Examples of MVELExprDescr

Examples of org.drools.lang.descr.MVELExprDescr

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            context.setTypesafe(false);
        }

        final FromDescr fromDescr = (FromDescr) descr;

        final MVELExprDescr expr = (MVELExprDescr) fromDescr.getDataSource();
        From from = null;
        try {
            Map<String, Declaration> decls = context.getDeclarationResolver().getDeclarations(context.getRule());

            String text = (String) expr.getText();
            AnalysisResult analysis = dialect.analyzeExpression( context,
                                                                 descr,
                                                                 text,
                                                                 new BoundIdentifiers(context.getDeclarationResolver().getDeclarationClasses( decls ),
                                                                                      context.getPackageBuilder().getGlobals() ) );
            if ( analysis == null ) {
                // something bad happened
                return null;
            }
           
            final BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();           
            final Declaration[] declarations =  new Declaration[usedIdentifiers.getDeclrClasses().size()];
            String[] declrStr = new String[declarations.length];
            int j = 0;
            for (String str : usedIdentifiers.getDeclrClasses().keySet() ) {
                declrStr[j] = str;
                declarations[j++] = decls.get( str );
            }
            Arrays.sort( declarations, SortDeclarations.instance  );           
           
            MVELCompilationUnit unit = dialect.getMVELCompilationUnit( text,
                                                                       analysis,
                                                                       declarations,
                                                                       null,
                                                                       null,
                                                                       context,
                                                                       "drools",
                                                                       KnowledgeHelper.class,
                                                                       false );

            MVELDataProvider dataProvider = new MVELDataProvider( unit,
                                                                  context.getDialect().getId() );
            from = new From( dataProvider );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.addCompileable( from,
                                  dataProvider );
           
            dataProvider.compile( data );
        } catch ( final Exception e ) {
            copyErrorLocation(e, fromDescr);
            context.addError( new DescrBuildError( context.getParentDescr(),
                                                          fromDescr,
                                                          null,
                                                          "Unable to build expression for 'from' : " + e.getMessage() + " '" + expr.getText() + "'" ) );
            return null;

        } finally {
            context.setTypesafe( typeSafe );
        }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_SimpleFunctionCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr func = (MVELExprDescr) from.getDataSource();

        assertEquals( "doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )",
                      func.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_SimpleAccessorWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr accessor = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt",
                      accessor.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_SimpleAccessorArgWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr accessor = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt[\"key\"]",
                      accessor.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_ComplexChainedCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr accessor = (MVELExprDescr) from.getDataSource();

        assertEquals( "doIt1( foo,bar,42,\"hello\",[ a : \"b\"], [a, \"b\", 42] ).doIt2(bar, [a, \"b\", 42]).field[\"key\"]",
                          accessor.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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        RuleDescr obj = (RuleDescr) packageDescr.getRules().get( 0 );
        PatternDescr patterndescr = (PatternDescr) obj.getLhs().getDescrs().get( 0 );

        FromDescr from = (FromDescr) patterndescr.getSource();

        MVELExprDescr accessordescriptor = (MVELExprDescr) from.getDataSource();
        assertEquals( "cheesery.getCheeses(i+4)",
                      accessordescriptor.getExpression() );

        assertEquals( patterndescr.getObjectType(),
                      "Cheese" );
        assertEquals( patterndescr.getIdentifier(),
                      "cheese" );
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                              "test_SimpleMethodCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr method = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )",
                      method.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_SimpleMethodCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr method = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )",
                      method.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_SimpleFunctionCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr func = (MVELExprDescr) from.getDataSource();

        assertEquals( "doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )",
                      func.getExpression() );
    }
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Examples of org.drools.lang.descr.MVELExprDescr

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                                                          "test_SimpleAccessorWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr accessor = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt",
                      accessor.getExpression() );
    }
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