@Test
public void testMVELDebugSymbols() throws DroolsParserException {
MVELDebugHandler.setDebugMode(true);
try {
final DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
final PackageDescr pkgDescr =
parser.parse(new InputStreamReader(getClass().getResourceAsStream("mvel_rule.drl")));
// just checking there is no parsing errors
assertFalse(parser.getErrors().toString(), parser.hasErrors());
InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.drools");
final RuleDescr ruleDescr = pkgDescr.getRules().get(0);
final RuleBuilder builder = new RuleBuilder();
final KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
DialectCompiletimeRegistry dialectRegistry =
pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
Dialect dialect = dialectRegistry.getDialect("mvel");
RuleBuildContext context =
new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, dialect);
builder.build(context);
assertTrue(context.getErrors().toString(), context.getErrors().isEmpty());
final RuleImpl rule = context.getRule();
MVELConsequence mvelCons = (MVELConsequence) rule.getConsequence();
mvelCons.compile(
(MVELDialectRuntimeData)
pkgBuilder
.getPackageRegistry(pkg.getName())
.getDialectRuntimeRegistry()
.getDialectData("mvel"));
String s = DebugTools.decompile(mvelCons.getCompExpr());
int fromIndex = 0;
int count = 0;
while ((fromIndex = s.indexOf("DEBUG_SYMBOL", fromIndex + 1)) > -1) {
count++;
}
assertEquals(4, count);
} finally {
MVELDebugHandler.setDebugMode(false);
}
}
private static void bigBlobCompile() throws DroolsParserException, IOException, Exception {
StringBuilder buf = new StringBuilder();
buf.append(getHeader());
for (int i = 0; i < RULE_COUNT; i++) {
String name = "x" + i;
int status = i;
String r = getTemplate1(name, status);
buf.append(r);
}
/* love you */ long time = System.currentTimeMillis();
DrlParser ps = new DrlParser(LanguageLevelOption.DRL5);
PackageDescr pkg = ps.parse(new StringReader(buf.toString()));
System.err.println("Time taken for parsing: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
PackageBuilder b = new PackageBuilder();
b.addPackage(pkg);
assertFalse(b.getErrors().toString(), b.hasErrors());
System.err.println("Time taken for compiling: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
Package p = b.getPackage();
RuleBase rb = RuleBaseFactory.newRuleBase();
rb.addPackage(p);
System.err.println("Time taken rete building: " + (System.currentTimeMillis() - time));
File f = new File("foo.rulebase");
if (f.exists()) f.delete();
time = System.currentTimeMillis();
ObjectOutput out = new DroolsObjectOutputStream(new FileOutputStream(f));
out.writeObject(rb);
out.flush();
out.close();
System.err.println("Time taken serializing rulebase: " + (System.currentTimeMillis() - time));
time = System.currentTimeMillis();
ObjectInputStream in = new ObjectInputStream(new FileInputStream(f));
RuleBase rb_ = (RuleBase) in.readObject();
System.err.println(
"Time taken de-serializing rulebase: " + (System.currentTimeMillis() - time));
}
@Test
public void testDebug() throws Exception {
String rule =
"package com.sample; dialect \"mvel\" rule myRule when then\n System.out.println( \"test\" ); end";
PackageBuilder builder = new PackageBuilder();
DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
PackageDescr packageDescr = parser.parse(rule);
RuleDescr ruleDescr = packageDescr.getRules().get(0);
builder = new PackageBuilder();
builder.addPackage(packageDescr);
Package pkg = builder.getPackage();
MVELConsequence consequence = (MVELConsequence) pkg.getRule("myRule").getConsequence();
String sourceName = ((CompiledExpression) consequence.getCompExpr()).getSourceName();
System.out.println(sourceName);
String ruleName = ruleDescr.getNamespace() + "." + ruleDescr.getClassName();
System.out.println(ruleName);
assertEquals(sourceName, ruleName);
}
@Override
public KObject toKObject(final Path path) {
KObject index = null;
try {
final String drl = ioService.readAllString(path);
final DrlParser drlParser = new DrlParser();
final PackageDescr packageDescr = drlParser.parse(true, drl);
if (drlParser.hasErrors()) {
final List<DroolsError> errors = drlParser.getErrors();
logger.warn(
ErrorMessageUtilities.makeErrorMessage(
path, errors.toArray(new DroolsError[errors.size()])));
return index;
}
if (packageDescr == null) {
logger.warn(ErrorMessageUtilities.makeErrorMessage(path));
return index;
}
final ProjectDataModelOracle dmo = getProjectDataModelOracle(path);
final Project project = projectService.resolveProject(Paths.convert(path));
final Package pkg = projectService.resolvePackage(Paths.convert(path));
final DefaultIndexBuilder builder = new DefaultIndexBuilder(project, pkg);
final PackageDescrIndexVisitor visitor =
new PackageDescrIndexVisitor(dmo, builder, packageDescr);
visitor.visit();
index = KObjectUtil.toKObject(path, builder.build());
} catch (Exception e) {
logger.error("Unable to index '" + path.toUri().toString() + "'.", e);
}
return index;
}