Package org.drools.lang.descr

Examples of org.drools.lang.descr.FieldConstraintDescr.addRestriction()

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        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );

        final FieldConstraintDescr returnValue = new FieldConstraintDescr( "price" );
        returnValue.addRestriction( new ReturnValueRestrictionDescr( "==",
                                                                     expression ) );

        pattern.addConstraint( returnValue );

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

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

        patternDescr.addConstraint( literalDescr );

        ceDescr.addDescr( patternDescr );
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        AndDescr lhs = new AndDescr();
        queryDescr.setLhs( lhs );
        PatternDescr pattern = new PatternDescr( Person.class.getName() );
        lhs.addDescr( pattern );
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "name" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$name" ) );
        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "age" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
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        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$name" ) );
        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "age" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$age" ) );
        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "likes" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
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        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$age" ) );
        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "likes" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$likes" ) );
        pattern.addConstraint( literalDescr );       
       
        RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );
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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 VariableRestrictionDescr( "==",
                                                                   "$type" ) );

        pattern.addConstraint( literalDescr );

        builder.addPackage( packageDescr );
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        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );

        final FieldConstraintDescr returnValue = new FieldConstraintDescr( "price" );
        returnValue.addRestriction( new ReturnValueRestrictionDescr( "==",
                                                                     "x" ) );

        pattern.addConstraint( returnValue );

        // There is no m this should produce errors.
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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( "System.out.println( 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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        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );

        final FieldConstraintDescr returnValue = new FieldConstraintDescr( "price" );
        returnValue.addRestriction( new ReturnValueRestrictionDescr( "==",
                                                                     "(( (Integer) map.get( new Integer( x )) ).intValue() * y)" ) );

        pattern.addConstraint( returnValue );

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