Example usage for javax.persistence EntityManagerFactory getMetamodel

Introduction

In this page you can find the example usage for javax.persistence EntityManagerFactory getMetamodel.

Prototype

public Metamodel getMetamodel();

Source Link

Document

Return an instance of Metamodel interface for access to the metamodel of the persistence unit.

Usage

From source file:com.clustercontrol.accesscontrol.util.ObjectPrivilegeUtil.java

/** ??? */
private static void createObjectPrivilegeMap() {
    if (m_objectPrivilegeMap == null || m_objectPrivilegeMap.size() == 0) {
        EntityManagerFactory emf = new JpaTransactionManager().getEntityManager().getEntityManagerFactory();
        Set<EntityType<?>> entityTypes = emf.getMetamodel().getEntities();
        String str = "";
        for (EntityType<?> entityType : entityTypes) {
            Class<?> clazz = entityType.getBindableJavaType();
            if (ObjectPrivilegeTargetInfo.class.isAssignableFrom(clazz)) {
                try {
                    HinemosObjectPrivilege hinemosObjectPrivilege = clazz
                            .getAnnotation(HinemosObjectPrivilege.class);
                    String objectType = hinemosObjectPrivilege.objectType();
                    if (hinemosObjectPrivilege.isModifyCheck()) {
                        str += "[" + objectType + "," + clazz + "] ";

                        if (m_objectPrivilegeMap.get(objectType) != null) {
                            m_log.warn("duplicate objectType=" + objectType);
                        }/* w  w  w.jav a2  s.  c  o  m*/
                        m_objectPrivilegeMap.put(objectType, clazz);
                    }
                } catch (Exception e) {
                    continue;
                }
            }
        }
        m_log.info("objectMap=" + str);
    }
}

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From source file:com.github.gekoh.yagen.util.MappingUtils.java

public static String getVersionFieldName(EntityManagerFactory emf, Class entityClass) {
    EntityType entityType = emf.getMetamodel().entity(entityClass);
    SingularAttribute version;//from ww  w.  ja va 2  s  .  c o m
    if (entityType != null && (version = entityType.getVersion(Long.class)) != null) {
        return version.getName();
    }
    return null;
}

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From source file:com.github.gekoh.yagen.util.MappingUtils.java

public static Class[] getEntityClasses(EntityManagerFactory emf) throws Exception {
    Set<EntityType<?>> entities = emf.getMetamodel().getEntities();
    Class[] classes = new Class[entities.size()];
    int arrIdx = 0;
    for (EntityType<?> entityType : entities) {
        classes[arrIdx++] = entityType.getJavaType();
    }//from ww  w.  j  ava2s.  c  o m
    return classes;
}

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From source file:com.github.gekoh.yagen.util.MappingUtils.java

public static Set<Attribute> getCollectionDescriptors(EntityManagerFactory emf, Class entityClass) {
    Set<Attribute> attributes = new HashSet<Attribute>();
    EntityType entityType = emf.getMetamodel().entity(entityClass);
    for (Object o : entityType.getDeclaredAttributes()) {
        Attribute attribute = (Attribute) o;
        if (Collection.class.isAssignableFrom(attribute.getJavaType())) {
            attributes.add(attribute);//  w ww . j a  va 2 s.co  m
        }
    }
    return attributes;
}

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From source file:com.github.gekoh.yagen.util.MappingUtils.java

public static Map<String, Field> getNonCollectionReferences(EntityManagerFactory emf, Class entityClass) {
    Map<String, Field> fields = new HashMap<String, Field>();
    appendNonCollectionReferences(emf.getMetamodel().entity(entityClass).getAttributes(), fields, "");
    return fields;
}

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From source file:com.github.gekoh.yagen.util.MappingUtils.java

public static Map<Class, Set<Class>> getMasterToDetailClassesMap(EntityManagerFactory emf) throws Exception {
    Map<Class, TreeEntity> treeEntities = new HashMap<Class, TreeEntity>();

    for (EntityType entityType : emf.getMetamodel().getEntities()) {
        Class entityClass = entityType.getJavaType();
        if (!treeEntities.containsKey(entityClass)) {
            treeEntities.put(entityClass, new TreeEntity(entityClass));
        }/*from  w w w  . j  av  a2  s  .c o m*/

        fillTreeEntityMap(treeEntities, entityType.getAttributes(), entityClass);
    }

    Map<Class, Set<Class>> m2dMap = new HashMap<Class, Set<Class>>();

    for (Map.Entry<Class, TreeEntity> entry : treeEntities.entrySet()) {
        Class detail = entry.getKey();
        for (Class master : entry.getValue().getMasterEntities()) {
            Set<Class> details = m2dMap.get(master);
            if (details == null) {
                m2dMap.put(master, details = new HashSet<Class>());
            }
            details.add(detail);
        }
    }

    return m2dMap;
}

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From source file:com.github.gekoh.yagen.util.MappingUtils.java

public static Iterator<Class> getClassesSequenceIterator(EntityManagerFactory emf, boolean topDown)
        throws Exception {
    Map<Class, TreeEntity> treeEntities = new HashMap<Class, TreeEntity>();

    for (EntityType entityType : emf.getMetamodel().getEntities()) {
        Class entityClass = entityType.getJavaType();
        if (!treeEntities.containsKey(entityClass)) {
            treeEntities.put(entityClass, new TreeEntity(entityClass));
        }//from www . j a  v a 2  s .  c  om

        fillTreeEntityMap(treeEntities, entityType.getAttributes(), entityClass);
    }

    for (TreeEntity treeEntity : treeEntities.values()) {
        if (topDown) {
            treeEntity.calculateMaxLevel(treeEntities);
        } else {
            treeEntity.calculateMinLevel(treeEntities);
        }
    }

    List<TreeEntity> sorted = new ArrayList<TreeEntity>(treeEntities.values());
    Collections.sort(sorted);

    if (!topDown) {
        Collections.reverse(sorted);
    }

    List<Class> sortedClasses = new ArrayList<Class>(sorted.size());
    for (TreeEntity treeEntity : sorted) {
        sortedClasses.add(treeEntity.getEntityClass());
    }

    return sortedClasses.iterator();
}

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From source file:org.jnap.core.persistence.factory.DaoFactory.java

public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
    Assert.isAssignable(DefaultListableBeanFactory.class, beanFactory.getClass(),
            "The DaoFactory only works within a DefaultListableBeanFactory capable "
                    + "BeanFactory. Your BeanFactory is " + beanFactory.getClass());
    this.beanFactory = beanFactory;
    final DefaultListableBeanFactory listableBeanFactory = (DefaultListableBeanFactory) beanFactory;

    String[] factoryNames = beanFactory.getBeanNamesForType(EntityManagerFactory.class);
    Set<EntityManagerFactory> factories = new HashSet<EntityManagerFactory>(factoryNames.length);
    for (String factoryName : factoryNames) {
        factories.add(beanFactory.getBean(factoryName, EntityManagerFactory.class));
    }//from   ww  w.ja  v  a 2 s .co  m

    for (EntityManagerFactory factory : factories) {
        factory.getMetamodel().getEntities();
        for (EntityType<?> entityMetadata : factory.getMetamodel().getEntities()) {
            Class<? extends PersistentModel> entityClass = (Class<? extends PersistentModel>) entityMetadata
                    .getJavaType();
            if (entityClass != null && !isDaoDefinedForEntity(beanFactory, entityClass)) {
                String daoName = buildDaoName(entityClass);
                listableBeanFactory.registerBeanDefinition(daoName, createDaoDefinition(entityClass, factory));
                daoNameCache.put(entityClass, daoName);
            }
        }
    }

    factories.clear();
    factories = null;
}

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From source file:org.jnap.core.persistence.factory.DaoFactoryBkp.java

public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
    Assert.isAssignable(DefaultListableBeanFactory.class, registry.getClass(),
            "The DaoFactory only works within a DefaultListableBeanFactory capable"
                    + "BeanFactory, your BeanDefinitionRegistry is " + registry.getClass());
    final DefaultListableBeanFactory beanFactory = (DefaultListableBeanFactory) registry;

    // Initialize all SessionFactory beans
    String[] factoryNames = beanFactory.getBeanNamesForType(EntityManagerFactory.class);
    Set<EntityManagerFactory> factories = new HashSet<EntityManagerFactory>(factoryNames.length);
    for (String factoryName : factoryNames) {
        factories.add(beanFactory.getBean(factoryName, EntityManagerFactory.class));
    }//from   w  w  w . j  a  v  a2 s. c om

    for (EntityManagerFactory factory : factories) {
        factory.getMetamodel().getEntities();
        for (EntityType<?> entityMetadata : factory.getMetamodel().getEntities()) {
            Class<? extends PersistentModel> entityClass = (Class<? extends PersistentModel>) entityMetadata
                    .getJavaType();
            if (entityClass != null && !isDaoDefinedForEntity(beanFactory, entityClass)) {
                String daoName = buildDaoName(entityClass);
                beanFactory.registerBeanDefinition(daoName, createDaoDefinition(entityClass, factory));
                daoNameCache.put(entityClass, daoName);
            }
        }
    }

    factories.clear();
    factories = null;
}

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From source file:com.hgsoft.example.hello.web.HelloServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    System.out.println("doPost");
    WebApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
    //      String[] beanNames = context.getBeanDefinitionNames();
    //      if(beanNames != null)
    //      {//from   ww  w.  j  av  a  2  s.  c  o  m
    //         for(String beanName:beanNames)
    //         {
    //            System.out.println("bean name >> "+beanName);
    //         }
    //      }
    //      HelloWorldBusiness helloWorldBusiness = context.getBean("helloWorldBusiness",HelloWorldBusiness.class);
    //      helloWorldBusiness.hello();

    //       BlueprintContainer container = (BlueprintContainer) getServletContext().getAttribute(BlueprintContextListener.CONTAINER_ATTRIBUTE);
    //
    //       System.out.println("BlueprintContainer "+container);
    //       
    //       Set<String> componentIds =  container.getComponentIds();
    //       if(componentIds != null)
    //      {
    //         for(String componentId:componentIds)
    //         {
    //            System.out.println("componentId >> "+componentId);
    //         }
    //      }
    //jndi?
    HelloWorldService helloWorldService = (HelloWorldService) JNDIHelper.getHelloWorldService();
    helloWorldService.hello();

    EntityManagerFactory emf = (EntityManagerFactory) context.getBean("entityManagerFactory");
    Metamodel model = emf.getMetamodel();

    resp.setContentType("text/html");
    PrintWriter out = resp.getWriter();
    out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
    out.println("<HTML>");
    out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
    out.println("  <BODY>");
    out.print("    This is the result of test: ");
    if (null != model) {
        if (null != model.getEntities()) {
            for (EntityType type : model.getEntities()) {
                out.print(type.getName());
            }
        }

    }
    out.println("  </BODY>");
    out.println("</HTML>");
    out.flush();
    out.close();

}

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