以文本方式查看主题

-  中文XML论坛 - 专业的XML技术讨论区  (http://bbs.xml.org.cn/index.asp)
--  『 DTD/XML Schema 』  (http://bbs.xml.org.cn/list.asp?boardid=23)
----  [求助]请教大侠：这个service定义有什么错误  (http://bbs.xml.org.cn/dispbbs.asp?boardid=23&rootid=&id=10692)

--  作者：pinky
--  发布时间：9/29/2004 2:52:00 PM

--  [求助]请教大侠：这个service定义有什么错误
下面的代码是用owl_s定义了一个计算器的webservice. 需要输入a,b两个参数，然后先将a,b进行相加，然后再将a,b进行相减，最后将两次计算的结果c,c'进行相乘。

但是现在遇到很奇怪的问题，在运行成功一次后，再次运行输入参数，就会在进行相减的时候显示缺少参数B.

那位大侠可以帮我看一下出了什么问题呢？谢谢了。

<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF
  xmlns:owl=          "http://www.w3.org/2002/07/owl#"
  xmlns:rdfs=         "http://www.w3.org/2000/01/rdf-schema#"
  xmlns:rdf=          "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:factbook=     "http://www.daml.org/2003/09/factbook/factbook-ont#"
  xmlns:service=      "http://www.daml.org/services/owl-s/1.0/Service.owl#"
  xmlns:process=      "http://www.daml.org/services/owl-s/1.0/Process.owl#"
  xmlns:profile=      "http://www.daml.org/services/owl-s/1.0/Profile.owl#"
  xmlns:grounding=
"http://www.daml.org/services/owl-s/1.0/Grounding.owl#"
  xml:base=           "http://localhost:8080/ws/Calculator.owl"
>

        <owl:Ontology rdf:about="">
                <owl:imports rdf:resource="http://localhost:8080/ws/Addition.owl"/>
                <owl:imports rdf:resource="http://localhost:8080/ws/Subtraction.owl"/>
                <owl:imports rdf:resource="http://localhost:8080/ws/Multiplication.owl"/>
        </owl:Ontology>

<!-- Service description -->
<service:Service rdf:ID="CalculatorService">
        <service:presents rdf:resource="#CalculatorProfile"/>

        <service:describedBy rdf:resource="#CalculatorProcessModel"/>

        <service:supports rdf:resource="#CalculatorGrounding"/>
</service:Service>

<!-- Profile description -->
<profile:Profile rdf:ID="CalculatorProfile">
        <service:isPresentedBy rdf:resource="#CalculatorService"/>

        <profile:serviceName xml:lang="en">Calculator</profile:serviceName>
        <profile:textDescription xml:lang="en">Returns the calculator of A e B in
all operations</profile:textDescription>

        <profile:hasInput rdf:resource="#a"/>
        <profile:hasInput rdf:resource="#b"/>
        <profile:hasOutput rdf:resource="#c"/>
</profile:Profile>

<!-- Process Model description -->
<process:ProcessModel rdf:ID="CalculatorProcessModel">
        <service:describes rdf:resource="#CalculatorService"/>
        <process:hasProcess rdf:resource="#CalculatorProcess"/>
</process:ProcessModel>

<process:CompositeProcess rdf:ID="CalculatorProcess">
        <process:hasInput rdf:resource="#a"/>
        <process:hasInput rdf:resource="#b"/>
        <process:hasOutput rdf:resource="#c"/>

        <process:composedOf>
                <process:Sequence>
                        <process:components rdf:parseType="Collection">
                                <process:AtomicProcess
rdf:about="http://localhost:8080/ws/Addition.owl#AdditionProcess"/>
                                <process:AtomicProcess
rdf:about="http://localhost:8080/ws/Subtraction.owl#SubtractionProcess"/>
                                <process:AtomicProcess
rdf:about="http://localhost:8080/ws/Multiplication.owl#MultiplicationProcess
"/>
                        </process:components>
                </process:Sequence>
        </process:composedOf>
<!--Passa o valor A da calculator para A da Addition -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter rdf:resource="#a"/>
                        <process:atProcess rdf:resource="#CalculatorProcess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Addition.owl#a"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Addition.owl#AdditionProcess"/>
                </process:ValueOf>
        </process:sameValues>

<!--Passa o valor B da calculator para B da Addition -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter rdf:resource="#b"/>
                        <process:atProcess rdf:resource="#CalculatorProcess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Addition.owl#b"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Addition.owl#AdditionProcess"/>
                </process:ValueOf>
        </process:sameValues>

<!--Passa o valor A da Addition para A da Subtraction -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Addition.owl#a"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Addition.owl#AdditionProcess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Subtraction.owl#a"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Subtraction.owl#SubtractionProcess"/>
                </process:ValueOf>
        </process:sameValues>

<!--Passa o valor B da Addition para B da Subtraction -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Addition.owl#b"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Addition.owl#AdditionProcess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Subtraction.owl#b"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Subtraction.owl#SubtractionProcess"/>
                </process:ValueOf>
        </process:sameValues>

<!--Passa o valor C da Subtracao para A da Multiplicacao -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Subtraction.owl#c"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Subtraction.owl#SubtractionProcess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Multiplication.owl#a"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Multiplication.owl#MultiplicationProc
ess"/>
                </process:ValueOf>
        </process:sameValues>

<!--Passa o valor C da Adicao para B da Multiplicacao -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Addition.owl#c"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Addition.owl#AdditionProcess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Multiplication.owl#b"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Multiplication.owl#MultiplicationProc
ess"/>
                </process:ValueOf>
        </process:sameValues>

<!--Passa o valor C da Multiplicacao para C da Calculator -->
        <process:sameValues rdf:parseType="Collection">
                <process:ValueOf>
                        <process:theParameter
rdf:resource="http://localhost:8080/ws/Multiplication.owl#c"/>
                        <process:atProcess
rdf:resource="http://localhost:8080/ws/Multiplication.owl#MultiplicationProc
ess"/>
                </process:ValueOf>
                <process:ValueOf>
                        <process:theParameter rdf:resource="#c"/>
                        <process:atProcess rdf:resource="#CalculatorProcess"/>
                </process:ValueOf>
        </process:sameValues>
</process:CompositeProcess>

<process:Input rdf:ID="a">
        <process:parameterType
rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
        <rdfs:label>Calc A</rdfs:label>
</process:Input>

<process:Input rdf:ID="b">
        <process:parameterType
rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
        <rdfs:label>Calc B</rdfs:label>
</process:Input>

<process:Output rdf:ID="c">
        <process:parameterType
rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
        <rdfs:label>Calc Result</rdfs:label>
</process:Output>

<!-- Grounding description -->
<grounding:WsdlGrounding rdf:ID="CalculatorGrounding">
        <!-- service:supportedBy rdf:resource="#BabelFishTranslatorService"/-->
        <grounding:hasAtomicProcessGrounding
rdf:resource="http://localhost:8080/ws/Addition.owl#AdditionProcessGrounding
"/>
        <grounding:hasAtomicProcessGrounding
rdf:resource="http://localhost:8080/ws/Subtraction.owl#SubtractionProcessGro
unding"/>
        <grounding:hasAtomicProcessGrounding
rdf:resource="http://localhost:8080/ws/Multiplication.owl#MultiplicationProc
essGrounding"/>
</grounding:WsdlGrounding>

</rdf:RDF>
***********************
Here also the runnig application when it works, and when it dos not works:
Service:Calculator
Values:{Calc A=5, Calc B=3}
Start executing process CalculatorProcess
   Start executing process AdditionProcess
   [DONE]
   Start executing process SubtractionProcess
   [DONE]
   Start executing process MultiplicationProcess
   [DONE]
[DONE]
Executed service 'Calculator'
A   = 5
B  = 3
Output =
16
********************
Service:Calculator
Values:{Calc A=5, Calc B=3}
Start executing process CalculatorProcess
   Start executing process AdditionProcess
   [DONE]
   Start executing process SubtractionProcess
Exception in thread "main" java.lang.Exception: Value of input parameter
'Sub B'
is not set!
        at
org.mindswap.owls.grounding.impl.WSDLAtomicGroundingImpl.invoke(WSDLA
tomicGroundingImpl.java:134)
        at
org.mindswap.owls.process.execution.impl.ProcessExecutionEngineImpl.e
xecuteAtomic(ProcessExecutionEngineImpl.java:117)
        at
org.mindswap.owls.process.execution.impl.ProcessExecutionEngineImpl.e
xecute(ProcessExecutionEngineImpl.java:104)
        at
org.mindswap.owls.process.execution.impl.ProcessExecutionEngineImpl.e
xecuteOrdered(ProcessExecutionEngineImpl.java:147)
        at
org.mindswap.owls.process.execution.impl.ProcessExecutionEngineImpl.e
xecuteConstruct(ProcessExecutionEngineImpl.java:122)
        at
org.mindswap.owls.process.execution.impl.ProcessExecutionEngineImpl.e
xecute(ProcessExecutionEngineImpl.java:107)
        at examples.RunService2.runZipCode(RunService2.java:84)
        at examples.RunService2.main(RunService2.java:101)

W 3 C h i n a ( since 2003 ) 旗 下 站 点
苏ICP备05006046号《全国人大常委会关于维护互联网安全的决定》《计算机信息网络国际联网安全保护管理办法》
 78.125ms