Package org.drools.compiler.compiler

Examples of org.drools.compiler.compiler.DrlParser

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                }

                final String drl = makeDrl( path,
                                            lhs,
                                            rhs );
                final DrlParser drlParser = new DrlParser();
                final PackageDescr packageDescr = drlParser.parse( true,
                                                                   drl );
                if ( packageDescr == null ) {
                    logger.error( "Unable to parse DRL for '" + path.toUri().toString() + "'." );
                    return index;
                }
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public class ConsequenceOffsetTest {
   
    @Test
    public void testConsequenceOffset() throws Exception {
        int offset = -1;
        DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
        Reader reader = new InputStreamReader( ConsequenceOffsetTest.class.getResourceAsStream( "test_consequenceOffset.drl" ) );
       
        PackageDescr packageDescr = parser.parse(reader);
        PackageBuilder packageBuilder = new PackageBuilder();
        packageBuilder.addPackage(packageDescr);
        assertEquals(false, packageBuilder.hasErrors());
        for (Object o: packageDescr.getRules()) {
            RuleDescr rule = (RuleDescr) o;
            if (rule.getName().equals("test")) {
                offset = rule.getConsequenceOffset();
            }
        }
       
        reader = new InputStreamReader( ConsequenceOffsetTest.class.getResourceAsStream( "test_consequenceOffset2.drl" ) );
        packageDescr = parser.parse(reader);
        packageBuilder = new PackageBuilder();
        packageBuilder.addPackage(packageDescr);
        reader = new InputStreamReader( ConsequenceOffsetTest.class.getResourceAsStream( "test_consequenceOffset.drl" ) );
        packageDescr = parser.parse(reader);
        packageBuilder.addPackage(packageDescr);
        assertEquals(false, packageBuilder.hasErrors());
        for (Object o: packageDescr.getRules()) {
            RuleDescr rule = (RuleDescr) o;
            if (rule.getName().equals("test")) {
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    }
   
    @Test
    public void testLargeSetOfImports() throws Exception {
        Reader reader = new InputStreamReader( ConsequenceOffsetTest.class.getResourceAsStream( "test_consequenceOffsetImports.drl" ) );
        DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
        PackageDescr packageDescr = parser.parse(reader);
        PackageBuilder packageBuilder = new PackageBuilder();
        packageBuilder.addPackage(packageDescr);
        assertEquals(false, packageBuilder.hasErrors());
    }
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        for (int i = 0; i < RULE_COUNT; i++) {
            sb.append(LargeRuleBase.getTemplate1("testRule"+i, i));
        }
        System.out.println("Parsing "+RULE_COUNT+" rules");
        PackageBuilder pkgBuilder = new PackageBuilder();
        DrlParser ps = new DrlParser(LanguageLevelOption.DRL5);
        PackageDescr pkgDescr = ps.parse(new StringReader(sb.toString()));

        pkgBuilder.addPackage(pkgDescr);

        Package pkg = pkgBuilder.getPackage();
        ruleBase = RuleBaseFactory.newRuleBase();
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            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();
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            RuleIntegrationException,
                               PackageIntegrationException,
                               InvalidPatternException {
        //read in the source
        final Reader reader = new InputStreamReader( Waltz.class.getResourceAsStream( "waltz.drl" ) );
        final DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
        final PackageDescr packageDescr = parser.parse( reader );
       
        if( parser.hasErrors() ) {
            for( DroolsError error : parser.getErrors() ) {
                System.out.println( error );
            }
            assertFalse( parser.getErrors().toString(), parser.hasErrors() );
        }

        //pre build the package
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackage( packageDescr );
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    return pkg;
  }

  protected RuleBase loadRuleBase(final Reader reader) throws IOException,
      DroolsParserException, Exception {
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    final PackageDescr packageDescr = parser.parse(reader);
    if (parser.hasErrors()) {
      fail("Error messages in parser, need to sort this our (or else collect error messages):\n"
          + parser.getErrors());
    }
    // pre build the package
    final PackageBuilder builder = new PackageBuilder();
    builder.addPackage(packageDescr);
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    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() );

            final Package pkg = new Package( "org.drools" );

            final RuleDescr ruleDescr = pkgDescr.getRules().get( 0 );
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         l.add( add1 );
         l.add( add2 );

         p.setAddresses( l );

         DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
         PackageDescr desc = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "nested_fields.drl" ) ) );
         List packageAttrs = desc.getAttributes();
         assertEquals( 1,
                       desc.getRules().size() );
         assertEquals( 1,
                       packageAttrs.size() );
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                       ((List) ksession.getGlobal( "list" )).get( 5 ) );
     }

     @Test
     public void testFromWithNewConstructor() throws Exception {
         DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
         PackageDescr descr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_FromWithNewConstructor.drl" ) ) );

         Collection<KnowledgePackage> pkgs = loadKnowledgePackages( descr );
         pkgs = SerializationHelper.serializeObject( pkgs );
     }
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Related Classes of org.drools.compiler.compiler.DrlParser

  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.CommonTestMethodBase
  • org.drools.compiler.compiler.xml.rules.DumperTestHelper
  • org.drools.compiler.integrationtests.ConsequenceOffsetTest
  • org.drools.compiler.integrationtests.LargeRuleBase
  • org.drools.compiler.integrationtests.LargeRuleBaseSerializationTest
  • org.drools.compiler.integrationtests.Misc2Test
  • org.drools.compiler.integrationtests.MiscTest
  • org.drools.compiler.integrationtests.waltz.Waltz
  • org.drools.compiler.kie.util.ChangeSetBuilder
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