Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 r*HSi.'21
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根
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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 wXNng(M7
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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 p{?duq=
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分页支持类: 9FEhl~&
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java代码: e.\>GwM
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package com.javaeye.common.util; 4'faE="1)S
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import java.util.List; d /jx8(0
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publicclass PaginationSupport { P IG,a~
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publicfinalstaticint PAGESIZE = 30; eKP>}`
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privateint pageSize = PAGESIZE; AyJl:aN^
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privateList items; 4lo7yx
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privateint totalCount; #jbC@A9Pe
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privateint[] indexes = newint[0]; e"@r[pq-{u
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privateint startIndex = 0; )~M@2;@L
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public PaginationSupport(List items, int W *0!Z:?
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totalCount){ ( w4XqVT
setPageSize(PAGESIZE); m.P
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setTotalCount(totalCount); ]n=z(2Z9lD
setItems(items); ?`TQ!m6y
setStartIndex(0); o.$48h(
} .p{lzI9
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public PaginationSupport(List items, int y0O(n/
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totalCount, int startIndex){ Wv>`x?W
setPageSize(PAGESIZE); hGFi|9/-u
setTotalCount(totalCount); <\*)YKjn/@
setItems(items); {9J|\Zz3
setStartIndex(startIndex); W3l[a^1d
} d{TcjZ
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public PaginationSupport(List items, int do`'K3a"
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totalCount, int pageSize, int startIndex){ -raK
setPageSize(pageSize); \,v^v]|
setTotalCount(totalCount); YBY;$&9
setItems(items); 6cg,L:j#
setStartIndex(startIndex); 9u~C?w
} L^u|=9
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publicList getItems(){ H28-;>'`
return items; M"mvPr9
} +:m)BLA4l
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publicvoid setItems(List items){ \;%D;3Au
this.items = items; =ZHN]PP
} yI=nu53BV
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publicint getPageSize(){ (9bU\4F\
return pageSize; h-.^*=]R6
} uA`e
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publicvoid setPageSize(int pageSize){ W)`>'X`
this.pageSize = pageSize; EQnU:a
} Ym%#"
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publicint getTotalCount(){ ~m R^j
return totalCount; uP7|#>1%
} +VIEDV+
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publicvoid setTotalCount(int totalCount){ p;[.&oJ
if(totalCount > 0){ H/f}tw
this.totalCount = totalCount; ,>g(%3C
int count = totalCount / 9[t-W:3c7
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pageSize; ?n<sN"
if(totalCount % pageSize > 0) w8>lWgN
count++; **AJFc
indexes = newint[count]; q.:a4w J
for(int i = 0; i < count; i++){ 2+|r*2_glo
indexes = pageSize * Gj#BG49g2
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} &xj40IZ
}else{ 4YOLy\"S
this.totalCount = 0; X"8$,\wX,
} kPEU }Kv
} +Kmxo4p
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publicint[] getIndexes(){ }zo-%#
return indexes; >iJxq6!
} ?h7[^sxJ
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publicvoid setIndexes(int[] indexes){ cB;DB)0P
this.indexes = indexes; %[,^2s
} O[ans_8
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publicint getStartIndex(){ Pi&\GMzd
return startIndex; /|Gz<nSc
} &=8ZGjR< }
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publicvoid setStartIndex(int startIndex){ Z\-Gr
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if(totalCount <= 0) 7|m{hSc
this.startIndex = 0; 8Z@O%\1x6
elseif(startIndex >= totalCount) X7aj/:fXe
this.startIndex = indexes d76C]R5L
*/]1?M@P)
[indexes.length - 1]; =0@ o(#gM
elseif(startIndex < 0) Mi!ak
this.startIndex = 0; ' ]Km%uwL
else{ 8W.-Y|[5?
this.startIndex = indexes z ISy\uka
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[startIndex / pageSize]; <
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} .bMU$ O1
} ?$7$ # DX
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publicint getNextIndex(){ %MfT5*||f
int nextIndex = getStartIndex() + BD ,3JDqT
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pageSize; D@mqfi(x
if(nextIndex >= totalCount) t/"9LMKs?
return getStartIndex(); ,"5p=JX`
else <RkJ7Z^
return nextIndex; I>3G"[t
} RML'C:1
lce~6}
publicint getPreviousIndex(){ !hPe*pPVV)
int previousIndex = getStartIndex() - ^q~.5c|
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pageSize; RG_)<U/B
if(previousIndex < 0) V> eJ
return0; E<_+Tc
else !I8(Y
return previousIndex; r,Pu-bhF
} _`94CC:
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} 9;c]_zt
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抽象业务类 |B*`%7{+
java代码: E?f*Z{~,
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/** "2/VDB4!FG
* Created on 2005-7-12 1<9m^9_ro
*/ -Kf'02
package com.javaeye.common.business; +%RXV~
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import java.io.Serializable; 785Y*.p
import java.util.List; Y6@A@VJ
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import org.hibernate.Criteria; w3IU'(|G
import org.hibernate.HibernateException; gs|%3k |
import org.hibernate.Session; cXokq
import org.hibernate.criterion.DetachedCriteria; -1u N
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import org.hibernate.criterion.Projections; Z.0^:rVp~
import >G+?X+9
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org.springframework.orm.hibernate3.HibernateCallback; 6{I5 23g
import ZGOI8M]@
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org.springframework.orm.hibernate3.support.HibernateDaoS I1(,J
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upport; 8:A6Ew&\]O
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import com.javaeye.common.util.PaginationSupport; ]HP
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public abstract class AbstractManager extends Ad7=JzV
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HibernateDaoSupport { iyhB;s5Rgw
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privateboolean cacheQueries = false; !$5U\"M
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privateString queryCacheRegion; @le23+q
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publicvoid setCacheQueries(boolean yz2NB?)
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cacheQueries){ f;%4O'
this.cacheQueries = cacheQueries; m[u
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}
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publicvoid setQueryCacheRegion(String `ml;#n,*
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queryCacheRegion){ sOW-GWSE<
this.queryCacheRegion = #H1yjJQ /x
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queryCacheRegion; vexQP}N0
} Hp":r%)
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publicvoid save(finalObject entity){ |^@TA=_
getHibernateTemplate().save(entity); o0Hh&:6!M
} L+QEFQ:r5
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publicvoid persist(finalObject entity){ r jL%M';
getHibernateTemplate().save(entity); U07n7`2w
} d=wzN3 ;-
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publicvoid update(finalObject entity){ Fk
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getHibernateTemplate().update(entity); TaB35glLY
} ?Zoq|Q+
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publicvoid delete(finalObject entity){ (85F1"Jp
getHibernateTemplate().delete(entity);
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} {{=7 mbc
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publicObject load(finalClass entity, Hj;j\R >2
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finalSerializable id){ f.'o4HSj
return getHibernateTemplate().load ./ib{ @A.
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(entity, id); `pN]Ykt
} W~Mj6c~S"
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, :
publicObject get(finalClass entity, d|6*1hby
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finalSerializable id){ "$:nz}
return getHibernateTemplate().get ^ tm,gh
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(entity, id); ({zp$P}
} ;nv4lxm
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publicList findAll(finalClass entity){ JCaT^KLz
return getHibernateTemplate().find("from bU:"dqRm<
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" + entity.getName()); sbNCviKP
} T0RgCU
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publicList findByNamedQuery(finalString x_(B7ob
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namedQuery){ /tP"r}l
return getHibernateTemplate !OWV* v2
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().findByNamedQuery(namedQuery); Vv=d*
} ?~S\^4]
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publicList findByNamedQuery(finalString query, NRq
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finalObject parameter){ ^O[qCX
return getHibernateTemplate <h7C_^L10\
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().findByNamedQuery(query, parameter); vM\8>p*U
} HPwmi[
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publicList findByNamedQuery(finalString query, rmR7^Ycv/
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finalObject[] parameters){ zc,fJM
return getHibernateTemplate &sWq SS
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().findByNamedQuery(query, parameters); ;U}lh~e11
} t]"3vE>
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publicList find(finalString query){ HHoh//(\
return getHibernateTemplate().find }L@!TWR-Qu
0=(5C\w2
(query); ?exV:OKLb
} A@du*5>(
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publicList find(finalString query, finalObject ,n~H]66n
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parameter){ )0RH"#,2L
return getHibernateTemplate().find x8gUP
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(query, parameter); `N8A{8$qv
} )>$xbo")k
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public PaginationSupport findPageByCriteria L&'2
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(final DetachedCriteria detachedCriteria){ /[t]m,p$yq
return findPageByCriteria =QOtag1;
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); PS!f&IY}[.
} ShHm7+fV
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public PaginationSupport findPageByCriteria -~v;'zOO
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(final DetachedCriteria detachedCriteria, finalint e/F=5_Io
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startIndex){ nP4jOq*H
return findPageByCriteria pz@_%IUS
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(detachedCriteria, PaginationSupport.PAGESIZE, y$#mk3(e~t
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startIndex); I6'U[)%
} gn#4az3@e>
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public PaginationSupport findPageByCriteria mTYEK4}
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(final DetachedCriteria detachedCriteria, finalint (?I8/KYR
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pageSize, 6
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finalint startIndex){ )DfmO
return(PaginationSupport) N
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getHibernateTemplate().execute(new HibernateCallback(){ 6#KRI%adw`
publicObject doInHibernate 2\lUaC#E
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(Session session)throws HibernateException { >j_,3{eJ
Criteria criteria = 4U~[8U}g
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detachedCriteria.getExecutableCriteria(session); GmPNzHDb
int totalCount = +KrV!Taf
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((Integer) criteria.setProjection(Projections.rowCount S;a{wYF6v
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()).uniqueResult()).intValue(); D%Hz'G0|
criteria.setProjection u==bLl=$
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(null); S3`zB?7,
List items = uRh`qnL
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criteria.setFirstResult(startIndex).setMaxResults kf~ D m}bV
{(Drw~/@
(pageSize).list(); [>oq~[e)?
PaginationSupport ps = j$n[;\]n
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new PaginationSupport(items, totalCount, pageSize, /^
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C5\bnk{
startIndex); <hkg~4EKc
return ps; ~:D}L
} }aRV)F
}, true); ,/C<GFae
} A+69_?B
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public List findAllByCriteria(final r,A750P^
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DetachedCriteria detachedCriteria){ e 9U\48
return(List) getHibernateTemplate d/+sR@\
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().execute(new HibernateCallback(){ 5 b( [1*
publicObject doInHibernate \vs,$h
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(Session session)throws HibernateException { 8tK 8|t5+
Criteria criteria = L/1?PM
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detachedCriteria.getExecutableCriteria(session); L L7a20
return criteria.list(); l&dHH_m3
} E#URTt:&>
}, true); #'mb9GWD3
} KxqT5`P&
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public int getCountByCriteria(final sf2_x>U1
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DetachedCriteria detachedCriteria){ tV9BVsN
Integer count = (Integer) $Ud-aRlD
@ZK#Y){
getHibernateTemplate().execute(new HibernateCallback(){ $M@SZknm
publicObject doInHibernate p)(mF"\8=
.[? E1we
(Session session)throws HibernateException { FZ6.<wN
Criteria criteria = :=UiEDN@
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detachedCriteria.getExecutableCriteria(session); )**k3u
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return !Ui3}
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criteria.setProjection(Projections.rowCount f9cS^v_:
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()).uniqueResult(); i%GjtYjS
} c BQ|mA
}, true); 0cC5
return count.intValue(); ?>N82#9Q
} ?"$W=*P\o
} 4d)w2t?H%
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用户在web层构造查询条件detachedCriteria,和可选的 HU-4k/I~
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 LDN'o1$qo
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PaginationSupport的实例ps。 )NGBA."t
/ZlW9|
ps.getItems()得到已分页好的结果集 8)&H=#E
ps.getIndexes()得到分页索引的数组 IJ3[6>/M0
ps.getTotalCount()得到总结果数 w6y?D<
ps.getStartIndex()当前分页索引 {c<MB xk
ps.getNextIndex()下一页索引 %f\ M61Z
ps.getPreviousIndex()上一页索引 E1_FK1*V;
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 U5jY/e_
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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 1 b+B
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一下代码重构了。 "ZEJL.Wy
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我把原本我的做法也提供出来供大家讨论吧: Z`v6DfK}
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首先,为了实现分页查询,我封装了一个Page类: , d ?4"8_
java代码: 0PE $n
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/*Created on 2005-4-14*/ -wtavv,J
package org.flyware.util.page; fw ._
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/** L;I.6<K.
* @author Joa E,JDO d}
* >^ 0JlL`XG
*/ cBb!7?6(
publicclass Page { fz31di9$
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/** imply if the page has previous page */
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privateboolean hasPrePage; x-:vpv%6y
h ^g"FSzP
/** imply if the page has next page */ 7=0uG
privateboolean hasNextPage; 64z9Yr@
L.$9ernVY
/** the number of every page */
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privateint everyPage; ;'!U/N;-
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/** the total page number */ %+|k>?&z7
privateint totalPage; fu}NH\{
@riCR<fF
/** the number of current page */ DKm`
privateint currentPage; f/H rO6~k%
?`_US7.@
/** the begin index of the records by the current + _rjA_
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query */ .%+'Ts#ie
privateint beginIndex; <.CO{L\e
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/** The default constructor */ ag]b]K
public Page(){ !p >a,8w
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} ,w,>pO'[
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/** construct the page by everyPage I:U /%cr,
* @param everyPage xcnHj1r-o'
* */ k:4 Zc3
public Page(int everyPage){ >};,Byv!%
this.everyPage = everyPage; ~`
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} e'[T5HI
*#;8mM
/** The whole constructor */ )|@b
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public Page(boolean hasPrePage, boolean hasNextPage, A@bWlwfl
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int everyPage, int totalPage, NoO>CjeFb
int currentPage, int beginIndex){ l
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this.hasPrePage = hasPrePage; vP^]Y.6
this.hasNextPage = hasNextPage; d#Sc4xuf
this.everyPage = everyPage; DalQ.
this.totalPage = totalPage;
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this.currentPage = currentPage; ~QFD ^SoK
this.beginIndex = beginIndex; C$){H"#
} hhlQ!WV2
/|t
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/** BF<7.<,
* @return qGuz`&i
* Returns the beginIndex. ,pa,:k?
*/ 0 lXV+lj
publicint getBeginIndex(){ nQdNXv<(
return beginIndex; k(C?6Gfj
} '!Ps4ZTn_
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/** $^
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* @param beginIndex Iwi>yx8
* The beginIndex to set. <*0MD6$5
*/ gGw6c" FRQ
publicvoid setBeginIndex(int beginIndex){ H$KE*Wwq
this.beginIndex = beginIndex; OMd{rH
} Q-F'-@`(C
jV\M`=4IC
/** Q\z3YUk
* @return OHssUt
* Returns the currentPage. C, n]9
*/ )b
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publicint getCurrentPage(){ uYIw ?fXy
return currentPage; 1)/B V{n
} kMKI=>s+
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/** ?Pw#!t
* @param currentPage V[wEn9
* The currentPage to set. H1| -f]!
*/ :{h,0w'd
publicvoid setCurrentPage(int currentPage){ $ ;>,
this.currentPage = currentPage; J9)wt ?%j
} vY *p][$
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/** ?)<zrE5p
* @return aw/Y#
* Returns the everyPage. 4D"IAI
*/ |}^[f]
publicint getEveryPage(){ 6R%c+ok8i
return everyPage; ~^lQ[ x
} ?*u)T%S
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/** $1H?k
* @param everyPage "sz LTC]*6
* The everyPage to set. Yk(OVl T
*/ Z%Y=Lx
publicvoid setEveryPage(int everyPage){ j8?$Hk
this.everyPage = everyPage; Q&(?D
} w!:u|
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/** [4
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* @return .2Q`. o)
* Returns the hasNextPage. Wq0h3AjR
*/ |O\(<n S
publicboolean getHasNextPage(){ /AJ^wY
return hasNextPage; f<xF+wE
} *`ehI_v :
V J){@
/** &|%z!x6 f
* @param hasNextPage h?.6e9Y4
* The hasNextPage to set. m{mK;D
*/ +
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publicvoid setHasNextPage(boolean hasNextPage){ \>cZ=
this.hasNextPage = hasNextPage; 9XT6Gf56
} `>?\MWyu
.}ohnnJB0
/** $MKx\qx}
* @return ]WN{8
* Returns the hasPrePage. (loUO;S=
*/ fL83:<RK
publicboolean getHasPrePage(){ u~LisZ&tP
return hasPrePage; 4dMwJ"V
} 3=t}py7M
8czo#&
/** `C=!8q
* @param hasPrePage dulW!&*No
* The hasPrePage to set. lADi
*/ \VHi
publicvoid setHasPrePage(boolean hasPrePage){ .{7?Y;_(
this.hasPrePage = hasPrePage; oVoTnGNM6
} TT.EQv5
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/** R{!s%K&
* @return Returns the totalPage. zq4,%$y8|
* akm) X0!-}
*/ xVfJ]Y
publicint getTotalPage(){ QlJCdCSy
return totalPage; "uGJ\
} 5PKv@Mk
=_%:9FnQ0
/** '9auQ(2
* @param totalPage t@}<&{zk
* The totalPage to set. ~rpYZLH/:0
*/ XZd !c Ff
publicvoid setTotalPage(int totalPage){ F!pUfF,&
this.totalPage = totalPage; {zbH.V[
} i`2Q;Az_P6
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} Lrq+0dI 65
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#A:I|Q 1$g
上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 xd(AUl4qY
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个PageUtil,负责对Page对象进行构造: L4Nk+R;
java代码: zG [-n.
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/*Created on 2005-4-14*/ oVl:./(IB
package org.flyware.util.page; z+wV(i97
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import org.apache.commons.logging.Log; )/
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import org.apache.commons.logging.LogFactory; rxP^L(q0*
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/** gjo\gP@
* @author Joa @sfV hWG
* \VtCkb
*/ uAVV4)
publicclass PageUtil { Q=e?G300#L
71K6] ~<
privatestaticfinal Log logger = LogFactory.getLog ]PUyX8'~
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(PageUtil.class); yaR|d3ef?4
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/** ,Oxdqx u7
* Use the origin page to create a new page {y<_S]0
* @param page 6K`frt
* @param totalRecords "ajZ&{Z
* @return 7t@jj%F
*/ mXhr: e
publicstatic Page createPage(Page page, int E8%O+x}
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totalRecords){ 1-w1k^e
return createPage(page.getEveryPage(), Dm 'Q&
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page.getCurrentPage(), totalRecords); /&kZ)XOi
} (6 0,0|s
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/** &]#D`u
* the basic page utils not including exception T+sO(;
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handler [W^6=7EO
* @param everyPage -(:BkA
* @param currentPage K<s\:$VVh
* @param totalRecords ^gb2=gWZ<
* @return page 3c9v~5og4
*/ &2QN^)q
publicstatic Page createPage(int everyPage, int rycscE4,
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currentPage, int totalRecords){ \BJnJk!%
everyPage = getEveryPage(everyPage); w'L;`k;Q
currentPage = getCurrentPage(currentPage); &X|z(vSJ$
int beginIndex = getBeginIndex(everyPage, dZnq 96<:|
i&_sbQ^
currentPage); {Ziq~{W_
int totalPage = getTotalPage(everyPage, X^aujK^@
yGS._;#R
totalRecords); T( ;BEyc?
boolean hasNextPage = hasNextPage(currentPage, Oh8;YE-%
:U r%.0
totalPage); (%I`EAR
boolean hasPrePage = hasPrePage(currentPage); Lo;T\CN
=faV,o&{`
returnnew Page(hasPrePage, hasNextPage, 7Kh+m@q.
everyPage, totalPage, tM@TT@.t~
currentPage, pdtK3Pf
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beginIndex); q=96Ci _a
} C}+(L3Z
jriliEz;f
privatestaticint getEveryPage(int everyPage){ j4G,Z4
return everyPage == 0 ? 10 : everyPage; Q%t8cJL
} ;|
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privatestaticint getCurrentPage(int currentPage){ DVpqm6$Q
return currentPage == 0 ? 1 : currentPage; ]^j)4us
} %kVpW&
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privatestaticint getBeginIndex(int everyPage, int A1YIPrav(
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currentPage){ @x{;a 9y
return(currentPage - 1) * everyPage; M%$zor
} *7-uQKp
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privatestaticint getTotalPage(int everyPage, int z`
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totalRecords){ j\Q_NevV
int totalPage = 0; Gc
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if(totalRecords % everyPage == 0) ,&l>^w/
totalPage = totalRecords / everyPage; ;PLby]=O
else -ud!j
totalPage = totalRecords / everyPage + 1 ; 8c~b7F
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return totalPage; Kq.)5%~>
} !FO||z(vb
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privatestaticboolean hasPrePage(int currentPage){ pLk?<y
return currentPage == 1 ? false : true; eb:u h!
} -y$|EOi?
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privatestaticboolean hasNextPage(int currentPage, nq_sbli
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int totalPage){ $=H\#e)]Ug
return currentPage == totalPage || totalPage == (<3'LhFII
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0 ? false : true; ~BZ A_w"`1
} m3,]j\
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} fv`%w
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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。 )8e_<^M
8 Z#)Xb4
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 PW.W.<CL
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做法如下: <4(rY9
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 30F&FTW
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的信息,和一个结果集List: w"A'uFXLc
java代码: 5N '
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c: #1Aym
9~u1fk{
/*Created on 2005-6-13*/ !@ bN
package com.adt.bo; YFsEuaV
m:
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import java.util.List; :Fm+X[n
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import org.flyware.util.page.Page; LI(Wu6*Y
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/** uZW1
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* @author Joa wRU pQ~=B2
*/ j;<;?IW
publicclass Result { RCgs3JIE+2
,=z8aiUu
private Page page; m qtl0P0
w{Dk,9>w)
private List content; c< \:lhl
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/** CXJ0N
* The default constructor OGh bH a
*/ v>0xHQD*<M
public Result(){ TX8,+s+
super(); @\[&_DZ
} gxL5%:@
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/** |\Qr
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* The constructor using fields n_?<q{GW
* Po=)jkW
* @param page 0y|}}92:
* @param content Vk>aU3\c
*/ 9j9A'Y9(
public Result(Page page, List content){ rWSw1(sAA
this.page = page; VU)ywIs
this.content = content; >#c]rk:
} ,/JrQWgD
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/** RI cA)I.
* @return Returns the content. hC5ivJ
*/ GQ)h Zt0
publicList getContent(){ 7kG>s9O
return content; `<+D<x)(3
} hwkol W
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/**
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* @return Returns the page. j s7J#b7
*/ CWt,cwFW
public Page getPage(){ UZ&bT'>;9g
return page; mKWA-h+f
} g8}/Ln*W'
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/** [4(TG<I
* @param content v@"xEf1n[
* The content to set. 3]<$;[Q
*/ 0(-'L\<>x
public void setContent(List content){ Qh)@-r3
this.content = content; <@5#
} r~TiJ?8I
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/** >
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* @param page g"xLS}Al
* The page to set. 4d9iAN
*/ .U9NQwd
publicvoid setPage(Page page){ $7M64K{
this.page = page; (a]'}c$X9`
} [*8wv^
} luLm:NWUM
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2. 编写业务逻辑接口,并实现它(UserManager, NfS0yQPx
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UserManagerImpl) GEIMCg(TRj
java代码: kB"Sh_:m
mMu3B2nke=
<F>\Vl:
/*Created on 2005-7-15*/ yBht4"\Al
package com.adt.service; B>#zrCD
>x&$lT{OY
import net.sf.hibernate.HibernateException; `Z]a6@w~
/]<0`nI.
import org.flyware.util.page.Page; VLu_SXlo*
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,a
import com.adt.bo.Result; C[? itk!
@+B
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/** [,|KVc=&H
* @author Joa Rm)vY}v
*/ :#I8Cf
publicinterface UserManager { cd*y{Wt
$*8c0.{U
public Result listUser(Page page)throws ;^O^&<
q.~.1
'`!
HibernateException; 26.iFt/:
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} bHWy9 -
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}B^s!y&b
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java代码: Y5cUOfYT
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/*Created on 2005-7-15*/ VXR.2C
package com.adt.service.impl; ^*%p]r
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import java.util.List; w*#TS8
\
$//18+T
import net.sf.hibernate.HibernateException; N, ;'oL+
^7F!>!9Ca
import org.flyware.util.page.Page; 2,q^O3F
import org.flyware.util.page.PageUtil; qPH]DabpI
p0`Wci
import com.adt.bo.Result; \*!g0C8 o
import com.adt.dao.UserDAO; "{qhk{
import com.adt.exception.ObjectNotFoundException; 1Qhx$If~
import com.adt.service.UserManager; ;oWh Tj`
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/** ~e,
* @author Joa (3{'GX2c
*/ eey <:n/Z
publicclass UserManagerImpl implements UserManager { yTkYPx
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private UserDAO userDAO; d7$H})[^
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/** NVeb,Pf
* @param userDAO The userDAO to set. i+Ob1B@w
*/ >OZ+k(saL
publicvoid setUserDAO(UserDAO userDAO){ &