Package org.drools.lang.descr

Examples of org.drools.lang.descr.PredicateDescr

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        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 1,
                      constraints.size() );

        final PredicateDescr predicate = (PredicateDescr) constraints.get( 0 );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
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        // analyze field type:
        Class resultType = getFieldReturnType( pattern,
                                               fieldConstraintDescr );

        PredicateDescr predicateDescr = new PredicateDescr();
        MVELDumper dumper = new MVELDumper(context);
        predicateDescr.setContent( dumper.dump( fieldConstraintDescr,
                                                Date.class.isAssignableFrom( resultType ) ) );

        build( context,
               pattern,
               predicateDescr,
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            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( expr );
                    buildEval( context,
                               pattern,
                               pdescr,
                               null,
                               aliases );
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                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( expr );
        buildEval( context,
                   pattern,
                   pdescr,
                   null,
                   aliases );
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        LispForm lispForm = ( LispForm ) retDescr.getContent();
        assertEquals("(+ 2 3)", lispForm.toString() );                        

        // ----------------
        // this is how it would be compatible to our core engine
        PredicateDescr predicateDescr = (PredicateDescr) colList.get( 2 );
       
        lispForm = ( LispForm ) predicateDescr.getContent();
        assertEquals("(< 1 2)", lispForm.toString() );               

        // -----------------
        // Parse the second column
        PatternDescr hobbyPattern = (PatternDescr) lhsList.get( 1 );
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        LispForm lispForm = ( LispForm ) retDescr.getContent();
        assertEquals("(+ 2 3)", lispForm.toString() );

        // ----------------
        // this is how it would be compatible to our core engine
        PredicateDescr predicateDescr = (PredicateDescr) colList.get( 2 );
       
        lispForm = ( LispForm ) predicateDescr.getContent();
        assertEquals("(< 1 2)", lispForm.toString() );

        // -----------------
        // Parse the second column
        PatternDescr hobbyPattern = (PatternDescr) lhsList.get( 1 );
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        LispForm lispForm = ( LispForm ) retDescr.getContent();
        assertEquals("(+ 2 3)", lispForm.toString() );                        

        // ----------------
        // this is how it would be compatible to our core engine
        PredicateDescr predicateDescr = (PredicateDescr) colList.get( 2 );
       
        lispForm = ( LispForm ) predicateDescr.getContent();
        assertEquals("(< 1 2)", lispForm.toString() );               

        // -----------------
        // Parse the second column
        PatternDescr hobbyPattern = (PatternDescr) lhsList.get( 1 );
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        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 );
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        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;
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                                          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);
    }
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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
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