Package org.drools.lang.descr

Examples of org.drools.lang.descr.PackageDescr

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                      query.getName() );
    }

    @Test
    public void testMultipleRules() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "multiple_rules.drl" );

        final List rules = pkg.getRules();

        assertEquals( 2,
                      rules.size() );

        final RuleDescr rule0 = (RuleDescr) rules.get( 0 );
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    }

    @Test
    public void testExpanderLineSpread() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( this.getReader( "expander_spread_lines.dslr" ),
                                               this.getReader( "complex.dsl" ) );

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

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

        final OrDescr or = (OrDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( 2,
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    }

    @Test
    public void testExpanderMultipleConstraints() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( this.getReader( "expander_multiple_constraints.dslr" ),
                                               this.getReader( "multiple_constraints.dsl" ) );

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

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

        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Person",
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    @Test
    public void testExpanderMultipleConstraintsFlush() throws Exception {
        final DrlParser parser = new DrlParser();
        // this is similar to the other test, but it requires a flush to add the
        // constraints
        final PackageDescr pkg = parser.parse( this.getReader( "expander_multiple_constraints_flush.dslr" ),
                                               this.getReader( "multiple_constraints.dsl" ) );

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

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

        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Person",
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    //
    // }

    @Test
    public void testBasicBinding() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "basic_binding.drl" );

        final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get( 0 );

        final AndDescr lhs = ruleDescr.getLhs();
        assertEquals( 1,
                      lhs.getDescrs().size() );
        final PatternDescr cheese = (PatternDescr) lhs.getDescrs().get( 0 );
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                      fieldBinding.getExpression() );
    }

    @Test
    public void testBoundVariables() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "bindings.drl" );

        final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get( 0 );

        final AndDescr lhs = ruleDescr.getLhs();
        assertEquals( 2,
                      lhs.getDescrs().size() );
        final PatternDescr cheese = (PatternDescr) lhs.getDescrs().get( 0 );
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                      fld.getExpression() );
    }

    @Test
    public void testOrNesting() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "or_nesting.drl" );

        assertNotNull( pkg );
        assertEquals( 1,
                      pkg.getRules().size() );
        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "simple_rule",
                      rule.getName() );

        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
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    }

    /** Test that explicit "&&", "||" works as expected */
    @Test
    public void testAndOrRules() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "and_or_rule.drl" );

        assertNotNull( pkg );
        assertEquals( 1,
                      pkg.getRules().size() );
        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "simple_rule",
                      rule.getName() );

        // we will have 3 children under the main And node
        final AndDescr and = rule.getLhs();
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    }

    /** test basic foo : Fact() || Fact() stuff */
    @Test
    public void testOrWithBinding() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "or_binding.drl" );

        assertEquals( 1,
                      pkg.getRules().size() );
        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

        final OrDescr or = (OrDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( 2,
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    }

    /** test basic foo : Fact() || Fact() stuff binding to an "or" */
    @Test
    public void testOrBindingComplex() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "or_binding_complex.drl" );

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

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

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  • org.drools.benchmark.benchmarks.WaltzBenchmark
  • org.drools.brms.server.rules.SuggestionCompletionLoader
  • org.drools.clips.ClipsShell
  • org.drools.CommonTestMethodBase
  • org.drools.compiler.DrlParser
  • org.drools.compiler.DrlParserTest
  • org.drools.compiler.PackageBuilder
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