Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 sgGA0af
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 'SoBB:
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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 I`rN+c:
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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 )lJAMZ 5xp
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。 (a8iCci:
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分页支持类: G.~Q2O#T
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java代码: L6fbR-&Lt
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package com.javaeye.common.util; *($,ay$&H
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import java.util.List; k{{3nenAG
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publicclass PaginationSupport { *fIn<Cc
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publicfinalstaticint PAGESIZE = 30; zow8 Q6f
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privateint pageSize = PAGESIZE; /.CS6W^z
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privateList items; X'
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privateint totalCount; 1zH?.-
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privateint[] indexes = newint[0]; g3&nxZ
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privateint startIndex = 0; ^>Z_3{s:$
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public PaginationSupport(List items, int 2|& S2uq
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totalCount){ 4:NMZ `~
setPageSize(PAGESIZE); ^Cp2#d*
setTotalCount(totalCount); N\B&|;-V
setItems(items); h
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setStartIndex(0); H1B%}G*Ir-
} T1.U (::
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public PaginationSupport(List items, int zEtsMU
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totalCount, int startIndex){ b~:)d>s8wY
setPageSize(PAGESIZE); KB|mtsi
setTotalCount(totalCount); [r8[lkR
setItems(items); {.AN4
setStartIndex(startIndex); ;hO6 p
} D:bmq93PC
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public PaginationSupport(List items, int EJTM
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totalCount, int pageSize, int startIndex){ 6)*fr'P
setPageSize(pageSize); RH<2f5-sC!
setTotalCount(totalCount); M.}J SDt
setItems(items); j,^&U|!
setStartIndex(startIndex); Gg~0>XS
} 1uj~/M
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publicList getItems(){ MQx1|>rG
return items; gMF6f%
} 2XeyNX
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publicvoid setItems(List items){ d wG!]j>:_
this.items = items; YSt*uOZK
} r|4D.O]
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publicint getPageSize(){ 5G\OINxy
return pageSize; gFHBIN;u
} ='b)6R
z{
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publicvoid setPageSize(int pageSize){ v"ORn5
this.pageSize = pageSize; y.D+M$f
} gs3(B/";c
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publicint getTotalCount(){ hIV]ZYbH
return totalCount; 6JZ>&HA
} \L~^c1s3r
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publicvoid setTotalCount(int totalCount){ $ MH;v_'a
if(totalCount > 0){ r[}nr H&8
this.totalCount = totalCount; / kK*%TP
int count = totalCount / ZJZSt% r
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pageSize; `b8nz 7
if(totalCount % pageSize > 0) W g7
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count++; p:y\{k"
indexes = newint[count]; 06 %-tAq:
for(int i = 0; i < count; i++){ ;BH.,{*@B
indexes = pageSize * 99ZWB
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i; $RY-yKmi
} sU&v
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}else{ DoQ^caa@
this.totalCount = 0; ;6pB7N
} m=@xZw<
} "Ux(nt
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publicint[] getIndexes(){ 6}I X{nQI
return indexes; EniV-Uj\D
} H i8V=+
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publicvoid setIndexes(int[] indexes){ !nkIXgWz
this.indexes = indexes; r/AOgS
} !`?i>k?Q E
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publicint getStartIndex(){ 5Z; 5?\g
return startIndex; j]kgdAq>
} Bc }o3oc
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publicvoid setStartIndex(int startIndex){ NN'pBUR
if(totalCount <= 0) $zCCeRP
this.startIndex = 0; l3 F$5n
elseif(startIndex >= totalCount) >YWK"~|i~
this.startIndex = indexes )4B`U(%M~
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[indexes.length - 1]; OXQA(%MK
elseif(startIndex < 0) }B7Txo,Z
this.startIndex = 0; ;y\/7E
else{ )u{]rb[
this.startIndex = indexes |=YK2};
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[startIndex / pageSize]; !;&\n3-W
} PVlCj
} +W[f>3`VQ
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publicint getNextIndex(){ 8,IF%Z+LI
int nextIndex = getStartIndex() + e16H@
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pageSize; tT)s,R%
if(nextIndex >= totalCount) -~8PI2
return getStartIndex(); tkk8b6%h?p
else o"X..m<
return nextIndex; pp(09y`]
} =Mwuhk|*
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publicint getPreviousIndex(){ G) KI{D
int previousIndex = getStartIndex() - hmkb!)
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pageSize; 59 g//;35@
if(previousIndex < 0) @, fvWNI
return0; 80lhhqRC
else ";7N$hWE
return previousIndex; O D N_i
} Yz0fOX
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} :$u[1&6
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抽象业务类 5[X%17&t
java代码: ,5Wu
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/** -JEPh!oTt
* Created on 2005-7-12 s(fkb7W,gO
*/ KH?6O%d
package com.javaeye.common.business; }[z7V
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import java.io.Serializable; wg0_J<y]
import java.util.List; 4_VgJ9@
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import org.hibernate.Criteria; `=hCS0F
import org.hibernate.HibernateException; !c)F;
import org.hibernate.Session; <B|b'XVH2
import org.hibernate.criterion.DetachedCriteria; $Q#n'#c
import org.hibernate.criterion.Projections; rucw{)
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import Tf5m
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org.springframework.orm.hibernate3.HibernateCallback; ;6hoG(3
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import In?+
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org.springframework.orm.hibernate3.support.HibernateDaoS wX2U
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upport; $S<B\\
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import com.javaeye.common.util.PaginationSupport; jq]5Y^e
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public abstract class AbstractManager extends x f{`uHa8
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HibernateDaoSupport { R[\1Kk(Zo
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privateboolean cacheQueries = false; 6BA$v-VVU
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privateString queryCacheRegion; [!;sp~
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publicvoid setCacheQueries(boolean ;Ngk"5
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cacheQueries){ ,rN$ah$CL
this.cacheQueries = cacheQueries; I$sXbM;z=
} hfIP
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publicvoid setQueryCacheRegion(String V Zbn@1
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queryCacheRegion){ mYo~RXKGF
this.queryCacheRegion = 7{M&9| aK
q M_c-^F
queryCacheRegion; Jf=V<
} #]1jvB
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publicvoid save(finalObject entity){ %pxJ2 7Q
getHibernateTemplate().save(entity); rlh:|#GTJ
} y-H9fWi8Y&
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publicvoid persist(finalObject entity){ `,~'T [
getHibernateTemplate().save(entity); T$0)un
} A405igF
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publicvoid update(finalObject entity){ g"'BsoJ
getHibernateTemplate().update(entity); zx8@4?bK
} 9C?SEbC
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publicvoid delete(finalObject entity){ c oZK
getHibernateTemplate().delete(entity); ,aezMbg
} ?QKDYH(
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publicObject load(finalClass entity, 1!)'dL0mI
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finalSerializable id){ #E
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return getHibernateTemplate().load E7R%G OH
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(entity, id); Pw]+6
} j<
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publicObject get(finalClass entity, {7oPDP
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finalSerializable id){ \6 J Y#%
return getHibernateTemplate().get >3b<
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(entity, id); ~kV>nx2
} iu<Tv,{8
m#[c]v{
publicList findAll(finalClass entity){ M9fQ,<c<6
return getHibernateTemplate().find("from 6:}n}q,V
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" + entity.getName()); rkWy3X{%2<
} : i.5
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publicList findByNamedQuery(finalString dEMv9"`*!
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namedQuery){ $D65&R
return getHibernateTemplate ,ko#z}Z4r,
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().findByNamedQuery(namedQuery); *B@#A4f"
} ]b;a~Y0
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publicList findByNamedQuery(finalString query, t5b cQ@Y
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finalObject parameter){ _-{=Z=?6}
return getHibernateTemplate *uK!w(;2
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().findByNamedQuery(query, parameter); DU,B
} WRbdv{1E
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publicList findByNamedQuery(finalString query, v0\M$@N[
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finalObject[] parameters){ DsxNg
return getHibernateTemplate |*ZM{$
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().findByNamedQuery(query, parameters); !a V:T&6
} 5G2ueRVb
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publicList find(finalString query){ >\'}&oi
return getHibernateTemplate().find YwH Fn+
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(query); @Kt!uKrI
} 3:$@DZT$
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publicList find(finalString query, finalObject r&v!2A]:
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parameter){ Hxac#(,7
return getHibernateTemplate().find sng6U;Z
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(query, parameter); O:,Gmft+
} ?G9DSk?6%Z
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public PaginationSupport findPageByCriteria 01
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(final DetachedCriteria detachedCriteria){ V1nqEdhk
return findPageByCriteria d5
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); )2d1@]6#
} %2'4h(Oq^
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public PaginationSupport findPageByCriteria 2XUIC^<@s
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(final DetachedCriteria detachedCriteria, finalint _E0yzkS
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startIndex){ c?c"|.-<p
return findPageByCriteria YGyw^$.w
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(detachedCriteria, PaginationSupport.PAGESIZE, fK(:vwh
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startIndex); 6 AY~>p
} B\=T_'E&
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public PaginationSupport findPageByCriteria [<^ '}-SJ
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(final DetachedCriteria detachedCriteria, finalint O]="ggq&
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pageSize, QDK }e:4q
finalint startIndex){ cF9ZnT.
return(PaginationSupport) 4},Y0 QXw
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getHibernateTemplate().execute(new HibernateCallback(){ y{P~!Yn|
publicObject doInHibernate 8<6@O
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(Session session)throws HibernateException { %[L/JJbP&Z
Criteria criteria = ??hKsjNAm0
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detachedCriteria.getExecutableCriteria(session); i(# Fjp
int totalCount = {~\:4
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((Integer) criteria.setProjection(Projections.rowCount X,8Zn06M
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()).uniqueResult()).intValue(); 7oL:C
criteria.setProjection (o\D=!a
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(null); vON7~KA
List items = #~|esr/wf
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criteria.setFirstResult(startIndex).setMaxResults G%jV}7h
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(pageSize).list(); 7D8 pb0`;J
PaginationSupport ps = "6%qi qt
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new PaginationSupport(items, totalCount, pageSize, "x:-#2+h
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startIndex); :Xx7':5
return ps; -=u9>S)!c
} o/RGz PR
}, true); ^#w9!I{4.
} S!R(ae^}
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public List findAllByCriteria(final +).=}.k
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DetachedCriteria detachedCriteria){ b!EqYT
return(List) getHibernateTemplate d-8g
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().execute(new HibernateCallback(){ NfCo)C-t
publicObject doInHibernate [H`5mY@
${t$:0R,h
(Session session)throws HibernateException { ]jmZ5h#[
Criteria criteria = ,mD$h?g
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detachedCriteria.getExecutableCriteria(session); 5RSP.Vyx{
return criteria.list(); `;Fs
} TPZ^hL>ao
}, true); 4]cr1K
^
} 7Z81+I|&8
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public int getCountByCriteria(final |;C;d"JC2
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DetachedCriteria detachedCriteria){ ,;=is.h9
Integer count = (Integer) <z
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getHibernateTemplate().execute(new HibernateCallback(){ gX5.u9%C\
publicObject doInHibernate [s-!tE3-
{]y!2r
(Session session)throws HibernateException { #vcQ =%;O
Criteria criteria = SR/
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detachedCriteria.getExecutableCriteria(session); DK%@[D
return 5XNFu C9E
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criteria.setProjection(Projections.rowCount !ZN"(0#qz
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()).uniqueResult(); 3"6-X_
} R
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}, true); Xpmi(~n
return count.intValue(); OZl0I#@A
} &y2DI"Ff
} x Sv@K5"8!
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用户在web层构造查询条件detachedCriteria,和可选的 +|O&k
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 qd
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PaginationSupport的实例ps。 RJOyPZ]
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ps.getItems()得到已分页好的结果集 ~uO9>(?D
ps.getIndexes()得到分页索引的数组 wOl]N2<
ps.getTotalCount()得到总结果数 1ZfhDtK(
ps.getStartIndex()当前分页索引 YYd!/@|N5
ps.getNextIndex()下一页索引 $Mqw)X&q
ps.getPreviousIndex()上一页索引 ARid
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 |H-zm&h>'
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 ^/Frg<>'p
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一下代码重构了。 iD!]I$
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我把原本我的做法也提供出来供大家讨论吧: f(*^zga,
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首先,为了实现分页查询,我封装了一个Page类: Q-f?7*>
java代码: Gn?<~8a
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/*Created on 2005-4-14*/ r(/+-
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package org.flyware.util.page; Lc13PTz>>g
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/** Z|$OPMLX
* @author Joa }JBLzk5|
* {o.i\"x;
*/ +#
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publicclass Page { VH$hQPP5d
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/** imply if the page has previous page */ #vvQ1ub
privateboolean hasPrePage; ;*8,PV0b_<
Q.L.B7'e7
/** imply if the page has next page */ z]
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privateboolean hasNextPage; R9lb<`
Z\*jt B:
/** the number of every page */ co%-d
privateint everyPage; 6"Rw&3D?
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/** the total page number */ 0N>R!
privateint totalPage; l)(
3]
*Nh[T-y(s
/** the number of current page */ -85W/%
privateint currentPage; xsdi\
j;n>
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/** the begin index of the records by the current qEV>$>}
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query */ a/H|/CB3
privateint beginIndex; 5j$a3nH
)*n2,n
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/** The default constructor */ Eh&HN-&
public Page(){ |4|j5<5
`%S#XJU
} %w3"B,k'9D
Omy<Y@$
/** construct the page by everyPage )wueR5P
* @param everyPage E(G&mfhb
* */ z;ko )
public Page(int everyPage){ eUE(vn#
this.everyPage = everyPage; '?MT"G
} $^j#z^7
/L? ia
/** The whole constructor */ 2io~pk>
public Page(boolean hasPrePage, boolean hasNextPage, MF/@Efjn
]
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int everyPage, int totalPage, (S1Co&SX
int currentPage, int beginIndex){ C(kIj
this.hasPrePage = hasPrePage; 9&}i[x4
this.hasNextPage = hasNextPage; DDwm;,eZ
this.everyPage = everyPage; N.@@ebuE
this.totalPage = totalPage; 1A.e cv'
this.currentPage = currentPage; I&G"{Dl94
this.beginIndex = beginIndex; ?."YP[;
} mJ L=H
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/** L:E?tR}H
* @return eT6T@C](
* Returns the beginIndex. FA3YiX(-e
*/ !omf>CW;ud
publicint getBeginIndex(){ 0JM`*f%n
return beginIndex; H$={i$*,Y
} M"Q{lR
];8S<KiS~
/** .DG`~Fpk
* @param beginIndex UY$Lqe~
* The beginIndex to set. 7F @#6
*/ tzV^.QWm
publicvoid setBeginIndex(int beginIndex){ cHjnuL0fsy
this.beginIndex = beginIndex; qaZQ1<e
} p]erk
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/** Vx*O^cM
* @return ].r~?9'/
* Returns the currentPage. {IA3`y~
*/ ::R5F4
publicint getCurrentPage(){ \qj(`0HG
return currentPage; SM8Wg>
} 0S71&I$u]
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/** 7/b\NLeJ'
* @param currentPage )LDBvpJyQ
* The currentPage to set. 5Sv;a(}
*/ JsD|igqF-
publicvoid setCurrentPage(int currentPage){ AMf{E
this.currentPage = currentPage; Z(:q.{"r
} {k8R6l1
~D\zz }l
/** VBv|7S
* @return oo2CF!Xy
* Returns the everyPage. <<l1zEf@
*/ YgL{*XYAt
publicint getEveryPage(){ BOdd~f%&tn
return everyPage; OD;F{Hc
} {DWL 5V#M
[Lal_}m?
/** 33z^Q`MTC
* @param everyPage IB\O[R$x
* The everyPage to set. }NpN<C+
*/ wlsq[xP
publicvoid setEveryPage(int everyPage){ 0 n}2D7
this.everyPage = everyPage; ,y}@I"
} ^ZPynduR
#bCQEhCy
/** 1=z6m7@'-
* @return !j%MN{#a
* Returns the hasNextPage. 51-@4E2:l:
*/ kr>4%Ndm7
publicboolean getHasNextPage(){ 92XG|CWX
return hasNextPage; oF L7dL
} i#bcjH
45A|KaVpg
/** gJBw6'Z
* @param hasNextPage v+(-\T\i
* The hasNextPage to set. pPsT,i?
*/ ~1:_wni
publicvoid setHasNextPage(boolean hasNextPage){ ^2C
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this.hasNextPage = hasNextPage; yIYQ.-DkS+
} _?v&\j
!q!5D`
/** h,|. qfUk
* @return >["X(%&w
* Returns the hasPrePage. z9Nial`p
*/ <%?!3 n*
publicboolean getHasPrePage(){ c"lblt5
return hasPrePage; QERj`/g
} w:aV2
Z;~ 7L*|
/** S\L^ZH?[2
* @param hasPrePage H/}W_ h^^
* The hasPrePage to set. bJoP@s
*/ O;+
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publicvoid setHasPrePage(boolean hasPrePage){ L(o#)I>j
this.hasPrePage = hasPrePage; Ubm]V{7
} COA*Q
^C'{# p"
/** Qo\?(EM
* @return Returns the totalPage. j:E3c\a
* =z!/:M
*/ unc8WXW
publicint getTotalPage(){ ek1<9"y
return totalPage; Q6;bORN
} =$SvKzN
V 5D8z
/** B&m6N,
* @param totalPage . ZP$,
* The totalPage to set. lk.Mc6)
*/ bT15jNa
publicvoid setTotalPage(int totalPage){ r;_*.|AH
this.totalPage = totalPage; GBY{O2!3u
} w8cbhc
,H>'1~q
} mO2u9?N
_%G;^ b
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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 9Ed=`c
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个PageUtil,负责对Page对象进行构造: c 5 `74g
java代码: e$7KMH=
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;FJFr*PM
/*Created on 2005-4-14*/ 35JVF*z
package org.flyware.util.page; CbwQbJ/v7
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import org.apache.commons.logging.Log; nK}-^Ur
import org.apache.commons.logging.LogFactory; <%.lPO]&E
t;V^OGflv
/** KW!+Ws
* @author Joa gx8i|]
* Tvt(nWn(H1
*/ P9W?sPnC5
publicclass PageUtil { 5zOC zm
mt~E&Z(A
privatestaticfinal Log logger = LogFactory.getLog E24j(>
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(PageUtil.class); Rn)fwGC
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/** rl,i,1t
* Use the origin page to create a new page _nM 7SK
* @param page Hk'R!X
* @param totalRecords B=~uJUr
* @return =b, m31
*/ 0g9y4z{H
publicstatic Page createPage(Page page, int Xk!wT2;
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totalRecords){ %C_c%3d
return createPage(page.getEveryPage(), kbo9nY1k
g
&?}A/(#
page.getCurrentPage(), totalRecords); ~C>clkZ
} rv`GOta*
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/** Nt\0) &b
* the basic page utils not including exception ^*w}+tB
WL?qulC}h1
handler }0?XF/e(R
* @param everyPage Shv$"x:W
* @param currentPage OZA^L;#>
* @param totalRecords V"B/4v>
* @return page )2Bb,p<Wr
*/ #lO ^PK
publicstatic Page createPage(int everyPage, int [=",R&uD$
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currentPage, int totalRecords){ C80< L5\
everyPage = getEveryPage(everyPage); b
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currentPage = getCurrentPage(currentPage); Ahc9HA2
int beginIndex = getBeginIndex(everyPage, ;2$0j1>
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9H
currentPage); I E{:{b\
int totalPage = getTotalPage(everyPage, \}~71y}
34Cnbtq^
totalRecords); P&Uj?et"
boolean hasNextPage = hasNextPage(currentPage, )x~/qHt
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totalPage); 4Y1dkg1y
boolean hasPrePage = hasPrePage(currentPage); ZtmaV27s/
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returnnew Page(hasPrePage, hasNextPage, !^o{}*]Pi
everyPage, totalPage, 56MY@
currentPage, YrYmPSb=
7dv!
beginIndex); 3 NFo=Z8
} y` {|D*
bDm7$ (
privatestaticint getEveryPage(int everyPage){ F`GXho[
return everyPage == 0 ? 10 : everyPage; *tv\5KW G
} /4N ?v. jf
+prUau*
privatestaticint getCurrentPage(int currentPage){ ns*:mGh
return currentPage == 0 ? 1 : currentPage; #SG.`J<%
} dS\!tdHP-Q
-2(?O`tZ
privatestaticint getBeginIndex(int everyPage, int IMBjI#\
R1/c@HQw?
currentPage){ =XK}eQ_d
return(currentPage - 1) * everyPage; |KY-kRN7
} <LzxnTx=
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privatestaticint getTotalPage(int everyPage, int gVe]?Jva`
E-($Xc
totalRecords){ T
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int totalPage = 0; wph8ln"C-
;mRZ_^V;
if(totalRecords % everyPage == 0) I ~^Xw7
totalPage = totalRecords / everyPage; ,L lYRj 5
else $VB
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totalPage = totalRecords / everyPage + 1 ; dwQ1~
2r;h">
return totalPage; ca3SE^
} q"6$#o{~U
u!&T}i:
privatestaticboolean hasPrePage(int currentPage){ 5423Ky<
return currentPage == 1 ? false : true; wlsx|
} ;^u,[d
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privatestaticboolean hasNextPage(int currentPage, {}rnn$HQe
n#}~/\P6
int totalPage){ ^#Mp@HK
return currentPage == totalPage || totalPage == N/ '
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0 ? false : true; j S[#R_
} sp
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} d7mn(= &
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<:NahxIlu
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上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 [ZC\8tP`V
93:oXyFjD
面对一个具体的业务逻辑:分页查询出User,每页10个结果。具体 9#m3<oSJ
#/jug[wf*!
做法如下: Xdo\DQn
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 ?Z_T3/ f
Kh[l};/F
的信息,和一个结果集List: ~,E }^
java代码: SDV#p];u
LMx/0
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/*Created on 2005-6-13*/ 3;VH'hh_
package com.adt.bo; %p$XK(6
vd(S&&]o1
import java.util.List; _p5#`-%mM
dP(.l}O
import org.flyware.util.page.Page; /d,u"_=l
~*"ZF-c,
/** C:}1r
* @author Joa T/2k2r4PD
*/ RgUQ:
publicclass Result { t72u%M6
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private Page page; 4L ]4WVc
7s3=Fa:9Q
private List content; iw=e"6V
sNcU>qjj6
/** @eeI4Jz
* The default constructor U,Uy0s2r
*/ od5nRb
public Result(){ m;\nMdn
super(); jf`w8*R
} =}kISh
FU/:'/ L
/** 4w=v
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* The constructor using fields fM7B<eB
* sve} ent
* @param page h@\-]zN{
* @param content ZOcpF1y
*/ m_CWVw
public Result(Page page, List content){ ?bt;i>O\
this.page = page; 88,hza`#V
this.content = content; Hg<aU*o;
} iE
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/** S{N4[U?V>
* @return Returns the content. }/&Zo=Q$
*/ :$k1I-^R
publicList getContent(){ FeMgn`q
return content; Sn4xv2/
} Knqv|jJVx1
JVkuSIR>
/** *?d\Zcj85[
* @return Returns the page. q~
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*/ A{J?I:
public Page getPage(){ ^)Awjj9
return page; Yl>Y.SO
} ;tVd+[8
m"/..&'GC
/** gaz",kK<
* @param content hnB`+!
* The content to set. 0)g]pG8&ro
*/ JDZuT#
public void setContent(List content){ 7gN;9pc$
this.content = content; pZopdEFDK|
} t0e5L{ QJ
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/** IqFcrU$4
* @param page 8y<.yfgG
* The page to set. 2t_g\Q
*/ ;$zvm`|:
publicvoid setPage(Page page){ .Z'NH
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this.page = page; \wsVO"/
} 2wB*c9~
} %L-qAI&V
/CO=!*7fz
L&)e}"
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mj e9i
2. 编写业务逻辑接口,并实现它(UserManager, s|A[HQUtJ
e+-#/i*
UserManagerImpl) 6q8}8;STTY
java代码: IB|6\uKn
DJ<+" .v!
.O'~s/h
/*Created on 2005-7-15*/ aT IzfqCM
package com.adt.service; Nv.
(wq8[1Wzup
import net.sf.hibernate.HibernateException; #<"od '{U
n
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import org.flyware.util.page.Page; 035jU '
keRLai7h
import com.adt.bo.Result; Y)F(-H)
\ui'~n_t]
/** RHn3\N
* @author Joa *(1<J2j
*/ ]
&" `
publicinterface UserManager { }(!Uq
; 8DtnnE
public Result listUser(Page page)throws BRM `/s
{g1"{
HibernateException; yUJ#LDW
anpKWa
} g$#A'Du
~mt{j7
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,)*[Xa_n
java代码: )uOtQ0
#GlFm?/6K/
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/*Created on 2005-7-15*/ \9OKf|#j
package com.adt.service.impl; \RR`
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import java.util.List; -r<8mL:yW
$Ugc:L<h+
import net.sf.hibernate.HibernateException; 467"pqT
UakVmVN/P
import org.flyware.util.page.Page; C=r`\W
import org.flyware.util.page.PageUtil; h7fytO
|3E|VGm~
import com.adt.bo.Result; DoFe:+_U3
import com.adt.dao.UserDAO; Z]Udx
import com.adt.exception.ObjectNotFoundException; *,CJ 3<>
import com.adt.service.UserManager; )@I] Rk?
+C7E]0!r
/** pXl qE,
* @author Joa N atC}k
*/ v5\ALWy+p
publicclass UserManagerImpl implements UserManager { GB}\ 7a
HAI)+J
private UserDAO userDAO; %vy,A*
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/** aW dI
* @param userDAO The userDAO to set. lJ= EP.T
*/ /cx'(AT
publicvoid setUserDAO(UserDAO userDAO){ =>c0NT
this.userDAO = userDAO; GqsV6kH
} `3ha~+Goo!
Ew{*)r)m
/* (non-Javadoc) *&Iv Eu
* @see com.adt.service.UserManager#listUser /D^ g"
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(org.flyware.util.page.Page) F%$ q]J[
*/ K<::M3eQ
public Result listUser(Page page)throws 1+-Go}I
Kgi`@`
HibernateException, ObjectNotFoundException { t^K Qv~
int totalRecords = userDAO.getUserCount(); FO[ s;dmzu
if(totalRecords == 0) ,N,@9p
throw new ObjectNotFoundException @.a59kP8X
cSB_b.@"1
("userNotExist"); r vq{Dfo=
page = PageUtil.createPage(page, totalRecords); V6d,}Z+"z'
List users = userDAO.getUserByPage(page); >f Hu
returnnew Result(page, users); 6l2O>V
} QQN6\(;-
Wd!Z`,R
} $PRd'YdL/
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/*fx`0mY)
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