Package org.drools.lang.descr

Examples of org.drools.lang.descr.LiteralRestrictionDescr

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        final PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                            "stilton" );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  null ) );

        patternDescr.addConstraint( literalDescr );

        ruleDescr.setConsequence( "" );
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        AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                      "stilton" );
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

        ruleDescr = new RuleDescr( "rule-1" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );
        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

        ruleDescr = new RuleDescr( "rule-2" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );

        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );

        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );
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        final BindingDescr fieldBindingDescr = new BindingDescr( "$type",
                                                                 "type" );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "stilton" ) );

        pattern1.addConstraint( fieldBindingDescr );
        pattern1.addConstraint( literalDescr );
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                                         this.xmlPackageReader.getLocator() );
        }

        final String text = attrs.getValue( "value" );

        final LiteralRestrictionDescr literalDescr = new LiteralRestrictionDescr( evaluator,
                                                                                  text );

        return literalDescr;
    }
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    public Object end(final String uri,
                      final String localName) throws SAXException {
        final Configuration config = this.xmlPackageReader.endConfiguration();

        final LiteralRestrictionDescr literalDescr = (LiteralRestrictionDescr) this.xmlPackageReader.getCurrent();

        final LinkedList parents = this.xmlPackageReader.getParents();
        final ListIterator it = parents.listIterator( parents.size() );
        it.previous();
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        final RuleDescr ruleDescr = new RuleDescr( "Test Rule" );
        AndDescr andDescr = new AndDescr();
        PatternDescr patDescr = new PatternDescr( "java.math.BigDecimal",
                                                  "$bd" );
        FieldConstraintDescr fcd = new FieldConstraintDescr( "this" );
        LiteralRestrictionDescr restr = new LiteralRestrictionDescr( "==",
                                                                     "10" );
        fcd.addRestriction( restr );
        patDescr.addConstraint( fcd );
        andDescr.addDescr( patDescr );
        ruleDescr.setLhs( andDescr );
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        final RuleDescr ruleDescr = new RuleDescr( "Test Rule" );
        AndDescr andDescr = new AndDescr();
        PatternDescr patDescr = new PatternDescr( "java.math.BigInteger",
                                                  "$bd" );
        FieldConstraintDescr fcd = new FieldConstraintDescr( "this" );
        LiteralRestrictionDescr restr = new LiteralRestrictionDescr( "==",
                                                                     "10" );
        fcd.addRestriction( restr );
        patDescr.addConstraint( fcd );
        andDescr.addDescr( patDescr );
        ruleDescr.setLhs( andDescr );
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        final PatternDescr pattern = new PatternDescr( "Cheese",
                                                       "stilton" );
        lhs.addDescr( pattern );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "name" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "stilton" ) );

        pattern.addConstraint( literalDescr );

        ruleDescr.setConsequence( "String result = stilton.getFieldValue( \"name\" ) + \" \" + stilton.getFieldValue( \"price\" );" );
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        final PatternDescr pattern = new PatternDescr( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "stilton" ) );

        pattern.addConstraint( literalDescr );

        ruleDescr.setConsequence( "update(stilton);" );
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    }

    public void testNumbers() throws Exception {
        // test boolean
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "booleanPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "true" ) );
        createLiteralRule( literalDescr );

        // test boolean
        literalDescr = new FieldConstraintDescr( "booleanPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "false" ) );
        createLiteralRule( literalDescr );

        // test char
        literalDescr = new FieldConstraintDescr( "charPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "a" ) );
        createLiteralRule( literalDescr );

        // test byte
        literalDescr = new FieldConstraintDescr( "bytePrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "1" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "bytePrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "bytePrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "-1" ) );
        createLiteralRule( literalDescr );

        // test short
        literalDescr = new FieldConstraintDescr( "shortPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "1" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "shortPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "shortPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "-1" ) );
        createLiteralRule( literalDescr );

        // test int
        literalDescr = new FieldConstraintDescr( "intPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "1" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "intPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "intPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "-1" ) );
        createLiteralRule( literalDescr );

        // test long
        literalDescr = new FieldConstraintDescr( "longPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "1" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "longPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "longPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        // test float
        literalDescr = new FieldConstraintDescr( "floatPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "1.1" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "floatPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "floatPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "-1.1" ) );
        createLiteralRule( literalDescr );

        // test double
        literalDescr = new FieldConstraintDescr( "doublePrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "1.1" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "doublePrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "0" ) );
        createLiteralRule( literalDescr );

        literalDescr = new FieldConstraintDescr( "floatPrimitive" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "-1.1" ) );
        createLiteralRule( literalDescr );
    }
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Related Classes of org.drools.lang.descr.LiteralRestrictionDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.LiteralRestrictionHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.rule.builder.PatternBuilder
  • org.drools.xml.LiteralRestrictionHandler
  • org.drools.xml.rules.LiteralRestrictionHandler
  • org.drools.xml.rules.XmlPackageReaderTest
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