Use RecordELResolver in Flowable expression manager

Author: filiphr

modules/flowable-engine-common/src/main/java/org/flowable/common/engine/impl/el/DefaultExpressionManager.java

@@ -28,6 +28,7 @@
 import org.flowable.common.engine.impl.javax.el.ExpressionFactory;
 import org.flowable.common.engine.impl.javax.el.ListELResolver;
 import org.flowable.common.engine.impl.javax.el.MapELResolver;
+import org.flowable.common.engine.impl.javax.el.RecordELResolver;
 import org.flowable.common.engine.impl.javax.el.ValueExpression;
 import org.flowable.common.engine.impl.persistence.deploy.DeploymentCache;
 
@@ -135,6 +136,7 @@ protected List<ELResolver> createDefaultElResolvers() {
         elResolvers.add(new ArrayELResolver());
         elResolvers.add(new ListELResolver());
         elResolvers.add(new MapELResolver());
+        elResolvers.add(new RecordELResolver());
         ELResolver jsonNodeElResolver = createJsonNodeElResolver();
         if (jsonNodeElResolver != null) {
             elResolvers.add(jsonNodeElResolver);

modules/flowable-engine/src/test/java/org/flowable/engine/test/el/ExpressionManagerTest.java

@@ -276,6 +276,34 @@ public void testInvokeIntegerMethodWithNullParameter() {
         assertThat(value).isNull();
     }
 
+    @Test
+    @Deployment(resources = "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml")
+    public void testResolveRecordProperties() {
+        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
+
+        Object value = managementService.executeCommand(commandContext -> {
+            Expression expression = processEngineConfiguration.getExpressionManager().createExpression("#{bean.name}");
+            ExecutionEntity executionEntity = (ExecutionEntity) runtimeService.createProcessInstanceQuery()
+                    .processInstanceId(processInstance.getId())
+                    .includeProcessVariables().singleResult();
+            executionEntity.setTransientVariable("bean", new TestRecord("kermit", 30));
+            return expression.getValue(executionEntity);
+        });
+
+        assertThat(value).isEqualTo("kermit");
+
+        value = managementService.executeCommand(commandContext -> {
+            Expression expression = processEngineConfiguration.getExpressionManager().createExpression("#{bean.age}");
+            ExecutionEntity executionEntity = (ExecutionEntity) runtimeService.createProcessInstanceQuery()
+                    .processInstanceId(processInstance.getId())
+                    .includeProcessVariables().singleResult();
+            executionEntity.setTransientVariable("bean", new TestRecord("kermit", 30));
+            return expression.getValue(executionEntity);
+        });
+
+        assertThat(value).isEqualTo(30);
+    }
+
     @Test
     @Deployment(resources = "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml")
     public void testInvokeOnArrayNode() {
@@ -398,4 +426,7 @@ public String nonPrimitiveInteger(Integer value) {
             return value == null ? null : value.toString();
         }
     }
+
+    record TestRecord(String name, int age) {
+    }
 }