Examples with DataProviderCompiler org.drools.template.DataProviderCompiler used on opensource projects

Example 1 with DataProviderCompiler

use of org.drools.template.DataProviderCompiler in project drools by kiegroup.

the class DataDrivenTemplateExample method testCompiler.

public void testCompiler() {
    ArrayList<FeeScheduleRule> rules = new ArrayList<FeeScheduleRule>();
    FeeScheduleType standard = new FeeScheduleType("STANDARD");
    FeeScheduleType flat = new FeeScheduleType("FLAT");
    ProductType sblc = new ProductType("SBLC");
    ProductType rrc = new ProductType("RRC");
    ActivityType iss = new ActivityType("ISS");
    ActivityType osx = new ActivityType("OSX");
    FeeType commission = new FeeType("Commission");
    FeeType postage = new FeeType("Postage");
    FeeType telex = new FeeType("Telex");
    rules.add(createRule(1, flat, "", sblc, iss, commission, "Party 1", "USD", "", 0, 750, true));
    rules.add(createRule(2, standard, "Entity Branch 1", rrc, iss, commission, "", "YEN", "", 0, 1600, false));
    rules.add(createRule(3, standard, "", sblc, iss, postage, "", "YEN", "", 0, 40, true));
    rules.add(createRule(4, flat, "", sblc, osx, telex, "", "YEN", "<", 30000, 45, false));
    TestDataProvider tdp = new TestDataProvider(rules);
    final DataProviderCompiler converter = new DataProviderCompiler();
    final String drl = converter.compile(tdp, getTemplate());
    System.out.println(drl);
}

Example 2 with DataProviderCompiler

use of org.drools.template.DataProviderCompiler in project drools by kiegroup.

the class TemplatesTest method loadingFromDLRArrayCorrectnessCheck.

@Test
public void loadingFromDLRArrayCorrectnessCheck() throws Exception {
    final String[][] rows = new String[3][6];
    rows[0] = new String[] { "tomato", "weight", "200", "1000", "6", "== Taste.GOOD || == Taste.EXCELENT" };
    rows[1] = new String[] { "cucumber", "length", "20", "40", "15", "== Taste.EXCELENT" };
    rows[2] = new String[] { "carrot", "weight", "0", "1000", "2", "== Taste.HORRIBLE" };
    final ArrayDataProvider adp = new ArrayDataProvider(rows);
    final DataProviderCompiler converter = new DataProviderCompiler();
    try (InputStream resourceStream = KieServices.Factory.get().getResources().newClassPathResource("template_1.drl", getClass()).getInputStream()) {
        final String drl = converter.compile(adp, resourceStream);
        // prints rules generated from template
        LOGGER.debug(drl);
        assertEqualsIgnoreWhitespace(EXPECTED_RULES.toString(), drl);
        testCorrectnessCheck(drl);
    }
}

Example 3 with DataProviderCompiler

use of org.drools.template.DataProviderCompiler in project drools by kiegroup.

the class RuleTemplateModelDRLPersistenceImpl method marshal.

@Override
public String marshal(final RuleModel model) {
    // Build rule
    final String ruleTemplate = marshalRule(model);
    log.debug("ruleTemplate:\n{}", ruleTemplate);
    log.debug("generated template:\n{}", ruleTemplate);
    final DataProvider dataProvider = chooseDataProvider(model);
    final DataProviderCompiler tplCompiler = new DataProviderCompiler();
    final InputStream templateStream = new ByteArrayInputStream(ruleTemplate.getBytes(IoUtils.UTF8_CHARSET));
    final DefaultTemplateContainer tc = new DefaultTemplateContainer(templateStream, false);
    final TemplateDataListener listener = new TemplateDataListener(tc, false);
    final String generatedDrl = tplCompiler.compile(dataProvider, listener);
    log.debug("generated drl:\n{}", generatedDrl);
    return generatedDrl;
}