Package org.drools.lang.descr

Examples of org.drools.lang.descr.RuleDescr

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    public void testBoundVariables() throws Exception {
        final DRLParser parser = parseResource( "bindings.drl" );
        parser.compilation_unit();

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

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

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

        final PatternDescr first = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
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        final PackageDescr pack = parser.getPackageDescr();
        assertNotNull( pack );
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( "simple_rule",
                      rule.getName() );

        //we will have 2 children under the main And node
        final AndDescr and = rule.getLhs();
        assertEquals( 2,
                      and.getDescrs().size() );

        //check the "&&" part
        final AndDescr join = (AndDescr) and.getDescrs().get( 0 );
        assertEquals( 2,
                      join.getDescrs().size() );

        PatternDescr left = (PatternDescr) join.getDescrs().get( 0 );
        PatternDescr right = (PatternDescr) join.getDescrs().get( 1 );
        assertEquals( "Person",
                      left.getObjectType() );
        assertEquals( "Cheese",
                      right.getObjectType() );

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

        FieldConstraintDescr fld = (FieldConstraintDescr) left.getConstraint().getDescrs().get( 0 );
        LiteralRestrictionDescr literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "name",
                      fld.getFieldName() );
        assertEquals( "mark",
                      literal.getText() );

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

        fld = (FieldConstraintDescr) right.getConstraint().getDescrs().get( 0 );
        literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( "stilton",
                      literal.getText() );

        //now the "||" part
        final OrDescr or = (OrDescr) and.getDescrs().get( 1 );
        assertEquals( 2,
                      or.getDescrs().size() );
        left = (PatternDescr) or.getDescrs().get( 0 );
        right = (PatternDescr) or.getDescrs().get( 1 );
        assertEquals( "Person",
                      left.getObjectType() );
        assertEquals( "Cheese",
                      right.getObjectType() );
        assertEquals( 1,
                      left.getConstraint().getDescrs().size() );

        fld = (FieldConstraintDescr) left.getConstraint().getDescrs().get( 0 );
        literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "name",
                      fld.getFieldName() );
        assertEquals( "mark",
                      literal.getText() );

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

        fld = (FieldConstraintDescr) right.getConstraint().getDescrs().get( 0 );
        literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( "stilton",
                      literal.getText() );

        assertEqualsIgnoreWhitespace( "System.out.println( \"Mark and Michael\" );",
                                      (String) rule.getConsequence() );

        assertFalse( parser.hasErrors() );
    }
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        parser.compilation_unit();

        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

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

        final PatternDescr leftPattern = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      leftPattern.getObjectType() );
        assertEquals( "foo",
                      leftPattern.getIdentifier() );

        final PatternDescr rightPattern = (PatternDescr) or.getDescrs().get( 1 );
        assertEquals( "Person",
                      rightPattern.getObjectType() );
        assertEquals( "foo",
                      rightPattern.getIdentifier() );

        final PatternDescr cheeseDescr = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Cheese",
                      cheeseDescr.getObjectType() );
        assertEquals( null,
                      cheeseDescr.getIdentifier() );

        assertEqualsIgnoreWhitespace( "System.out.println( \"Mark and Michael\" + bar );",
                                      (String) rule.getConsequence() );

        assertFalse( parser.hasErrors() );
    }
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        parser.compilation_unit();

        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

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

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

        //first fact
        final PatternDescr firstFact = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      firstFact.getObjectType() );
        assertEquals( "foo",
                      firstFact.getIdentifier() );

        //second "option"
        final PatternDescr secondFact = (PatternDescr) or.getDescrs().get( 1 );
        assertEquals( "Person",
                      secondFact.getObjectType() );
        assertEquals( 1,
                      secondFact.getConstraint().getDescrs().size() );
        assertEquals( "foo",
                      secondFact.getIdentifier() );

        assertEqualsIgnoreWhitespace( "System.out.println( \"Mark and Michael\" + bar );",
                                      (String) rule.getConsequence() );

        assertFalse( parser.hasErrors() );
    }
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        parser.compilation_unit();

        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

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

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

        //first fact
        final PatternDescr firstFact = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      firstFact.getObjectType() );
        assertEquals( "foo",
                      firstFact.getIdentifier() );

        //second "option"
        final PatternDescr secondFact = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      secondFact.getObjectType() );
        assertEquals( "foo",
                      secondFact.getIdentifier() );

        assertEqualsIgnoreWhitespace( "System.out.println( \"Mark and Michael\" + bar );",
                                      (String) rule.getConsequence() );

        assertFalse( parser.hasErrors() );
    }
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        parser.compilation_unit();

        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );

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

        final AndDescr rootAnd = (AndDescr) rule.getLhs().getDescrs().get( 0 );

        assertEquals( 2,
                      rootAnd.getDescrs().size() );

        final OrDescr leftOr = (OrDescr) rootAnd.getDescrs().get( 0 );
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                     parser.hasErrors() );

        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 4,
                      rule.getLhs().getDescrs().size() );

        final EvalDescr eval = (EvalDescr) rule.getLhs().getDescrs().get( 0 );
        assertEqualsIgnoreWhitespace( "abc(\"foo\") + 5",
                                      (String) eval.getContent() );

        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Foo",
                      pattern.getObjectType() );

    }
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        cache = ClassFieldExtractorCache.getInstance();
    }

    public void testSimpleExpression() {
        final Package pkg = new Package( "pkg1" );
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );

        PackageBuilder pkgBuilder = new PackageBuilder( pkg );
        final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
        MVELDialect mvelDialect = ( MVELDialect ) pkgBuilder.getDialectRegistry().getDialect( "mvel" );
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        cache = ClassFieldExtractorCache.getInstance();
    }

    public void testSimpleExpression() {
        final Package pkg = new Package( "pkg1" );
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );

        PackageBuilder pkgBuilder = new PackageBuilder( pkg );
        final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
        MVELDialect mvelDialect = ( MVELDialect ) pkgBuilder.getDialectRegistry().getDialect( "mvel" );
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Related Classes of org.drools.lang.descr.RuleDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilder
  • org.drools.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.QueryBuilderTest
  • org.drools.compiler.RuleErrorTest
  • org.drools.compiler.xml.rules.AndHandler
  • org.drools.compiler.xml.rules.OrHandler
  • org.drools.compiler.xml.rules.RuleHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
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