Package org.drools.lang.descr

Examples of org.drools.lang.descr.EvalDescr

58
59
60
61
62
63
64
65
66
67
68
69
        map.put( "a",
                 declaration );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );

        final EvalDescr evalDescr = new EvalDescr();
        evalDescr.setContent( "a == 10" );

        final MVELEvalBuilder builder = new MVELEvalBuilder();
        final EvalCondition eval = (EvalCondition) builder.build( context,
                                                                  evalDescr );
View Full Code Here
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 4,
                      rule.getLhs().getDescrs().size() );

        final EvalDescr eval = (EvalDescr) rule.getLhs().getDescrs().get( 0 );
        assertEqualsIgnoreWhitespace( "abc(\"foo\") + 5",
                                      (String) eval.getContent() );

        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Foo",
                      pattern.getObjectType() );
View Full Code Here
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
                      pattern.getObjectType() );
        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Bar",
                      pattern.getObjectType() );

        final EvalDescr eval = (EvalDescr) rule.getLhs().getDescrs().get( 2 );
        assertEqualsIgnoreWhitespace( "abc(\"foo\")",
                                      (String) eval.getContent() );
        assertEqualsIgnoreWhitespace( "Kapow",
                                      (String) rule.getConsequence() );

        assertFalse( parser.hasErrors() );
    }
View Full Code Here
561
562
563
564
565
566
567
568
569
570
571
        pattern.addConstraint( fieldBindingDescr );

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

        final EvalDescr evalDescr = new EvalDescr( "( ( Integer )map.get( new Integer(x) ) ).intValue() == y" );
        lhs.addDescr( evalDescr );

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

        builder.addPackage( packageDescr );
View Full Code Here
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
        ruleDescr.setLhs( lhs );

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

        final EvalDescr evalDescr = new EvalDescr( expression );
        lhs.addDescr( evalDescr );

        ruleDescr.setConsequence( "" );
    }
View Full Code Here
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
        RuleDescr ruleDescr = new RuleDescr( "test rule" );
        ruleDescr.addAttribute( new AttributeDescr( "dialect",
                                                    "mock" ) );
        ruleDescr.setLhs( new AndDescr() );
        EvalDescr evalDescr = new EvalDescr();
        ruleDescr.getLhs().addDescr( evalDescr );

        PackageDescr pkgDescr = new PackageDescr( "org.pkg1" );
        pkgDescr.addImport( new ImportDescr( "java.util.HashMap" ) );
        FunctionImportDescr functionImportDescr = new FunctionImportDescr();
        functionImportDescr.setTarget( "System.out.println" );
        pkgDescr.addFunctionImport( functionImportDescr );

        pkgDescr.addRule( ruleDescr );

        builder.addPackage( pkgDescr );

        assertSame( ruleDescr,
                    mockDialect2.getRuleDescr() );
        assertTrue( mockDialect2.getImport().contains( "java.util.HashMap" ) );
        assertTrue( mockDialect2.getStaticImport().contains( "System.out.println" ) );
        assertEquals( "eval was built",
                      evalDescr.getContent() );
        assertEquals( "consequence was built",
                      ruleDescr.getConsequence() );
        assertTrue( mockDialect2.isCompileAll() );

        assertNotNull( pkg.getRule( "test rule" ) );
View Full Code Here
414
415
416
417
418
419
420
421
422
        implements
        RuleConditionBuilder {

        public RuleConditionElement build(RuleBuildContext context,
                                          BaseDescr descr) {
            EvalDescr evalDescr = (EvalDescr) descr;
            evalDescr.setContent( "eval was built" );
            return null;
        }
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
     */
    public RuleConditionElement build(final RuleBuildContext context,
                                      final BaseDescr descr,
                                      final Pattern prefixPattern) {
        // it must be an EvalDescr
        final EvalDescr evalDescr = (EvalDescr) descr;

        try {
            MVELDialect dialect = (MVELDialect) context.getDialect( context.getDialect().getId() );

            Dialect.AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                                      evalDescr,
                                                                                      evalDescr.getContent(),
                                                                                      new Set[]{context.getDeclarationResolver().getDeclarations(context.getRule()).keySet(), context.getPkg().getGlobals().keySet()} );

            Declaration[] previousDeclarations = (Declaration[]) context.getDeclarationResolver().getDeclarations(context.getRule()).values().toArray( new Declaration[context.getDeclarationResolver().getDeclarations(context.getRule()).size()] );
            MVELCompilationUnit unit = dialect.getMVELCompilationUnit( (String) evalDescr.getContent(),
                                                                       analysis,
                                                                       previousDeclarations,
                                                                       null,
                                                                       null,
                                                                       context );
            final EvalCondition eval = new EvalCondition( previousDeclarations );

            MVELEvalExpression expr = new MVELEvalExpression( unit,
                                                              dialect.getId() );
            eval.setEvalExpression( expr );           
           
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( context.getDialect().getId() );
            data.addCompileable( eval,
                                  expr );
           
            expr.compile( context.getPackageBuilder().getRootClassLoader() );
            return eval;
        } catch ( final Exception e ) {
            context.getErrors().add( new DescrBuildError( context.getParentDescr(),
                                                          evalDescr,
                                                          e,
                                                          "Unable to build expression for 'eval':" + e.getMessage() + " '" + evalDescr.getContent() + "'" ) );
            return null;
        }
    }
View Full Code Here
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
     */
    public RuleConditionElement build(final RuleBuildContext context,
                                      final BaseDescr descr,
                                      final Pattern prefixPattern) {
        // it must be an EvalDescr
        final EvalDescr evalDescr = (EvalDescr) descr;

        final String className = "eval" + context.getNextId();

        evalDescr.setClassMethodName( className );

        Dialect.AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                                  evalDescr,
                                                                                  evalDescr.getContent(),
                                                                                  new Set[]{context.getDeclarationResolver().getDeclarations(context.getRule()).keySet(), context.getPkg().getGlobals().keySet()} );
        final List[] usedIdentifiers = analysis.getBoundIdentifiers();

        final Declaration[] declarations = new Declaration[usedIdentifiers[0].size()];
       
        for ( int i = 0, size = usedIdentifiers[0].size(); i < size; i++ ) {
            declarations[i] = context.getDeclarationResolver().getDeclaration(context.getRule(), (String) usedIdentifiers[0].get( i ) );
        }

        final EvalCondition eval = new EvalCondition( declarations );

        final Map map = createVariableContext( className,
                                               (String) evalDescr.getContent(),
                                               context,
                                               declarations,
                                               null,
                                               (String[]) usedIdentifiers[1].toArray( new String[usedIdentifiers[1].size()] ) );

View Full Code Here
51
52
53
54
55
56
57
58
59
60
61
62
     */
    public RuleConditionElement build(final RuleBuildContext context,
                                      final BaseDescr descr,
                                      final Pattern prefixPattern) {
        Appendable builder = new StringBuilderAppendable();
        EvalDescr edescr = (EvalDescr) descr;
            FunctionHandlers.dump( (LispForm) edescr.getContent(),
                                   builder,
                                   true );
            edescr.setContent( builder.toString() );
        return super.build(context, descr, prefixPattern);
    }
View Full Code Here
TOP

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

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.PackageBuilderConfigurationTest$MockEvalBuilder
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.EvalHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.api.EvalDescrBuilderImpl
  • org.drools.lang.api.impl.EvalDescrBuilderImpl
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.dialect.asm.AbstractASMEvalBuilder
    • 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.