org.hibernate.SessionFactory#getAllClassMetadata ( )源码实例Demo

/**
 * 获取所有数据表
 * 
 * @return
 */
public List<DBTable> getAllDbTableName() {
	List<DBTable> resultList = new ArrayList<DBTable>();
	SessionFactory factory = getSession().getSessionFactory();
	Map<String, ClassMetadata> metaMap = factory.getAllClassMetadata();
	for (String key : (Set<String>) metaMap.keySet()) {
		DBTable dbTable = new DBTable();
		AbstractEntityPersister classMetadata = (AbstractEntityPersister) metaMap
				.get(key);
		dbTable.setTableName(classMetadata.getTableName());
		dbTable.setEntityName(classMetadata.getEntityName());
		Class<?> c;
		try {
			c = Class.forName(key);
			JeecgEntityTitle t = c.getAnnotation(JeecgEntityTitle.class);
			dbTable.setTableTitle(t != null ? t.name() : "");
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		resultList.add(dbTable);
	}
	return resultList;
}
 

/**
 * 获取所有数据表
 *
 * @return
 */
public List<DBTable> getAllDbTableName() {
	List<DBTable> resultList = new ArrayList<DBTable>();
	SessionFactory factory = getSession().getSessionFactory();
	Map<String, ClassMetadata> metaMap = factory.getAllClassMetadata();
	for (String key : (Set<String>) metaMap.keySet()) {
		DBTable dbTable = new DBTable();
		AbstractEntityPersister classMetadata = (AbstractEntityPersister) metaMap
				.get(key);
		dbTable.setTableName(classMetadata.getTableName());
		dbTable.setEntityName(classMetadata.getEntityName());
		Class<?> c;
		try {
			c = Class.forName(key);
			JeecgEntityTitle t = c.getAnnotation(JeecgEntityTitle.class);
			dbTable.setTableTitle(t != null ? t.name() : "");
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		resultList.add(dbTable);
	}
	return resultList;
}
 

public IModelStructure build() {
	
	IModelStructure dataMartStructure;
	List<IDataSourceConfiguration> subConfigurations;
	String datamartName;
	Map classMetadata;
		
	dataMartStructure = new ModelStructure();	
	dataMartStructure.setName( getDataSource().getName() );
	propertiesInitializer.addProperties(dataMartStructure);
	
	subConfigurations = getDataSource().getSubConfigurations();
	for(int i = 0; i < subConfigurations.size(); i++) {
		datamartName = subConfigurations.get(i).getModelName();
		Assert.assertNotNull(getDataSource(), "datasource cannot be null");	
		SessionFactory sf = getDataSource().getHibernateSessionFactory(datamartName);
		if(sf == null) {
			throw new MissingResourceException("Impossible to find the jar file associated to datamart named: [" + datamartName + "]"
					, SessionFactory.class.getName()
					, datamartName );
		}
		
		
		Map calculatedFields = subConfigurations.get(i).loadCalculatedFields();
		dataMartStructure.setCalculatedFields(calculatedFields);
		
		classMetadata = sf.getAllClassMetadata();
		for(Iterator it = classMetadata.keySet().iterator(); it.hasNext(); ) {
			String entityType = (String)it.next();			
			addEntity(dataMartStructure, datamartName, entityType);		
		}
	}
	
	
	return dataMartStructure;
}
 

private void loadSystemTableList(SessionFactory sessionFactory) {
    Map<String, ClassMetadata> allClassMetadata = sessionFactory.getAllClassMetadata();
    allClassMetadata.forEach((key, value) -> {
        AbstractEntityPersister abstractEntityPersister = (AbstractEntityPersister) value;
        SYSTEM_TABLE_LIST.add(abstractEntityPersister.getTableName());
    });
}
 

/**
 * 获取所有数据表
 * 
 * @return
 */
public Integer getAllDbTableSize() {
	SessionFactory factory = getSession().getSessionFactory();
	Map<String, ClassMetadata> metaMap = factory.getAllClassMetadata();
	return metaMap.size();
}
 

/**
 * 获取所有数据表
 *
 * @return
 */
public Integer getAllDbTableSize() {
	SessionFactory factory = getSession().getSessionFactory();
	Map<String, ClassMetadata> metaMap = factory.getAllClassMetadata();
	return metaMap.size();
}