Package org.drools.compiler.builder.impl

Examples of org.drools.compiler.builder.impl.KnowledgeBuilderImpl

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        final KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        JavaDialectConfiguration javaConf = ( JavaDialectConfiguration ) conf.getDialectConfiguration( "java" );
        javaConf.setCompiler( JavaDialectConfiguration.ECLIPSE );
        javaConf.setJavaLanguageLevel( "1.5" );
       
        final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl( conf );
        builder.addPackageFromDrl( new InputStreamReader( this.getClass().getResourceAsStream( "java5_rule.drl" ) ) );
        if ( builder.hasErrors() ) {
            fail( builder.getErrors().toString() );
        }
    }
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    @Test
    public void testJava14Defaults() throws Exception {
        final KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        JavaDialectConfiguration javaConf = ( JavaDialectConfiguration ) conf.getDialectConfiguration( "java" );
        javaConf.setCompiler( JavaDialectConfiguration.JANINO );
        final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl( conf );
        builder.addPackageFromDrl( new InputStreamReader( this.getClass().getResourceAsStream( "java5_rule.drl" ) ) );
        assertTrue( builder.hasErrors() );
    }
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    private void setupTest(String consequence, Map<String, Object> namedConsequences) {
        InternalKnowledgePackage pkg = new KnowledgePackageImpl( "org.drools" );
        pkg.addImport( new ImportDeclaration( "org.drools.compiler.Cheese" ) );

        KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl( pkg, conf );

        ruleDescr = new RuleDescr( "test consequence builder" );
        ruleDescr.setConsequence( consequence );
       
        for ( Entry<String, Object> entry : namedConsequences.entrySet() ) {
            ruleDescr.addNamedConsequences( entry.getKey(), entry.getValue() );
        }

        RuleImpl rule = new RuleImpl( ruleDescr.getName() );
       
        PackageRegistry pkgRegistry = kBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = kBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        context = new RuleBuildContext( kBuilder,
                                        ruleDescr,
                                        reg,
                                        pkg,
                                        reg.getDialect( pkgRegistry.getDialect() ) );       
       
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );
       
        Pattern p = new Pattern( 1,
                               new ClassObjectType( Person.class ),
                               "$persone" );
       
       
       
        Declaration declr = p.addDeclaration( "age" );

        final InternalReadAccessor extractor = PatternBuilder.getFieldReadAccessor(context,
                                                                                   new BindingDescr("age", "age"),
                                                                                   p.getObjectType(),
                                                                                   "age",
                                                                                   declr,
                                                                                   true);
       
        rule.addPattern( p );
       
        context.getBuildStack().push(rule.getLhs());
       
        context.getDialect().getConsequenceBuilder().build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
        for ( String name : namedConsequences.keySet() ) {
            context.getDialect().getConsequenceBuilder().build( context, name );
        }
       
        context.getDialect().addRule( context );
        pkgRegistry.getPackage().addRule(context.getRule());
        kBuilder.compileAll();
        kBuilder.reloadAll();
    }
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        cfg1.addDialect( "mock",
                         mockConf );
        cfg1.setDefaultDialect( "mock" );

        KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl( pkg, cfg1 );

        PackageRegistry pkgRegistry = builder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry dialectRegistry = pkgRegistry.getDialectCompiletimeRegistry();
        MockDialect mockDialect2 = (MockDialect) dialectRegistry.getDialect( cfg1.getDefaultDialect() );

        assertSame( pkg,
                    mockDialect2.getPkg() );
        assertNull( mockDialect2.getRuleDescr() );

        RuleDescr ruleDescr = new RuleDescr( "test rule" );
        ruleDescr.addAttribute( new AttributeDescr( "dialect",
                                                    "mock" ) );
        ruleDescr.setLhs( new AndDescr() );
        EvalDescr evalDescr = new EvalDescr();
        ruleDescr.getLhs().addDescr( evalDescr );

        PackageDescr pkgDescr = new PackageDescr( "org.pkg1" );
        pkgDescr.addImport( new ImportDescr( "java.util.HashMap" ) );
        FunctionImportDescr functionImportDescr = new FunctionImportDescr();
        functionImportDescr.setTarget( "java.lang.System.currentTimeMillis" );
        pkgDescr.addFunctionImport( functionImportDescr );

        pkgDescr.addRule( ruleDescr );

        builder.addPackage( pkgDescr );

        assertSame( ruleDescr,
                    mockDialect2.getRuleDescr() );
        assertTrue( mockDialect2.getImport().contains( "java.util.HashMap" ) );
        assertTrue( mockDialect2.getStaticImport().contains( "java.lang.System.currentTimeMillis" ) );
        assertEquals( "eval was built",
                      evalDescr.getContent() );
        assertEquals( "consequence was built",
                      ruleDescr.getConsequence() );
        assertTrue( mockDialect2.isCompileAll() );

        assertNotNull( pkg.getRule( "test rule" ) );

        // make sure there were no other general errors.
        assertFalse( builder.hasErrors() );
    }
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    @Test
    public void testSimpleExpression() {
        InternalKnowledgePackage pkg = new KnowledgePackageImpl( "pkg1" );
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );

        KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg );
        final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        MVELDialect mvelDialect = ( MVELDialect ) pkgRegistry.getDialectCompiletimeRegistry().getDialect( "mvel" );

        final InstrumentedBuildContent context = new InstrumentedBuildContent( pkgBuilder,
                                                                               ruleDescr,
                                                                               pkgRegistry.getDialectCompiletimeRegistry(),
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        accumDescr.setInitCode( "int x = 0; int y = 0;" );
        accumDescr.setActionCode( "x += $price;" );
        accumDescr.setResultCode( "new Integer( x )" );
       
        //org.drools.core.rule.Package pkg = new org.kie.rule.Package( "org.kie" );
        final KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
        pkgBuilder.addPackage( new PackageDescr( "org.drools" ) );
        final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
        PackageRegistry pkgReg = pkgBuilder.getPackageRegistry( "org.drools" );
        InternalKnowledgePackage pkg = pkgReg.getPackage();
        DialectCompiletimeRegistry dialectRegistry = pkgReg.getDialectCompiletimeRegistry();
        Dialect dialect = dialectRegistry.getDialect( "java" );
               
        RuleDescr ruleDescr = new RuleDescr("test rule");
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    }

    private void build(String msg, String resource, boolean showResults) throws DroolsParserException,
                        IOException {
        final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
        long start = System.currentTimeMillis();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( resource ) ) );
        InternalKnowledgePackage pkg = builder.getPackage();
        assertFalse(builder.hasErrors());
        assertNotNull(pkg);
        if (showResults) {
            System.out.print( "Time taken for " + msg + " : " + (System.currentTimeMillis() - start) );
        }
    }
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           "    @role(event)\n" +
           "end\n" +          
           "declare " + DImpl.class.getCanonicalName() + "\n" +
           "    @typesafe(false)\n" +
           "end\n";
        KnowledgeBuilderImpl builder = getPackageBuilder( str );
        TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
        assertEquals( false, tdecl.isTypesafe() );
        assertEquals( Role.EVENT, tdecl.getRole() );
    }
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           "declare " + CImpl.class.getCanonicalName() + "\n" +
           "    @typesafe(true)\n" +
           "    @role(event)\n" +          
           "end\n";

        KnowledgeBuilderImpl builder = getPackageBuilder( str );
        TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
        assertEquals( true, tdecl.isTypesafe() );
        assertEquals( Role.EVENT, tdecl.getRole() );
    }   
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           "    @role(event)\n" +             
           "end\n" +
           "declare " + DImpl.class.getCanonicalName() + "\n" +
           "end\n";

        KnowledgeBuilderImpl builder = getPackageBuilder( str );
        TypeDeclaration tdecl = builder.getTypeDeclaration( DImpl.class );
        assertEquals( true, tdecl.isTypesafe() );
        assertEquals( Role.EVENT, tdecl.getRole() );       
    }   
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Related Classes of org.drools.compiler.builder.impl.KnowledgeBuilderImpl

  • org.drools.compiler.compiler.AnnotationDeclarationError
  • org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl
  • org.drools.compiler.compiler.DeprecatedResourceTypeWarning
  • org.drools.compiler.compiler.Dialect
  • org.drools.compiler.compiler.DialectCompiletimeRegistry
  • org.drools.compiler.compiler.DrlParser
  • org.drools.compiler.compiler.DroolsError
  • org.drools.compiler.compiler.DroolsErrorWrapper
  • org.drools.compiler.compiler.DroolsWarningWrapper
  • org.drools.compiler.compiler.DuplicateFunction
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