} $stBB
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public PaginationSupport(List items, int J^R#
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totalCount, int pageSize, int startIndex){ gADEjr*H
setPageSize(pageSize); 5|E_ ,d!v
setTotalCount(totalCount); c5t],P
setItems(items); >pV|c\
setStartIndex(startIndex); g}\Yl.
} oL2 a:\7
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publicList getItems(){ s$s]D\N
return items; eviv,
} !}gC0dJ
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publicvoid setItems(List items){ B.-1wZl
this.items = items; dfmxz7V
} -8]M
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publicint getPageSize(){ 8
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return pageSize; \!["U`\.K
} ARD&L$AX
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publicvoid setPageSize(int pageSize){ c9
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this.pageSize = pageSize; A$9^JF0$
} 1~HR;cTv=
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publicint getTotalCount(){ D6KYkN(,v
return totalCount; Gg3cY{7
} #$GDKK
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publicvoid setTotalCount(int totalCount){ W\tSXM-Hg
if(totalCount > 0){ HktvUJ(Ii
this.totalCount = totalCount; -|l^- Qf!
int count = totalCount / cG"+n@\
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pageSize; Q599@5aS
if(totalCount % pageSize > 0) u5,\Kz
count++; w1je|Oil
indexes = newint[count]; Zljj
for(int i = 0; i < count; i++){ 2^}E!(<
indexes = pageSize * =vv4;az
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i; L;7x2&
} T-:
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}else{ @@,l0/
this.totalCount = 0; 1HF=,K+
} g?'4G$M
} $LLy#h?V]
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publicint[] getIndexes(){ 8}&O7zO?
return indexes; 2\Vzfca
} jORU+g
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publicvoid setIndexes(int[] indexes){ !NNq( t
this.indexes = indexes; `|1#Vuk
} nQ0g,'o
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publicint getStartIndex(){ a|*{BlY
return startIndex; Hq{i-z+
} w!0`JPu
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publicvoid setStartIndex(int startIndex){ 1Qi5t?{
if(totalCount <= 0) ,<[Q/:}[
this.startIndex = 0; !18M!8Xea
elseif(startIndex >= totalCount) [f'V pId8
this.startIndex = indexes e%(,)WlTaU
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[indexes.length - 1]; p?mQ\O8F
elseif(startIndex < 0) r.5}Q?
this.startIndex = 0; _`/:gkZS
else{ 'nOc_b0
this.startIndex = indexes ;E8.,#/a
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[startIndex / pageSize];
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} *Txt`z[|
} cax]lO
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publicint getNextIndex(){ 8\+Q*7~@i
int nextIndex = getStartIndex() + B cMgfa/
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pageSize; ,DN>aEu1
if(nextIndex >= totalCount) ;T Af[[P
return getStartIndex(); d66
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else 73kF=*m
return nextIndex; ZgN )sVJ
} fZqMznF
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publicint getPreviousIndex(){ +mReWf:o
int previousIndex = getStartIndex() - 3x=f}SO&
<+1d'VQ2
pageSize; hrpql_9.
if(previousIndex < 0) #S57SD
return0; =Fq"lq %
else ,\y)k}0lH
return previousIndex; x
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} ]-Z="YPY
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} ; ]*
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抽象业务类 -lKk.Y.}r
java代码: nATEv2:G
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/** ZGUhje!
* Created on 2005-7-12 G+^Q
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*/ VP|ga}(
package com.javaeye.common.business; EkV
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import java.io.Serializable; aKkG[qN
import java.util.List; "XWrd[Df
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import org.hibernate.Criteria; }B{bM<dF
import org.hibernate.HibernateException; K&zp2V
import org.hibernate.Session; uyt]\zVT
import org.hibernate.criterion.DetachedCriteria; qNI2+<u)j
import org.hibernate.criterion.Projections; ('q u#.'
import (Kl96G<Wej
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org.springframework.orm.hibernate3.HibernateCallback; LTGKs^i4
import ,J|8P{ZO
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org.springframework.orm.hibernate3.support.HibernateDaoS 1l$c*STK
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upport; #&JhA2]q
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import com.javaeye.common.util.PaginationSupport; ~J}{'l1{yf
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public abstract class AbstractManager extends W7k\j&x
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HibernateDaoSupport { "0JG96&\
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privateboolean cacheQueries = false; 7^}np^[HB
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privateString queryCacheRegion; | |=q"h3(
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publicvoid setCacheQueries(boolean ?lg
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cacheQueries){ r+T@WvS%W
this.cacheQueries = cacheQueries; T%
} ys+ AY^/
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publicvoid setQueryCacheRegion(String _^+z2m+~N
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queryCacheRegion){ V87?J w%2
this.queryCacheRegion = W,<P])
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queryCacheRegion; xZJ
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} 8]!%mrS
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publicvoid save(finalObject entity){ @D<q=:k
getHibernateTemplate().save(entity); mJBvhK9%
} S+03aJNN#
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publicvoid persist(finalObject entity){ 7,.Hj&'B
getHibernateTemplate().save(entity); |a7W@LVYD
} ?}y{tav=
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publicvoid update(finalObject entity){ os|Y=a
getHibernateTemplate().update(entity); NdpcfZq
} RrM C[2=
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publicvoid delete(finalObject entity){ Y|eB;Dm1q
getHibernateTemplate().delete(entity); E'|@hL-jn
} CAGaZ rx
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publicObject load(finalClass entity, H-&Z+4 +Xs
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finalSerializable id){ V2< 4~J2:9
return getHibernateTemplate().load m_{?py@tZ
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(entity, id); dgb#PxOMH
} n9.` 5BH7/
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publicObject get(finalClass entity, ( Z-~Eh
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finalSerializable id){ Ok7i^-85
return getHibernateTemplate().get rFY% fo
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(entity, id); qA4w*{JN
} t@KN+
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publicList findAll(finalClass entity){ (E'f'g
return getHibernateTemplate().find("from Ne^md
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" + entity.getName()); 5v51:g>c
} ![ &
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publicList findByNamedQuery(finalString NXQdy g,
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namedQuery){ yQkj4v{
return getHibernateTemplate dA;f`Bi;Q
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().findByNamedQuery(namedQuery); `4Jlf!
} *],]E;
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publicList findByNamedQuery(finalString query, RS'%;B-)
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finalObject parameter){ Ol8ma`}Nq3
return getHibernateTemplate j5lSu~
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().findByNamedQuery(query, parameter); 9UD~$_<\
} SKx&t-
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publicList findByNamedQuery(finalString query, /UGH7srx
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finalObject[] parameters){ &"v h=Z-
return getHibernateTemplate "Dbjp5_
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().findByNamedQuery(query, parameters); wyqXD.of
} 3Lx]-0h
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publicList find(finalString query){ -V
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return getHibernateTemplate().find t/?x#X
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(query); YG<7Zv
} }nrl2yp:%
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publicList find(finalString query, finalObject Y{]RhRR
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parameter){ f_}FYeg
return getHibernateTemplate().find =Z
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(query, parameter); $<jI<vD+:
} @+LZSd+I
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public PaginationSupport findPageByCriteria L&td4`2y
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(final DetachedCriteria detachedCriteria){ v1h*/#
return findPageByCriteria :'-FaGy
vas
(detachedCriteria, PaginationSupport.PAGESIZE, 0); ;M '?k8L
} Ip}(!D|
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public PaginationSupport findPageByCriteria ~`Q8)(y<#$
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(final DetachedCriteria detachedCriteria, finalint &PRu[!
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startIndex){ Q<$I,C]
return findPageByCriteria S:qML]RO
{}ks[%,_\
(detachedCriteria, PaginationSupport.PAGESIZE, /"d5<B `%
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startIndex); tA?P$5?-*
} +(d\`{A
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public PaginationSupport findPageByCriteria `$|!h-"
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(final DetachedCriteria detachedCriteria, finalint Jq1 Zb
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pageSize, /`yb75
finalint startIndex){ eJ0PSW/4l
return(PaginationSupport) I13nmI\
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getHibernateTemplate().execute(new HibernateCallback(){ }5#<`8
publicObject doInHibernate MW%EJT>@z
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(Session session)throws HibernateException { IZ /M d@C
Criteria criteria = ^Xjh ?+WM
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detachedCriteria.getExecutableCriteria(session); S5R Q
int totalCount = .Y.\D\>~
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((Integer) criteria.setProjection(Projections.rowCount L5C4#X
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()).uniqueResult()).intValue(); MrIo.
criteria.setProjection |1`|E-S=
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(null); uZ mi
List items = z@hlN3dg
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criteria.setFirstResult(startIndex).setMaxResults i>gbT+*E!
GJW>8*&&(
(pageSize).list(); :5?g<@
PaginationSupport ps = >U @7xeK
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new PaginationSupport(items, totalCount, pageSize, B9;dX6c
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startIndex); D 6!`p6r+
return ps; HpI[Af}l
} x6A*vP0nm)
}, true); 7B
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} @$ E&H`da
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public List findAllByCriteria(final qG.HJD
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DetachedCriteria detachedCriteria){ WlnmW(uahW
return(List) getHibernateTemplate &mj98
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().execute(new HibernateCallback(){ )+2GF0%
publicObject doInHibernate ?[Xv(60]
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(Session session)throws HibernateException { 0ts]
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Criteria criteria = R[>fT}Lo
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detachedCriteria.getExecutableCriteria(session); `9SRiy
return criteria.list(); /5:C$ik
} Sw~jyUEr
}, true); gE^
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} g1-^@&q
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public int getCountByCriteria(final wowv>!N!X-
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DetachedCriteria detachedCriteria){ Q/ rOIHiI
Integer count = (Integer) >YuBi:z
*"#62U6
getHibernateTemplate().execute(new HibernateCallback(){ FCxLL"))
publicObject doInHibernate nff&~lwhZ
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(Session session)throws HibernateException { NDLk+n
Criteria criteria = E! ;giPq*n
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detachedCriteria.getExecutableCriteria(session); 3B:U>F,]4
return Uu xbN-u
, Z*Fo: q
criteria.setProjection(Projections.rowCount o|lEF+
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()).uniqueResult(); D4%5T>^LW[
} h?[3{Z ^
}, true); JgXP2|Y !
return count.intValue(); [r%WVf.#d
} qCg`"/0
} 24Lo.
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用户在web层构造查询条件detachedCriteria,和可选的 "HTp1
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 "2HSb5b"`
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PaginationSupport的实例ps。 iL f:an*vH
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ps.getItems()得到已分页好的结果集 CYA#:
ps.getIndexes()得到分页索引的数组 4G;FpWQm
ps.getTotalCount()得到总结果数 [|PVq#(
ps.getStartIndex()当前分页索引 x]|8
ps.getNextIndex()下一页索引 B,?Fjot#m
ps.getPreviousIndex()上一页索引 uKF?UXc
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 ^b=] =w
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 0MDdcjqw
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一下代码重构了。 Rh#0EbE2
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我把原本我的做法也提供出来供大家讨论吧: ncS.~F
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首先,为了实现分页查询,我封装了一个Page类: ]nE_(*w
java代码: m~Q]#r
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/*Created on 2005-4-14*/ O<nJbsl_w
package org.flyware.util.page; N\XZ=t^h(
5qo^SiB.
/** [wB-e~
* @author Joa ')_Gm{A#p
* $#ks`$vM
*/ 6F PGQ0q
publicclass Page { !{5jP|vo
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/** imply if the page has previous page */ Z'c{4b`N
privateboolean hasPrePage; %Hdg,NH
z[:UPPbW
/** imply if the page has next page */ ;n?72&h
privateboolean hasNextPage; W70J2
#q. Q tDz
/** the number of every page */ lN94 b3_W
privateint everyPage; BEM_y:#
ct='Z E
/** the total page number */ p-n_
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privateint totalPage; .-[uQtyWW
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/** the number of current page */ AD$k`Cj
privateint currentPage; R:SFj!W1
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/** the begin index of the records by the current }m NP[L
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query */ ;EstUs3
privateint beginIndex; ;}),6R
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/** The default constructor */ L12m ;
public Page(){ `=b)fE
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} O[[:3!6q
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/** construct the page by everyPage +k]9n*^uz
* @param everyPage ^luAX
}*
* */ (9q61zA
public Page(int everyPage){ "orZje9AC
this.everyPage = everyPage; cQEK>aAd
} `[\*1GpAo
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/** The whole constructor */ hPtSY'_@_
public Page(boolean hasPrePage, boolean hasNextPage, w :2@@)pr
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int everyPage, int totalPage, {`fhcEC
int currentPage, int beginIndex){ 1GB$;0 W),
this.hasPrePage = hasPrePage; krwY_$q
this.hasNextPage = hasNextPage; =1g
this.everyPage = everyPage; q:Gi
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this.totalPage = totalPage; g+8{{o=
this.currentPage = currentPage; yv| |:wZC
this.beginIndex = beginIndex; $(v1q[ig
} B6~a `~"
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/** !fF1tW
* @return [G:wPp.y
* Returns the beginIndex. Y%!3/3T
*/ g+BW~e)
publicint getBeginIndex(){ RE/'E?G
return beginIndex; *IWO ,!
} z VleJ!d
@F)51$Ld
/** VD+TJ` r
* @param beginIndex |GgFdn`>
* The beginIndex to set. ? _36uJo}
*/ ]CyWL6z
publicvoid setBeginIndex(int beginIndex){ ^sIxR*C[v
this.beginIndex = beginIndex; {M:Fsay>p
}
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/** [?uiM^&
* @return ,Zs:e.
* Returns the currentPage. GKdQ
*/ OI;0dS
publicint getCurrentPage(){ yQb^]|XG
return currentPage; v3
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} 7eb^^a?
%g7 !4
/** 9`4mvK/@
* @param currentPage H@0i}!U64
* The currentPage to set. y
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*/ s,>_kxuX
publicvoid setCurrentPage(int currentPage){ JSX-iHhW
this.currentPage = currentPage; t4)~A5s
} vk\a>};
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/** 7z!|sPW](b
* @return Y$SZqW0!/
* Returns the everyPage. ecIxiv\
*/ PY=(|2tb4
publicint getEveryPage(){ |@KW~YlE
return everyPage; Cv{>|g#
} 0g% `L_e_
B6&PYMFK?*
/** ^qXc%hj g
* @param everyPage '5zolp%St
* The everyPage to set. nQ >?{"
*/ Dp|y&x!
publicvoid setEveryPage(int everyPage){
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this.everyPage = everyPage; 8Z{&b,Y4L
} b%<-(o/
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/** O'y8[<
* @return ''P.~~ezr5
* Returns the hasNextPage. &Ji!*~sE
*/ 9`kxyh</
publicboolean getHasNextPage(){ ~i 'Ib_%h
return hasNextPage; ;w";s$
} [#S[=%
fT1/@
/** <A?- *
* @param hasNextPage ]5W|^%
* The hasNextPage to set. +[C(hhk("
*/ T+p?VngF
publicvoid setHasNextPage(boolean hasNextPage){ 1,,kU
this.hasNextPage = hasNextPage; #7/;d=
} @]ydWd
Z
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/** @q0\oG4L
* @return p^PAbCP'|3
* Returns the hasPrePage. lA}(63j+b
*/ e]-bB#-A
publicboolean getHasPrePage(){ Z{"/Ae5]
return hasPrePage; F|\^O[#R
} x*GGO)r
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/** KS%LX c('
* @param hasPrePage 3>FeTf#:
* The hasPrePage to set. QiBo]`)%
*/ .Fo0AjL}x
publicvoid setHasPrePage(boolean hasPrePage){ /c3A>
this.hasPrePage = hasPrePage; ;]AJ_h(<`
} vAZc.=+ >
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/** gZbC[L
* @return Returns the totalPage. 9UlR fl
* AwrW!)n}
*/ 4^h_n1A
publicint getTotalPage(){ 4%#Y)zo.e
return totalPage; V<&x+?>S
} x {Z_rD
A.nU8
/** c*LB=;npI
* @param totalPage f5p>oXo4b
* The totalPage to set. Pi|WOE2
*/ ;"/[gFD5u
publicvoid setTotalPage(int totalPage){ C+\c(M a
this.totalPage = totalPage; UYJMW S=
} u0^Vy#@_
TC 7&IqT
} 7Gg3$E+#*
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上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 g\]2?vY.
;MH((M/AN
个PageUtil,负责对Page对象进行构造: 5[<"_
java代码: #O3Y#2lI
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/*Created on 2005-4-14*/ -|s
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package org.flyware.util.page; mO];+=3v8
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import org.apache.commons.logging.Log; Cu*+E%P9`
import org.apache.commons.logging.LogFactory; SM%N]/@U
7wKN
/** FKhmg&+>
* @author Joa LIzdP,^pc
* (I(?oCQ
*/ 6&jW.G8/
publicclass PageUtil { y.h2hv]Bc
7.V'T=@x3)
privatestaticfinal Log logger = LogFactory.getLog o<
)"\f/,
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(PageUtil.class); &>Zm gz
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/** \<k5c-8Hb
* Use the origin page to create a new page gumT"x .^
* @param page QH~;B[->
* @param totalRecords
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* @return 7X+SK&PX
*/ SZVNu*G!H
publicstatic Page createPage(Page page, int yjcZTvjJ
u@ MUcW
totalRecords){ b$7p`Ay
return createPage(page.getEveryPage(), awYnlE/Z1
_p;>]0cc.
page.getCurrentPage(), totalRecords); L!:8yJK
} {J#SpG 7
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/**
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* the basic page utils not including exception Ka\ha
(<bYoWrK#
handler v)+E!"R3.
* @param everyPage jh7-Fl`
* @param currentPage I8ZBs0sfF{
* @param totalRecords zG
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* @return page ANIx0*Yl(
*/ Ax"]+pb
publicstatic Page createPage(int everyPage, int @4)NxdOE
>* Ag0.Az
currentPage, int totalRecords){ !U6q;'
)-
everyPage = getEveryPage(everyPage); %5g(|Y]
currentPage = getCurrentPage(currentPage); S10"yhn(-t
int beginIndex = getBeginIndex(everyPage, :%&|5Ytb
)P13AfK
currentPage); j
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int totalPage = getTotalPage(everyPage, \kN?7b^
d_7v 1)j
totalRecords); "2l$}G
boolean hasNextPage = hasNextPage(currentPage, D*T*of G
2Dc2uU@`r
totalPage); _?VMSu
boolean hasPrePage = hasPrePage(currentPage); g:dtfa/]
8Pb~`E/
returnnew Page(hasPrePage, hasNextPage, -BV8,1
everyPage, totalPage, v3p'*81;
currentPage,
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beginIndex); \&!qw[;O
} k -V3l
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privatestaticint getEveryPage(int everyPage){ ]Rk4"i
return everyPage == 0 ? 10 : everyPage; ` x|=vu-
} qV$\E=%fhM
[SKN}:D
privatestaticint getCurrentPage(int currentPage){ 0Dt-!Q7
return currentPage == 0 ? 1 : currentPage; Ji#eA[
} o;[?b'\[d
PTS
dW~3
privatestaticint getBeginIndex(int everyPage, int =Ch^;Wyt
|Eyn0\OA
currentPage){ #fGI#]SG?
return(currentPage - 1) * everyPage; {s7
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} =)c^ik%F&
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privatestaticint getTotalPage(int everyPage, int E|,RM;7
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totalRecords){ ^RI&`5g
int totalPage = 0; Svicw`uX0
-~_[2u^3
if(totalRecords % everyPage == 0) ,K WIuCU;
totalPage = totalRecords / everyPage; {P{h|+;
else Tr@|QNu
totalPage = totalRecords / everyPage + 1 ; wU}%]FqtZ=
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return totalPage; @sdHB./
} +0l-zd\
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privatestaticboolean hasPrePage(int currentPage){ 9$q35e
return currentPage == 1 ? false : true; jLM}hwJ8
} ` n#Db
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privatestaticboolean hasNextPage(int currentPage, *)Us
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int totalPage){ 31GqWN`>$
return currentPage == totalPage || totalPage == M!Ua/g=u
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0 ? false : true; 14pyHMOR
} vojXo|c
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} y*#YIS56I
7 1+
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上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 n&%0G2m:
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面对一个具体的业务逻辑:分页查询出User,每页10个结果。具体 (V x2*Aw]
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做法如下: Gk']Ma2J}
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 G' '9eV$
8l l}"
的信息,和一个结果集List: q o6~)Aws
java代码: =E
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/*Created on 2005-6-13*/ 5wa'SexqE
package com.adt.bo; $
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import java.util.List; -#Ys67,4N
JJHO E{%
import org.flyware.util.page.Page; 9Ca }+
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/** (M 2hK[
* @author Joa M?_7*o]!
*/ 7n)ob![\d
publicclass Result { /!'Png0!
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private Page page; T'ei>]y]
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private List content; Ih HKRb[
RT.
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/** Alk+MwjR
* The default constructor `t"7[Zk
*/ u]*f^/6Q
public Result(){ l@0${&n
super(); Vq599M:)V
} %i) 0sET
Urz9S3#\
/** &`IJ55Z-)
* The constructor using fields dsn(h5,Q'
* ,<BV5~T.|
* @param page -W{ !`<8D
* @param content 6j Rewj
*/ q 2P_37
public Result(Page page, List content){ 5\Rg%Ezl
this.page = page; C]Q`!e
this.content = content; t$&'mJ_-w
} zZW5M^z8
"/yS HB[
/** Pm]lr|Q{I
* @return Returns the content. *P/DDRq(2
*/ Ss3~X90!*B
publicList getContent(){ 3Rhoul[S
return content; +NJIi@
} [Z2{S-)UM
mM r$~^P:
/** ^-Rqlr,F;
* @return Returns the page. ^3ai}Ei3
*/ 'YJ~~o
public Page getPage(){ CXBFR>"
return page; h[;DRD!Z
} )KY4BBc
M.\XG}RR
/** Y!`pF
* @param content jwg*\HO,s
* The content to set. 6!HYx
*/ nvCp-Z$
public void setContent(List content){ EiDnUL(W7h
this.content = content; Ng2Z7k
} f_Hh"Vh
8!b>[Nsc
/** 0#NbAMt
* @param page D~FIv
* The page to set. Y>T<Qn^D
*/ ::_bEmk
publicvoid setPage(Page page){ ^Kl*}
this.page = page; j/jFS]iC
} +k
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} P:WxhO/
9 ^8_^F
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2. 编写业务逻辑接口,并实现它(UserManager, F|G v
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UserManagerImpl) 3mHP=)
java代码: lvRTy|%[
j]U~ZAn,K
H|$
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/*Created on 2005-7-15*/ GO.7IL{{
package com.adt.service; KG4zjQf
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import net.sf.hibernate.HibernateException; A)gSOC{3F)
.mNw^>:cq
import org.flyware.util.page.Page; oVr:ZwkG3
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import com.adt.bo.Result; gi>W&6
0e07pF/!
/** (5A8# 7a
* @author Joa F-F1^$]k
*/ H]W'mm
publicinterface UserManager { Ct^=j@g
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public Result listUser(Page page)throws x+TdTe;p
da~_(giD*
HibernateException; M(yWE0 3
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} m?gGFxo
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java代码: {>PEl;,-
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PJ=| g7I
/*Created on 2005-7-15*/ c^cr_i
package com.adt.service.impl; `Z#':0Z
/MMnW$)
import java.util.List; #C'E'g0
I5Ty@J#
import net.sf.hibernate.HibernateException; pN_%>v"o
(.i wD&
import org.flyware.util.page.Page; sIbPMu`&U
import org.flyware.util.page.PageUtil; O)DAYBv^
Wsp c;]&
import com.adt.bo.Result; ;" D~F
import com.adt.dao.UserDAO; +6}CNC9Mp
import com.adt.exception.ObjectNotFoundException; *FC|v0D
import com.adt.service.UserManager; K'/if5>Bc
+J~%z*A
/** zk!7TUZ">w
* @author Joa %"=GQ 3u[
*/ i`Qa7
publicclass UserManagerImpl implements UserManager { 9~$E+m(
<o[3*59
private UserDAO userDAO; W'=}2Y$]u
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/** f`*VNB`
* @param userDAO The userDAO to set. WgG$ r
*/ miTff[hsMa
publicvoid setUserDAO(UserDAO userDAO){ Q1{9>NI
this.userDAO = userDAO; FA\U4l-
} ,`OQAJ)>
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/* (non-Javadoc) KX3A|
* @see com.adt.service.UserManager#listUser l@1=./L?
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(org.flyware.util.page.Page) 4\nGWi{2
*/ fFoZ!H
public Result listUser(Page page)throws `KE]RTq
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HibernateException, ObjectNotFoundException { C@[U:\
int totalRecords = userDAO.getUserCount(); n(|n=P:o
if(totalRecords == 0) j:>0XP
throw new ObjectNotFoundException 4.uaWM)2
e2K9CE.O
("userNotExist"); &c