Package org.drools.template

Examples of org.drools.template.DataProvider

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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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        String ruleTemplate = super.marshalRule(model);
        log.debug("ruleTemplate:\n{}",
                ruleTemplate);

        DataProvider dataProvider = chooseDataProvider(model);
        DataProviderCompiler tplCompiler = new DataProviderCompiler();
        String generatedDRl = tplCompiler.compile(dataProvider,
                new ByteArrayInputStream(ruleTemplate.getBytes())).substring(PACKAGE_DECLARATION.length()).trim();
        log.debug("generated drl:\n{}",
                generatedDRl);
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                generatedDRl);
        return generatedDRl;
    }

    private DataProvider chooseDataProvider(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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    public String marshal(RuleModel model) {
      TemplateModel tplModel = (TemplateModel) model;
      String ruleTemplate = super.marshalRule(model);
      log.debug("ruleTemplate:\n{}", ruleTemplate);
      DataProviderCompiler tplCompiler = new DataProviderCompiler();
      DataProvider dataProvider;
      if (tplModel.getRowsCount() > 0) {
        dataProvider = new ArrayDataProvider(tplModel.getTableAsArray());
      } else {
        dataProvider = new ArrayDataProvider(generateEmptyIterator(tplModel));
      }
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    public String marshal(RuleModel model) {
      TemplateModel tplModel = (TemplateModel) model;
      String ruleTemplate = super.marshalRule(model);
      log.debug("ruleTemplate:\n{}", ruleTemplate);
      DataProviderCompiler tplCompiler = new DataProviderCompiler();
      DataProvider dataProvider;
      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( IoUtils.UTF8_CHARSET ) ),
                                                         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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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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