Package org.drools.compiler.lang.descr

Examples of org.drools.compiler.lang.descr.PackageDescr

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                "when\n" +
                "     acc( Cheese( $price : price ),\n" +
                "          $a1 : average( $price ) )\n" +
                "then\n" +
                "end\n";
        final PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                        drl );

        assertEquals( 1,
                      pkg.getRules().size() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Object[]",
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                "when\n" +
                "     Number() from acc( Cheese( $price : price ),\n" +
                "                        average( $price ) )\n" +
                "then\n" +
                "end\n";
        final PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                        drl );

        assertEquals( 1,
                      pkg.getRules().size() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Number",
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                "     acc( Cheese( $price : price ),\n" +
                "          $v1 : baz( $price ), \n" +
                "          $v2 : baz2( $price ) )\n" +
                "then\n" +
                "end\n";
        final PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                        drl );
       
        assertEquals( 2,
                      pkg.getAccumulateImports().size() );
        AccumulateImportDescr imp = (AccumulateImportDescr) pkg.getAccumulateImports().get(0);
        assertEquals( "foo.Bar",
                imp.getTarget() );
        assertEquals( "baz",
                imp.getFunctionName() );

        imp = (AccumulateImportDescr) pkg.getAccumulateImports().get(1);
        assertEquals( "foo.Bar2",
                imp.getTarget() );
        assertEquals( "baz2",
                imp.getFunctionName() );

        assertEquals( 1,
                      pkg.getRules().size() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Object[]",
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                            "     not( Customer( ) from customerService.getCustomer(o.getCustomerId()) ) \n" +
                            " then \n" +
                            "     System.err.println(\"Invalid customer id found!\"); \n" +
                            "     o.addError(\"Invalid customer id\"); \n" +
                            "end \n";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );

        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "Invalid customer id",
                      rule.getName() );

        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );
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                            " not( Number( ) from [1, 2, 3] ) \n" +
                            " then \n" +
                            " System.err.println(\"Invalid customer id found!\"); \n" +
                            " o.addError(\"Invalid customer id\"); \n" +
                            "end \n";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "XYZ",
                      rule.getName() );

        PatternDescr number = (PatternDescr) ((NotDescr) rule.getLhs().getDescrs().get( 1 )).getDescrs().get( 0 );
        assertEquals( "[1, 2, 3]",
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                        " Number( ) from [1, 2, 3].sublist(1, 2) \n" +
                        " then \n" +
                        " System.err.println(\"Invalid customer id found!\"); \n" +
                        " o.addError(\"Invalid customer id\"); \n" +
                        "end \n";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "XYZ",
                      rule.getName() );

        assertFalse( parser.hasErrors() );
        PatternDescr number = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
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                        " Number( ) from [1, 2, 3][1] \n" +
                        " then \n" +
                        " System.err.println(\"Invalid customer id found!\"); \n" +
                        " o.addError(\"Invalid customer id\"); \n" +
                        "end \n";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "XYZ",
                      rule.getName() );

        assertFalse( parser.hasErrors() );
        PatternDescr number = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
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                        "               ParametricDataObject( paramID == 101, stringValue == \"1002\" ) or \n" +
                        "               ParametricDataObject( paramID == 101, stringValue == \"1003\" )) \n" +
                        "    then \n" +
                        "        System.out.println( \"Rule: A and (B or C or D) Fired. pdo1: \" + pdo1 +  \" pdo2: \"+ pdo2); \n" +
                        "end\n";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = pkg.getRules().get( 0 );
        AndDescr lhs = rule.getLhs();
        assertEquals( 2,
                      lhs.getDescrs().size() );

        PatternDescr pdo1 = (PatternDescr) lhs.getDescrs().get( 0 );
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    }

    @Test
    public void testCompatibleRestriction() throws Exception {
        String source = "package com.sample  rule test  when  Test( ( text == null || text2 matches \"\" ) )  then  end";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertEquals( "com.sample",
                          pkg.getName() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "test",
                          rule.getName() );
        ExprConstraintDescr expr = (ExprConstraintDescr) ((PatternDescr) rule.getLhs().getDescrs().get( 0 )).getDescrs().get( 0 );
        assertEquals( "( text == null || text2 matches \"\" )",
                          expr.getText() );
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    }

    @Test
    public void testSimpleConstraint() throws Exception {
        String source = "package com.sample  rule test  when  Cheese( type == 'stilton', price > 10 )  then  end";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertEquals( "com.sample",
                          pkg.getName() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "test",
                          rule.getName() );

        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
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Related Classes of org.drools.compiler.lang.descr.PackageDescr

  • org.drools.beliefs.bayes.assembler.BayesAssemblerService
  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationCache
  • org.drools.compiler.CommonTestMethodBase
  • org.drools.compiler.compiler.DrlParser
  • org.drools.compiler.compiler.DrlParserTest
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderConfigurationTest
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