Package org.drools.lang.descr

Examples of org.drools.lang.descr.AndDescr

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        assertEquals( "Person",
                          pattern.getObjectType() );
        assertEquals( 1,
                          pattern.getConstraint().getDescrs().size() );

        AndDescr and = (AndDescr) pattern.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "age > 30 && < 40",
                          fld.getExpression() );

        // the second col, with 2 fields, the first with 2 restrictions, the
        // second field with one
        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Vehicle",
                          pattern.getObjectType() );
        assertEquals( 2,
                          pattern.getConstraint().getDescrs().size() );

        and = (AndDescr) pattern.getConstraint();
        fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "type == \"sedan\" || == \"wagon\"",
                          fld.getExpression() );

        // now the second field
        fld = (ExprConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( "age < 3",
                          fld.getExpression() );
    }
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        assertEquals( 7,
                      rule.getConsequenceLine() );
        assertEquals( 2,
                      rule.getConsequencePattern() );

        final AndDescr lhs = rule.getLhs();

        assertNotNull( lhs );

        assertEquals( 3,
                      lhs.getDescrs().size() );

        // Check first pattern
        final PatternDescr first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "foo3",
                      first.getIdentifier() );
        assertEquals( "Bar",
                      first.getObjectType() );
        assertEquals( 1,
                      first.getConstraint().getDescrs().size() );

        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );

        final PatternDescr third = (PatternDescr) lhs.getDescrs().get( 2 );
        assertEquals( "Baz",
                      third.getObjectType() );

        assertEquals( 4,
                      first.getLine() );
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        assertNotNull( rule );

        assertEquals( "simple_rule",
                      rule.getName() );

        final AndDescr lhs = rule.getLhs();

        assertNotNull( lhs );

        assertEquals( 3,
                      lhs.getDescrs().size() );

        // System.err.println( lhs.getDescrs() );

        // Check first pattern
        final PatternDescr first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "foo3",
                      first.getIdentifier() );
        assertEquals( "Bar",
                      first.getObjectType() );

        assertEquals( 1,
                      first.getConstraint().getDescrs().size() );

        // LiteralDescr constraint = (LiteralDescr) first.getDescrs().get( 0 );
        AndDescr and = (AndDescr) first.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertNotNull( fld );

        assertEquals( "a==3",
                      fld.getExpression() );
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        assertNotNull( rule );
        assertEquals( "simple_rule",
                      rule.getName() );

        final AndDescr lhs = rule.getLhs();
        assertEquals( 1,
                      lhs.getDescrs().size() );
        final NotDescr not = (NotDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                      not.getDescrs().size() );
        final PatternDescr pattern = (PatternDescr) not.getDescrs().get( 0 );

        assertEquals( "Cheese",
                      pattern.getObjectType() );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );

        final AndDescr and = (AndDescr) pattern.getConstraint();
        final ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );

        assertEquals( "type == \"stilton\"",
                      fld.getExpression() );
    }
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        assertNotNull( rule );
        assertEquals( "simple_rule",
                      rule.getName() );

        final AndDescr lhs = rule.getLhs();
        assertEquals( 2,
                      lhs.getDescrs().size() );
        final NotDescr not = (NotDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                      not.getDescrs().size() );
        final PatternDescr pattern = (PatternDescr) not.getDescrs().get( 0 );

        assertEquals( "Cheese",
                      pattern.getObjectType() );

        final ExistsDescr ex = (ExistsDescr) lhs.getDescrs().get( 1 );
        assertEquals( 1,
                      ex.getDescrs().size() );
        final PatternDescr exPattern = (PatternDescr) ex.getDescrs().get( 0 );
        assertEquals( "Foo",
                      exPattern.getObjectType() );
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        assertNotNull( query );

        assertEquals( "simple_query",
                      query.getName() );

        final AndDescr lhs = query.getLhs();

        assertNotNull( lhs );

        assertEquals( 3,
                      lhs.getDescrs().size() );

        // Check first pattern
        final PatternDescr first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "foo3",
                      first.getIdentifier() );
        assertEquals( "Bar",
                      first.getObjectType() );

        assertEquals( 1,
                      first.getConstraint().getDescrs().size() );

        AndDescr and = (AndDescr) first.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertNotNull( fld );

        assertEquals( "a==3",
                      fld.getExpression() );
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        final RuleDescr rule1 = (RuleDescr) rules.get( 1 );
        assertEquals( "Like Cheddar",
                      rule1.getName() );

        // checkout the first rule
        AndDescr lhs = rule1.getLhs();
        assertNotNull( lhs );
        assertEquals( 1,
                      lhs.getDescrs().size() );
        assertEqualsIgnoreWhitespace( "System.out.println(\"I like \" + t);",
                                      (String) rule0.getConsequence() );

        // Check first pattern
        PatternDescr first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      first.getObjectType() );

        // checkout the second rule
        lhs = rule1.getLhs();
        assertNotNull( lhs );
        assertEquals( 1,
                      lhs.getDescrs().size() );
        assertEqualsIgnoreWhitespace( "System.out.println(\"I like \" + t);",
                                      (String) rule1.getConsequence() );

        // Check first pattern
        first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      first.getObjectType() );
    }
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        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 );
        assertEquals( "Cheese",
                      cheese.getObjectType() );
        assertEquals( 0,
                      cheese.getConstraint().getDescrs().size() );
        assertEquals( 1,
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        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 );
        assertEquals( "Cheese",
                      cheese.getObjectType() );
        assertEquals( 2,
                      lhs.getDescrs().size() );
        BindingDescr fieldBinding = (BindingDescr) cheese.getBindings().get( 0 );
        assertEquals( "type == \"stilton\"",
                      fieldBinding.getExpression() );

        final PatternDescr person = (PatternDescr) lhs.getDescrs().get( 1 );
        fieldBinding = (BindingDescr) person.getBindings().get( 0 );
        assertEquals( "name == \"bob\"",
                      fieldBinding.getExpression() );

        ExprConstraintDescr fld = (ExprConstraintDescr) person.getConstraint().getDescrs().get( 0 );
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        final PatternDescr first = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      first.getObjectType() );

        final AndDescr and = (AndDescr) or.getDescrs().get( 1 );
        assertEquals( 2,
                      and.getDescrs().size() );

        final PatternDescr left = (PatternDescr) and.getDescrs().get( 0 );
        assertEquals( "Person",
                      left.getObjectType() );

        final PatternDescr right = (PatternDescr) and.getDescrs().get( 1 );
        assertEquals( "Cheese",
                      right.getObjectType() );
    }
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