Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 G;^iwxzhO
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 W"2\vo)
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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 n&Al~-Q:^
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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 opIcSm&
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。 $OUa3!U_!
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分页支持类: QOP*vH >J
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java代码: HSUr
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package com.javaeye.common.util; &FK=w]P
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import java.util.List; 3^fZUldf
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publicclass PaginationSupport { ,:v}gS?Uq
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publicfinalstaticint PAGESIZE = 30; t4JGd)r
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privateint pageSize = PAGESIZE; prm
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privateList items; <<A@69"4n
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privateint totalCount; s0`uSQ2X
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privateint[] indexes = newint[0]; oZ8SEC"]
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privateint startIndex = 0; xQD#;
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public PaginationSupport(List items, int ~M\s!!t3
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totalCount){ ck@[% ?
setPageSize(PAGESIZE); PNKmI
setTotalCount(totalCount); 5q)Eed
setItems(items); {<]abO
setStartIndex(0); :WxMv~e{U
} KS|$_-7u
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public PaginationSupport(List items, int <e=0J8V8,i
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totalCount, int startIndex){ _{b a
setPageSize(PAGESIZE); |_ @iaLE
setTotalCount(totalCount); gVD!.
setItems(items); $Z(zO;k.
setStartIndex(startIndex); r*3;gyG.,#
} bk7miRIB
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public PaginationSupport(List items, int F(w>lWs;
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totalCount, int pageSize, int startIndex){ 6iTDk
setPageSize(pageSize); Fj5^_2MU:
setTotalCount(totalCount); 97BL%_^k
setItems(items); SEuj=Vie#
setStartIndex(startIndex); O/<jt'
} V]<dh|x
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publicList getItems(){ =uvv|@Z
return items; J
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} \Js9U|lY
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publicvoid setItems(List items){ $DQ
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this.items = items; gz88$BT
} HD`%Ma
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*;}! WDr
publicint getPageSize(){ '}OrFN
return pageSize; ;WzT"yW)T
} `hfwZ*s
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publicvoid setPageSize(int pageSize){ ]xS< \{og
this.pageSize = pageSize; b&e?
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} Wm\f:|U5`
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publicint getTotalCount(){ ())|x[>JS+
return totalCount; oZ=e/\[K
} +&t{IP(?
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publicvoid setTotalCount(int totalCount){ 2T|L##C
if(totalCount > 0){ Fdzd!r1 v
this.totalCount = totalCount; #._!.P
int count = totalCount / ybB}|4d&
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pageSize; cg$~.ytPK
if(totalCount % pageSize > 0) C{'c_wX
count++; q)%C|
indexes = newint[count]; /TB_4{
for(int i = 0; i < count; i++){ :4;>).
indexes = pageSize * g3qtWS
^ ]B&7\w"t
i; Ii
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} ;;U2I5 M7
}else{ 2AlLcfAW
this.totalCount = 0; cAL&>T
} m\VJ=
} 3O] e
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publicint[] getIndexes(){ bc 0|tJc
return indexes; ~\Ynih
} &B3kzs
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publicvoid setIndexes(int[] indexes){ SGbo|Xe7:
this.indexes = indexes; 3Fr}8Dy
} Pjx9@i
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publicint getStartIndex(){ 4RzG3CJdS
return startIndex; sC}/?^q
} -OziUM1qs
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publicvoid setStartIndex(int startIndex){ )pzXC
if(totalCount <= 0) &556 ;l
this.startIndex = 0; ilNm\fQ.
elseif(startIndex >= totalCount) ~PV>3c3l=
this.startIndex = indexes }%:?s6Ler
vWgh?h/ot
[indexes.length - 1]; hR?rZUl2M
elseif(startIndex < 0) <fyv^e
this.startIndex = 0; tG{Vn +~/
else{ 36j.is
this.startIndex = indexes QzS{2Y[OQ
co*5NM^
[startIndex / pageSize]; k%LE"Q
} X~j
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} 7/~"\nN:/
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publicint getNextIndex(){ !KF;Z|_(I
int nextIndex = getStartIndex() + -Zw"o>
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pageSize; Ea3tF0{
if(nextIndex >= totalCount) G{s ,Y^
return getStartIndex(); $4?%Z>'
else ;1y\!f3#V~
return nextIndex; z,NHH):~
} wbpxJtJB
tC&y3!k2jR
publicint getPreviousIndex(){ wUSWB{y
int previousIndex = getStartIndex() - }M1<a4~
7>4t{aRf_8
pageSize; ](W#Tj5-
if(previousIndex < 0) Xau.4&\d
return0; *]EcjK%
else TLkkB09fvk
return previousIndex; f8n'9HOw>
} zb3ir|
g-]td8}#
} kiECJ@5p
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抽象业务类 ES+&e/G"ds
java代码: @.gCeMlOf
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/** a@X'oV`(2b
* Created on 2005-7-12 Kzmgy14o
*/ |n~v_V2.0
package com.javaeye.common.business; TX
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import java.io.Serializable; eFx*lYjA
import java.util.List; k{;:KW|
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import org.hibernate.Criteria; ^a]i&o[c
import org.hibernate.HibernateException; {wm
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import org.hibernate.Session; ZzE&?
import org.hibernate.criterion.DetachedCriteria; oNdO@i%.q4
import org.hibernate.criterion.Projections; H4pjtVBr
import 9#agI|d~
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org.springframework.orm.hibernate3.HibernateCallback; n[clYi@e
import Fl
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org.springframework.orm.hibernate3.support.HibernateDaoS $~j]/ U
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upport; HsXFglQ
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import com.javaeye.common.util.PaginationSupport; 0 Hq$h
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public abstract class AbstractManager extends kfHLjr.
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HibernateDaoSupport { _6|b0*jv'&
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privateboolean cacheQueries = false; ;xRyONt
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privateString queryCacheRegion; d
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publicvoid setCacheQueries(boolean kn<[v;+
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cacheQueries){ =*'`\}];"
this.cacheQueries = cacheQueries; M\GS&K$lq
} $pD^O!I)?
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publicvoid setQueryCacheRegion(String q80?C.,`
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queryCacheRegion){ 8?(4E 'vf
this.queryCacheRegion = }{ P}P}
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queryCacheRegion; +uH1rF_&@
} H<>x_}&
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publicvoid save(finalObject entity){ 2{%BQq>C
getHibernateTemplate().save(entity); 3sL#_@+yz
} [~;9Mi.XL
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publicvoid persist(finalObject entity){ -@QLE}~k[
getHibernateTemplate().save(entity); ^WRr "3
} QTDI^ZeuF
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publicvoid update(finalObject entity){ +Gjy%JFp
getHibernateTemplate().update(entity); &2g1Oy~
} D]0#A|nF
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publicvoid delete(finalObject entity){ \;sUJr"$
getHibernateTemplate().delete(entity); ]__M*
} rzex"}/ly
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publicObject load(finalClass entity, Axcm~!uf
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finalSerializable id){ ;\H2U.
return getHibernateTemplate().load -W oZwqh
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(entity, id); &^Xm4r%u_
} 4}0s^>R
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publicObject get(finalClass entity, 0)nU[CY
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finalSerializable id){ +Oxl1fDf
return getHibernateTemplate().get APF-*/K?
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(entity, id); @Pa ;h
} FPu,sz8
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publicList findAll(finalClass entity){ [#.QDe
return getHibernateTemplate().find("from .NPai4V'
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" + entity.getName()); j#Y8h5r
} N".
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publicList findByNamedQuery(finalString i
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namedQuery){ , n+dB2\
return getHibernateTemplate 8J@REP4
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().findByNamedQuery(namedQuery); ~< k'{
} 8J>s|MZ
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publicList findByNamedQuery(finalString query, 3n,F5?!m
t<Og?m}(
finalObject parameter){ h-6kf:XP%
return getHibernateTemplate -f'z_&KI
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().findByNamedQuery(query, parameter); 9iGJYMWf
} H*!E*_
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publicList findByNamedQuery(finalString query, -ERDW Y
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finalObject[] parameters){ HtXzMSGo7
return getHibernateTemplate $cYh X^YG.
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().findByNamedQuery(query, parameters); VkUMMq{
} 6 s*#y[$
D VC};
publicList find(finalString query){ uu'~[SZlL
return getHibernateTemplate().find n}YRE`>D
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(query); 7q(RQQp
} k/*r2 C
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publicList find(finalString query, finalObject Of-l<Ks\
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parameter){ oo<,hOv
return getHibernateTemplate().find Bl(we/r
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(query, parameter); Qxt,@<IK
} `Up3p24
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public PaginationSupport findPageByCriteria tLLP2^_&
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(final DetachedCriteria detachedCriteria){ _O)~<Sk-*z
return findPageByCriteria yV_aza
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); Sl{]Z,
} 1*#64Y5F
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public PaginationSupport findPageByCriteria RtN5\
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(final DetachedCriteria detachedCriteria, finalint f7\$rx
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startIndex){ <&Y7Q[
return findPageByCriteria 8I`>tY
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(detachedCriteria, PaginationSupport.PAGESIZE, 6>zO"9
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startIndex); PjDYdT[
} h>q&X4-
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public PaginationSupport findPageByCriteria XZ}]H_, n
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(final DetachedCriteria detachedCriteria, finalint +AO(e
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pageSize, 3N[t2Y1r
finalint startIndex){ HW)> `
return(PaginationSupport) pFx7URZA
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getHibernateTemplate().execute(new HibernateCallback(){ >6KuZ_
publicObject doInHibernate 7gNJ}pLDx
x} {/) ?vC
(Session session)throws HibernateException { 8.bdN]zn
Criteria criteria = P|l62!m<
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detachedCriteria.getExecutableCriteria(session); j!F5gP-l
int totalCount = [}|x@
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((Integer) criteria.setProjection(Projections.rowCount nd}[X[ay
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()).uniqueResult()).intValue(); =#
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criteria.setProjection tDJts OL
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(null); f,9 /Yg_
List items = jZx.MBVy]
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criteria.setFirstResult(startIndex).setMaxResults Uf4A9$R.G
>^=upf/
(pageSize).list(); *2P%731n5
PaginationSupport ps = \oA>%+]5
&s-iie$"@x
new PaginationSupport(items, totalCount, pageSize, !:]CKbG
&@<Z7))
startIndex); +`}QIp0
return ps; ibAZ=RD
} =^\yE"a
}, true); H65><38X/
} Vsw]v
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public List findAllByCriteria(final e ?sMOBPlv
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DetachedCriteria detachedCriteria){ MVP|l_2!
return(List) getHibernateTemplate _Wg?H:\
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().execute(new HibernateCallback(){ 3CcCcZ9I
publicObject doInHibernate h}0}g]IUx
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(Session session)throws HibernateException { 2@~.FBby7@
Criteria criteria = !LJE o>D
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detachedCriteria.getExecutableCriteria(session); kD;1+lNz
return criteria.list(); wIQ~a
} _@2}zT
}, true); !>RDHu2n
} 71b0MHNkvv
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public int getCountByCriteria(final aG_@--=
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DetachedCriteria detachedCriteria){ Zaime
Integer count = (Integer) ,=>Ws:j
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getHibernateTemplate().execute(new HibernateCallback(){ ` `mnk>/
publicObject doInHibernate K-,4eq!
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(Session session)throws HibernateException { J,(@1R]KF:
Criteria criteria = aW=c.Q.
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detachedCriteria.getExecutableCriteria(session); F+@/ "1c
return p>oC.[:4a
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criteria.setProjection(Projections.rowCount T3wQ Rn
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()).uniqueResult(); 76::X:76
}
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}, true); _+7+90u
return count.intValue(); 0Wkk$0h9
} (1IYOlG4
} #)r^ZA&E
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用户在web层构造查询条件detachedCriteria,和可选的 Yyx sj9
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 !\<
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PaginationSupport的实例ps。 dvAG}<
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ps.getItems()得到已分页好的结果集 @vZeye
ps.getIndexes()得到分页索引的数组 9epMw-)k
ps.getTotalCount()得到总结果数 cslZ;
ps.getStartIndex()当前分页索引 y#T.w0*
ps.getNextIndex()下一页索引 %<)!]8}P*
ps.getPreviousIndex()上一页索引 4bs<j
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 K/iFB
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 38GkV.e}$
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一下代码重构了。 TMsc5E
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我把原本我的做法也提供出来供大家讨论吧: <78*-Ob
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首先,为了实现分页查询,我封装了一个Page类: kzk8b?rOA
java代码: jn4|gQ
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/*Created on 2005-4-14*/ ^sKdN-{
package org.flyware.util.page; (_%l[:o 6
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/** 3,'LW}
* @author Joa qRSoF04!R
* N~uc%wOA
*/ S zNZY&8
f
publicclass Page { Bs`mzA54
?edf$-"z/
/** imply if the page has previous page */ p*j>s\
privateboolean hasPrePage; 0q4PhxR`e
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/** imply if the page has next page */ *sQ.y
{
privateboolean hasNextPage; GrUpATIx
P{LS +.
/** the number of every page */ 2 g\O/oz
privateint everyPage; fig~z=m
CNe(]HIOH
/** the total page number */ kQ]4Bo
privateint totalPage; |:.s6a# (
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/** the number of current page */ ~47 0LgpO1
privateint currentPage; **$kWbS
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/** the begin index of the records by the current >V?W_oM)
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query */ H:EK&$sU
privateint beginIndex; w&@zJ [
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/** The default constructor */ R$!]z(
public Page(){ [+d~He
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} W__Y^\~
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/** construct the page by everyPage g:O/~L0Xb
* @param everyPage r$v\ \^?2
* */ Wks zNh
public Page(int everyPage){ sSf;j,7V
this.everyPage = everyPage; 9OFH6-;6`\
} &.(iS
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/** The whole constructor */ JMk2OK{0
public Page(boolean hasPrePage, boolean hasNextPage, 8[.&ca/[
dt@~8kS
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int everyPage, int totalPage, k.7!)jL7
int currentPage, int beginIndex){ )Z/$;7]#
this.hasPrePage = hasPrePage; <"K2t
Tg.
this.hasNextPage = hasNextPage; n=)LB&
m
this.everyPage = everyPage; S|xwYaoy%
this.totalPage = totalPage; /Xj{]i3{
this.currentPage = currentPage; }.(DQwC}1k
this.beginIndex = beginIndex; z;?ztpa@
} CDF;cM"td
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/** '%ByFZzi
* @return EXF]y}n
* Returns the beginIndex. _xH<R
*/ QOgGL1)7-
publicint getBeginIndex(){ r@zs4N0WP
return beginIndex; H
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} ~+d{:WY
;jaugKf
/** [NJ2rQ/w7
* @param beginIndex IhBQ1,&J
* The beginIndex to set. ]8R@2L3s
*/ bHcBjk.\
publicvoid setBeginIndex(int beginIndex){ 1;KJUf[N
this.beginIndex = beginIndex; iITMBS`}
} :Jf</uP_
dGj0;3FI%
/** tK@7t0
* @return }D+ b`,
* Returns the currentPage. s?s,wdp
*/ $9j>oUG
publicint getCurrentPage(){ |Xm$O1Wa
return currentPage; S,C c0)j>
} JU;`c>8=)
@ ;@~=w
/** -T;^T1
* @param currentPage $a8,C\me?
* The currentPage to set. 3M(*q4A$"
*/ YD@Z}NE
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publicvoid setCurrentPage(int currentPage){ FZ RnIg
this.currentPage = currentPage; u Fw1%
} E<}sGzMc
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/** 8ki3>"!A
* @return 6;\1bP?
* Returns the everyPage.
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*/ YM#MfL#
publicint getEveryPage(){ wfe4b
return everyPage; w N`Njm9!
} ~\2%h
lA
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/** $=,pQ q
* @param everyPage vE8BB$D
* The everyPage to set. %~k>$(u6
*/ tl{{Vc[
publicvoid setEveryPage(int everyPage){ 1=5HQ~|[TO
this.everyPage = everyPage; Z9NND
} 3bXfR,U
Nd"IW${Kg
/** *!TQC6b$
* @return @%*2\8}C!
* Returns the hasNextPage. !s^XWsb8
*/ 2LR y/ah
publicboolean getHasNextPage(){ fVgN8b|&'
return hasNextPage; fzw:[z:%
} x:4R?!M.
7]{t^*
/** nSh~mP
* @param hasNextPage J_7@d]0R
* The hasNextPage to set. [&4+
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*/ '_V9FWDZ
publicvoid setHasNextPage(boolean hasNextPage){ lyFlJm i,r
this.hasNextPage = hasNextPage; ~OsLbz:
} V_, `?>O
iPV-w_HQ
/** &]LpGl
* @return Hc@_@G
* Returns the hasPrePage. 3uxf n=E
*/ %.u*nM7sos
publicboolean getHasPrePage(){ h~]e~u V
return hasPrePage; S[q:b
.
} $Zo|ta^
;]0d{
/** pnE]B0e
* @param hasPrePage M;b3-
i
* The hasPrePage to set. =H8FV09x}
*/ 4h_YVG]ur
publicvoid setHasPrePage(boolean hasPrePage){ #]5KWXC'~
this.hasPrePage = hasPrePage; q2J|koT
} N>YSXh`W`y
?;htK_E\*
/** J5F@<vi
* @return Returns the totalPage. DnJ `]r
* 'I+M*Iy
*/ Nu?A>Q
publicint getTotalPage(){ G1w$lc
return totalPage; LxGD=b
} kvbW^pl
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/** @VW1^{.do^
* @param totalPage AZ4?N.X?
* The totalPage to set. 7gV9m9 #
*/ -C(Yl=
publicvoid setTotalPage(int totalPage){ $:oC\K6
this.totalPage = totalPage; HfhI9f_ x
} =No#/_
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} L~)8Q(f
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#$ k1w@
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 Yb`b/BMR
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个PageUtil,负责对Page对象进行构造: U^GVz%\
java代码: z8'zH>
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/*Created on 2005-4-14*/ @v@F%JCZ
package org.flyware.util.page; e(a,nZF.
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import org.apache.commons.logging.Log; C P&u
import org.apache.commons.logging.LogFactory; lEwQj[ k
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/** GRYw_}Aa
* @author Joa ,{S $&g*
* "ldd&><
*/ 4v_Hh<%
publicclass PageUtil { ,aUbB8
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privatestaticfinal Log logger = LogFactory.getLog /3rNX}tOMH
2jC:uk
(PageUtil.class); ogQfzk
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/** u0arJU_.)
* Use the origin page to create a new page ]i6*$qgma
* @param page \ +sa[jK
* @param totalRecords ;A@DE@^5w
* @return F.aG7
*/ M_UmnqN1C
publicstatic Page createPage(Page page, int bri8o"
+aEm]=3
totalRecords){ &}Wi@;G]2
return createPage(page.getEveryPage(), 9M7P|Q
#yR&|*@
page.getCurrentPage(), totalRecords); s+fxv(,"c
} <yEApWd;
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/** &xB9;v3
* the basic page utils not including exception HH7WMYoKY
WxO+cB+?
handler X>uLGr>
* @param everyPage M[z1B!rT
* @param currentPage .On qj^v
* @param totalRecords XI[n!)3
* @return page gt.F[q3
*/ ;>6~}lMgJ
publicstatic Page createPage(int everyPage, int wE=I3E %
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currentPage, int totalRecords){ L-}Uj^yF
everyPage = getEveryPage(everyPage); pGR3
currentPage = getCurrentPage(currentPage); 3b0|7@_E
int beginIndex = getBeginIndex(everyPage, ohx$;j
fgj$
u
currentPage); /0gr?I1wr7
int totalPage = getTotalPage(everyPage, 2bw), W
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totalRecords); BH~zeJ*Pr
boolean hasNextPage = hasNextPage(currentPage, r0[<[jEh
8N"WKBj|_d
totalPage); \MmOI<Hd-
boolean hasPrePage = hasPrePage(currentPage); CYE[$*g6y
x"C7NW[$
returnnew Page(hasPrePage, hasNextPage, R+K|K2"
everyPage, totalPage, S&IW]ffK
currentPage, \ILNx^$EL
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beginIndex); AhA&=l
i;
} +HUy,@^Pa
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privatestaticint getEveryPage(int everyPage){ XgnNYy6W
return everyPage == 0 ? 10 : everyPage; LprGsqr:
} 3w |5%`
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privatestaticint getCurrentPage(int currentPage){ `p* 43nV
return currentPage == 0 ? 1 : currentPage; PknKzrEG:>
} 0L32sFy
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privatestaticint getBeginIndex(int everyPage, int t}Td$K7
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currentPage){ d(^HO~p
return(currentPage - 1) * everyPage; `<v$+mG
} Z}vDP^rf
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privatestaticint getTotalPage(int everyPage, int W*_c*
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totalRecords){ j[\:#/J
int totalPage = 0; D bi ^%
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if(totalRecords % everyPage == 0) B?^~1Ua9Zv
totalPage = totalRecords / everyPage; J;wBS w%1
else Q=DMfJ"
totalPage = totalRecords / everyPage + 1 ; l"`VvW[
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return totalPage; jLMy27Cn
} Pn9;&`t
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privatestaticboolean hasPrePage(int currentPage){ D{\o*\TN
return currentPage == 1 ? false : true; |X XO0
} }xBO;
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privatestaticboolean hasNextPage(int currentPage, Hu6Qr
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int totalPage){ i
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return currentPage == totalPage || totalPage == E`qX|n
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0 ? false : true; (91ts$jH
} f2o6GC_
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} u]O}Ub`
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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。 3 i>NKS
@oH\r-jsgu
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 .XeZjoJ$z
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做法如下: I Ij:3HP
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 :XAyMK7
,ZY\})`p
的信息,和一个结果集List: w<h8`K`3
java代码: LfW:G5@-
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/*Created on 2005-6-13*/ $ `\qY ^.(
package com.adt.bo; :a2[d1
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import java.util.List; kxEq_FX
wX6-WQR
import org.flyware.util.page.Page; ~}ifwm'7 a
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/** ^pew'pHQ
* @author Joa ^:ny
*/ `~lG5|
publicclass Result { ]:2Ro:4Yv
. bUmT !
private Page page; ZRw^<
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private List content; bk=;=K
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/** V,c^Vqy
* The default constructor '?.']U,: $
*/ Ho(}_Q&
public Result(){ I
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super(); *>[q*SF
} Z<AZO ^
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/** <Pe'&u
* The constructor using fields #"TYk@whWf
* >b0Bvx-
* @param page />:$"+gKo
* @param content dG~U3\!
*/ _PC<Td>nm
public Result(Page page, List content){ $K\e
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this.page = page; q2`mu4B
this.content = content; Ny`SE\B+/
} @J6r;4|&
z.)*/HGJm
/** @QnKaZ8jW
* @return Returns the content. %1GKN|7
*/ T\4>4eX-
publicList getContent(){ Vx5fQ mx
return content; "mU2^4q
} Q
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/** #7:ah
* @return Returns the page. "9hD4R
*/ `e7vSp
public Page getPage(){ fn7?g
return page; #a|r
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} k'e1ZAn
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/** 8~.8"gQ
* @param content m@D :t5
* The content to set. IvQuxs&a
*/ qyy. &+
public void setContent(List content){ {A
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this.content = content; &F[N$6:v
} N(J#<;!yb
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/** ,.=7{y~
* @param page }9z$72;Qdq
* The page to set. u9c^YC BM
*/ Q=[ IO,f
publicvoid setPage(Page page){ HKOSS-`5
this.page = page; 2t?>0)*m
} wXdt\@Qr
} =mcQe^M
n
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2. 编写业务逻辑接口,并实现它(UserManager, x|^p9m"=%
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UserManagerImpl) ?TW? 2+
java代码: |L}tAS`8
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, :KJ({wM
/*Created on 2005-7-15*/ %|R]nB
package com.adt.service; 6y?uH;SL
r@'~cF]m
import net.sf.hibernate.HibernateException; 0f3>s>`M
q/@r#
import org.flyware.util.page.Page; H#nJWe_9A
&!'R'{/?X
import com.adt.bo.Result; +zo\#8*0MF
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/** J=O_nup6C
* @author Joa `tKs|GQf
*/ ^foCcO
publicinterface UserManager { DI-CC[
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public Result listUser(Page page)throws .ubZ
pf yJL?_%
HibernateException;
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} *'{9(Oj
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java代码: wIF'|"
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/*Created on 2005-7-15*/
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package com.adt.service.impl; =6fJUy^M\
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import java.util.List; }C=+Tn
:2A-;P4
import net.sf.hibernate.HibernateException; ?c fFJl
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import org.flyware.util.page.Page; rC/z8m3z
import org.flyware.util.page.PageUtil; oHV!>K_D
bQ0+Y?,+/
import com.adt.bo.Result; 8KdcU[w]
import com.adt.dao.UserDAO; 5GJa+St?
import com.adt.exception.ObjectNotFoundException; dg(sRTi{
import com.adt.service.UserManager; k$7Kz"
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/** pYUQSsqC
* @author Joa J/Ch
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*/ | NFDrm
publicclass UserManagerImpl implements UserManager { >pq=5Ha&
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private UserDAO userDAO; cy2K#
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/** cj#.Oaeq*
* @param userDAO The userDAO to set. S\k(0Sv9D
*/ fLkC|
publicvoid setUserDAO(UserDAO userDAO){ >#.du}t
this.userDAO = userDAO; zItGoJu
} %wJ?+D/
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/* (non-Javadoc) u*7>0o|H:
* @see com.adt.service.UserManager#listUser -Ji uq
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(org.flyware.util.page.Page) 1n>AN.nI
*/ |B\76Nk
public Result listUser(Page page)throws {q);1Nnf
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HibernateException, ObjectNotFoundException { OZ<fQf.Gh}
int totalRecords = userDAO.getUserCount(); B/JMH 1r
if(totalRecords == 0) {'?PGk%v
throw new ObjectNotFoundException 97}l`z;Z
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("userNotExist"); uUv^]B 8GM
page = PageUtil.createPage(page, totalRecords); @<
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List users = userDAO.getUserByPage(page); 1w 9zl}
returnnew Result(page, users); @Ps1.
} 3#`Sk`z<
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} sA,2gbW
Z =*h9,MY
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