Examples with FunctionDescr org.drools.compiler.lang.descr.FunctionDescr used on opensource projects

Example 6 with FunctionDescr

use of org.drools.compiler.lang.descr.FunctionDescr in project drools by kiegroup.

the class KnowledgeBuilderImpl method processFunctions.

private void processFunctions(PackageRegistry pkgRegistry, PackageDescr packageDescr) {
    for (FunctionDescr function : packageDescr.getFunctions()) {
        Function existingFunc = pkgRegistry.getPackage().getFunctions().get(function.getName());
        if (existingFunc != null && function.getNamespace().equals(existingFunc.getNamespace())) {
            addBuilderResult(new DuplicateFunction(function, this.configuration));
        }
    }
    for (final FunctionImportDescr functionImport : packageDescr.getFunctionImports()) {
        String importEntry = functionImport.getTarget();
        pkgRegistry.addStaticImport(functionImport);
        pkgRegistry.getPackage().addStaticImport(importEntry);
    }
}

Example 7 with FunctionDescr

use of org.drools.compiler.lang.descr.FunctionDescr in project drools by kiegroup.

the class ChangeSetBuilder method diffResource.

private static ResourceChangeSet diffResource(String file, byte[] ob, byte[] cb) {
    ResourceChangeSet pkgcs = new ResourceChangeSet(file, ChangeType.UPDATED);
    ResourceType type = ResourceType.determineResourceType(file);
    if (ResourceType.DRL.equals(type) || ResourceType.GDRL.equals(type) || ResourceType.RDRL.equals(type) || ResourceType.TDRL.equals(type)) {
        try {
            PackageDescr opkg = new DrlParser().parse(new ByteArrayResource(ob));
            PackageDescr cpkg = new DrlParser().parse(new ByteArrayResource(cb));
            String pkgName = isEmpty(cpkg.getName()) ? getDefaultPackageName() : cpkg.getName();
            String oldPkgName = isEmpty(opkg.getName()) ? getDefaultPackageName() : opkg.getName();
            if (!oldPkgName.equals(pkgName)) {
                // so it is useless to further investigate other changes
                return pkgcs;
            }
            for (RuleDescr crd : cpkg.getRules()) {
                pkgcs.getLoadOrder().add(new ResourceChangeSet.RuleLoadOrder(pkgName, crd.getName(), crd.getLoadOrder()));
            }
            // needs to be cloned
            List<RuleDescr> orules = new ArrayList<>(opkg.getRules());
            diffDescrs(ob, cb, pkgcs, orules, cpkg.getRules(), ResourceChange.Type.RULE, RULE_CONVERTER);
            // needs to be cloned
            List<FunctionDescr> ofuncs = new ArrayList<>(opkg.getFunctions());
            diffDescrs(ob, cb, pkgcs, ofuncs, cpkg.getFunctions(), ResourceChange.Type.FUNCTION, FUNC_CONVERTER);
            // needs to be cloned
            List<GlobalDescr> oglobals = new ArrayList<>(opkg.getGlobals());
            diffDescrs(ob, cb, pkgcs, oglobals, cpkg.getGlobals(), ResourceChange.Type.GLOBAL, GLOBAL_CONVERTER);
        } catch (Exception e) {
            logger.error("Error analyzing the contents of " + file + ". Skipping.", e);
        }
    }
    pkgcs.getChanges().sort(Comparator.comparingInt(r -> r.getChangeType().ordinal()));
    return pkgcs;
}

Example 8 with FunctionDescr

use of org.drools.compiler.lang.descr.FunctionDescr in project drools by kiegroup.

the class XmlPackageReaderTest method testParseFunction.

@Test
public void testParseFunction() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseFunction.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    assertEquals("com.sample", packageDescr.getName());
    final List imports = packageDescr.getImports();
    assertEquals(2, imports.size());
    assertEquals("java.util.HashMap", ((ImportDescr) imports.get(0)).getTarget());
    assertEquals("org.drools.compiler.*", ((ImportDescr) imports.get(1)).getTarget());
    final List globals = packageDescr.getGlobals();
    assertEquals(2, globals.size());
    final GlobalDescr x = (GlobalDescr) globals.get(0);
    final GlobalDescr yada = (GlobalDescr) globals.get(1);
    assertEquals("com.sample.X", x.getType());
    assertEquals("x", x.getIdentifier());
    assertEquals("com.sample.Yada", yada.getType());
    assertEquals("yada", yada.getIdentifier());
    final FunctionDescr functionDescr = (FunctionDescr) packageDescr.getFunctions().get(0);
    final List names = functionDescr.getParameterNames();
    assertEquals("foo", names.get(0));
    assertEquals("bada", names.get(1));
    final List types = functionDescr.getParameterTypes();
    assertEquals("Bar", types.get(0));
    assertEquals("Bing", types.get(1));
    assertEquals("System.out.println(\"hello world\");", functionDescr.getText().trim());
}

Example 9 with FunctionDescr

use of org.drools.compiler.lang.descr.FunctionDescr in project drools by kiegroup.

the class XmlPackageReaderTest method testParseQuery.

@Test
public void testParseQuery() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseQuery.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    assertEquals("com.sample", packageDescr.getName());
    final List imports = packageDescr.getImports();
    assertEquals(2, imports.size());
    assertEquals("java.util.HashMap", ((ImportDescr) imports.get(0)).getTarget());
    assertEquals("org.drools.compiler.*", ((ImportDescr) imports.get(1)).getTarget());
    final List globals = packageDescr.getGlobals();
    assertEquals(2, globals.size());
    final GlobalDescr x = (GlobalDescr) globals.get(0);
    final GlobalDescr yada = (GlobalDescr) globals.get(1);
    assertEquals("com.sample.X", x.getType());
    assertEquals("x", x.getIdentifier());
    assertEquals("com.sample.Yada", yada.getType());
    assertEquals("yada", yada.getIdentifier());
    final FunctionDescr functionDescr = (FunctionDescr) packageDescr.getFunctions().get(0);
    final List names = functionDescr.getParameterNames();
    assertEquals("foo", names.get(0));
    assertEquals("bada", names.get(1));
    final List types = functionDescr.getParameterTypes();
    assertEquals("Bar", types.get(0));
    assertEquals("Bing", types.get(1));
    assertEquals("System.out.println(\"hello world\");", functionDescr.getText().trim());
    final QueryDescr queryDescr = (QueryDescr) packageDescr.getRules().get(0);
    assertEquals("my query", queryDescr.getName());
    final AndDescr lhs = queryDescr.getLhs();
    assertEquals(1, lhs.getDescrs().size());
    final PatternDescr patternDescr = (PatternDescr) lhs.getDescrs().get(0);
    assertEquals("Foo", patternDescr.getObjectType());
}

Example 10 with FunctionDescr

use of org.drools.compiler.lang.descr.FunctionDescr in project drools by kiegroup.

the class XmlPackageReaderTest method testParseRhs.

@Test
public void testParseRhs() throws Exception {
    final XmlPackageReader xmlPackageReader = getXmReader();
    xmlPackageReader.read(new InputStreamReader(getClass().getResourceAsStream("test_ParseRhs.xml")));
    final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();
    assertNotNull(packageDescr);
    assertEquals("com.sample", packageDescr.getName());
    final List imports = packageDescr.getImports();
    assertEquals(2, imports.size());
    assertEquals("java.util.HashMap", ((ImportDescr) imports.get(0)).getTarget());
    assertEquals("org.drools.compiler.*", ((ImportDescr) imports.get(1)).getTarget());
    final List globals = packageDescr.getGlobals();
    assertEquals(2, globals.size());
    final GlobalDescr x = (GlobalDescr) globals.get(0);
    final GlobalDescr yada = (GlobalDescr) globals.get(1);
    assertEquals("com.sample.X", x.getType());
    assertEquals("x", x.getIdentifier());
    assertEquals("com.sample.Yada", yada.getType());
    assertEquals("yada", yada.getIdentifier());
    final FunctionDescr functionDescr = (FunctionDescr) packageDescr.getFunctions().get(0);
    final List names = functionDescr.getParameterNames();
    assertEquals("foo", names.get(0));
    assertEquals("bada", names.get(1));
    final List types = functionDescr.getParameterTypes();
    assertEquals("Bar", types.get(0));
    assertEquals("Bing", types.get(1));
    assertEquals("System.out.println(\"hello world\");", functionDescr.getText().trim());
    final RuleDescr ruleDescr = (RuleDescr) packageDescr.getRules().get(0);
    assertEquals("my rule", ruleDescr.getName());
    final String consequence = (String) ruleDescr.getConsequence();
    assertNotNull(consequence);
    assertEquals("System.out.println( \"hello\" );", consequence.trim());
}