Question

我正在使用JessTab处理本体。我需要使用XMLSchema DateTime值操作，例如比较日期。

(defrule checIntervalStatus 
(declare (salience 40))
(object (is-a http://www.w3.org/2006/time#Instant) 
        (OBJECT ?ie)
        (http://www.w3.org/2006/time#inXSDDateTime ?iet)
)
(object (is-a http://www.w3.org/2006/time#Instant) 
        (OBJECT ?ib)
        (http://www.w3.org/2006/time#inXSDDateTime ?ibt)
)
(object (is-a http://www.w3.org/2006/time#Interval) 
        (OBJECT ?oi)
        (http://www.w3.org/2006/time#hasBeginning ?ib)
        (http://www.w3.org/2006/time#hasEnd ?ie)
)
=>
(if (< ?ibt (slot-get http://.../sample.owl#q11767 http://www.w3.org/2006/time#inXSDDateTime))  
then    
(printout t "The interval " (instance-name ?oi) " has start time " ?ibt " and end time " ?iet crlf)
)
)

出现以下异常：

Jess reported an error in routine Value.javaObjectValue
while executing (<  ?ibt (slot-get http://.../sample.owl#q11767  http://www.w3.org/2006/time#inXSDDateTime))
while executing (if (< ?ibt  (slot-get http://.../sample.owl#q11767 
http://www.w3.org/2006/time#inXSDDateTime))
then (printout t "The interval "  (instance-name ?oi) " has start time " ?ibt " and end time " ?iet crlf))
while executing defrule MAIN::checkIntervalStatus
while executing (run).
  Message: '"~@http://www.w3.org/2001/XMLSchema#dateTime 2015-04-08T02:54:45.217"' is a list, not  a Java object.
 Program text: ( run )
 at  line 20.

我尝试通过以下方式将XMLSchema日期时间解析为Java Datetime：（新日期（slot-get http://.../sample.owl#q11767 http://www.w3.org/2006/time#inXSDDateTime））但又有一个例外：

消息：未找到构造函数:(新日期（slot-get http://.../sample.owl#q11767 http://www.w3.org/2006/time#inXSDDateTime））。程序文字:(运行）在第22行。嵌套异常是：java.util.Date

在jess规则中使用datetime类型操作

0 个答案: