Package org.drools.runtime.rule

Examples of org.drools.runtime.rule.AccumulateFunction

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        int index = 0;
        Pattern pattern = (Pattern) context.getBuildStack().peek();
        for ( AccumulateFunctionCallDescr func : functions ) {
            // build an external function executor
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( func.getFunction() );
            if ( function == null ) {
                context.addError( new DescrBuildError( accumDescr,
                                                              context.getRuleDescr(),
                                                              null,
                                                              "Unknown accumulate function: '" + func.getFunction() + "' on rule '" + context.getRuleDescr().getName()
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            return getDefaultDialect();
        } else if ( name.equals( DefaultPackageNameOption.PROPERTY_NAME ) ) {
            return getDefaultPackageName();
        } else if ( name.startsWith( AccumulateFunctionOption.PROPERTY_NAME ) ) {
            int index = AccumulateFunctionOption.PROPERTY_NAME.length();
            AccumulateFunction function = this.accumulateFunctions.get( name.substring( index ) );
            return function != null ? function.getClass().getName() : null;
        } else if ( name.startsWith( EvaluatorOption.PROPERTY_NAME ) ) {
            String key = name.substring( name.lastIndexOf( '.' ) + 1 );
            EvaluatorDefinition evalDef = this.evaluatorRegistry.getEvaluatorDefinition( key );
            return evalDef != null ? evalDef.getClass().getName() : null;
        } else if ( name.equals( DumpDirOption.PROPERTY_NAME ) ) {
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        int index = 0;
        Pattern pattern = (Pattern) context.getBuildStack().peek();
        for ( AccumulateFunctionCallDescr fc : funcCalls ) {
            // find the corresponding function
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( fc.getFunction() );
            if ( function == null ) {
                context.addError( new DescrBuildError( accumDescr,
                                                              context.getRuleDescr(),
                                                              null,
                                                              "Unknown accumulate function: '" + fc.getFunction() + "' on rule '" + context.getRuleDescr().getName() + "'. All accumulate functions must be registered before building a resource." ) );
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                                                                           new String[]{"this", "drools", "kcontext", "rule", decl.getIdentifier()}, // input identifiers
                                                                           new String[]{Object.class.getName(), KnowledgeHelper.class.getName(), KnowledgeHelper.class.getName(), Rule.class.getName(), decl.getValueType().getClassType().getName()}, // input types
                                                                           4,
                                                                           false );

            AccumulateFunction accFunction = new SumAccumulateFunction();

            Accumulator accumulator = new MVELAccumulatorFunctionExecutor( compilationUnit,
                                                                           accFunction );
            ((MVELCompileable) accumulator).compile( data );
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    @Test
    public void testAccumulateFunctionConfiguration() {
        Set<String> keySet = new HashSet<String>();
        // in this use case, the application already has the instance of the accumulate function
        AccumulateFunction function = new AverageAccumulateFunction();
       
        // creating the option and storing in a local var just to make test easier
        AccumulateFunctionOption option = AccumulateFunctionOption.get( "avg", function );
       
        // wiring the accumulate function using the type safe method
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                                                                   sourceDeclArr,
                                                                   requiredGlobals );
            map.put( "readLocalsFromTuple",
                     accumDescr.isMultiPattern() ? Boolean.TRUE : Boolean.FALSE );

            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( accumDescr.getFunctionIdentifier() );

            JavaAccumulatorFunctionExecutor accumulator = new JavaAccumulatorFunctionExecutor( function );

            accumulate = new Accumulate( source,
                                         previousDeclarations,
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            return getDefaultDialect();
        } else if ( name.equals( DefaultPackageNameOption.PROPERTY_NAME ) ) {
            return getDefaultPackageName();
        } else if ( name.startsWith( AccumulateFunctionOption.PROPERTY_NAME ) ) {
            int index = AccumulateFunctionOption.PROPERTY_NAME.length();
            AccumulateFunction function = this.accumulateFunctions.get( name.substring( index ) );
            return function != null ? function.getClass().getName() : null;
        } else if ( name.startsWith( EvaluatorOption.PROPERTY_NAME ) ) {
            String key = name.substring( name.lastIndexOf( '.' ) + 1 );
            EvaluatorDefinition evalDef = this.evaluatorRegistry.getEvaluatorDefinition( key );
            return evalDef != null ? evalDef.getClass().getName() : null;
        } else if ( name.equals( DumpDirOption.PROPERTY_NAME ) ) {
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                                                                           previousDeclarations,
                                                                           (Declaration[]) source.getOuterDeclarations().values().toArray( new Declaration[source.getOuterDeclarations().size()] ),
                                                                           null,
                                                                           context );

                AccumulateFunction function = context.getConfiguration().getAccumulateFunction( accumDescr.getFunctionIdentifier() );

                accumulator = new MVELAccumulatorFunctionExecutor( unit,
                                                                   function );
            } else {
                // it is a custom accumulate
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            return getDefaultDialect();
        } else if ( name.equals( DefaultPackageNameOption.PROPERTY_NAME ) ) {
            return getDefaultPackageName();
        } else if ( name.startsWith( AccumulateFunctionOption.PROPERTY_NAME ) ) {
            int index = AccumulateFunctionOption.PROPERTY_NAME.length();
            AccumulateFunction function = this.accumulateFunctions.get( name.substring( index ) );
            return function != null ? function.getClass().getName() : null;
        } else if ( name.startsWith( EvaluatorOption.PROPERTY_NAME ) ) {
            String key = name.substring( name.lastIndexOf( '.' ) + 1 );
            EvaluatorDefinition evalDef = this.evaluatorRegistry.getEvaluatorDefinition( key );
            return evalDef != null ? evalDef.getClass().getName() : null;
        } else if ( name.equals( DumpDirOption.PROPERTY_NAME ) ) {
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                      config.getProperty( DefaultDialectOption.PROPERTY_NAME ) );
    }
   
    public void testAccumulateFunctionConfiguration() {
        // in this use case, the application already has the instance of the accumulate function
        AccumulateFunction function = new AverageAccumulateFunction();
       
        // creating the option and storing in a local var just to make test easier
        AccumulateFunctionOption option = AccumulateFunctionOption.get( "avg", function );
       
        // wiring the accumulate function using the type safe method
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Related Classes of org.drools.runtime.rule.AccumulateFunction

  • org.drools.builder.KnowledgeBuilderConfigurationTest
  • org.drools.compiler.PackageBuilderConfiguration
  • org.drools.reteoo.test.dsl.AccumulateNodeStep
  • org.drools.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.rule.builder.dialect.mvel.MVELAccumulateBuilder
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