Hibernate3 提供了DetachedCriteria,使得我们可以在Web层构造 JGFt0He]
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detachedCriteria,然后调用业务层Bean,进行动态条件查询,根 AxZD-|.
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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 Zo}y(N1K}
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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 xy<`#
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分页支持类: R@*O!bD
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java代码: +,&O1ykY
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package com.javaeye.common.util; +hRmO
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import java.util.List; oM2UzB{(
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publicclass PaginationSupport { x%<
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publicfinalstaticint PAGESIZE = 30; K9kUS
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privateint pageSize = PAGESIZE; Lqp8yVO
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privateList items; QnI.zq
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privateint totalCount; `Bw9O%]-S
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privateint[] indexes = newint[0]; 'i8U
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privateint startIndex = 0; `T2$4 >!
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public PaginationSupport(List items, int kip`Myw+
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totalCount){ KZbR3mi,
setPageSize(PAGESIZE); 3loY qeP
setTotalCount(totalCount); ur\qOX|{
setItems(items); 6 8iV/7
setStartIndex(0); Nk;iiz+_p
} d$Y7u
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public PaginationSupport(List items, int Fa epDjY8
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totalCount, int startIndex){ IhiGP
{
setPageSize(PAGESIZE); 3pXLSdxB
setTotalCount(totalCount); #Ch;0UvFF
setItems(items); 3:5DL!Sm8J
setStartIndex(startIndex); ow/57P
} XYH|;P6K
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public PaginationSupport(List items, int P0i V<T4^
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totalCount, int pageSize, int startIndex){ /U$8TT8+-
setPageSize(pageSize); 1mSaS4!"B
setTotalCount(totalCount); O3N_\B:
setItems(items); C*X
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setStartIndex(startIndex); 3p*-tBOO
} $>R(W=Q
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publicList getItems(){ &48_2Q"{
return items; 7dX/bzUVz8
} rxO2js
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publicvoid setItems(List items){ f&hwi:t
this.items = items; C*I(|.i@
} -#29xRPk
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publicint getPageSize(){ <8#ObdY!
return pageSize; [`Cq\mI-W
} up%Z$"Y
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publicvoid setPageSize(int pageSize){ }E}8_8T6
this.pageSize = pageSize; jko"MfJ
} 2uk x (Z
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publicint getTotalCount(){ [<wbbvXR
return totalCount; Fvxu>BK
} 8V$3b?]
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publicvoid setTotalCount(int totalCount){ &kQ!KA28
if(totalCount > 0){ =ZsGT
this.totalCount = totalCount; R<zG^m
int count = totalCount / CiL94Nkd9
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pageSize; (D{Ys'{q
if(totalCount % pageSize > 0) 5M23/=
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count++; cgj.e
indexes = newint[count]; s(&;q4|
for(int i = 0; i < count; i++){ #vf_D?^
indexes = pageSize * z}.D"
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} yu
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}else{ BN@,/m9OQ%
this.totalCount = 0; mEQ!-p
} {$^SP7qV#>
} c[0oh.
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publicint[] getIndexes(){ 2 Y|D'^
return indexes; ., :uZyG
} _1jw=5^P\i
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publicvoid setIndexes(int[] indexes){ >]}yXg=QK+
this.indexes = indexes; +#]|)VZ
} "]t>ZT:OJ
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publicint getStartIndex(){ *+8%kn`c
return startIndex; C$#W{2x%6
} 16@);Ot
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publicvoid setStartIndex(int startIndex){ ^C9x.4I$)
if(totalCount <= 0) LxT rG)4
this.startIndex = 0; [BBpQN.^q6
elseif(startIndex >= totalCount) (3md:r<-
this.startIndex = indexes Zj-BuE&@f
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[indexes.length - 1]; agaq`^[(P
elseif(startIndex < 0) l_v*7d
this.startIndex = 0; 1.SkIu%
else{ wk02[
this.startIndex = indexes E' %lxr
* Zd_
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[startIndex / pageSize]; CW:gEm+
} D&*LBQ/K
} w{'2q^>6*
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publicint getNextIndex(){ 4YJ=q% G
int nextIndex = getStartIndex() + jNy?[
)
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pageSize; Q[s2}Z!N;
if(nextIndex >= totalCount) +$(0w35V5
return getStartIndex(); h39e)%x1
else )o8g=7Jm
return nextIndex; ">6&+^BN'
} *?8RXer
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publicint getPreviousIndex(){ abZdGnc
int previousIndex = getStartIndex() - M^ 5e~y
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pageSize; V:\]cGA{
if(previousIndex < 0) U1Yo7nVf
return0; 0yHjrxc$
else 5
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return previousIndex; h#{T}[
} 93I'cWN
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} EDN(eh(_
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抽象业务类 ~|R[O^9B
java代码: 5.k}{{+
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/** z{6YC~
* Created on 2005-7-12 2cjEex:&
*/ Dq`~XS*
package com.javaeye.common.business; &r:m&?!|VQ
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import java.io.Serializable; >h[(w
import java.util.List; pb$fb
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import org.hibernate.Criteria; Ea4
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import org.hibernate.HibernateException; 6{7 3p@
import org.hibernate.Session; ycjJbL(.
import org.hibernate.criterion.DetachedCriteria; lf8xL9v
import org.hibernate.criterion.Projections; WW3
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import cqk]NL`'
;\s~%~\
org.springframework.orm.hibernate3.HibernateCallback; _:5=|2-E
import 6To:T[ z#
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org.springframework.orm.hibernate3.support.HibernateDaoS [tm[,VfA^
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upport; sJ7sjrEp1
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import com.javaeye.common.util.PaginationSupport; RH=$h! 5
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public abstract class AbstractManager extends Bj&_IDs4
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HibernateDaoSupport { (H[
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privateboolean cacheQueries = false; *')Q {8`
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privateString queryCacheRegion; B<+pg
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publicvoid setCacheQueries(boolean XSl!T/d
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cacheQueries){ q\U4n[Zk
this.cacheQueries = cacheQueries; {,F/KL^u
} (!ZV9S
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publicvoid setQueryCacheRegion(String {Ve
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queryCacheRegion){ 4
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this.queryCacheRegion = I<xy?{s
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queryCacheRegion; .d
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} O8$~*NFJf
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publicvoid save(finalObject entity){ Nor`c+,4
getHibernateTemplate().save(entity); .}~$1QKS
} oc((Yo+B
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publicvoid persist(finalObject entity){ 3/l\ <{
getHibernateTemplate().save(entity); u6p5:oJj,
} ,,}sK
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publicvoid update(finalObject entity){ s~)L_ p
getHibernateTemplate().update(entity); "SLvUzO>q
} _lNC<7+#h
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publicvoid delete(finalObject entity){ ]DU61Z"v?b
getHibernateTemplate().delete(entity); S{ey@X(
} :Dt\:`(r'
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publicObject load(finalClass entity, +/w(K,
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finalSerializable id){ p6 <}3m$
return getHibernateTemplate().load M`bL5J;
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(entity, id); /4^G34
} `LE^:a:8,
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publicObject get(finalClass entity, 2@4x"F]U;
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finalSerializable id){ 6QW<RXom
return getHibernateTemplate().get ,b:n1
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(entity, id); BL0|\&*1
} 2J)74SeH
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publicList findAll(finalClass entity){ @Mzz2&(dU
return getHibernateTemplate().find("from (GnVwJ<v9V
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" + entity.getName()); w/O<.8+
} _ r~+p
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publicList findByNamedQuery(finalString T^N L:78
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namedQuery){ v&e-`.xR
return getHibernateTemplate 6#fOCr;f7
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().findByNamedQuery(namedQuery); YN4"O>
} (eki X*y
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publicList findByNamedQuery(finalString query,
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finalObject parameter){ C?{D"f`[]
return getHibernateTemplate <sO?ev[
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().findByNamedQuery(query, parameter); )-)ss"\+Ju
} Fgskb"k/
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publicList findByNamedQuery(finalString query, {3.*7gnY\L
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finalObject[] parameters){ tSI& "-
return getHibernateTemplate v'h3CaA9j
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().findByNamedQuery(query, parameters); Q^[e/U,
} p}96uaC1
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publicList find(finalString query){ wH+FFXGJs
return getHibernateTemplate().find 4=~ 9v
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(query); Z+r%_|kZ
} :jBZK=3F>
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publicList find(finalString query, finalObject 1]_?$)$T
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parameter){ C2CYIok$&
return getHibernateTemplate().find <%M\7NDWDA
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(query, parameter); Tt{U"EFO
} NY.}uZ
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public PaginationSupport findPageByCriteria 1NuR/DO
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(final DetachedCriteria detachedCriteria){ ;R/k2^uF
return findPageByCriteria W+8BQ-2
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(detachedCriteria, PaginationSupport.PAGESIZE, 0); N[0
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}
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public PaginationSupport findPageByCriteria f#'8"ff*1
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(final DetachedCriteria detachedCriteria, finalint zhuyePn
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startIndex){ g@<sU0B
return findPageByCriteria j#7wyi5q
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(detachedCriteria, PaginationSupport.PAGESIZE, XyvZ&d6(d
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startIndex); c:3@[nF~
} 1P(%9
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public PaginationSupport findPageByCriteria f0/jwfL
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(final DetachedCriteria detachedCriteria, finalint Fl B, (Cm
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pageSize, Y8D7<V~Md
finalint startIndex){ p.@0=)
return(PaginationSupport) uo]Hi^r.l
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getHibernateTemplate().execute(new HibernateCallback(){ 30A`\+^f
publicObject doInHibernate #S@UTJa
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(Session session)throws HibernateException { bc
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Criteria criteria = 0|.7Kz^
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detachedCriteria.getExecutableCriteria(session); B*-ToXQQr
int totalCount = J
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((Integer) criteria.setProjection(Projections.rowCount l5{(z;xM
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()).uniqueResult()).intValue(); V<7R_}^_7
criteria.setProjection tn"Y9
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(null); \Ku9"x
List items = 'dmp4VT3
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criteria.setFirstResult(startIndex).setMaxResults [54@i rH
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(pageSize).list(); [>b
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PaginationSupport ps = 2q`)GCES~
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new PaginationSupport(items, totalCount, pageSize, Ul'~opf
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startIndex); 2>!_B\%) H
return ps; #g@
} 4(` 2#
}, true); cxtLy&C
} hg%@ W
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public List findAllByCriteria(final l@,); w=_P
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DetachedCriteria detachedCriteria){ Z_iAn TT
return(List) getHibernateTemplate mA&RN"+V
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().execute(new HibernateCallback(){ *4(/t$)pEl
publicObject doInHibernate XX]5T`D
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(Session session)throws HibernateException { GOv92$e
Criteria criteria = y+K7WUwhq
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detachedCriteria.getExecutableCriteria(session); LVPt*S= /
return criteria.list(); ke3HK9P;
} - XE79 fQ
}, true); q`/amI0
} 1VhoJGH;C
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public int getCountByCriteria(final /Nj:!!
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DetachedCriteria detachedCriteria){ LP5eFl`|T
Integer count = (Integer) S1}1"y/
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getHibernateTemplate().execute(new HibernateCallback(){ 5?V?
publicObject doInHibernate Nb^zkg
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(Session session)throws HibernateException { A2g"=x[1@K
Criteria criteria = }XfS#Xr1aV
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detachedCriteria.getExecutableCriteria(session); 5]4<!m
return s`8M%ZLu
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criteria.setProjection(Projections.rowCount L Q I: ]d
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()).uniqueResult(); TEaD-mY3
} -4*'WzWr
}, true); q|47;bK'
return count.intValue(); z;fd#N:
} l}2%?d
} %\(y8QV
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用户在web层构造查询条件detachedCriteria,和可选的 U /1[~429
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startIndex,调用业务bean的相应findByCriteria方法,返回一个 Q|j@#@O 1
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PaginationSupport的实例ps。 O?C-nw6kP
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ps.getItems()得到已分页好的结果集 |xsV(jK8
ps.getIndexes()得到分页索引的数组 AiyvHt
ps.getTotalCount()得到总结果数 f>\bUmk(
ps.getStartIndex()当前分页索引 Z ]7;u>2
ps.getNextIndex()下一页索引 \U)2
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ps.getPreviousIndex()上一页索引 VgFF+Eg
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连续看了两篇robbin有关DetachedCriteria的介绍,感觉真的不错 !^>LOH>j
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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 ADLa.{
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一下代码重构了。 9I`Mm}v@
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我把原本我的做法也提供出来供大家讨论吧: )}k?r5g
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首先,为了实现分页查询,我封装了一个Page类: gCk y(4
java代码: Q
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/*Created on 2005-4-14*/ VQNYQqu`[
package org.flyware.util.page; ~`G;=ITo
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/** /c_kj2& ]9
* @author Joa XvA0nEi
* &{%S0\K Y
*/ #czyr@
publicclass Page { -~<q,p"e
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/** imply if the page has previous page */ E+^} B/"
privateboolean hasPrePage; T}w*K[z
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/** imply if the page has next page */ I9*BENkR
privateboolean hasNextPage; s_GK;;
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/** the number of every page */ @R'g@+{I
privateint everyPage; 9U }MXY0
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/** the total page number */ \c9t]py<.h
privateint totalPage; 86^ZYh
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/** the number of current page */ p(x1D]#Z[
privateint currentPage; {0)WS}&
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/** the begin index of the records by the current r.a9W?(E
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query */ m m J)m
privateint beginIndex; XZep7d}
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/** The default constructor */ g<hv7?"[
public Page(){ t'=~"?T/o
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} ir@N>_
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/** construct the page by everyPage {M)3GsP?
* @param everyPage +}(B856+
* */ 2W"cTm
public Page(int everyPage){ AG$-U2ap
this.everyPage = everyPage; a_pCjG89
} =qS^Wz.
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/** The whole constructor */ Z|Lh^G
public Page(boolean hasPrePage, boolean hasNextPage,
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int everyPage, int totalPage, LKf5r,C
int currentPage, int beginIndex){ :E >n)_^
this.hasPrePage = hasPrePage; 7>2j=Y_Kp
this.hasNextPage = hasNextPage; S"KTL *9D
this.everyPage = everyPage; ~\)&{'
this.totalPage = totalPage; d'AviW>
this.currentPage = currentPage; E9Xk8w'+
this.beginIndex = beginIndex; /_k hFw
} ,],JI|Rl8c
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/** jzJ1+/9
* @return L
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* Returns the beginIndex. e\
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*/ S)'q:`tZo
publicint getBeginIndex(){ YAC zznN
return beginIndex; )(ZPSg$/F
} zy/tQGTr@
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/** wh7a|
* @param beginIndex Y3MR:{}
* The beginIndex to set. vn%U;}
*/ h[`Op#^x3
publicvoid setBeginIndex(int beginIndex){ C(t6;&H
this.beginIndex = beginIndex; ^d5./M8Bd
} 7].IT(
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/** MY<!\4/
* @return AXU!-er$
* Returns the currentPage. Acq>M^E3
*/ ^0ZKHR(}e
publicint getCurrentPage(){ j=jrzG+`
return currentPage; E'BH7JV
} _@~kYz
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/** <C.$Db&9
* @param currentPage RkH oT^
* The currentPage to set. qiKtR
*/ 5.K$
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publicvoid setCurrentPage(int currentPage){ ETWmeMN
this.currentPage = currentPage; #PLB$$
} a4a[pX,5
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/** : {N3o:
* @return \I,Dje/:w
* Returns the everyPage. g2 {?EP
*/ i;'X}KW
publicint getEveryPage(){ ZhbY,wJ,
return everyPage; KGE-RK
} ^a#&wW
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/** fddbXs0Sn
* @param everyPage QWW7I.9r
* The everyPage to set. ^1Zq0
*/ p|9ECdU>;
publicvoid setEveryPage(int everyPage){ dG~B3xg;5i
this.everyPage = everyPage; ??%T
} b5 C}K
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/** q;a*gqt
* @return ;pNbKf:
* Returns the hasNextPage. *sIG&
*/ l[\,*C
publicboolean getHasNextPage(){ +uiH0iGS
return hasNextPage; %:;[M|.
} qT>&
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/** !e\R;bYM
* @param hasNextPage dt0E0i
* The hasNextPage to set. `~+a=Q
*/ O7'^*"S
publicvoid setHasNextPage(boolean hasNextPage){ X$h~d8@r
this.hasNextPage = hasNextPage; |XdrO
} #z^1)7
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/** 6k=Wt7C
* @return ,;e-37^0l
* Returns the hasPrePage. GoVPo'
*/ [[r3fEr$!p
publicboolean getHasPrePage(){ p$o&dQ=n[
return hasPrePage; [qD<U %Hi
} "T1#*"{j
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/** E29gnYxu8
* @param hasPrePage nTy,Jml
* The hasPrePage to set. Qbt>}?-
*/ ~Ow23N
publicvoid setHasPrePage(boolean hasPrePage){ rKs WS~U
this.hasPrePage = hasPrePage; ?O>JtEz~lQ
} L\?g/l+k
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/** 5<BV\'
* @return Returns the totalPage. E4aCGg
* 'W2$wN+P
*/ SU}oKii
/
publicint getTotalPage(){ V #\ZS{'J
return totalPage; j nA_!;b
} F t8h=
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/** ,Yprk%JT
* @param totalPage Eno2<<
* The totalPage to set. CU^3L|f2N
*/ @C [|'[xQ
publicvoid setTotalPage(int totalPage){ ,~?A.
5
this.totalPage = totalPage; \C2P{q/m
} {,C8}8a W
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} #`)-$vUv^f
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/ z?7ic0
上面的这个Page类对象只是一个完整的Page描述,接下来我写了一 M"l rwun^
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个PageUtil,负责对Page对象进行构造: F`V[G(f+r
java代码: qg:I+"u
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/*Created on 2005-4-14*/ YM*6W?
package org.flyware.util.page; '2J6%Gg
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import org.apache.commons.logging.Log; o@` E.4
import org.apache.commons.logging.LogFactory; _@;3$eB
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/** YeVc,B'
* @author Joa ~
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* m+^;\DFJ,
*/ 3[i!2iL.
publicclass PageUtil { G$`4.,g
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privatestaticfinal Log logger = LogFactory.getLog QuRg(K%:
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(PageUtil.class); GfPz^F=ie.
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/** lR2;g:&H
* Use the origin page to create a new page W3/Stt$D
* @param page U5$DJ5>8
* @param totalRecords sP8&p*TJF
* @return 4_0/]:~5
*/ Ns= b&Uyc
publicstatic Page createPage(Page page, int [ .uaO
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totalRecords){ M`fXH 3D
return createPage(page.getEveryPage(), /lQ0`^yB
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page.getCurrentPage(), totalRecords); (Tb0PzA
} |ylTy B
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/** {u6fa>R&$
* the basic page utils not including exception 6 |qvo+%
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handler `'.x*MNF
* @param everyPage gH55caF<
* @param currentPage CWsv#XOg]
* @param totalRecords 7kpW1tjY
* @return page 0F'UFn>{
*/ rAw1g,&
publicstatic Page createPage(int everyPage, int ^J~4~!
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currentPage, int totalRecords){ ?JTyNg4<
everyPage = getEveryPage(everyPage); >d
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currentPage = getCurrentPage(currentPage); Vzm+Ew
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int beginIndex = getBeginIndex(everyPage, h`rjD d
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currentPage); R:^?6f<Z}
int totalPage = getTotalPage(everyPage, +p<R'/
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totalRecords); 5(`GF|
boolean hasNextPage = hasNextPage(currentPage, -gGK(PIf
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totalPage); )stWr r&
boolean hasPrePage = hasPrePage(currentPage); B2WX#/lgd
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returnnew Page(hasPrePage, hasNextPage, L;7mt
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everyPage, totalPage, nKkTnTSa
currentPage, Z M, ^R?e
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beginIndex); A0u:Fm{E
} 8\
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privatestaticint getEveryPage(int everyPage){ gc[J.[
return everyPage == 0 ? 10 : everyPage; uCS
} K05Y;URbd
b/Q"j3
privatestaticint getCurrentPage(int currentPage){ 3Dv koV
return currentPage == 0 ? 1 : currentPage; svjFy/T(lL
} .: ;Hh~
e"mfJY
privatestaticint getBeginIndex(int everyPage, int K"$ky,tU
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currentPage){ ',7Z1O
return(currentPage - 1) * everyPage; ,)G+h#Y[*
} q\Kdu5x{
=8_TOvSJ4p
privatestaticint getTotalPage(int everyPage, int OVf|4J/Yx
0j MI)aY.
totalRecords){ !$#4D&T
int totalPage = 0; L%Q *\d
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if(totalRecords % everyPage == 0) 1A.\Ao
totalPage = totalRecords / everyPage; B4Oa7$M/U
else o?+e_n=
totalPage = totalRecords / everyPage + 1 ; &\[J
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return totalPage; Utp\}0GZY
} YKd?)$J
P32'`!/:
privatestaticboolean hasPrePage(int currentPage){ Y
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return currentPage == 1 ? false : true; wVtBeZa
} $Ws2g*i
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privatestaticboolean hasNextPage(int currentPage, B*N 8:u
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int totalPage){ M'7x:Uw;
return currentPage == totalPage || totalPage == !,uw./8@Ku
s>I}-=.(Q
0 ? false : true; dL)5~V8s
} qrh7\`,.m/
+t{FF!mL
x^BBK'
} 0k<%l6Bq
6I![5j
S-|$sV^cG
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<sOB j'
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。 <P-r)=^
K\Q
1/})
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 j,jUg}b
Q NEaj\
做法如下: a9-;8`fCR
1. 编写一个通用的结果存储类Result,这个类包含一个Page对象 DR8dJ#
^KR(p!%
的信息,和一个结果集List: p?nVPTh
java代码: u\?u}t v
75i)$}_1B
wX;NU4)n
/*Created on 2005-6-13*/ P'k39
package com.adt.bo;
ond/e&1
iJeT+}
import java.util.List; }clNXtN
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import org.flyware.util.page.Page; XW:(FzF
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/** i%w'Cs0y
* @author Joa IYN`q'%|
*/ "&F/'';0}E
publicclass Result { 2c]O Mtk
j)Gr@F>
private Page page; ccAEN
)\^OI:E
private List content; 7lu;lAAP
H;`@SJBf
/** GvY8O|a
* The default constructor _`58G#z
*/ tnntHQ&b
public Result(){ St<\qC
super(); 5Z{[.&x
} Ycm1 _z
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/** z)Gr`SA<
* The constructor using fields je\UfEo%
* (ol 3vt
* @param page l|9`22G
* @param content H]\H'r"
*/ LBR_Q0EP
public Result(Page page, List content){ ;$]R#1i44
this.page = page; WxdYvmp6z[
this.content = content; ;H.r6
} `SWK(='
^+&}:9Ml
/** S7R^%Wck/6
* @return Returns the content. WObfHAp.
*/ .H"gH-I
publicList getContent(){ V-57BKeDz
return content; ( ;q$cKy
} Ff30%
IU/*YI%W
/**
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* @return Returns the page. S5vJC-"
*/ 89l}6p/L
public Page getPage(){ 3%k+<ho(
return page; N?p$-{
} )erPp@
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/** UHHe~L
* @param content JdnZY.{S0
* The content to set. 3[$VW+YV
*/ EP
@=i
public void setContent(List content){ a<Ta *:R$0
this.content = content; @<+(40`*
} 'tc$#f^:
$xqphhBg
/** F-t-d1w6
* @param page P`0aU3pl
* The page to set. Z(FAQ\7
*/ >r3Wo%F'
publicvoid setPage(Page page){ s_|wvOW)'
this.page = page; 4YJs4CB
} ^H>vJT
} {k>m5L
;J<kG@
:&]%E/
:
f Wh7X3
yl*S|= 8;k
2. 编写业务逻辑接口,并实现它(UserManager, U i;o/Z3
6Dch+*4*@
UserManagerImpl) >13= 4S
java代码: t}K?.To$
=+u$ZZ0+]o
l#%w,gX
/*Created on 2005-7-15*/ na~ r}77o
package com.adt.service; /lUb9&yV
,}[,]-nVx
import net.sf.hibernate.HibernateException; ^I^k4iw4
!#3R<bW`R8
import org.flyware.util.page.Page; vwg\qKqSM
6Rso}hF}}
import com.adt.bo.Result; V%+KJ}S!Z
FD8aO?wvg
/** ='f>p+*c%
* @author Joa nWh?zf#{
*/ Yq.Omr!
publicinterface UserManager { tG6 o^
tcs
Z!#
public Result listUser(Page page)throws
YEGXhn5E
BZE19!
HibernateException; mu(S9
?/O+5rjA
} /OZF3Pft
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s%Z3Zj(,8(
_A(J^;?
tFRWxy[5
java代码: a/_ `1
4aGHks8Z,\
+Q{jV^IT9
/*Created on 2005-7-15*/ -Q,lUP
package com.adt.service.impl; >_R5Li
h><;TAp
import java.util.List; '&\km~&
-.xs=NwB.|
import net.sf.hibernate.HibernateException; Lz4iLLP
R+5x:mpHy
import org.flyware.util.page.Page; ]3%Z
import org.flyware.util.page.PageUtil; =U?"#
1w35H9\g
import com.adt.bo.Result; E*[X\70
import com.adt.dao.UserDAO;
B1Xn<Wv
import com.adt.exception.ObjectNotFoundException; C!:\H<gI
import com.adt.service.UserManager; >2_J(vm>
RS$e^_ W
/** KktQA*G
* @author Joa H4)){\
*/ sb;81?|
publicclass UserManagerImpl implements UserManager { DBOz<|
!Y5O3^I=u
private UserDAO userDAO; m'Wz0b^BO
8c#u"qF
/** & %1XYpA.0
* @param userDAO The userDAO to set. &B[$l`1
*/ ?QZ\KY
publicvoid setUserDAO(UserDAO userDAO){ BK,=(;d3
this.userDAO = userDAO; Y6V56pOS
} q[r|p"TGov
^>[Z~G($
/* (non-Javadoc) RXh/[t+
* @see com.adt.service.UserManager#listUser bA1uh]oB
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(org.flyware.util.page.Page) sz_|py?0
*/ `_<K#AG Ai
public Result listUser(Page page)throws C^.:{
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HibernateException, ObjectNotFoundException { "GgK,d}%
int totalRecords = userDAO.getUserCount(); $/6.4"j
if(totalRecords == 0) 3:!+B=woR
throw new ObjectNotFoundException \6*3&p
nx=Zl:Q}
("userNotExist"); u=A&n6Q[Vo
page = PageUtil.createPage(page, totalRecords); MAhcwmZNy
List users = userDAO.getUserByPage(page); J-hP4t&x
returnnew Result(page, users); 8hGp?Ihu
} |0dmdrKD
(eSa{C\
} R j1Z
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F+|zCEc
CpO!xj+
Wn<