Examples of org.openquark.cal.services.BasicCALServices.runFunction()

Class org.openquark.cal.services.BasicCALServices

Examples of org.openquark.cal.services.BasicCALServices.runFunction()

org.openquark.cal.services.BasicCALServices.runFunction()
Runs an existing CAL function and returns the result. A new default execution context is created to run the function, and then destroyed. It is worthwhile to consider creating an execution context separately and using it for all calls to runFunction, as this can be more efficient, allowing certain results to be cached between executions. @see #runFunction(EntryPointSpec,ExecutionContext,Object[]) @param entryPointSpec defines the function to run and the input and output policies to use. @param args the arguments to pass to the function - may be null if there are no arguments @return the result of running the function. @throws CALExecutorException @throws GemCompilationException


        EntryPointSpec isWellFormedEntrySpec =
            EntryPointSpec.make(QualifiedName.make(ModuleName.make("Cal.Test.Experimental.Utilities.XmlParserEngine_Tests"),
                    "isWellFormed"));
        
        Object result = cal.runFunction(isWellFormedEntrySpec, new Object[] { path });
        
        assert result instanceof Boolean;
        return ((Boolean)result).booleanValue();
   }

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        EntryPointSpec parseAndWriteSecondXmlCanonicalFormEntrySpec =
            EntryPointSpec.make(QualifiedName.make(ModuleName.make("Cal.Test.Experimental.Utilities.XmlParserEngine_Tests"),
                    "parseAndWriteSecondXmlCanonicalForm"));
        
        cal.runFunction(parseAndWriteSecondXmlCanonicalFormEntrySpec, new Object[] { inPath, outPath });
    }
    
    // CAL interop.
    /** Property which when set will override the default workspace file. */
    private static final String WORKSPACE_FILE_PROPERTY = "xmlparser.test.workspace";

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                EntryPointSpec addSpec = EntryPointSpec.make(QualifiedName.make(CAL_Prelude.MODULE_NAME, "add"), new InputPolicy[] {
                    InputPolicy.INT_INPUT_POLICY,
                    InputPolicy.DEFAULT_INPUT_POLICY
                }, OutputPolicy.DEFAULT_OUTPUT_POLICY);
                
                Object addResult = calServices.runFunction(addSpec, new Object[] { new Integer(1), new Integer(2) });
                System.out.println("Example 1 output: " + addResult.toString());
            }


            {
                //Example 2: Inferring input types

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                EntryPointSpec addSpec = EntryPointSpec.make(QualifiedName.make(CAL_Prelude.MODULE_NAME, "add"), new InputPolicy[] {
                    InputPolicy.DEFAULT_INPUT_POLICY,
                    InputPolicy.DEFAULT_INPUT_POLICY
                }, OutputPolicy.INT_OUTPUT_POLICY);
                
                Object addResult = calServices.runFunction(addSpec, new Object[] { new Integer(3), new Integer(4) });
                System.out.println("Example 2 output: " + addResult.toString());
            }


            {
                //Example 3: CAL Value Output

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                //the opaque output is then used as an input to another CAL function.
               
                //Call the allPrimes and get the resulting infinite list as an opaque CAL Value 
                EntryPointSpec allPrimesSpec = EntryPointSpec.make(QualifiedName.make(CALPlatformTestModuleNames.M1, "allPrimes"), new InputPolicy[0], OutputPolicy.CAL_VALUE_OUTPUT_POLICY);


                Object allPrimesResult = calServices.runFunction(allPrimesSpec, new Object[0]);


                //Use List.Take to get 5 values from the primes list.
                //As List.take is a polymorphic function we must specify the type of the CAL input 
                EntryPointSpec primesSpec = EntryPointSpec.make(QualifiedName.make(CAL_List.MODULE_NAME, "take"), new InputPolicy[] { 
                    InputPolicy.DEFAULT_INPUT_POLICY,

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                //As List.take is a polymorphic function we must specify the type of the CAL input 
                EntryPointSpec primesSpec = EntryPointSpec.make(QualifiedName.make(CAL_List.MODULE_NAME, "take"), new InputPolicy[] { 
                    InputPolicy.DEFAULT_INPUT_POLICY, 
                    InputPolicy.makeTypedCalValueInputPolicy(SourceModel.TypeExprDefn.List.make(SourceModel.TypeExprDefn.TypeCons.make(CAL_Prelude.TypeConstructors.Int)))}, OutputPolicy.DEFAULT_OUTPUT_POLICY);


                List<?> primesList = (List<?>) calServices.runFunction(primesSpec, new Object[] { new Integer(5), allPrimesResult});


                System.out.println("Example 3 output: " + primesList.toString());
            }

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