Package org.drools.template

Examples of org.drools.template.DataProvider

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        log.debug( "ruleTemplate:\n{}",
                   ruleTemplate );

        log.debug( "generated template:\n{}", ruleTemplate );

        final DataProvider dataProvider = chooseDataProvider( model );
        final DataProviderCompiler tplCompiler = new DataProviderCompiler();
        final String generatedDrl = tplCompiler.compile( dataProvider,
                                                         new ByteArrayInputStream( ruleTemplate.getBytes() ),
                                                         false );
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        return header.append( buf ).toString();
    }

    private DataProvider chooseDataProvider( final RuleModel model ) {
        DataProvider dataProvider;
        TemplateModel tplModel = (TemplateModel) model;
        if ( tplModel.getRowsCount() > 0 ) {
            dataProvider = new ArrayDataProvider( tplModel.getTableAsArray() );
        } else {
            dataProvider = generateEmptyIterator();
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        }
        return dataProvider;
    }

    private DataProvider generateEmptyIterator() {
        return new DataProvider() {

            public boolean hasNext() {
                return false;
            }
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        log.debug( "ruleTemplate:\n{}",
                   ruleTemplate );

        log.debug( "generated template:\n{}", ruleTemplate );

        final DataProvider dataProvider = chooseDataProvider( model );
        final DataProviderCompiler tplCompiler = new DataProviderCompiler();
        final String generatedDrl = tplCompiler.compile( dataProvider,
                                                         new ByteArrayInputStream( ruleTemplate.getBytes() ),
                                                         false );
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        return header.append( buf ).toString();
    }

    private DataProvider chooseDataProvider( final RuleModel model ) {
        DataProvider dataProvider;
        TemplateModel tplModel = (TemplateModel) model;
        if ( tplModel.getRowsCount() > 0 ) {
            dataProvider = new ArrayDataProvider( tplModel.getTableAsArray() );
        } else {
            dataProvider = generateEmptyIterator();
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        }
        return dataProvider;
    }

    private DataProvider generateEmptyIterator() {
        return new DataProvider() {

            public boolean hasNext() {
                return false;
            }
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        //Build rule
        final String ruleTemplate = marshalRule( model );
        log.debug( "ruleTemplate:\n{}",
                   ruleTemplate );

        final DataProvider dataProvider = chooseDataProvider( model );
        final DataProviderCompiler tplCompiler = new DataProviderCompiler();
        final String generatedDRl = tplCompiler.compile( dataProvider,
                                                         new ByteArrayInputStream( ruleTemplate.getBytes() ) );
        log.debug( "generated drl:\n{}",
                   generatedDRl );
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        this.marshalFooter( buf );
        return buf.toString();
    }

    private DataProvider chooseDataProvider( final RuleModel model ) {
        DataProvider dataProvider;
        TemplateModel tplModel = (TemplateModel) model;
        if ( tplModel.getRowsCount() > 0 ) {
            dataProvider = new ArrayDataProvider( tplModel.getTableAsArray() );
        } else {
            dataProvider = new ArrayDataProvider( generateEmptyIterator( tplModel ) );
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        log.debug( "ruleTemplate:\n{}",
                   ruleTemplate );

        log.debug( "generated template:\n{}", ruleTemplate );

        final DataProvider dataProvider = chooseDataProvider( model );
        final DataProviderCompiler tplCompiler = new DataProviderCompiler();
        final String generatedDrl = tplCompiler.compile( dataProvider,
                                                         new ByteArrayInputStream( ruleTemplate.getBytes() ),
                                                         false );
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        return header.append( buf ).toString();
    }

    private DataProvider chooseDataProvider( final RuleModel model ) {
        DataProvider dataProvider;
        TemplateModel tplModel = (TemplateModel) model;
        if ( tplModel.getRowsCount() > 0 ) {
            dataProvider = new ArrayDataProvider( tplModel.getTableAsArray() );
        } else {
            dataProvider = generateEmptyIterator();
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Related Classes of org.drools.template.DataProvider

  • org.drools.guvnor.models.guided.template.backend.BRDRTPersistence
  • org.drools.guvnor.server.util.BRDRTPersistence
  • org.drools.workbench.models.guided.template.backend.BRDRTPersistence
  • org.drools.workbench.models.guided.template.backend.RuleTemplateModelDRLPersistenceImpl
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