Hello all,
I have created a SPIN function, let's call it :myAskQuery, that has an ASK
query as its spin:body and thus returns a boolean.
When I try to use this function in the spin:body of another function, let's
call it :returnNumber, that has sp:arg1 as its spin:constraint, as follows:
SELECT ?returnMe
WHERE {
BIND(:myAskQuery(*?arg1*) AS ?boolean) .
BIND(IF((?boolean = true), 1, 0) AS ?returnMe) .
}
I get the following TopBraid error:
****************
Operation failed.
On: 14-Jun-2013 10:30:14 AM
Reason:
java.lang.IllegalArgumentException: Function
http://example.org#returnNumberdoes not define a valid body
at org.topbraid.spin.arq.SPINARQFunction.<init>(SPINARQFunction.java:92)
at
org.topbraid.spin.arq.SPINBodyFunctionDriver.doCreate(SPINBodyFunctionDriver.java:21)
at
org.topbraid.spin.arq.SPINBodyFunctionDriver.create(SPINBodyFunctionDriver.java:16)
at
org.topbraid.spin.arq.SPINFunctionDrivers.create(SPINFunctionDrivers.java:50)
at
org.topbraid.spintb.modules.SessionSPINFunctions.getFunctionFactoryFromModel(SessionSPINFunctions.java:107)
at
org.topbraid.spintb.modules.SessionSPINFunctions.getFunctionFactory(SessionSPINFunctions.java:88)
at
org.topbraid.spintb.modules.SPINSessionFunctionRegistry.get(SPINSessionFunctionRegistry.java:58)
at
org.topbraid.spin.arq.SPINThreadFunctionRegistry.get(SPINThreadFunctionRegistry.java:107)
at
org.topbraid.spin.system.SPINModuleRegistry.registerARQFunction(SPINModuleRegistry.java:248)
at
org.topbraid.spin.system.SPINModuleRegistry.register(SPINModuleRegistry.java:204)
at
org.topbraidcomposer.spin.functions.FunctionBodyChangeEngineListener.refreshFunction(FunctionBodyChangeEngineListener.java:62)
at
org.topbraidcomposer.spin.functions.FunctionBodyChangeEngineListener.changeOperationPerformed(FunctionBodyChangeEngineListener.java:43)
at
org.topbraid.core.change.AbstractChangeEngine.notifyListeners(AbstractChangeEngine.java:294)
at
org.topbraidcomposer.core.change.TBCChangeEngine.notifyListeners(TBCChangeEngine.java:232)
at
org.topbraid.core.change.AbstractChangeEngine.handleExecution(AbstractChangeEngine.java:251)
at
org.topbraid.core.change.AbstractChangeEngine.execute(AbstractChangeEngine.java:277)
at
org.topbraidcomposer.core.change.TBCChangeEngine.access$0(TBCChangeEngine.java:1)
at
org.topbraidcomposer.core.change.TBCChangeEngine$2.run(TBCChangeEngine.java:163)
at
org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Caused by: java.lang.NumberFormatException: For input string: ""
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:504)
at java.lang.Integer.valueOf(Integer.java:582)
at
org.topbraid.spin.model.impl.FunctionCallImpl.getArgumentProperties(FunctionCallImpl.java:64)
at
org.topbraid.spin.model.impl.FunctionCallImpl.getArguments(FunctionCallImpl.java:49)
at
org.topbraid.spin.model.impl.FunctionCallImpl.print(FunctionCallImpl.java:172)
at
org.topbraid.spin.util.SPINExpressions.printExpressionString(SPINExpressions.java:204)
at
org.topbraid.spin.model.impl.AbstractSPINResourceImpl.printNestedExpressionString(AbstractSPINResourceImpl.java:146)
at
org.topbraid.spin.model.impl.AbstractSPINResourceImpl.printNestedExpressionString(AbstractSPINResourceImpl.java:141)
at org.topbraid.spin.model.impl.BindImpl.print(BindImpl.java:54)
at
org.topbraid.spin.model.impl.ElementListImpl.print(ElementListImpl.java:139)
at
org.topbraid.spin.model.impl.AbstractSPINResourceImpl.printNestedElementList(AbstractSPINResourceImpl.java:132)
at org.topbraid.spin.model.impl.QueryImpl.printWhere(QueryImpl.java:177)
at org.topbraid.spin.model.impl.SelectImpl.print(SelectImpl.java:99)
at org.topbraid.spin.arq.ARQFactory.createCommandString(ARQFactory.java:117)
at org.topbraid.spin.arq.SPINARQFunction.<init>(SPINARQFunction.java:71)
... 18 more
****************
Why is the above spin:body not valid?
Thanks,
Alison
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