org.hibernate.persister.entity.AbstractEntityPersister#getPropertyColumnNames ( )源码实例Demo

public static String getColumnNameFromMetaModel(Attribute column) {
    String columnName = null;
    try {
        if (isEclipseLinkOnClasspath()) {
            columnName = ((AttributeImpl) column).getMapping().getField().getName();
        } else if (isHibernateOnClasspath() && isEntityManagerActive()) {
            AbstractEntityPersister entityMetadata = (AbstractEntityPersister) em().getEntityManagerFactory().unwrap(SessionFactory.class).getClassMetadata(column.getJavaMember().getDeclaringClass());
            columnName = entityMetadata.getPropertyColumnNames(column.getName())[0];
        }
    } catch (Exception e) {
        LOGGER.error("Could not extract database column name from column {} and type {}", column.getName(), column.getDeclaringType().getJavaType().getName(), e);
    }
    if (columnName == null) {
        columnName = convertCase(column.getName(), config);
    }
    return columnName;
}
 

public String getColumn(String model, String field) {

    SessionImpl sessionImpl = (SessionImpl) JPA.em().getDelegate();
    @SuppressWarnings("deprecation")
    AbstractEntityPersister aep =
        ((AbstractEntityPersister)
            sessionImpl.getSession().getSessionFactory().getClassMetadata(model));
    String[] columns = aep.getPropertyColumnNames(field);
    if (columns != null && columns.length > 0) {
      return columns[0];
    }

    return null;
  }
 

private static String getPropertyColumnName(Class entity, String property, SessionFactory sessionFactory) {
	ClassMetadata hibernateMetadata = sessionFactory.getClassMetadata(entity);
	AbstractEntityPersister persister = (AbstractEntityPersister) hibernateMetadata;
	String[] columnNames = persister.getPropertyColumnNames(property);
	return columnNames[0];
}