Package org.drools.rule.builder

Examples of org.drools.rule.builder.RuleBuildContext

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                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );

        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        context = new RuleBuildContext( pkgBuilder,
                                        ruleDescr,
                                        reg,
                                        pkg,
                                        reg.getDialect( pkgRegistry.getDialect() ) );
        context.getBuildStack().push( rule.getLhs() );
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        final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( "mvel" );

        final RuleBuildContext context = new RuleBuildContext( pkgBuilder,
                                                               ruleDescr,
                                                               dialectRegistry,
                                                               pkg,
                                                               mvelDialect );
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        if ( ruleDescr instanceof QueryDescr ) {
            //ruleDescr.getLhs().insertDescr( 0, baseDescr );
        }

        RuleBuildContext context = new RuleBuildContext( this.configuration,
                                                         pkg,
                                                         ruleDescr,
                                                         this.dialectRegistry,
                                                         this.dialect );
        this.builder.build( context );

        this.results.addAll( context.getErrors() );

        context.getDialect().addRule( context );

        this.pkg.addRule( context.getRule() );
    }
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                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );

        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        context = new RuleBuildContext( pkgBuilder,
                                        ruleDescr,
                                        reg,
                                        pkg,
                                        reg.getDialect( pkgRegistry.getDialect() ) );
        context.getBuildStack().push( rule.getLhs() );
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        final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( "mvel" );

        final RuleBuildContext context = new RuleBuildContext( pkgBuilder,
                                                               ruleDescr,
                                                               dialectRegistry,
                                                               pkg,
                                                               mvelDialect );
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        final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();

        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        Dialect dialect = dialectRegistry.getDialect( "java" );

        RuleBuildContext context = new RuleBuildContext( pkgBuilder,
                                                         ruleDescr,
                                                         dialectRegistry,
                                                         pkg,
                                                         dialect );

        builder.build( context );

        Assert.assertTrue( context.getErrors().toString(),
                           context.getErrors().isEmpty() );

        final Rule rule = context.getRule();

        assertEquals( "There should be 2 rule level declarations",
                      2,
                      rule.getDeclarations().length );
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        assertTrue( not2.getInnerDeclarations().keySet().contains( "$likes" ) );
    }

    public void testBuildAttributes() throws Exception {
        // creates mock objects
        final RuleBuildContext context = mock( RuleBuildContext.class );
        final Rule rule = mock( Rule.class );

        // creates input object
        final RuleDescr ruleDescr = new RuleDescr( "my rule" );
        ruleDescr.addAttribute( new AttributeDescr( "no-loop",
                                                    "true" ) );
        ruleDescr.addAttribute( new AttributeDescr( "auto-focus",
                                                    "false" ) );
        ruleDescr.addAttribute( new AttributeDescr( "agenda-group",
                                                    "my agenda" ) );
        ruleDescr.addAttribute( new AttributeDescr( "activation-group",
                                                    "my activation" ) );
        ruleDescr.addAttribute( new AttributeDescr( "ruleflow-group",
                                                    "mygroup" ) );
        ruleDescr.addAttribute( new AttributeDescr( "lock-on-active",
                                                    "" ) );
        ruleDescr.addAttribute( new AttributeDescr( "enabled",
                                                    "false" ) );
        ruleDescr.addAttribute( new AttributeDescr( "duration",
                                                    "60" ) );
        ruleDescr.addAttribute( new AttributeDescr( "calendars",
                                                    "\"cal1\"" ) );
        ruleDescr.addAttribute( new AttributeDescr( "date-effective",
                                                    "10-Jul-1974" ) );
        ruleDescr.addAttribute( new AttributeDescr( "date-expires",
                                                    "10-Jul-2040" ) );

        // creates expected results
        final Calendar effective = Calendar.getInstance();
        effective.setTime( DateUtils.parseDate( "10-Jul-1974",
                                                new DateFormatsImpl() ) );
        final Calendar expires = Calendar.getInstance();
        expires.setTime( DateUtils.parseDate( "10-Jul-2040",
                                              new DateFormatsImpl() ) );

        // defining expectations on the mock object
        when( context.getRule() ).thenReturn( rule );
        when( context.getRuleDescr() ).thenReturn( ruleDescr );
        when( context.getPackageBuilder() ).thenReturn( new PackageBuilder() );

        // calling the build method
        RuleBuilder builder = new RuleBuilder();
        builder.buildAttributes( context );
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        verify( rule ).setDateExpires( expires );
    }

    public void testBuildMetaAttributes() throws Exception {
        // creates mock objects
        final RuleBuildContext context = mock( RuleBuildContext.class );
        final Rule rule = mock( Rule.class );

        // creates input object
        final RuleDescr ruleDescr = new RuleDescr( "my rule" );
        ruleDescr.addMetaAttribute( "ruleId",
                                    "123" );
        ruleDescr.addMetaAttribute( "author",
                                    "Bob Doe" );
        ruleDescr.addMetaAttribute( "text",
                                    "\"It's a quoted\\\" string\"" );

        // creates expected results
        // defining expectations on the mock object
        when( context.getRule() ).thenReturn( rule );
        when( context.getRuleDescr() ).thenReturn( ruleDescr );
        when( context.getPackageBuilder() ).thenReturn( new PackageBuilder() );

        // calling the build method
        RuleBuilder builder = new RuleBuilder();
        builder.buildMetaAttributes( context );
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                                         "It's a quoted\" string" );
    }

    public void testBuildDurationExpression() throws Exception {
        // creates mock objects
        final RuleBuildContext context = mock( RuleBuildContext.class );
        final Rule rule = mock( Rule.class );

        // creates input object
        final RuleDescr ruleDescr = new RuleDescr( "my rule" );
        ruleDescr.addAttribute( new AttributeDescr( "duration",
                                                    "( 1h30m )" ) );
        ruleDescr.addAttribute( new AttributeDescr( "calendars",
                                                    "[\"cal1\", \"cal2\"]" ) );

        // defining expectations on the mock object
        when( context.getRule() ).thenReturn( rule );
        when( context.getRuleDescr() ).thenReturn( ruleDescr );

        // calling the build method
        RuleBuilder builder = new RuleBuilder();
        builder.buildAttributes( context );
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        Package pkg = pkgReg.getPackage();
        DialectCompiletimeRegistry dialectRegistry = pkgReg.getDialectCompiletimeRegistry();
        Dialect dialect = dialectRegistry.getDialect( "java" );
               
        RuleDescr ruleDescr = new RuleDescr("test rule");
        RuleBuildContext context = new RuleBuildContext( pkgBuilder, ruleDescr, dialectRegistry, pkg, dialect);
       
        Accumulate accumulate = (Accumulate) builder.build( context, accumDescr );
        String generatedCode = (String) context.getMethods().get( 0 );
       
        assertTrue( generatedCode.contains( "private int x;" ) );
        assertTrue( generatedCode.contains( "private int y;" ) );
        assertTrue( generatedCode.contains( "x = 0;y = 0;" ) );
       
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Related Classes of org.drools.rule.builder.RuleBuildContext

  • org.drools.compiler.Dialect
  • org.drools.compiler.PackageBuilder
  • org.drools.compiler.RuleError
  • org.drools.lang.descr.AttributeDescr
  • org.drools.lang.MVELDumper
  • org.drools.rule.builder.dialect.java.JavaAccumulateBuilderTest
  • org.drools.rule.builder.dialect.java.JavaConsequenceBuilderTest
  • org.drools.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELAccumulateBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
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