Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 d~-Cr-s4
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 Rr/sxR|0_
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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 W.t`
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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 UL
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分页支持类: Gh #$[5&`
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java代码: %RF9R"t$
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package com.javaeye.common.util; !E+. (
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import java.util.List; TUV&9wKXo
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publicclass PaginationSupport { Nn%[J+F
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publicfinalstaticint PAGESIZE = 30; r#CQCq
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privateint pageSize = PAGESIZE; }b5If7
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privateList items; c8cPGm#i
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privateint totalCount; 4)XZ'~|
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privateint[] indexes = newint[0]; 93aRWEu3
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privateint startIndex = 0; A/zZ%h
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public PaginationSupport(List items, int O!7v&$]1
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totalCount){ 1D/9lR,
setPageSize(PAGESIZE); Y"RjMyQh
setTotalCount(totalCount); ,XJ
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setItems(items); IY='tw
setStartIndex(0); O4mSr{HCp
} Fuuy_+p@G
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public PaginationSupport(List items, int @{|vW
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totalCount, int startIndex){ B]o5HA<k
setPageSize(PAGESIZE); 2#y!(D8
setTotalCount(totalCount); "DniDA
setItems(items); <FfdOK_
setStartIndex(startIndex); I#m0n%-[
} XAb!hc
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public PaginationSupport(List items, int ^-yEb\\i
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totalCount, int pageSize, int startIndex){ tXgsWG?v[H
setPageSize(pageSize); 3{wmKo|_X
setTotalCount(totalCount); XsVp7zk\
setItems(items); <lBY
setStartIndex(startIndex); -t:~d:
} GV1SKa
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publicList getItems(){ 6/Pw'4H9$
return items; hrRkam !y
} +l "z
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publicvoid setItems(List items){ OcBKn=8
this.items = items; |H LU5=Y
} xKl!{A9$w
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publicint getPageSize(){ ,o3{?o]s
return pageSize; >*hY1@N1
} X<OOgC
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publicvoid setPageSize(int pageSize){ *C(/2
this.pageSize = pageSize; gW[(gf.oo
} k{?Pgf27
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publicint getTotalCount(){ 9F&s9(=\
return totalCount; p%8v+9+h2
} h*2NFL~#
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publicvoid setTotalCount(int totalCount){ xMdbS4 &!
if(totalCount > 0){ (H\)BS7#R
this.totalCount = totalCount; Y2)2
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int count = totalCount / U49#?^?
Y]ZNAR
pageSize; Vl0
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if(totalCount % pageSize > 0) ac-R q.GQY
count++; m,,FNYW
indexes = newint[count]; YhVV~bvz*
for(int i = 0; i < count; i++){ <)vjoRv
indexes = pageSize * ]%RX\~Q.4
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} |)7dh B
}else{ /n9yv
this.totalCount = 0; zj ?^,\{A
} Y_H|Fl^
} QL<uQ`>(
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publicint[] getIndexes(){ Q9UBxpDV:
return indexes; :2qUel\PEC
} -27uh
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publicvoid setIndexes(int[] indexes){ VeJM=s.y7
this.indexes = indexes; w}OJ2^
} ~(BvIzzD
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publicint getStartIndex(){ !yo/ F&6
return startIndex; 'g4t !__
} 1qR[&=/
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publicvoid setStartIndex(int startIndex){ M:!Twz$
if(totalCount <= 0) @435K'!
this.startIndex = 0; 4!Cu>8B
elseif(startIndex >= totalCount) L=7U#Q/DE
this.startIndex = indexes $qoh0$
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[indexes.length - 1]; jK[~dY
elseif(startIndex < 0) %|6t\[gn
this.startIndex = 0; :f~[tox
else{ *@XJ7G[
this.startIndex = indexes =`8%qh
Z#+{ksU
[startIndex / pageSize]; lHV&8fny
} rj.]M6#
} |
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publicint getNextIndex(){ ] Q 'Ed
int nextIndex = getStartIndex() + 7 +RsZu
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pageSize;
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if(nextIndex >= totalCount) .=j]PckJO
return getStartIndex(); y%y F34
else 7rc6
return nextIndex; 4QK~qAi
} 986y\9Zu
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publicint getPreviousIndex(){ 3$.R=MQ7
int previousIndex = getStartIndex() - }mz6z<pJ_
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pageSize; k *a?Ey$
if(previousIndex < 0) e~Oge
return0; M@G <I]\
else ^yO+-A2zC
return previousIndex; wkO8
} Fp)+>oT
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} BCw5.@HK*
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抽象业务类 B,@<60u
java代码: (8[et m
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/** ` )9nBZ
* Created on 2005-7-12 L(p{>Ykcc
*/ H`js1b1n
package com.javaeye.common.business; d"E@e21
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import java.io.Serializable; @~4Q\^;NX
import java.util.List; e?Pzhha
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import org.hibernate.Criteria; Fk:yj 4'
import org.hibernate.HibernateException; %gF; A*
import org.hibernate.Session; 'T(7EL3$}
import org.hibernate.criterion.DetachedCriteria; !+&Rn\e%7
import org.hibernate.criterion.Projections; b(hnou S
import X~aD\%kC7
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org.springframework.orm.hibernate3.HibernateCallback; o\_@4hXf
import IZ<d~ [y
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org.springframework.orm.hibernate3.support.HibernateDaoS 7^{M:kYC!
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upport; Ueq*R(9>
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import com.javaeye.common.util.PaginationSupport; g]'RwI
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public abstract class AbstractManager extends TRQ@=.
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HibernateDaoSupport { :8}iZ.
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privateboolean cacheQueries = false; X[Lwx.Ly8
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privateString queryCacheRegion; ]et4B+=i
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publicvoid setCacheQueries(boolean d?j_L`?+
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cacheQueries){ -`z`K08sT
this.cacheQueries = cacheQueries; Ca: jN0
} Tgpf0(
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publicvoid setQueryCacheRegion(String V3<baxdE
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queryCacheRegion){ ogcEv>0
this.queryCacheRegion = !"*!du28jo
=")}wl=s
queryCacheRegion; ]K]$FX<f
} &WSxg&YG)\
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publicvoid save(finalObject entity){
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getHibernateTemplate().save(entity); ;Up'+[Vj'C
} ~m
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publicvoid persist(finalObject entity){ A]fN~PR
getHibernateTemplate().save(entity); }gk37_}X\I
} l8I`%bu
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publicvoid update(finalObject entity){ YCJ6an
getHibernateTemplate().update(entity); rJ
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} ^CIO,I
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publicvoid delete(finalObject entity){ 8|>$M
getHibernateTemplate().delete(entity); :r?gD2q
} H%,jB<-.A
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publicObject load(finalClass entity, L5%t.7B
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finalSerializable id){ gy|L!_1Z8
return getHibernateTemplate().load QXXB>gOY5
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(entity, id); 1Sk=;Bic
} l(-We.:(
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publicObject get(finalClass entity, "O{_LOJ
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finalSerializable id){ hE|Z~5\Y,>
return getHibernateTemplate().get p.{M s n
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(entity, id); h28")c.pH=
} gyqM&5b
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publicList findAll(finalClass entity){ .\r=1HZ3
return getHibernateTemplate().find("from 9FB[`}
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" + entity.getName()); 'H"wu
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} ?hpT"N,hF9
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publicList findByNamedQuery(finalString yc4?'k!
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namedQuery){ 2TH13k$
return getHibernateTemplate >FO4]
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().findByNamedQuery(namedQuery); =oN(1k^
} 2K^D%U
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publicList findByNamedQuery(finalString query, W[pOLc-
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finalObject parameter){ ]_Cm 5Z7
return getHibernateTemplate Y7WxV>E
gN2$;hb?
().findByNamedQuery(query, parameter); \Wdl1 =`
} do {E39
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publicList findByNamedQuery(finalString query, !Zowe*`
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finalObject[] parameters){ C$"N)6%q
return getHibernateTemplate RJpH1XQ
j
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().findByNamedQuery(query, parameters); "I[a]T}/
} ^$8@B]*
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publicList find(finalString query){ j-l#n&M
return getHibernateTemplate().find MQs!+Z"m>
;^XF;zpg
(query); t=,ZR}M1`
} b3/@$x<
#@ClhpLD
publicList find(finalString query, finalObject ]><K8N3Z
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parameter){ F52%og~N
return getHibernateTemplate().find Hrjry$t/J
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(query, parameter); ,;3bPjey
} QO1pwrX<
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public PaginationSupport findPageByCriteria #&V7CYJ
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Q!
(final DetachedCriteria detachedCriteria){ mS\gh)<h
return findPageByCriteria LtIR)EtB]
:;Lt~:0b~
(detachedCriteria, PaginationSupport.PAGESIZE, 0); CbvP1*1
} v'Y0|9c
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public PaginationSupport findPageByCriteria Ro}7ERA
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(final DetachedCriteria detachedCriteria, finalint +8<|P&fH
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startIndex){ ^T?zR7r
return findPageByCriteria KT5amct
lN(|EI
(detachedCriteria, PaginationSupport.PAGESIZE, 4*AkUkP:T
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startIndex); BlLK6"gJT
} .<m${yU{3
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public PaginationSupport findPageByCriteria !.2tv
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(final DetachedCriteria detachedCriteria, finalint L3/SIoqd
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pageSize, _4#Mdnh}[
finalint startIndex){ AvmI<U
return(PaginationSupport) 'hoEdJ]t5
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getHibernateTemplate().execute(new HibernateCallback(){ `EXo =Dqc
publicObject doInHibernate f|v5itO2
COc,
(Session session)throws HibernateException { CXQ +h
Criteria criteria = 5dvP~sw
>(?}'pS8
detachedCriteria.getExecutableCriteria(session); !W\za0p
int totalCount = V=i/cI\
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((Integer) criteria.setProjection(Projections.rowCount w"Q/ 6#!K
1"\^@qRv#
()).uniqueResult()).intValue(); 9QXBz=Fnf
criteria.setProjection +YJpVxYmZ
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(null); BvnNAi
List items = ;L*Ku'6Mt
+$uQ_ve
criteria.setFirstResult(startIndex).setMaxResults .4[\%r\i
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(pageSize).list(); '?Jz8iu-
PaginationSupport ps = Z|#G+$"QV
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new PaginationSupport(items, totalCount, pageSize, euMJ c
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startIndex); 3wYhDxY1
return ps; g[c_rty
} |j2$G~B6
}, true);
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} }R9>1u}6
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public List findAllByCriteria(final g1H$wU3eu
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DetachedCriteria detachedCriteria){ v:IpZ;^
return(List) getHibernateTemplate iW?z2%#
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().execute(new HibernateCallback(){ )KdEl9 o
publicObject doInHibernate .)g7s? K
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(Session session)throws HibernateException { T5_/*`F
Criteria criteria = mgd)wZNV
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detachedCriteria.getExecutableCriteria(session); _'mK=`>u
return criteria.list(); WvoJ^{\4N*
} R:5uZAx
}, true); 6/dP)"a('
} q/h, jM
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public int getCountByCriteria(final ?mp}_x#=
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DetachedCriteria detachedCriteria){ )p`zN=t
Integer count = (Integer) `C&@6{L
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getHibernateTemplate().execute(new HibernateCallback(){ jmBsPSGIC
publicObject doInHibernate ?APCDZ^
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(Session session)throws HibernateException { 4T>d%Tt+)
Criteria criteria = hnnVp_<]
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detachedCriteria.getExecutableCriteria(session); oFi_
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return [9C{\t
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criteria.setProjection(Projections.rowCount 8U)*kmq
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()).uniqueResult(); e9;5.m
} j,79G^/YG
}, true); Tr.u'b(
return count.intValue(); mhgvN-? "h
} WB.w3w[f
} ZK4d;oa",
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用户在web层构造查询条件detachedCriteria,和可选的 SUb:0GUa
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 NtG^t}V
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PaginationSupport的实例ps。 #G]g
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ps.getItems()得到已分页好的结果集 -`CE;
ps.getIndexes()得到分页索引的数组 {%D4%X<
ps.getTotalCount()得到总结果数 IP!`;?T=
ps.getStartIndex()当前分页索引 W.(Q
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ps.getNextIndex()下一页索引 > ofWHl[-
ps.getPreviousIndex()上一页索引 WS.lDMYE7
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 f_z]kA
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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 Y;{(?0
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一下代码重构了。 $#-O^0D
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我把原本我的做法也提供出来供大家讨论吧: avY<~-44B
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首先,为了实现分页查询,我封装了一个Page类: {XH3zMk[
java代码: J|u_45<
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/*Created on 2005-4-14*/ pwVaSnre`
package org.flyware.util.page; -#Jp@6'k%
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/** G4^6o[ x
* @author Joa i|xC#hV
* !
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*/ |qf ef&
publicclass Page { GK[9Cm"v
pHKc9VC
/** imply if the page has previous page */ OCu/w1bc
privateboolean hasPrePage; g f<vQb|
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/** imply if the page has next page */ 1 fTf+P
privateboolean hasNextPage; 6J <.i
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/** the number of every page */ tu^C<MV
privateint everyPage; G%>{Z?!B
t;}`~B
/** the total page number */ jt0f*eYE8
privateint totalPage; Pp.]/;
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/** the number of current page */ Q>I7.c-M|
privateint currentPage; SM4'3d&mf
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/** the begin index of the records by the current K.Y.K$NjP{
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query */ mM'uRhO+
privateint beginIndex; mZ g'
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/** The default constructor */ -ZoAbp$
public Page(){ UlPhW~F)
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} Zd]ua_)I%[
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/** construct the page by everyPage )O8w'4P5
* @param everyPage -0+h&CO
* */ 63VgQ
public Page(int everyPage){ IeAi '
this.everyPage = everyPage; p:
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} l4YTR4D
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/** The whole constructor */ y
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public Page(boolean hasPrePage, boolean hasNextPage, H-3*},9
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)BZ6QO`5n
int everyPage, int totalPage, sY* qf=
int currentPage, int beginIndex){ h#Z~x
this.hasPrePage = hasPrePage; cvC 7#i[G
this.hasNextPage = hasNextPage; zd=N.
this.everyPage = everyPage; esd9N'.Q*
this.totalPage = totalPage; e
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this.currentPage = currentPage; \"9ysePI
this.beginIndex = beginIndex; CYdYa|
} C?]+(P
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/** s14ot80)
* @return 5}2148
* Returns the beginIndex. YoSBS
*/ u179!
publicint getBeginIndex(){ 2tS,q_-=
return beginIndex; >+@EU)
} 6 )lWuY]e
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/** #e[igxwi
* @param beginIndex Jm 1n|f
* The beginIndex to set. HMw}pp:
*/ w$aejz`[
publicvoid setBeginIndex(int beginIndex){ lr=quWDY
this.beginIndex = beginIndex;
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} 7! ~)a
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/** p+CK+m
* @return !gi3J @
* Returns the currentPage. d!y_N&z|(
*/ 8Rnq
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publicint getCurrentPage(){ QEP|%$:i
return currentPage; Kc`#~-`,(
} k)agbx
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/** of>H&G)@
* @param currentPage A`V:r2hnb
* The currentPage to set. ~n%]u! 6
*/ 4
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publicvoid setCurrentPage(int currentPage){ h5lngw
this.currentPage = currentPage; #KDN
} tdNAR|
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/** {*X|)nr
* @return < fYcON
* Returns the everyPage. fz rH}^
*/ # (-?i\i
publicint getEveryPage(){ oTveY
return everyPage; ;oOv~YB7H
} 0+k=gO
vkLyGb7r<
/** +<)H2
* @param everyPage gyobq'o-
* The everyPage to set. Dk}txw}#
*/ 5KW
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publicvoid setEveryPage(int everyPage){ 6>[J^k%~w)
this.everyPage = everyPage; CIQ9dx7>
} \cQ+9e)
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/** y27MG
* @return +u3vKzD
* Returns the hasNextPage. pz]KUQ
*/ @1V?94T1
publicboolean getHasNextPage(){ }BiA@n,
return hasNextPage; d6A+pa'2
} k"+/DK,:
*enT2Q
/**
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* @param hasNextPage @e+qe9A|
* The hasNextPage to set. 8|Wl|@1(
*/ $HAwd6NI
publicvoid setHasNextPage(boolean hasNextPage){ tY60~@YO&
this.hasNextPage = hasNextPage; aL/7xa
} 6G:7r [
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/** $Q`\-
* @return VW:Voc
* Returns the hasPrePage. >|hqt8lY
*/ 2lxA/.f
publicboolean getHasPrePage(){ Rc}#4pM8
return hasPrePage; 3#idXc
} G$jw#a[L
gh%Q9Ni-
/** T8Ye+eP}
* @param hasPrePage q]v{o8:U
* The hasPrePage to set. o3.b='HAm
*/ 87hU#nVYh
publicvoid setHasPrePage(boolean hasPrePage){ Xliw(B'\a4
this.hasPrePage = hasPrePage; u9{Z*w3L7
} 2Iq*7n:v0
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/** }KV)F,`
* @return Returns the totalPage. `LJ.NY pP
* cLIeo{H
*/ _
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publicint getTotalPage(){ ^NrC8,p
return totalPage; z[0t%]7l
} ($[@'?Z1
_:G>bU/^
/** Wbi12{C
* @param totalPage 7qg. :h
* The totalPage to set. 6g"qwWZp
*/ <4*)J9V^s=
publicvoid setTotalPage(int totalPage){ dbfI!4
this.totalPage = totalPage; Cp#}x1{
} PBAQ
KQ
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} M"8?XD%
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上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 hD7Lgi-N)W
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个PageUtil,负责对Page对象进行构造: p:Zhg{sF
java代码: u7
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/*Created on 2005-4-14*/ V4|l7
package org.flyware.util.page; IKnXtydeI}
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import org.apache.commons.logging.Log; t8Giv89{
import org.apache.commons.logging.LogFactory; 3EyVoS6D
m"vWu0/#
/** BSg3
* @author Joa :BUr8%l
* ExSy/^4f
*/ _@sSVh$+
publicclass PageUtil { 27UnH: =
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privatestaticfinal Log logger = LogFactory.getLog 6{2 9cX.
\C`2z]V%
(PageUtil.class); 8o,"G}Hjk
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/** `YK#m4gc
* Use the origin page to create a new page *"j3x}
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* @param page Oy yE0
* @param totalRecords ?I 7hbqQd
* @return C oO0~q
*/ Ml+O -
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publicstatic Page createPage(Page page, int 't3nh
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totalRecords){ h\*I*I8C
return createPage(page.getEveryPage(), }z_7?dn/
qa5 T(:8
page.getCurrentPage(), totalRecords); |$c~Jq
} #mc6;TRZO
4z,n:>oH
/** +qmV|$rmM
* the basic page utils not including exception j.UO>1{7
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handler mA6Nmq%{ F
* @param everyPage incUa;
* @param currentPage ASaNac-3
* @param totalRecords tN&X1
* @return page "ax"k0
*/ <*DP G\6Ma
publicstatic Page createPage(int everyPage, int !{ /AJb
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currentPage, int totalRecords){ e `Tssa+
everyPage = getEveryPage(everyPage); O+o_{t\R
currentPage = getCurrentPage(currentPage); ~Q5
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int beginIndex = getBeginIndex(everyPage, 8[H)tKf8
/@]@Tz@'
currentPage); pAc "Wo(Q
int totalPage = getTotalPage(everyPage, GD
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rTM0[2N
totalRecords); o`\@Yq$.
boolean hasNextPage = hasNextPage(currentPage, (?~*.g!
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totalPage); A]OVmw
boolean hasPrePage = hasPrePage(currentPage); *@[+C~U
"$|ne[b2
returnnew Page(hasPrePage, hasNextPage, /w:~!3Aj0+
everyPage, totalPage, SgY\h{{sP
currentPage, [HQ Bx`3TS
yx/.4DW1Ua
beginIndex); 2R`}}4<Z
} s%t =*+L\
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privatestaticint getEveryPage(int everyPage){ NU!B|l
return everyPage == 0 ? 10 : everyPage; O:W4W=K
} d# q8-
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privatestaticint getCurrentPage(int currentPage){ ri1:q.:I]
return currentPage == 0 ? 1 : currentPage; TS;?>J-
} [^A>hs*
3Uni{Z]Q)
privatestaticint getBeginIndex(int everyPage, int fnudu0k
Q#*Pjl
currentPage){ $Z4IPs
return(currentPage - 1) * everyPage; =idZvD
} "6o5x&H
VHTr;(]hk
privatestaticint getTotalPage(int everyPage, int Ixv/xI
is}Y+^j.
totalRecords){
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int totalPage = 0; '1Q [&
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if(totalRecords % everyPage == 0) GYNLyd)
totalPage = totalRecords / everyPage; 1U~yu&
else
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totalPage = totalRecords / everyPage + 1 ; Ems0"e
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return totalPage; %R LGO&
} f2RIOL,
o:Q.XWa@MG
privatestaticboolean hasPrePage(int currentPage){ jd?NN:7
return currentPage == 1 ? false : true; {-)*.l=
} x>~.cey
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privatestaticboolean hasNextPage(int currentPage, y`.m'n7>P
^ ]CQd
int totalPage){ dLy-J1h\
return currentPage == totalPage || totalPage == [49Ae2W`
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0 ? false : true; \P7y&`|
} vP{;'R
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} lF.yQ
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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。 ,7|Wf
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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
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mL[Y{t#N
做法如下: *IBCThj
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 k>q}: J9V
e&J_uG
的信息,和一个结果集List: qI#ow_lL#
java代码: uV+.(sjH
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52d8EGC
/*Created on 2005-6-13*/ ZMI
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package com.adt.bo; N"rZK/@}
dt|f4XWF
import java.util.List; Q XV8][
qb1[-H
import org.flyware.util.page.Page; {kp^@
;f)o_:(JJ
/** E5F0C]hq
* @author Joa ![a~y`<K,
*/ B!zqvShF
publicclass Result { cJ!C=J
j: /cJt
private Page page; @%sr#YqY
1I -LGe[Q
private List content; +F3`?6UXz
hCKx%&[^7
/** JOm6Zc
* The default constructor J=C63YB
*/
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public Result(){ a#G]5TZ
super(); cPm-)/E)i
} S|?Ht61k
&b7i> ()
/** %1jApCJ
* The constructor using fields *.ZU" 5e
* aR~Od Ys
* @param page Oe[qfsdW
* @param content <OC|z3na_
*/ c/\$AJV.H
public Result(Page page, List content){ duk:: |{F
this.page = page; KGoHn6jM
this.content = content; l`A4)8Y@
} Lb}
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4]/i0\Vbam
/** Z2x%
* @return Returns the content. :u$+lq
*/ XTOZ]H*^
publicList getContent(){ x3++JG
return content; bR;Zc
} +)gXU Vwd
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/** /P3s.-sL
* @return Returns the page. .6D9m.Q,
*/ }lzN)e
public Page getPage(){ ~1yMw.04V
return page; !(wH}ti
} tSvklI
U.B=%S
/** {k}EWV
* @param content j$8i!C
* The content to set. q
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*/ Y4B<]C4
public void setContent(List content){ J|BZ{T}d
this.content = content; VF<C#I
} 6(X5n5C
>.-$?2
/** t9Nu4yl
* @param page *(4TasQu
* The page to set. Y/1,%8n
*/ o-D,K dY
publicvoid setPage(Page page){ A|esVUo<3^
this.page = page; 9IRvbE~2
} _\tGmME37
} GK/Q]}Q8pZ
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sz
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<XHS@|
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2. 编写业务逻辑接口,并实现它(UserManager, h1 D#,
(BA2
UserManagerImpl) ;|Z;YK@20
java代码: dTV:/QM
K~# wvUb
p~sfd
/*Created on 2005-7-15*/ ~',}]_'oR-
package com.adt.service; I'[hvp
z]YP
import net.sf.hibernate.HibernateException; zTa>MzH1-;
5w#*JK
import org.flyware.util.page.Page; B~u_zZE
DJ9;{,gm
import com.adt.bo.Result; _0rHxh7}q
P~+?:buqc
/** _uO#0
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* @author Joa |@-%x.y
*/ i~IQlyGr.
publicinterface UserManager { >Ufjmm${
;
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public Result listUser(Page page)throws W].P(A>m
,Dz2cR6
HibernateException; #c0
dZ
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} 4R U1tWQ%
8O]U&A@
4nhe *ip
t|X |67W
sJlX]\RLQ
java代码: mF>CH]k3
k"P2J}4eO
F$K-Q;r]<
/*Created on 2005-7-15*/ Z w5\{Z0
package com.adt.service.impl; Or9@ X=C
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import java.util.List; f$E66yG
OU(z};Is6Z
import net.sf.hibernate.HibernateException; ?CS
jn
?;,Al`/^
import org.flyware.util.page.Page; '^l/e: (H3
import org.flyware.util.page.PageUtil; ]k mOX
k"SmbFn%N0
import com.adt.bo.Result; bH41#B
import com.adt.dao.UserDAO; oPNYCE
import com.adt.exception.ObjectNotFoundException; y0qE::/H$
import com.adt.service.UserManager; xaerMr
a{h(BI^~
/** #^Dc:1,
* @author Joa xQ7n$.?y@
*/ K]bS:[34 R
publicclass UserManagerImpl implements UserManager { 3D~Fu8Hg1
~MY(6P
private UserDAO userDAO; B-[SUmHr
s\&_Kbw]c
/** W4CI=94
* @param userDAO The userDAO to set. $/C<^}A
*/ 71tMX[x
publicvoid setUserDAO(UserDAO userDAO){ JLAg-j2
this.userDAO = userDAO; #{0DpSzE5
} 81_3{OrE<
Vk_*]wU
/* (non-Javadoc) |Z;wk&
* @see com.adt.service.UserManager#listUser $EJ*x$
B>?Y("E
(org.flyware.util.page.Page) &Jj> jCg
*/ Hcd> \0
public Result listUser(Page page)throws i&,U);T
~,e!t.339
HibernateException, ObjectNotFoundException { P&aH6*p1
int totalRecords = userDAO.getUserCount(); >*} qGk
if(totalRecords == 0) 3i(k6)H$4
throw new ObjectNotFoundException MatC2-aV1
BHmA*3?
("userNotExist"); W7A'5
page = PageUtil.createPage(page, totalRecords); 4Sg!NPuu7&
List users = userDAO.getUserByPage(page); l7{hq}@;cC
returnnew Result(page, users); +>qBK}`
} "tIf$z
savz>E&
} FA^x|C =$
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