Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 {P+[CO
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 u{z{3fW_
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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 ,:{+
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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 xnOlV
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分页支持类: 9\2&6H
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java代码: B:.rp.1
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package com.javaeye.common.util; -GjJrYOU
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import java.util.List; N|}`p"
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publicclass PaginationSupport { r0>T7yPAK
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publicfinalstaticint PAGESIZE = 30; qiN'Tuw9
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privateint pageSize = PAGESIZE; t"fD"Xpj
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privateList items; K(2s%
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privateint totalCount; f'S"F
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privateint[] indexes = newint[0]; "
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privateint startIndex = 0; %|>i2
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public PaginationSupport(List items, int ,~#hHhR_
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totalCount){ sP%.o7&n
setPageSize(PAGESIZE); >rubMGb
setTotalCount(totalCount); 6~LpBlb
setItems(items); }p~%GA.=98
setStartIndex(0); &@+;]t
} )3
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public PaginationSupport(List items, int ^da-R;o]
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totalCount, int startIndex){ ";]m]PRAam
setPageSize(PAGESIZE); QTH yH
setTotalCount(totalCount); ?%(*bRV -
setItems(items); Pl4d(2
7
setStartIndex(startIndex); 6s;x@g]
} |(5=4j]
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public PaginationSupport(List items, int |1o]d$3m
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totalCount, int pageSize, int startIndex){ sTDBK!9I
setPageSize(pageSize); FceT'
setTotalCount(totalCount); 5Mr:(|JyV
setItems(items); ,")7uMZaF\
setStartIndex(startIndex); g=Lt2UIJ
} ]Ea-?IhD
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publicList getItems(){ ||f4f3R'
return items; 4.TG&IQ
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} \N30SG?o
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publicvoid setItems(List items){ x&
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this.items = items; {$^|^n5j
} _ 17"T0
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publicint getPageSize(){ _ sd?l
return pageSize; gK /K Z8
} 4)_ [)MZ\j
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publicvoid setPageSize(int pageSize){ #~b9H05D
this.pageSize = pageSize; `m5iZxhw
} V.J%4&^X
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publicint getTotalCount(){ y06 2/$*$
return totalCount; !k:j+h/
} Hg4Ut/0
@)B_e*6>'
publicvoid setTotalCount(int totalCount){ "<n{/x(
if(totalCount > 0){ DWAU8>c+
this.totalCount = totalCount; @,]v'l!u
int count = totalCount / [>E0(S]
`*]r.u0
pageSize; _~!,x.Dbp
if(totalCount % pageSize > 0) ^:BRbp37i
count++; \MU4"sXw
indexes = newint[count]; n2E2V<#
for(int i = 0; i < count; i++){ hf[K\aAk
indexes = pageSize * S`::f(e
7j+.H/2
i; (\j<`"n
} $aG'.0HW
}else{ ]#nAld1cmy
this.totalCount = 0; <FP-]R)
} Xp'KQ1w)
} f]Vz !hM~
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publicint[] getIndexes(){ eMs`t)rQ
return indexes; sb1/4u/W
} HwHI$IB
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publicvoid setIndexes(int[] indexes){ W6pS.}
this.indexes = indexes; aD4ln]sFxG
} #r1x0s40D
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publicint getStartIndex(){ .+y#7-#6
return startIndex; zMa`olTZ
} qcK)J/K"
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publicvoid setStartIndex(int startIndex){ U5Y*xm<
if(totalCount <= 0) @:Ns`+ W*
this.startIndex = 0; hm&~6rB
elseif(startIndex >= totalCount) ZrTq)BZ
this.startIndex = indexes thh, V
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[indexes.length - 1]; yHCc@`1.
elseif(startIndex < 0) A#T;Gi
this.startIndex = 0; bHp|>g
else{ RR"#z'zQ
this.startIndex = indexes r
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[startIndex / pageSize]; [\VzI\vb
} 0xC!d-VIJ
} dWI\VS 9
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publicint getNextIndex(){ {S|uQgs6j
int nextIndex = getStartIndex() + 2uB.0
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pageSize; r@_;L>
if(nextIndex >= totalCount) 8'zwyd3
return getStartIndex(); {vaq,2_w
else X3nwA#If1
return nextIndex; U<*dDE~z
} *@O;IiSE
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publicint getPreviousIndex(){ $lO\eQGxB
int previousIndex = getStartIndex() - =%a.C(0&G
}%VHBkuc
pageSize; 1Ao"DxZHy7
if(previousIndex < 0) "MyYu}AD
return0; "DUL} "5T
else 7QQnvoP
return previousIndex; R8ZW1
} pM>.z9
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} 3mx7[Q
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抽象业务类 [9w8oNg0
java代码: n|(Y?`(
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/** -q-%)f
* Created on 2005-7-12 _N<8!(|w
*/ Z
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package com.javaeye.common.business; P/^:IfuR
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import java.io.Serializable; wt-)5f'{
import java.util.List; U2G\GU1 X
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import org.hibernate.Criteria; HIF.;ImG^
import org.hibernate.HibernateException; {~Phc 2z
import org.hibernate.Session; %R}}1
import org.hibernate.criterion.DetachedCriteria; u\6:Txqq
import org.hibernate.criterion.Projections; v=|ahsYC
import r l!c\
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org.springframework.orm.hibernate3.HibernateCallback; 6}[W%S]8
import gPDc6{/C<
;0ake%v]
org.springframework.orm.hibernate3.support.HibernateDaoS M7hff4c
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upport; @*F
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import com.javaeye.common.util.PaginationSupport; {AJspLcG
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public abstract class AbstractManager extends x H\5T!
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HibernateDaoSupport { =T9QmEBm
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privateboolean cacheQueries = false; i/~A7\:8%
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privateString queryCacheRegion; uQrD}%GI
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publicvoid setCacheQueries(boolean nd-y`@z
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cacheQueries){ ?FD^S~bz-
this.cacheQueries = cacheQueries; ]Rz]"JZ\S
} $dq
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publicvoid setQueryCacheRegion(String Rs7=v2>I
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queryCacheRegion){ c}lUP(Ss
this.queryCacheRegion = F?TAyD*
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queryCacheRegion; @99@do|C
} ~p^6
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publicvoid save(finalObject entity){ |R DPx6!V
getHibernateTemplate().save(entity); W$
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} #\Lt0
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publicvoid persist(finalObject entity){ m%l\EE
getHibernateTemplate().save(entity); ,{7Z OzA
} [.dF)I3
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publicvoid update(finalObject entity){ "\Z.YZUa\
getHibernateTemplate().update(entity); *RivZ
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} (;V6L{Rf>
*JUP~/Nr
publicvoid delete(finalObject entity){ Ac|IBXGa=
getHibernateTemplate().delete(entity); &")ON[|b
} yY[N\*P
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publicObject load(finalClass entity, `q".P]wtKN
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finalSerializable id){ hr(E,TAe
return getHibernateTemplate().load {|bf`
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(entity, id); 7vubkj&
} 6j+_)7.V
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publicObject get(finalClass entity, ^,qi`Tk
7NE"+EP\{2
finalSerializable id){ Rra<MOR
return getHibernateTemplate().get ".Luc7
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mv
(entity, id); >S,yqKp37~
} +"'cSAK
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publicList findAll(finalClass entity){ p<: bPw
return getHibernateTemplate().find("from QJ\
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" + entity.getName()); ?I6 !m~
} \ym3YwP4/:
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publicList findByNamedQuery(finalString CI{? Kb
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namedQuery){ y yW;VKN
return getHibernateTemplate Y/?V%X
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().findByNamedQuery(namedQuery); ZF!cXo7d
} e3oHe1"hP
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publicList findByNamedQuery(finalString query, 6 GqR]KD
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finalObject parameter){ ^{lcj
return getHibernateTemplate Ii FeO
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().findByNamedQuery(query, parameter); ?S9? ?y/
} GH[ATL
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publicList findByNamedQuery(finalString query, ?Dm={S6
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finalObject[] parameters){ p8,Rr{
return getHibernateTemplate w+($=n~
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().findByNamedQuery(query, parameters); 0h=NbLr|S-
} 0}H7Xdkp
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publicList find(finalString query){ z-ns@y(f@X
return getHibernateTemplate().find *oZ]k`-!8
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(query); &8$Gyu
} A{X:p3$eN
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publicList find(finalString query, finalObject 0P i+ (X
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parameter){ pZHx
return getHibernateTemplate().find >J(._K
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(query, parameter); $r+_Y/
} 4:wVT;?a
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public PaginationSupport findPageByCriteria U1nObA
C)Ep}eHjf_
(final DetachedCriteria detachedCriteria){ %x{jmZ$}
return findPageByCriteria o_ng{SL
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); XNbeYj
} ,^wjtA3j8
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public PaginationSupport findPageByCriteria m-?hHdO
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(final DetachedCriteria detachedCriteria, finalint PzF>yG[
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startIndex){ pNUe|b+P
return findPageByCriteria b:B+x6M
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(detachedCriteria, PaginationSupport.PAGESIZE, ^Mvgm3hg
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startIndex); ;Qn)~b~
} Q rBb!.r
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public PaginationSupport findPageByCriteria gpT~3c;l=
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(final DetachedCriteria detachedCriteria, finalint wCQ.?*7-9Q
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pageSize, ~dXiyU,y2
finalint startIndex){ ;*(i}'
return(PaginationSupport) 6&* z
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getHibernateTemplate().execute(new HibernateCallback(){ A_8Xhem${
publicObject doInHibernate Ql#y7HW
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(Session session)throws HibernateException { 5]f6YlJZ
Criteria criteria = R<djW5 ()f
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detachedCriteria.getExecutableCriteria(session); 8yCt(ms
int totalCount = s@02?+/
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((Integer) criteria.setProjection(Projections.rowCount QJ\+u
qt{lZ_$
()).uniqueResult()).intValue(); )WNw0cV}J>
criteria.setProjection M"\Iw'5$
{"PIS&]tR
(null); 3s\}|LqX#
List items = ;SgPF:T>Q
t1`.M$
criteria.setFirstResult(startIndex).setMaxResults 1S+lHG92I
JIc(hRf9>
(pageSize).list(); O,PTY^
PaginationSupport ps = w%1-_;.aU6
z{H=;"+rh
new PaginationSupport(items, totalCount, pageSize, gCV+amP
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startIndex); &M>o
return ps; vc%=V^)N7U
} gp+aUK~o
}, true); KPjC<9sby
} u']}Z%A9`
p!o-+@ava
public List findAllByCriteria(final {nPiIPH
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DetachedCriteria detachedCriteria){ I:6H65(&
return(List) getHibernateTemplate `O0bba=:=
SPT?Tt
().execute(new HibernateCallback(){ W"Tj.oCUG
publicObject doInHibernate b($9gre>mI
sTS/]"l
(Session session)throws HibernateException { M ]Hf>7p
Criteria criteria = T@jv0/(+
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detachedCriteria.getExecutableCriteria(session); dOT7;@
return criteria.list(); 7#&e0fw/I
} 8S`
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}, true); ;w7s>(ITZ
} h_HPmh5
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public int getCountByCriteria(final B3|G&Kg
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DetachedCriteria detachedCriteria){ ,!O]c8PcU
Integer count = (Integer) 4V&(w,zl
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getHibernateTemplate().execute(new HibernateCallback(){ >fi_:o
publicObject doInHibernate )g?ox{Hol
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(Session session)throws HibernateException { 1'!D
Criteria criteria = F%f)oq`B
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detachedCriteria.getExecutableCriteria(session); *X5<]{7c
return Kzx`
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criteria.setProjection(Projections.rowCount WjBH2 v
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()).uniqueResult(); G0A\"2U
} Ft^X[5G4L
}, true); Jcy+(7lE)
return count.intValue(); p9 G{Q
} /|8rVYSs
} IczMf%
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用户在web层构造查询条件detachedCriteria,和可选的 z=TOGP(
|- <72$j
startIndex,调用业务bean的相应findByCriteria方法,返回一个 T`bUBrK6g`
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PaginationSupport的实例ps。 naM~>N
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ps.getItems()得到已分页好的结果集 n[B[hAT
ps.getIndexes()得到分页索引的数组 gFd*\Dk
ps.getTotalCount()得到总结果数 |c>.xt~
ps.getStartIndex()当前分页索引 c^r WS&)P
ps.getNextIndex()下一页索引 Zoy)2E{
ps.getPreviousIndex()上一页索引 18Vn[}]"
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错
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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 .4ZOm'ko{
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一下代码重构了。 h@z0 x4_])
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我把原本我的做法也提供出来供大家讨论吧: L?Ys(a"k
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首先,为了实现分页查询,我封装了一个Page类: sjOv!|]A
java代码: !"o\H(siT
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/*Created on 2005-4-14*/ 7n?yf_je
package org.flyware.util.page; puLgc$?
Fv*QcB9K
/** _%er,Ed
* @author Joa S dN&%(ZE
* EDuH+/:n
*/ @q`T#vd
publicclass Page { ]28j$)6
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/** imply if the page has previous page */ t\h4-dJn
privateboolean hasPrePage; _Hd|y
|Y8}*C\M.h
/** imply if the page has next page */ =j{tFxJ
privateboolean hasNextPage; 4l{$dtKbI
93Zij<bH?e
/** the number of every page */ =@pD>h/~
privateint everyPage; 1Q!kk5jE
rB{w4
/** the total page number */ &4+|{Zx0
privateint totalPage; 0b/@QgJ
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/** the number of current page */ _n/73Oh
privateint currentPage; ZJenwo
x.4z)2MO
/** the begin index of the records by the current OrYN-A4{
//;(KmU9
query */ Hq+QsplG
privateint beginIndex; d3|/&gDBK
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t
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/** The default constructor */ '6})L
public Page(){ 7{(UiQbf
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} fm@Pa} ,
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/** construct the page by everyPage (~%NRH<\
* @param everyPage [u$|/
* */ jf- XVk5q
public Page(int everyPage){ uI9*D)
this.everyPage = everyPage; QeC\(4?
} BWvM~no
iC5HrOl6U
/** The whole constructor */ .drY
public Page(boolean hasPrePage, boolean hasNextPage, FZO&r60$E
h`n '{s
;[UI]?A%
int everyPage, int totalPage, e[?,'Mp9
int currentPage, int beginIndex){ h]L.6G|hEN
this.hasPrePage = hasPrePage; ;ne`ppz0
this.hasNextPage = hasNextPage; k*n~&y: O
this.everyPage = everyPage; cc*?4C/t
this.totalPage = totalPage; +RL@g*`
this.currentPage = currentPage; p^*a>d:d]
this.beginIndex = beginIndex; {@iLfBh5
}
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Z$g'h1,zW
/** ?P-O4
* @return _B#x{ii
* Returns the beginIndex. W^h,O+vk
*/ n@ SUu7o
publicint getBeginIndex(){ ['Lo8 [
return beginIndex; #h^nvRmON
} qqe"hruFJ
Jz>P[LcB
/** C4$P#DZT^
* @param beginIndex E"_{S.Wc
* The beginIndex to set. ?8{Os;!je
*/ wW p7N
publicvoid setBeginIndex(int beginIndex){ =DfI^$Lr:
this.beginIndex = beginIndex; JZ`SV}\`
} >n3GvZ5%
p<H_]|7$7U
/** x}pH'S7
* @return c:Cw#
* Returns the currentPage. x%r$/=
*/ [n| }>
publicint getCurrentPage(){ Ewp2 1
return currentPage; z^`4n_(Ygu
} HBR/" m
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/** WN{8gL&y
* @param currentPage y>0 @.
* The currentPage to set. Yg '(
*/ FS&QF@dtgf
publicvoid setCurrentPage(int currentPage){ *5BVL_:~J
this.currentPage = currentPage; Yb5@W/'
} 9)]`le
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/** F/lL1nTdK
* @return yN{**?b
* Returns the everyPage. )e PQxx
*/ XchD3p+uB
publicint getEveryPage(){ EiC["M'}
return everyPage; 8aVQW_m}
} :KvZP:T
fgtwVji
/** .Qn#wub
* @param everyPage faLfdUimJ
* The everyPage to set. <ZZfN@6
*/ SGZYDxFC@
publicvoid setEveryPage(int everyPage){ 2& Hl
wpx
this.everyPage = everyPage; p%>!1_'(
} T<7}IH$6xE
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/** `k
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* @return @]X!#&2>
* Returns the hasNextPage. B
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*/ xP1D 9
publicboolean getHasNextPage(){ 4jZt0
return hasNextPage; i`CNgScF>
} ~8k`~t!
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/** 6@^
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* @param hasNextPage X%*BiI
* The hasNextPage to set. M-QQ
*/ e
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publicvoid setHasNextPage(boolean hasNextPage){ nrpbQ(zI*
this.hasNextPage = hasNextPage; "0G)S'
} >/GYw"KK
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/** I
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* @return <Vyl*a{%
* Returns the hasPrePage. !h1|B7N
*/ = "Lb5!
publicboolean getHasPrePage(){ :]\-GJV5
return hasPrePage; +)(
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} uX7"u*@Q*~
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/** +@Kq
* @param hasPrePage 8.`5"9Vh
* The hasPrePage to set. ]Ah<kq2sk
*/ 0[Zs8oRiI
publicvoid setHasPrePage(boolean hasPrePage){ gavf$be
this.hasPrePage = hasPrePage; ^?0WE
} 14-uy.0[
v>Kv!OY:c
/** 4NFvX4
* @return Returns the totalPage. tN;~.\TKg
* &eg@ZnPn
*/ uhmSp+%
publicint getTotalPage(){ gWjz3ob
return totalPage; !|
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} $>l65)(E\
QN~9O^
/** #|l#
* @param totalPage g31\7\)Ir
* The totalPage to set. 6O'B:5~[2
*/ pEGHW;
publicvoid setTotalPage(int totalPage){ ^zS|O]Tx
this.totalPage = totalPage; ~ln96*)M;
} P.t7_v>
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} c$%I^f}'
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7LW%:0
\9.@Tg8`
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上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 hKK"D:?PRs
o:/ymeG
个PageUtil,负责对Page对象进行构造: V@ph.)z
java代码: =G/`r!r*0I
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/*Created on 2005-4-14*/ .sPa${
package org.flyware.util.page; Ba|76OBRJ
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import org.apache.commons.logging.Log; 71yf+xL
import org.apache.commons.logging.LogFactory; `>}e 5
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/** ..ht)Gex
* @author Joa bU"2D.k
* a<Ptm(,
*/ jP"='6Vrw
publicclass PageUtil { )VR/a
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privatestaticfinal Log logger = LogFactory.getLog ww{07g
iX'#~eK*<
(PageUtil.class); :.EVvuXI
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/** lWYgIpw
* Use the origin page to create a new page -jsk-,
* @param page Jyu*{
* @param totalRecords {[.<BU-
* @return wS1zd?
*/ ]^CNC0
publicstatic Page createPage(Page page, int )h?Pz1-W1
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totalRecords){ !+I!J
s"
return createPage(page.getEveryPage(), P"mD73a
(
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page.getCurrentPage(), totalRecords); $5/lU
}To
} FY;R0+N
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/** !
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* the basic page utils not including exception '&$xLZ8
9"~,ha7S$
handler h wfKgsm
* @param everyPage Vam4/6
* @param currentPage 1
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* @param totalRecords VM[Vhk[
* @return page dg]: JU
*/ rYMHc@a9(
publicstatic Page createPage(int everyPage, int +gOv5Eno-
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currentPage, int totalRecords){ ep2#a#&'
everyPage = getEveryPage(everyPage); t<2B3&o1
currentPage = getCurrentPage(currentPage); eE-@dU?
int beginIndex = getBeginIndex(everyPage, $]yHk
'hi.$G_R
currentPage); }EZd=_kAq~
int totalPage = getTotalPage(everyPage, 9nPc>O$
^.@BD4/RPt
totalRecords); hzjEO2
boolean hasNextPage = hasNextPage(currentPage, 2aUy1*aM
V<;w
totalPage); r/vRaOg>X
boolean hasPrePage = hasPrePage(currentPage); iv/!c Mb
noa=wy
returnnew Page(hasPrePage, hasNextPage, sC.aT(meJ
everyPage, totalPage, ,s,VOyr @F
currentPage, ,2YkQ/>
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beginIndex); \{ui{8+G
} )tyhf(p6
wd`lN,WiW
privatestaticint getEveryPage(int everyPage){ !4f0VQI
return everyPage == 0 ? 10 : everyPage; l4sFT)}-J
} ;:l\_b'Z}
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privatestaticint getCurrentPage(int currentPage){ >)3[CU,
return currentPage == 0 ? 1 : currentPage; &u'$q
} f 6h!wx
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privatestaticint getBeginIndex(int everyPage, int KGsH3{r
5 5_#?vw
currentPage){ }t[?g)"M#-
return(currentPage - 1) * everyPage; Y&Sk/8
} Z'vGX,:
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privatestaticint getTotalPage(int everyPage, int _cY!\'
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totalRecords){ TYQ7jt0=.-
int totalPage = 0; 9_z u*
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if(totalRecords % everyPage == 0) 5@6%/='I q
totalPage = totalRecords / everyPage; Wm/0Y'$r&k
else #FBq8iJ
totalPage = totalRecords / everyPage + 1 ; <Yk#MeiEp
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return totalPage; <I{)p;u1
} aD1G\*AFJ
M@V.?;F},
privatestaticboolean hasPrePage(int currentPage){ x05yU
return currentPage == 1 ? false : true; H)),~<s
} %/o8-N|_[
o#-K,|-
privatestaticboolean hasNextPage(int currentPage, /^kZ}}9baU
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int totalPage){ 32r2<QrX
return currentPage == totalPage || totalPage == >t,BNsWB
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0 ? false : true; ,[lS)`G
} ix<sorR H
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} Xq9n-;%zL
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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。 @"9^U_Qf1z
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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 Q3M;'m
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做法如下: 06 kjJ4
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 lH6zZ8rh
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的信息,和一个结果集List: ))"
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java代码: S(^*DV
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/*Created on 2005-6-13*/ 9OeY59
:
package com.adt.bo; J
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import java.util.List; 3le/(=&1
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import org.flyware.util.page.Page; W_NQi
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/** &wbe^Wp
* @author Joa 7-"ml\z
*/ l I&%^>
publicclass Result { ;F@N2j#
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private Page page; NrE&w H:
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private List content; Y|t] bb
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/** m L#-U)?F
* The default constructor !@9Vq6
*/ d&:ABI
public Result(){ ~VZ)LQ'7
super(); p$XL|1G*?H
} f?wn;;z`
j$ h.V#1z
/** sT"U}
* The constructor using fields ? *I2?
* z116i?7EnV
* @param page zkXG%I4h
* @param content opQ%!["N
*/ =,q,W$-
public Result(Page page, List content){ :yN;_bC!b%
this.page = page; qEC-'sl<
this.content = content; U^trZ])
} cD&53FPXC
S) /(~
/** TFbMrIF
* @return Returns the content. eHCLENLmB
*/ jTbJL
publicList getContent(){ _RT3Fk
return content; CQf!<
} cXx?MF5
&n>\ +Q
/** _T6l*D
* @return Returns the page. c"w}<8
*/ [hs_HYqJ
public Page getPage(){ _&TA|Da
return page; %./vh=5)
} H]V@Q~?e
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/** 3okh'P%+
* @param content #9Z\jW6b
* The content to set. gF(aYuk
*/ eMk?#&a)
public void setContent(List content){ (9r\YNK
this.content = content; Fp>iwdjFg
} R}MdBE
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/** XUT,)dL
* @param page E5D5
* The page to set. aqq7u5O1r
*/ PtySPDClj
publicvoid setPage(Page page){ gs)wQgJ [
this.page = page; !|hxr#q=4
} t\J5np
} QiB^U^f
q:4 51 C
6/^$SWd2
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2. 编写业务逻辑接口,并实现它(UserManager, ^vXMX^*
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UserManagerImpl) Xx_v>Jn!
java代码: Y !e
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/*Created on 2005-7-15*/ 4G`7]<
package com.adt.service; Ws"eF0,'Z
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import net.sf.hibernate.HibernateException; =e'b*KTL,
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import org.flyware.util.page.Page; W]kh?+SZ
FB{4& ;
import com.adt.bo.Result; vL"U=Q+/eY
}oHA@o5
/** +L_!$"I
* @author Joa %?K1X^52d
*/ gqR?hZD
publicinterface UserManager { M>hHTa?W
,7:_M>-3g
public Result listUser(Page page)throws qkB)CY7
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HibernateException; ea-NqdGs;m
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} nQ4 s
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java代码: MW|Qop[
NZ:A?h2JR
xQV5-VoFC
/*Created on 2005-7-15*/ 40cgsRa|
package com.adt.service.impl; Ei!5Qya>
dn0?#=
import java.util.List; ]m}<0-0
jj^{^,z\
import net.sf.hibernate.HibernateException; >vE1,JD)w
yi`Z(j;
import org.flyware.util.page.Page; pp{Za@j
import org.flyware.util.page.PageUtil; jQjtO"\JG
rb_ cm
import com.adt.bo.Result; jEr/*kv
import com.adt.dao.UserDAO; e%#(:L
import com.adt.exception.ObjectNotFoundException; P?%kV
import com.adt.service.UserManager; bp G`,[
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/** @i`*i@g
* @author Joa ~IvAnwQ'
*/ $Lpt2:.((
publicclass UserManagerImpl implements UserManager {
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private UserDAO userDAO; =fmM=@!$<
=C{)i@ +
/** _^cDB1I?
* @param userDAO The userDAO to set. 49b#$Xq
*/ &|( 'z\k
publicvoid setUserDAO(UserDAO userDAO){ n(^{s5 Rr
this.userDAO = userDAO; bQG2tDvu[
} D 3m4:z
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/* (non-Javadoc) [gm[mwZ
* @see com.adt.service.UserManager#listUser 2_lgy?OE`
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(org.flyware.util.page.Page) J@RhbsZn
*/ /mLOh2T
public Result listUser(Page page)throws P_11N9C
#$p&J1
HibernateException, ObjectNotFoundException { p9w<|ZQ]:
int totalRecords = userDAO.getUserCount(); llVm[7
if(totalRecords == 0) E!.>*`)?.
throw new ObjectNotFoundException 3vx*gfr3
^CZ!rOSv
("userNotExist"); BS<5b*wG
page = PageUtil.createPage(page, totalRecords); ] h3~>8<
List users = userDAO.getUserByPage(page); ,$irJz F
returnnew Result(page, users); rlSar$
} JR/:XYS+
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} Ara D_D
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