RelationServiceExample.java 文件源码

public void borrowBooks(String relationId, String roleName, ObjectName bookToAdd)
{
   Logger logger = getLogger();
   try
   {
      // get the old values
      ArrayList oldRoleValue = getRoleValue(relationId, roleName);
      ArrayList newRoleValue = (ArrayList)oldRoleValue.clone();
      newRoleValue.add(bookToAdd);
      // now we update the values
      Role role = new Role(roleName, newRoleValue);
      Object[] params1 = {relationId, role};
      String[] signature1 = {"java.lang.String", "javax.management.relation.Role"};
      m_server.invoke(m_relationObjectName, "setRole", params1, signature1);
   }
   catch (Exception ex)
   {
      logger.error("Unable to add a book");
      ex.printStackTrace();
   }
}