Package org.drools.runtime.rule

Examples of org.drools.runtime.rule.AccumulateFunction

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        if ( accumDescr.isExternalFunction() ) {
            // if it is an external function, build a method for it
            // TODO: add the support to multiple functions
            AccumulateFunctionCallDescr func = accumDescr.getFunctions().get( 0 );
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( func.getFunction() );

            if ( function == null ) {
                context.getErrors().add( new DescrBuildError( accumDescr,
                                                              context.getRuleDescr(),
                                                              null,
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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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                                                                              "this" );

        int index = 0;
        for ( AccumulateFunctionCallDescr fc : funcCalls ) {
            // find the corresponding function
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( fc.getFunction() );
            if ( function == null ) {
                context.getErrors().add( 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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            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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            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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                                                   previousDeclarations,
                                                   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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                                                                              "this" );

        int index = 0;
        for ( AccumulateFunctionCallDescr func : functions ) {
            // build an external function executor
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( func.getFunction() );
            if ( function == null ) {
                context.getErrors().add( new DescrBuildError( accumDescr,
                                                              context.getRuleDescr(),
                                                              null,
                                                              "Unknown accumulate function: '" + func.getFunction() + "' on rule '" + context.getRuleDescr().getName()
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                                                                              "this" );

        int index = 0;
        for ( AccumulateFunctionCallDescr fc : funcCalls ) {
            // find the corresponding function
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( fc.getFunction() );
            if ( function == null ) {
                context.getErrors().add( 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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                                                                              "this" );

        int index = 0;
        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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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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