Package org.drools.compiler.compiler

Examples of org.drools.compiler.compiler.PackageBuilder

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    private static Package generatePackage(int ruleCount) throws DroolsParserException {
        StringReader    reader  = new StringReader(generateRules(ruleCount));
       
        System.out.println("Generating packages");
        PackageBuilder pkgBuilder = new PackageBuilder();
        try {
            pkgBuilder.addPackageFromDrl( reader );
        } catch ( IOException e ) {
            fail( "Unable to parse rules\n" + e.getMessage());
        }

        if ( pkgBuilder.hasErrors() ) {
            fail( pkgBuilder.getErrors().toString() );
        }

        return pkgBuilder.getPackage();
    }
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  }

  protected org.drools.core.rule.Package loadPackage(
      final String classPathResource) throws DroolsParserException,
      IOException {
    final PackageBuilder builder = new PackageBuilder();
    builder.addPackageFromDrl(new InputStreamReader(getClass()
        .getResourceAsStream(classPathResource)));

    if (builder.hasErrors()) {
      fail(builder.getErrors().toString());
    }

    final org.drools.core.rule.Package pkg = builder.getPackage();
    return pkg;
  }
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    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);

    if (builder.hasErrors()) {
      fail(builder.getErrors().toString());
    }

    org.drools.core.rule.Package pkg = builder.getPackage();
    pkg = SerializationHelper.serializeObject(pkg);

    // add the package to a rulebase
    RuleBase ruleBase = getSinglethreadRuleBase();
    ruleBase.addPackage(pkg);
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     * Maximun number of hobbies each guest should have (default: 3).
     */
    private int maxHobbies = 3;

    public static void main(final String[] args) throws Exception {
        PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl(new InputStreamReader(MannersBenchmark.class.getResourceAsStream("manners.drl")));
        if ( builder.hasErrors() ) {
            throw new RuntimeException( builder.getErrors().toString() );
        }
        Package pkg = builder.getPackage();

        // add the package to a rulebase
        RuleBaseConfiguration conf = new RuleBaseConfiguration();
        conf.setPhreakEnabled(true);
       
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        jarInputStreams.add( jis );

        Properties properties = new Properties();
        properties.setProperty( DefaultPackageNameOption.PROPERTY_NAME,
                                "foo.bar" );
        PackageBuilder builder = new PackageBuilder( new PackageBuilderConfiguration( properties,
                                                                                      loader ) );

        PackageDescr pc = new PackageDescr( "foo.bar" );
        builder.addPackage( pc );

        String header = "import fr.gouv.agriculture.dag.agorha.business.primes.SousPeriodePrimeAgent\n";

        builder.addPackageFromDrl( new StringReader( header ) );
        assertFalse( builder.hasErrors() );

        String passingRule = "rule \"rule1\"\n"
                             + "dialect \"mvel\"\n"
                             + "when\n"
                             + "SousPeriodePrimeAgent( echelle == \"abc\" )"
                             + "then\n"
                             + "end\n";

        String failingRule = "rule \"rule2\"\n"
                             + "dialect \"mvel\"\n"
                             + "when\n"
                             + "SousPeriodePrimeAgent( quotiteRemuneration == 123 , echelle == \"abc\" )"
                             + "then\n"
                             + "end\n";

        builder.addPackageFromDrl( new StringReader( passingRule ) );
        if ( builder.hasErrors() ) {
            logger.warn( builder.getErrors().getErrors()[0].getMessage() );
        }
        assertFalse( builder.hasErrors() );

        builder.addPackageFromDrl( new StringReader( failingRule ) );
        if ( builder.hasErrors() ) {
            logger.warn( builder.getErrors().getErrors()[0].getMessage() );
        }
        assertFalse( builder.hasErrors() );

    }
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                      " $bean : Bean( ) \n" +
                      "then \n" +
                      " System.out.println( getFieldValue($bean) ); \n" +
                      "end\n";

        PackageBuilder packageBuilder = new PackageBuilder();
        packageBuilder.addPackageFromDrl( new StringReader( declaredFactType ) );
        packageBuilder.addPackageFromDrl( new StringReader( function ) );
        packageBuilder.addPackageFromDrl( new StringReader( rule ) );

        for ( KnowledgeBuilderError error : packageBuilder.getErrors() ) {
            System.out.println( "ERROR:" );
            System.out.println( error.getMessage() );
        }
        assertFalse( packageBuilder.hasErrors() );
    }
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    public static void setup(){
        // read in the source
        Reader source = new InputStreamReader (ExampleScenario.class.getResourceAsStream(FILE_NAME_RULES));
        // Use package builder to build up a rule package.
        // An alternative lower level class called DrlParser can also be used ...
        PackageBuilder builder = new PackageBuilder();
        // this will parse and compile in one step
        // NOTE: There are 2 methods here, the one argument one is for normal DRL.
        try {
                builder.addPackageFromDrl(source);
        } catch (DroolsParserException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // get the compiled package (which is serializable)
        Package pkg = builder.getPackage();

        // add defined object types
        //FactTemplate ftEvent = new FactTemplateImpl();
        //pkg.addFactTemplate(ftEvent);
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public class RulebasePartitioningTest extends CommonTestMethodBase {

    @Test
    @Ignore
    public void testRulebasePartitions1() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_rulebasePartitions1.drl" ) ) );
        final org.drools.core.rule.Package pkg = builder.getPackage();

        RuleBaseConfiguration config = new RuleBaseConfiguration();
        config.setMultithreadEvaluation( true );

        RuleBase ruleBase = getRuleBase( config );
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    @Test
    public void testSerializeWorkingMemoryAndRuleBase1() throws Exception {
        // has the first newStatefulSession before the ruleBase is serialised
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "../test_Serializable.drl" ) );

        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( reader );
        final Package pkg = SerializationHelper.serializeObject( builder.getPackage() );

        assertEquals( 0,
                      builder.getErrors().getErrors().length );

        RuleBase ruleBase = getRuleBase();// RuleBaseFactory.newRuleBase();

        StatefulSession session = ruleBase.newStatefulSession();
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    @Test
    public void testSerializeWorkingMemoryAndRuleBase2() throws Exception {
        // has the first newStatefulSession after the ruleBase is serialised
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "../test_Serializable.drl" ) );

        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( reader );
        final Package pkg = SerializationHelper.serializeObject( builder.getPackage() );

        assertEquals( 0,
                      builder.getErrors().getErrors().length );

        RuleBase ruleBase = getRuleBase();// RuleBaseFactory.newRuleBase();

        // serialise a hashmap with the RuleBase as a key
        Map map = new HashMap();
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Related Classes of org.drools.compiler.compiler.PackageBuilder

  • org.drools.compiler.builder.impl.KnowledgeBuilderFactoryServiceImpl
  • org.drools.compiler.CommonTestMethodBase
  • org.drools.compiler.compiler.xml.XmlPackageReader
  • org.drools.compiler.integrationtests.ConsequenceOffsetTest
  • org.drools.compiler.integrationtests.DynamicRulesTest
  • org.drools.compiler.integrationtests.ExecutionFlowControlTest
  • org.drools.compiler.integrationtests.FirstOrderLogicTest
  • org.drools.compiler.integrationtests.KnowledgeBuilderTest
  • org.drools.compiler.integrationtests.LargeRuleBase
  • org.drools.compiler.integrationtests.LargeRuleBaseSerializationTest
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