Package org.drools.lang.descr

Examples of org.drools.lang.descr.PredicateDescr

339
340
341
342
343
344
345
346
347
348
349
350
351
        boolean strictMode = mvelDialect.isStrictMode();
        mvelDialect.setStrictMode( false );

        context.setDialect( mvelDialect );

        PredicateDescr predicateDescr = new PredicateDescr();
        MVELDumper dumper = new MVELDumper();
        predicateDescr.setContent( dumper.dump( fieldConstraintDescr ) );

        build( context,
               pattern,
               predicateDescr,
               container );
View Full Code Here
982
983
984
985
986
987
988
989
990
991
992
993
        if ( d instanceof AtomicExprDescr ) {
            Matcher m = evalRegexp.matcher( ((AtomicExprDescr) d).getExpression() );
            if ( m.find() ) {
                // MVELDumper already stripped the eval
                // this will build the eval using the specified dialect
                PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
                pdescr.copyLocation( d );
                buildEval( context, pattern, pdescr, aliases, expr, true );
                return true;
            }
        }
        return false;
View Full Code Here
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
        pdescr.copyParameters( base );
        pdescr.copyLocation( base );
        buildEval( context, pattern, pdescr, aliases, expr, false );

        // fall back to original dialect
        context.setDialect(dialect);
    }
View Full Code Here
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
        AndDescr and = (AndDescr) col.getConstraint();
        assertEquals( 2,
                      and.getDescrs().size() );

        final FieldBindingDescr field = (FieldBindingDescr) and.getDescrs().get( 0 );
        final PredicateDescr pred = (PredicateDescr) and.getDescrs().get( 1 );
        assertEquals( "age",
                      field.getFieldName() );
        assertEquals( "$age2",
                      field.getIdentifier() );
        assertEqualsIgnoreWhitespace( "$age2 == $age1+2",
                                      (String) pred.getContent() );
    }
View Full Code Here
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 2,
                      constraints.size() );

        final FieldBindingDescr field = (FieldBindingDescr) constraints.get( 0 );
        final PredicateDescr predicate = (PredicateDescr) constraints.get( 1 );
        assertEquals( "$var",
                      field.getIdentifier() );
        assertEquals( "attr",
                      field.getFieldName() );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
View Full Code Here
2591
2592
2593
2594
2595
2596
2597
2598
2599
        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 1,
                      constraints.size() );

        final PredicateDescr predicate = (PredicateDescr) constraints.get( 0 );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
View Full Code Here
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
        map.put( "b",
                 b );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );

        final PredicateDescr predicateDescr = new PredicateDescr();
        predicateDescr.setContent( "a == b" );

       
       
        final MVELPredicateBuilder builder = new MVELPredicateBuilder();
        final Declaration[] previousDeclarations = new Declaration[]{a};
        final Declaration[] localDeclarations = new Declaration[]{b};

        final PredicateConstraint predicate = new PredicateConstraint( null,
                                                                       localDeclarations );
       
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                          predicateDescr,
                                                                          predicateDescr.getContent(),
                                                                          new BoundIdentifiers( declarationResolver.getDeclarationClasses( (Rule) null ), new HashMap(), null, Cheese.class ) );

        builder.build( context,
                       new BoundIdentifiers( declarationResolver.getDeclarationClasses( (Rule) null ), new HashMap() ),
                       previousDeclarations,
View Full Code Here
379
380
381
382
383
384
385
386
387
388
389
390
391
        // analyze field type:
        Class resultType = getFieldReturnType( pattern,
                                               fieldConstraintDescr );
       
        PredicateDescr predicateDescr = new PredicateDescr();
        MVELDumper dumper = new MVELDumper();
        predicateDescr.setContent( dumper.dump( fieldConstraintDescr, Date.class.isAssignableFrom( resultType ) ) );

        build( context,
               pattern,
               predicateDescr,
               container );
View Full Code Here
57
58
59
60
61
62
63
64
65
                        final String localName,
                        final Attributes attrs) throws SAXException {
        this.xmlPackageReader.startConfiguration( localName,
                                                  attrs );

        final PredicateDescr predicateDescr = new PredicateDescr();

        return predicateDescr;
    }
View Full Code Here
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
    public Object end(final String uri,
                      final String localName) throws SAXException {
        final Configuration config = this.xmlPackageReader.endConfiguration();

        final PredicateDescr predicateDescr = (PredicateDescr) this.xmlPackageReader.getCurrent();

        final String expression = config.getText();

        if ( expression == null || expression.trim().equals( "" ) ) {
            throw new SAXParseException( "<predicate> must have some content",
                                         this.xmlPackageReader.getLocator() );
        }

        predicateDescr.setContent( expression );

        final LinkedList parents = this.xmlPackageReader.getParents();
        final ListIterator it = parents.listIterator( parents.size() );
        it.previous();
        final PatternDescr patternDescr = (PatternDescr) it.previous();
View Full Code Here
TOP

Related Classes of org.drools.lang.descr.PredicateDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.PredicateHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.ConstraintBuilder
  • org.drools.rule.builder.dialect.asm.AbstractASMEvalBuilder
  • org.drools.rule.builder.dialect.clips.ClipsDialect
  • org.drools.rule.builder.dialect.mvel.MVELPredicateBuilderTest
  • org.drools.rule.builder.MVELConstraintBuilder
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.