121 lines
4.9 KiB
Java
121 lines
4.9 KiB
Java
package dao;
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import java.util.HashMap;
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import java.util.Map;
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import org.springframework.beans.BeansException;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import dao.entities.DMPDaoImpl;
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import dao.entities.DMPProfileDaoImpl;
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import dao.entities.DMPResearcherDaoImpl;
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import dao.entities.DataRepositoryDaoImpl;
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import dao.entities.DatasetDaoImpl;
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import dao.entities.DatasetProfileDaoImpl;
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import dao.entities.DatasetProfileRulesetDaoImpl;
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import dao.entities.DatasetProfileViewstyleDaoImpl;
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import dao.entities.DatasetRegistryDaoImpl;
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import dao.entities.DatasetServiceDaoImpl;
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import dao.entities.OrganisationDaoImpl;
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import dao.entities.ProjectDaoImpl;
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import dao.entities.RegistryDaoImpl;
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import dao.entities.ResearcherDaoImpl;
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import dao.entities.ServiceDaoImpl;
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import entities.DMP;
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import entities.DMPProfile;
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import entities.DMPResearcher;
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import entities.DataRepository;
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import entities.Dataset;
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import entities.DatasetProfile;
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import entities.DatasetProfileRuleset;
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import entities.DatasetProfileViewstyle;
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import entities.DatasetRegistry;
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import entities.DatasetService;
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import entities.Organisation;
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import entities.Project;
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import entities.Registry;
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import entities.Researcher;
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import entities.Service;
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/**
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* A DAO factory for Spring managed environment
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*/
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public class SpringJpaDaoFactory implements DaoFactory
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{
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public static class SpringApplicationContext implements ApplicationContextAware {
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private static ApplicationContext CONTEXT;
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/**
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* This method is called from within the ApplicationContext once it is
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* done starting up, it will stick a reference to itself into this bean.
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* @param context a reference to the ApplicationContext.
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*/
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public void setApplicationContext(ApplicationContext context) throws BeansException {
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CONTEXT = context;
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}
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/**
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* This is about the same as context.getBean("beanName"), except it has its
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* own static handle to the Spring context, so calling this method statically
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* will give access to the beans by name in the Spring application context.
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* As in the context.getBean("beanName") call, the caller must cast to the
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* appropriate target class. If the bean does not exist, then a Runtime error
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* will be thrown.
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* @param beanName the name of the bean to get.
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* @return an Object reference to the named bean.
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*/
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public static Object getBean(String beanName) {
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return CONTEXT.getBean(beanName);
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}
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}
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private static String persistenceUnit = null;
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private static Map<String, String> daoImpls = null;
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public static void setPersistenceContext(String persistenceUnit)
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{
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SpringJpaDaoFactory.persistenceUnit = persistenceUnit;
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}
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private static String getBeanName(String className)
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{
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return Character.toLowerCase(className.charAt(0)) +
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(className.length() > 1 ? className.substring(1) : "");
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}
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private static void populateMappings()
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{
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daoImpls = new HashMap<String, String>();
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daoImpls.put(DataRepository.class.getName(), getBeanName(DataRepositoryDaoImpl.class.getSimpleName()));
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daoImpls.put(Dataset.class.getName(), getBeanName(DatasetDaoImpl.class.getSimpleName()));
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daoImpls.put(DatasetProfile.class.getName(), getBeanName(DatasetProfileDaoImpl.class.getSimpleName()));
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daoImpls.put(DatasetProfileRuleset.class.getName(), getBeanName(DatasetProfileRulesetDaoImpl.class.getSimpleName()));
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daoImpls.put(DatasetProfileViewstyle.class.getName(), getBeanName(DatasetProfileViewstyleDaoImpl.class.getSimpleName()));
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daoImpls.put(DatasetRegistry.class.getName(), getBeanName(DatasetRegistryDaoImpl.class.getSimpleName()));
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daoImpls.put(DatasetService.class.getName(), getBeanName(DatasetServiceDaoImpl.class.getSimpleName()));
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daoImpls.put(DMP.class.getName(), getBeanName(DMPDaoImpl.class.getSimpleName()));
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daoImpls.put(DMPProfile.class.getName(), getBeanName(DMPProfileDaoImpl.class.getSimpleName()));
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daoImpls.put(DMPResearcher.class.getName(), getBeanName(DMPResearcherDaoImpl.class.getSimpleName()));
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daoImpls.put(Organisation.class.getName(), getBeanName(OrganisationDaoImpl.class.getSimpleName()));
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daoImpls.put(Project.class.getName(), getBeanName(ProjectDaoImpl.class.getSimpleName()));
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daoImpls.put(Registry.class.getName(), getBeanName(RegistryDaoImpl.class.getSimpleName()));
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daoImpls.put(Researcher.class.getName(), getBeanName(ResearcherDaoImpl.class.getSimpleName()));
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daoImpls.put(Service.class.getName(), getBeanName(ServiceDaoImpl.class.getSimpleName()));
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}
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@SuppressWarnings("rawtypes")
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public Dao getDao(Class<?> type) throws Exception
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{
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if(daoImpls == null) populateMappings();
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return (Dao)SpringApplicationContext.getBean(daoImpls.get(type.getName()));
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}
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public void overrideMappings(Map<String, String> mappings)
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{
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populateMappings();
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daoImpls.putAll(mappings);
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}
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}
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