東方未名

public ? interface ?IStaffDAO? extends ?GenericDao < Staff,?Integer > {?

public ?List?listAll();?

public ?Staff?getByLogonAndId(String?logon,?Integer?id);?

// more??

} ?

/**?*/ /**
?*?2006-11-22
?*?范型DAO接口
?*? @author ?Zou?Ang
?*?Contact?<a?href?="mailto:richardeee@gmail.com">Zou?Ang</a>
? */
public ? interface ?GenericDao < T,?PK? extends ?Serializable > ? {

???? /**?*/ /**
?????*?保存一個對象到數(shù)據(jù)庫
?????*? @param ?newInstance?需要保存的對象
?????*? @return
????? */
????PK?create(T?newInstance);
???? /**?*/ /**
?????*?從數(shù)據(jù)庫讀取一個對象
?????*? @param ?id?主鍵
?????*? @return
????? */
????T?read(PK?id);
????
???? /**?*/ /**
?????*?更新一個對象
?????*? @param ?transientObject?被更新的對象
????? */
???? void ?update(T?transientObject);
????
???? /**?*/ /**
?????*?刪除一個對象
?????*? @param ?transientObject?被刪除的對象
????? */
???? void ?delete(T?transientObject);
}

/**?*/ /**
?*?2006-11-22
?*?范型DAO實現(xiàn)
?*? @author ?Zou?Ang
?*?Contact?<a?href?="mailto:richardeee@gmail.com">Zou?Ang</a>
? */
public ? class ?GenericDaoHibernateImpl < T,PK? extends ?Serializable > ?
???? extends ?HibernateDaoSupport?
???????? implements ?GenericDao < T,?PK > ?,FinderExecutor {
????
???? private ?Class < T > ?type;
???? private ?FinderNamingStrategy?namingStrategy? = ? new ?SimpleFinderNamingStrategy();? // ?Default.?Can?override?in?config
???? private ?FinderArgumentTypeFactory?argumentTypeFactory? = ? new ?SimpleFinderArgumentTypeFactory();? // ?Default.?Can?override?in?config
????
???? public ?GenericDaoHibernateImpl(Class < T > ?type) {
???????? this .type? = ?type;
????}

???? /**/ /* ?(non-Javadoc)
?????*?@see?com.gdnfha.atcs.common.service.dao.GenericDao#create(java.lang.Object)
????? */
???? public ?PK?create(T?newInstance)? {
???????? return ?(PK)getHibernateTemplate().save(newInstance);
????}

???? /**/ /* ?(non-Javadoc)
?????*?@see?com.gdnfha.atcs.common.service.dao.GenericDao#delete(java.lang.Object)
????? */
???? public ? void ?delete(T?transientObject)? {
????????getHibernateTemplate().delete(transientObject);
????}

???? /**/ /* ?(non-Javadoc)
?????*?@see?com.gdnfha.atcs.common.service.dao.GenericDao#read(java.io.Serializable)
????? */
???? public ?T?read(PK?id)? {
???????? return ?(T)getHibernateTemplate().get(type,?id);
????}

???? /**/ /* ?(non-Javadoc)
?????*?@see?com.gdnfha.atcs.common.service.dao.GenericDao#update(java.lang.Object)
????? */
???? public ? void ?update(T?transientObject)? {
????????getHibernateTemplate().update(transientObject);
????}

???? public ?List < T > ?executeFinder(Method?method,? final ?Object[]?queryArgs)
???? {
???????? final ?Query?namedQuery? = ?prepareQuery(method,?queryArgs);
???????? return ?(List < T > )?namedQuery.list();
????}

???? public ?Iterator < T > ?iterateFinder(Method?method,? final ?Object[]?queryArgs)
???? {
???????? final ?Query?namedQuery? = ?prepareQuery(method,?queryArgs);
???????? return ?(Iterator < T > )?namedQuery.iterate();
????}
????
???? private ?Query?prepareQuery(Method?method,?Object[]?queryArgs)
???? {
???????? final ?String?queryName? = ?getNamingStrategy().queryNameFromMethod(type,?method);
???????? final ?Query?namedQuery? = ?getSession().getNamedQuery(queryName);
????????String[]?namedParameters? = ?namedQuery.getNamedParameters();
???????? if (namedParameters.length == 0 )
???????? {
????????????setPositionalParams(queryArgs,?namedQuery);
????????} ? else ? {
????????????setNamedParams(namedParameters,?queryArgs,?namedQuery);
????????}
???????? return ?namedQuery;
????}

???? private ? void ?setPositionalParams(Object[]?queryArgs,?Query?namedQuery)
???? {
???????? // ?Set?parameter.?Use?custom?Hibernate?Type?if?necessary
???????? if (queryArgs != null )
???????? {
???????????? for ( int ?i? = ? 0 ;?i? < ?queryArgs.length;?i ++ )
???????????? {
????????????????Object?arg? = ?queryArgs[i];
????????????????Type?argType? = ?getArgumentTypeFactory().getArgumentType(arg);
???????????????? if (argType? != ? null )
???????????????? {
????????????????????namedQuery.setParameter(i,?arg,?argType);
????????????????}
???????????????? else
???????????????? {
????????????????????namedQuery.setParameter(i,?arg);
????????????????}
????????????}
????????}
????}

???? private ? void ?setNamedParams(String[]?namedParameters,?Object[]?queryArgs,?Query?namedQuery)
???? {
???????? // ?Set?parameter.?Use?custom?Hibernate?Type?if?necessary
???????? if (queryArgs != null )
???????? {
???????????? for ( int ?i? = ? 0 ;?i? < ?queryArgs.length;?i ++ )
???????????? {
????????????????Object?arg? = ?queryArgs[i];
????????????????Type?argType? = ?getArgumentTypeFactory().getArgumentType(arg);
???????????????? if (argType? != ? null )
???????????????? {
????????????????????namedQuery.setParameter(namedParameters[i],?arg,?argType);
????????????????}
???????????????? else
???????????????? {
???????????????????? if (arg? instanceof ?Collection)? {
????????????????????????namedQuery.setParameterList(namedParameters[i],?(Collection)?arg);
????????????????????}
???????????????????? else
???????????????????? {
????????????????????????namedQuery.setParameter(namedParameters[i],?arg);
????????????????????}
????????????????}
????????????}
????????}
????}
????
???? public ?FinderNamingStrategy?getNamingStrategy()
???? {
???????? return ?namingStrategy;
????}

???? public ? void ?setNamingStrategy(FinderNamingStrategy?namingStrategy)
???? {
???????? this .namingStrategy? = ?namingStrategy;
????}

???? public ?FinderArgumentTypeFactory?getArgumentTypeFactory()
???? {
???????? return ?argumentTypeFactory;
????}

???? public ? void ?setArgumentTypeFactory(FinderArgumentTypeFactory?argumentTypeFactory)
???? {
???????? this .argumentTypeFactory? = ?argumentTypeFactory;
????}

}

public ? class ?SimpleFinderNamingStrategy? implements ?FinderNamingStrategy
{
???? public ?String?queryNameFromMethod(Class?findTargetType,?Method?finderMethod)
???? {
???????? return ?findTargetType.getSimpleName()? + ? " . " ? + ?finderMethod.getName();
????}
}

public ? class ?SimpleFinderArgumentTypeFactory? implements ?FinderArgumentTypeFactory
{
???? public ?Type?getArgumentType(Object?arg)
???? {
// ????????if(arg?instanceof?Enum)
// ????????{
// ????????????return?getEnumType(arg.getClass());
// ????????}
// ????????else
// ????????{
???????????? return ? null ;
// ????????}
????}

// ????private?Type?getEnumType(Class<??extends?Object>?argClass)
// ????{
// ????????Properties?p?=?new?Properties();
// ????????p.setProperty("enumClassName",?argClass.getName());
// ????????Type?enumType?=?TypeFactory.heuristicType("org.hibernate.demo.EnumUserType",?p);
// ????????return?enumType;
// ????}
}

public ? class ?FinderIntroductionAdvisor? extends ?DefaultIntroductionAdvisor
{
???? public ?FinderIntroductionAdvisor()
???? {
???????? super ( new ?FinderIntroductionInterceptor());
????}
}

public ? class ?FinderIntroductionInterceptor? implements ?IntroductionInterceptor
{

???? public ?Object?invoke(MethodInvocation?methodInvocation)? throws ?Throwable
???? {

????????FinderExecutor?executor? = ?(FinderExecutor)?methodInvocation.getThis();

????????String?methodName? = ?methodInvocation.getMethod().getName();
???????? if (methodName.startsWith( " get " )? || ?methodName.startsWith( " list " ))
???????? {
????????????Object[]?arguments? = ?methodInvocation.getArguments();
???????????? return ?executor.executeFinder(methodInvocation.getMethod(),?arguments);
????????}
???????? else ? if (methodName.startsWith( " iterate " ))
???????? {
????????????Object[]?arguments? = ?methodInvocation.getArguments();
???????????? return ?executor.iterateFinder(methodInvocation.getMethod(),?arguments);
????????}
// ????????else?if(methodName.startsWith("scroll"))
// ????????{
// ????????????Object[]?arguments?=?methodInvocation.getArguments();
// ????????????return?executor.scrollFinder(methodInvocation.getMethod(),?arguments);
// ????????}
???????? else
???????? {
???????????? return ?methodInvocation.proceed();
????????}
????}

???? public ? boolean ?implementsInterface(Class?intf)
???? {
???????? return ?intf.isInterface()? && ?FinderExecutor. class .isAssignableFrom(intf);
????}
}

?????? <!-- ??Start?:范型DAO配置?? --> ?
????? < ?bean?? id? ="abstractDaoTarget" ?
????????class? ="com.gdnfha.atcs.common.service.dao.hibernate.GenericDaoHibernateImpl" ?
????????abstract? ="true" ? > ?
????????? < ?property?? name? ="sessionFactory" ? > ?
????????????? < ?ref?? local? ="sessionFactory" ??? /> ?
????????? </ ?property? > ?
????????? < ?property?? name? ="namingStrategy" ? > ?
????????????? < ?ref?? bean? ="simpleFinderNamingStratrgy" ??? /> ?
????????? </ ?property? > ?
????? </ ?bean? > ?
?
????? < ?bean?? id? ="abstractDao" ?
????????class? ="org.springframework.aop.framework.ProxyFactoryBean" ?
????????abstract? ="true" ? > ?
????????? < ?property?? name? ="interceptorNames" ? > ?
????????????? < ?list? > ?
????????????????? < ?value? > ?finderIntroductionAdvisor? </ ?value? > ?
????????????? </ ?list? > ?
????????? </ ?property? > ?
????? </ ?bean? > ?
?
????? < ?bean?? id? ="finderIntroductionAdvisor" ?
????????class? ="com.gdnfha.atcs.common.service.dao.finder.FinderIntroductionAdvisor" ??? /> ?
?
????? < ?bean?? id? ="namingStrategy" ?
????????class? ="org.springframework.beans.factory.config.FieldRetrievingFactoryBean" ? > ?
????????? < ?property?? name? ="staticField" ? > ?
????????????? < ?value? > ?org.hibernate.cfg.ImprovedNamingStrategy.INSTANCE? </ ?value? > ?
????????? </ ?property? > ?
????? </ ?bean? > ?
?
????? < ?bean?? id? ="extendedFinderNamingStrategy" ?
????????class? ="com.gdnfha.atcs.common.service.dao.finder.impl.ExtendedFinderNamingStrategy" ??? /> ?
????????
????? < ?bean?? id? ="simpleFinderNamingStratrgy" ??class? ="com.gdnfha.atcs.common.service.dao.finder.impl.SimpleFinderNamingStrategy" ? /> ?
?????? <!-- ??End:?范型DAO配置?? --> ?
?
????? <!-- ??Start:?測試范型DAO?? --> ?
??
????? < ?bean?? id? ="staffDao" ??parent? ="abstractDao" ? > ?
????????? < ?property?? name? ="proxyInterfaces" ? > ?
????????????? < ?value? > ?com.gdnfha.atcs.maintain.service.dao.IStaffDAO????? </ ?value? > ?
????????? </ ?property? > ?
????????? < ?property?? name? ="target" ? > ?
????????????? < ?bean?? parent? ="abstractDaoTarget" ? > ?
????????????????? < ?constructor-arg? > ?
????????????????????? < ?value? > ?com.gdnfha.atcs.common.pojo.Staff? </ ?value? > ?
????????????????? </ ?constructor-arg? > ?
????????????? </ ?bean? > ?
????????? </ ?property? > ?
????? </ ?bean? > ?
?
????? <!-- ???End:測試范型DAO?? --> ?