Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 N#7 ]xL
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 Ub3,x~V
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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 ,<EmuEw |
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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 X[@>1tl
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分页支持类: T^sxR4F
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java代码: 5@0c@Q
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package com.javaeye.common.util; $hKgTf?
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import java.util.List; r#Pd@SV
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publicclass PaginationSupport { Ix(4<s
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publicfinalstaticint PAGESIZE = 30; E_H1X'|qS4
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privateint pageSize = PAGESIZE; (vI7qD_
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privateList items; BKDWd]KEf
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privateint totalCount; D>|:f-Z6Z
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privateint[] indexes = newint[0]; {^\-%3$
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privateint startIndex = 0; JfVayI=
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public PaginationSupport(List items, int C$tSsw?A
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totalCount){ |SxEJ
setPageSize(PAGESIZE); }!d}febk_
setTotalCount(totalCount); Z
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setItems(items); w+MdQ@'5
setStartIndex(0); 4/h2_
} lyi}q"Kn*;
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public PaginationSupport(List items, int E$1^}RGT)
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totalCount, int startIndex){ b9YpUm7#
setPageSize(PAGESIZE); /F4:1
}
setTotalCount(totalCount); ko:I.6- K
setItems(items); [qXpi'q[
setStartIndex(startIndex); srSTQ\l4
} k N^)6
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public PaginationSupport(List items, int O-B3@qQ. h
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totalCount, int pageSize, int startIndex){ *Q>:|F[vM
setPageSize(pageSize); '
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setTotalCount(totalCount); k|_2aQ02
setItems(items); bPOx~ CMh
setStartIndex(startIndex); G<z)Ydh_
} ZX0c_Mk=
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publicList getItems(){
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return items; ;1dz?'%V
} {eXYl[7n
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publicvoid setItems(List items){ G4}q*&:k
this.items = items; J4vKfxEg
} ]R@G5d
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publicint getPageSize(){ x.yL'J\)
return pageSize; $imx-H`|
} @5wg' mM
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publicvoid setPageSize(int pageSize){ Wa(S20yF
this.pageSize = pageSize; [*G2wP[$
} k)s 7Ev*
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publicint getTotalCount(){ 5avO48;Vc
return totalCount; `VsGa
} =M5M;
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publicvoid setTotalCount(int totalCount){ _);Kb/
if(totalCount > 0){ BcLt95;.\
this.totalCount = totalCount; Z-|C{1}A
int count = totalCount / @>5<m'}2
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pageSize; ?6d4T
if(totalCount % pageSize > 0) 2-0cB$W+
count++; 3(+#^aw
indexes = newint[count]; K]8wW;N4
for(int i = 0; i < count; i++){ MuGg
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indexes = pageSize * MjB[5:s
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} 6# ";W2
}else{ ok[=1gA#h
this.totalCount = 0; q}$=bR1+
} J~3T8e#
} C-u/{CP
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publicint[] getIndexes(){ bU ]N^og^
return indexes; EAw#$Aq=
} jHH
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publicvoid setIndexes(int[] indexes){ xsDa!
this.indexes = indexes; |7zP8
} 7/_ VE
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publicint getStartIndex(){ o?K|[gNi
return startIndex; 9jGuelwN
} !u4Z0 !Ll
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publicvoid setStartIndex(int startIndex){ ^FM9} t/U,
if(totalCount <= 0) =8p+-8M[d
this.startIndex = 0; ?ZHE8
elseif(startIndex >= totalCount) 7Sz'vyiz
this.startIndex = indexes x56
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[indexes.length - 1]; (_qBsng:
elseif(startIndex < 0) 207 O["Y
this.startIndex = 0; Kwl qi]~
else{
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this.startIndex = indexes R g0
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[startIndex / pageSize]; TdP{{&'9
} ?[S
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} R_>TEYZ
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publicint getNextIndex(){ m-'(27
int nextIndex = getStartIndex() + r($_>TS&"
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pageSize; o7Cnyy#:
if(nextIndex >= totalCount) *]m kyAhi
return getStartIndex(); k>:/D
else ,"N3k(g
return nextIndex; BK(pJNBh
} 9xK4!~5V
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publicint getPreviousIndex(){ 6)#- 5m
int previousIndex = getStartIndex() - ]@/^_f>D
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pageSize; E+m]aYu"
if(previousIndex < 0) I|F~HUzA"
return0; _b!;(~@p
else XWUvP
return previousIndex; 'HQ7
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} r*i$+ Z
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} ^A *]&%(h
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抽象业务类 [GR]!\!%~
java代码: :]B%
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/** ;Cr_NP[8|j
* Created on 2005-7-12 )Lc<;=w'9
*/ _HWHQF7
package com.javaeye.common.business; Kk!6B
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import java.io.Serializable; |5oKq'(b
import java.util.List; ' "ZRD_"
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import org.hibernate.Criteria; My]+?.Ru
import org.hibernate.HibernateException; .k# N7[q=
import org.hibernate.Session; qDby!^ryc
import org.hibernate.criterion.DetachedCriteria; 2
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import org.hibernate.criterion.Projections; do:QH.q8)
import GB&Nt{
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org.springframework.orm.hibernate3.HibernateCallback; D^66p8t
import RGT_}ni
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org.springframework.orm.hibernate3.support.HibernateDaoS gB(9vhj$
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upport; ^G}# jg.
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import com.javaeye.common.util.PaginationSupport; r_4TtP&UW
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public abstract class AbstractManager extends KK:N [x
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HibernateDaoSupport { ?Wwh
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privateboolean cacheQueries = false; %
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privateString queryCacheRegion; V-[2jC{
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publicvoid setCacheQueries(boolean *Y8XP8u/
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cacheQueries){ g93I+
this.cacheQueries = cacheQueries; ?sV[MsOsC
} .j:i&j(
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publicvoid setQueryCacheRegion(String D^|jZOJ
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queryCacheRegion){ ]} '^`
this.queryCacheRegion = CNut{4
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queryCacheRegion; uii7b7[w
} Z,3 CC \
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publicvoid save(finalObject entity){ e{5,'(1]
getHibernateTemplate().save(entity); (/'h4KS@
} p:B
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publicvoid persist(finalObject entity){ PJCnud F
getHibernateTemplate().save(entity); 9x(}F<L
} 4K E)g
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publicvoid update(finalObject entity){ C(s\LI!r
getHibernateTemplate().update(entity); t')h{2&&!2
} Khj=llo,
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publicvoid delete(finalObject entity){ (Q'U@{s
getHibernateTemplate().delete(entity); ^+M><jE9
} u)7*Rj^
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publicObject load(finalClass entity, $R";
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finalSerializable id){ 7gm:ZS
return getHibernateTemplate().load dN<5JQql
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(entity, id); b{BaQ>.(`
} [7RheXO<
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publicObject get(finalClass entity, [%jxf\9jJ_
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finalSerializable id){ 9
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return getHibernateTemplate().get *qG$19b
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(entity, id); YN^T$,*
} n26>>N
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publicList findAll(finalClass entity){ { V0>iN:~S
return getHibernateTemplate().find("from UQ~4c,
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" + entity.getName()); }%x}fu#
} [fxuUmU
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publicList findByNamedQuery(finalString Xem5@
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namedQuery){ XVF^,Yf
return getHibernateTemplate [sj VRW-
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().findByNamedQuery(namedQuery); (]XbPW
} FCiq?@
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publicList findByNamedQuery(finalString query, O3Uh+gKQ
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finalObject parameter){ AW/wI6[T
return getHibernateTemplate /EU; ?O
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().findByNamedQuery(query, parameter); {a@>6)
} %2D17*eK
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publicList findByNamedQuery(finalString query, .*!#98pT
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finalObject[] parameters){ Us-A+)r*!
return getHibernateTemplate ~@Kf2dHes
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().findByNamedQuery(query, parameters); 9tk" :ld
} /C$
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publicList find(finalString query){ =VSkl;(O
return getHibernateTemplate().find 2]2H++
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(query); #) ]c0]p
} %!y89x=E
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publicList find(finalString query, finalObject O@jqdJu
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parameter){ \A<v=VM|
return getHibernateTemplate().find ^VI,C|
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(query, parameter); TvQ^DZbe
} [AR>?6G-
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public PaginationSupport findPageByCriteria iF9_b
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(final DetachedCriteria detachedCriteria){ _ 08];M|
return findPageByCriteria {Q~7M$
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); <9ifPSvJ
} &?+WXL>
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public PaginationSupport findPageByCriteria </s,pe79B
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(final DetachedCriteria detachedCriteria, finalint /IR#A%U
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startIndex){ 6>DLp}d
return findPageByCriteria ]V<-J
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(detachedCriteria, PaginationSupport.PAGESIZE, n &}s-`D
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startIndex); !/hsJ9
} 3nFt1E
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public PaginationSupport findPageByCriteria :a3xvN-l
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(final DetachedCriteria detachedCriteria, finalint -9o{vmB{
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pageSize, s-?fUqA
finalint startIndex){ &[j]Bp?
return(PaginationSupport) ndi+xaQtG
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getHibernateTemplate().execute(new HibernateCallback(){ ({[,$dEa;
publicObject doInHibernate js <Ww$zFW
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(Session session)throws HibernateException { w> 979g
Criteria criteria = 2]ti!<
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detachedCriteria.getExecutableCriteria(session); QUOKThY?
int totalCount =
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((Integer) criteria.setProjection(Projections.rowCount YYUe)j{T
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()).uniqueResult()).intValue(); D:E9!l'
criteria.setProjection {THqz$KN
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(null); WzlC*iv
List items = '6S %9ahE
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criteria.setFirstResult(startIndex).setMaxResults C1fyV]
'^}+Fv<O
(pageSize).list(); ^:cRp9l"7
PaginationSupport ps = "JT;gaEm
4/*q0M{}B
new PaginationSupport(items, totalCount, pageSize, {#hVD4$b
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startIndex); $H*/;`,\[
return ps; !7 _\P7M
} m#H_*L0
}, true); c`kQvXx
} z<n-Gzwk
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public List findAllByCriteria(final IXq(jhm8bL
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DetachedCriteria detachedCriteria){ LmLGki$w
return(List) getHibernateTemplate ];FtS>\x
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().execute(new HibernateCallback(){ O<N#M{kc.
publicObject doInHibernate w^;DG
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(Session session)throws HibernateException { ja T$gAx
Criteria criteria = GozPvR^/
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detachedCriteria.getExecutableCriteria(session); #oV+@D`
return criteria.list(); K&_Uk548
} AW8'RfC.
}, true); 3W&S.$l
} {j
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public int getCountByCriteria(final dULS^i@@
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DetachedCriteria detachedCriteria){ @*O?6>
Integer count = (Integer) aV|9H
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getHibernateTemplate().execute(new HibernateCallback(){ K+d2m9C=
publicObject doInHibernate sYn[uPefj
pv# 2]v
(Session session)throws HibernateException { PHra+NY#A
Criteria criteria = 2qU&l|>
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detachedCriteria.getExecutableCriteria(session); PkUd~c
return 8q^o.+9
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criteria.setProjection(Projections.rowCount |:[9O`U)s
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()).uniqueResult(); ~[W#/kd1n
} C"eXs#A
}, true); {1Eu7l-4
return count.intValue(); Fo|xzLm9*|
} GjT#%GBF
} kfrY1
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用户在web层构造查询条件detachedCriteria,和可选的 oy\B;aAK
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 gK1g]Tc @G
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PaginationSupport的实例ps。 a)s;dp}T%
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ps.getItems()得到已分页好的结果集 F4C!CUI
ps.getIndexes()得到分页索引的数组 "8<K'zeS8
ps.getTotalCount()得到总结果数 ZFn(x*L
ps.getStartIndex()当前分页索引 = !2NU
ps.getNextIndex()下一页索引 /n{1o\
ps.getPreviousIndex()上一页索引 ~)X[(T{
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 dF@)M
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,尤其是上面的示例代码,让我着实觉得该对我原来的分页查询做 ;`j/D@H
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一下代码重构了。 b$JBL_U5Ch
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我把原本我的做法也提供出来供大家讨论吧: `C72sA{M.
a:Q[gF8>
首先,为了实现分页查询,我封装了一个Page类: kdrod [S
java代码: onei4c>@
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/*Created on 2005-4-14*/ 9";sMB}W*
package org.flyware.util.page; lU4}B`#"v
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/** >t+
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* @author Joa ?A*Kg;IU
* <^R{U&Z@
*/ 3{7T4p.G
publicclass Page { }d
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/** imply if the page has previous page */ :z"!kzdJ
privateboolean hasPrePage; mLbN/M
_S?qDG{E|
/** imply if the page has next page */ |i%2%V#
privateboolean hasNextPage; S/A1RUt
8/%6@Y"Y*
/** the number of every page */ sH#X0fG
privateint everyPage; l&(l$@t
#=c`of6
/** the total page number */ }^ FulsC
privateint totalPage; qv2!grp]*W
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/** the number of current page */ ?;ukvD
privateint currentPage; K >tf,
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/** the begin index of the records by the current e79KbLV
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query */ }M>rE
privateint beginIndex; fL*T3[d
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/** The default constructor */ X$?3U!
public Page(){ }%!tT\8
q?j|K|%
} A&5:ATQ/|
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/** construct the page by everyPage
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* @param everyPage C|-pD
* */ u eb-2[=
public Page(int everyPage){ 0Rn+`UnwB
this.everyPage = everyPage; T<b+s#n4
} dE`-\J
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/** The whole constructor */ -~f511<
public Page(boolean hasPrePage, boolean hasNextPage, H U+ I
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int everyPage, int totalPage, ~g;
int currentPage, int beginIndex){ r{?TaiK
this.hasPrePage = hasPrePage; RD,5AShP
this.hasNextPage = hasNextPage; 9SQ4cv*2
this.everyPage = everyPage; n'FwM\
this.totalPage = totalPage; XL}"1lE
this.currentPage = currentPage; Q4* -wF-P
this.beginIndex = beginIndex; e 8\;t"D
} `\u;K9S6
Y]|:?G7l]
/** 9O*_L:4o
* @return {No L
* Returns the beginIndex. Y5q3T`xE
*/ ./6<r OW
publicint getBeginIndex(){ F/d7q%I
return beginIndex; ~X(UcZ2
} nKr9#JebRC
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/** ^ZDBO/
* @param beginIndex \G@wp5
* The beginIndex to set. -Y 9SngxM
*/ "Ml&[Oge
publicvoid setBeginIndex(int beginIndex){ oEz%={f
this.beginIndex = beginIndex; ,Tagj`@bHc
} 1nknSw#
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/** Flxvhl)L
* @return @wmi5oExc
* Returns the currentPage. tMx}*l|]
*/ Z(>'0]G
publicint getCurrentPage(){ RkeltE~u
return currentPage; lfsqC};#\
} "[p@tc?5
0yM[Z':i'{
/** CI:^\-z
* @param currentPage ^rl"rEA
* The currentPage to set. ppIbjt6r
*/ ^i)hm
publicvoid setCurrentPage(int currentPage){ wXjFLg!g?
this.currentPage = currentPage; ?rX]x8iP
} DHC+C4
j VgFZ,
/** (m[bWdANnW
* @return {%v-(
* Returns the everyPage. yqXH:757~
*/ 8N%Bn&
publicint getEveryPage(){ }ov&.,vQ
return everyPage; 22P$ ~ch
} $/1c= Y@
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/** lOwS&4UT
* @param everyPage R=Ws#'
* The everyPage to set. y;?ie]3G
*/ @XD+' {]
publicvoid setEveryPage(int everyPage){ L%}zVCg
this.everyPage = everyPage; P|2E2=G
} 2O"P2(1}v
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/** raVA?|'g~
* @return D'l5Zd
* Returns the hasNextPage. (R~]|?:wt
*/ =$8nUX`
publicboolean getHasNextPage(){ 4Tc&IwR
return hasNextPage; Cd79 tu|
} <!$:8ls
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/** 0n ~ Zz
* @param hasNextPage ; R=.iOn
* The hasNextPage to set. LWsP ya
*/ ,6!rR,0
publicvoid setHasNextPage(boolean hasNextPage){ X7UuwIIP
this.hasNextPage = hasNextPage; %B5r"=oO
} qrvsjYi*w
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/** R8L_J6Kpa
* @return e6X[vc|Y}
* Returns the hasPrePage. 8By,#T".
*/ !}\4utHY
publicboolean getHasPrePage(){ ?.c;oS|
return hasPrePage; BYW^/B Y)
} ~m1P_`T
be5,U\&z
/** =z?%;4'|
* @param hasPrePage i`/+,<
* The hasPrePage to set. =K&\E2kA4
*/ f"7M^1)h2%
publicvoid setHasPrePage(boolean hasPrePage){ cw&Hgjj2
this.hasPrePage = hasPrePage; y~
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} ;
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/** ]Mj/&b>"e
* @return Returns the totalPage. 8,O33qwH
* v{i7h|e
*/ n\I#CH0V
publicint getTotalPage(){ 7@.cOB`y@3
return totalPage; 9p 4"r^
} k{tMzx]F__
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/** KtS)'jf
* @param totalPage ]maYUKqv}'
* The totalPage to set. vN4Qdpdb
*/ o }Tz"bN
publicvoid setTotalPage(int totalPage){ d"G+8}.4
this.totalPage = totalPage; + SZYg[
} ^1:U'jIXO
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} Md)zEj`\
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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 oHM
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个PageUtil,负责对Page对象进行构造: M:Er_,E
java代码: rQ4*k'lA:
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/*Created on 2005-4-14*/ N_4eM,7t
package org.flyware.util.page; 0Q"u#V Sp
U,/6;}
import org.apache.commons.logging.Log; IUGz =%[
import org.apache.commons.logging.LogFactory; NRnRMY-
~/_9P Fk
/** d#:3be{|&q
* @author Joa /Y[~-Y+!,
* ZaFb*XRgS
*/ _ 7oV<
publicclass PageUtil { |VOg\[f
zWw2V}U!
privatestaticfinal Log logger = LogFactory.getLog uBg 8h{>
@/J[t
(PageUtil.class); 8pM>Co!
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/** !DjvsG1x
* Use the origin page to create a new page `\=Gp'&Q+
* @param page B bhfG64
* @param totalRecords 0)YbI!
* @return puSLqouTM
*/ Ot&:mT!2
publicstatic Page createPage(Page page, int (VvKGh
vv6$>SU
totalRecords){ +ww^ev%
return createPage(page.getEveryPage(), hlvt$Jwq
k'`m97B
page.getCurrentPage(), totalRecords); >-T`0wI
} dNY"]b
\8uo{#cL8
/** Auy".br'
* the basic page utils not including exception mIZwAKo
0X..e$ '
handler rgIrr5
* @param everyPage `T ^G^7&
* @param currentPage WV;=@v
* @param totalRecords '/0#lF
* @return page i< (s}wg
*/ ir>]r<Zl
publicstatic Page createPage(int everyPage, int VCNT4m
>(9F
currentPage, int totalRecords){ Qx|H1_6
everyPage = getEveryPage(everyPage); bTmL5}n
currentPage = getCurrentPage(currentPage); [c K^+s)N
int beginIndex = getBeginIndex(everyPage, ;'T{li2
-ML6d&cm
currentPage); cl[!`Z
int totalPage = getTotalPage(everyPage, @}F Awv^f
P=AS>N^yaL
totalRecords); "yb WDWu
boolean hasNextPage = hasNextPage(currentPage, /k\01hc`
xc
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totalPage); hi{%pi&!T
boolean hasPrePage = hasPrePage(currentPage); YZ#V#[j'^
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returnnew Page(hasPrePage, hasNextPage, 4Wel[]
everyPage, totalPage, )yee2(S
currentPage, Z%o7f6P0IX
'3tw<k!1{.
beginIndex); 4|J[Jdj
} /4S;QEv
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privatestaticint getEveryPage(int everyPage){ N?r>%4
return everyPage == 0 ? 10 : everyPage; Ry;$^.7%
} 6/ g%\ka
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privatestaticint getCurrentPage(int currentPage){ sPYX~G&T
return currentPage == 0 ? 1 : currentPage; _]#klL
} +`en{$%%
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privatestaticint getBeginIndex(int everyPage, int 'E]A.3-Mt
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currentPage){ C?m,ta3
return(currentPage - 1) * everyPage; tn<6:@T
} 7Ur?ep
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privatestaticint getTotalPage(int everyPage, int <HoAj"xf
rnhFqNT:
totalRecords){ 97~K!'/^+y
int totalPage = 0; 9/TY\?U
J%v5d*$.
if(totalRecords % everyPage == 0) ;_JH:}j
totalPage = totalRecords / everyPage; z_SagU,\
else >Wi s.e%b
totalPage = totalRecords / everyPage + 1 ; P;91~``b-
cy3ww})
return totalPage; ~t/JCxa
} 0Qd%iP)6
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privatestaticboolean hasPrePage(int currentPage){ mBl7{w;Iv
return currentPage == 1 ? false : true; 3;/?q
} u}jrfKdE
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wso
privatestaticboolean hasNextPage(int currentPage, 8OAg~mQ15(
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int totalPage){ }=GM?,7b
return currentPage == totalPage || totalPage == oh\,OW
QlzQ]:dWC
0 ? false : true; g()m/KS<
} b~Z=:'m8
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} f'{>AKi=C
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上面的这两个对象与具体的业务逻辑无关,可以独立和抽象。 N/{?7sG&
'j79GC0
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 <5ZJ]W
]h@{6N'oNS
做法如下: Q4%IxR?
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 YNM\pX'
_T~H[&Hl
的信息,和一个结果集List: <o@ )SD~K
java代码: @hT;Bo2G]
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ryEvmWYu
/*Created on 2005-6-13*/ .BL:h&h|y
package com.adt.bo; $FCw$ +w
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import java.util.List; NgxO&Zp
\{>eOD_
import org.flyware.util.page.Page; Y'_ D<Mp
@,vv\M0)p
/** Ihef$,
* @author Joa Oxn'bh6R0
*/ Q-Y@)Mf~?0
publicclass Result { 2{};6{yz
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private Page page; jr1Se9u D
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private List content; V'yxqI?
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/** ^K>pT}u
* The default constructor }2xb&6g~o
*/ ~[;{
public Result(){ h>Rpb#]
super(); D4\(:kF\Hg
} *<3iEeO/R
+}]wLM}\UF
/** <^'{ G
* The constructor using fields KqY>4tb
* Sl~C0eO
* @param page m[#%/
* @param content Faw. GU
*/ OAyE/Q|
public Result(Page page, List content){ WFks|D:sB
this.page = page; x
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this.content = content; L%4tw5*N
} CY\mU_.b
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/** )xbqQW7%0+
* @return Returns the content. 9&[\*{
*/ n%Rjt!9
publicList getContent(){ /3;=xZq
return content; n7'<3t
} <#!8?o&i
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/** 6UtG-WHHt
* @return Returns the page. 5vl2yN
*/ UvoG<;
public Page getPage(){ ob)D{4B'
return page; T)*l' g'
} *,_2hvlz
@V*au:
/** pzYG?9cwz
* @param content ]lC4+{V
* The content to set. .|tQ=l@I
*/ W>UjUq);
public void setContent(List content){ +# A|Zp<
this.content = content; y0lL Fe~
} + 4++Z
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/** c lq
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* @param page %,h!: Ec^c
* The page to set. _y.mpX&
*/ d;IJ0xB+by
publicvoid setPage(Page page){ \Gv- sA
this.page = page; BD<rQ mfA^
} !;6W!%t.|
} ^!XU+e+:0
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noWRYS %
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2. 编写业务逻辑接口,并实现它(UserManager, kjQIagw
=aX1:Z
UserManagerImpl) gogl[gHO
java代码: !^rITiy
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b*9m2=6
/*Created on 2005-7-15*/ *=r@vQ
package com.adt.service; Jc9@VxWY
}j]<&I}
import net.sf.hibernate.HibernateException; `Nxo0Q
`"-`D!U?$
import org.flyware.util.page.Page; mCZF5r
IX > j8z[
import com.adt.bo.Result; +Px<DX+
7l4InR]
/** [U_Q 2<H
* @author Joa 1`7]C+Pv
*/ S.?\>iH[
publicinterface UserManager { T/X?ZK(T
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public Result listUser(Page page)throws MC[`<W)u
~50y-
HibernateException; ]-+.lR%vd9
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} >8.v.;`
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java代码: t8a@L(J$
519:yt
`eA&C4oFOO
/*Created on 2005-7-15*/ 4N0W& Dy
package com.adt.service.impl; )e <! =S
b*F :l#
import java.util.List; ?Pok-90
e
P,XH{s
import net.sf.hibernate.HibernateException; cVv4gQD\
!<UEq`2
import org.flyware.util.page.Page; ""U?#<}GD
import org.flyware.util.page.PageUtil; UHsrZgIRYT
dOYm t,
import com.adt.bo.Result; &xMJ^Nv
import com.adt.dao.UserDAO; Jr*S2z<*
import com.adt.exception.ObjectNotFoundException; j@_) F^12
import com.adt.service.UserManager; 8bKWIN g_n
|
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/** U!-+v:SF
* @author Joa \i;~~;D
*/ o-e,
publicclass UserManagerImpl implements UserManager { ~IJZM`gN
%(7wZ0Z
private UserDAO userDAO; 1p"EE~v
i4n%EDQ
/** 7)6Yfa]I%
* @param userDAO The userDAO to set. E+m"yQp{
*/ xvz5\s|b
publicvoid setUserDAO(UserDAO userDAO){ aSj1P/A
this.userDAO = userDAO; :"+UG-S$6
} .0*CT:1=0
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UY-
/* (non-Javadoc) Ev|{~U
* @see com.adt.service.UserManager#listUser *e"GQd?
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f
(org.flyware.util.page.Page) r(2'0JQ
*/ BnnUUaE
public Result listUser(Page page)throws 'V9aB5O&
6Cv2>'{S
HibernateException, ObjectNotFoundException { o_Kc nVQ\
int totalRecords = userDAO.getUserCount(); Z6/~2S@
if(totalRecords == 0) { )GEgC
throw new ObjectNotFoundException z hm!sMlO
SlJ/OcAf#
("userNotExist"); 0<]!G|;|
page = PageUtil.createPage(page, totalRecords); VOK$;s'9}
List users = userDAO.getUserByPage(page); @ un
returnnew Result(page, users); a=T7w;\h
} WQmiG=Dw^
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} G~hILW^
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