[GitHub] [fineract] ruchiD commented on a diff in pull request #2946: FINERACT-1724: Batch worker JMS message acknowledgement support

["ruchiD (via GitHub)" <gi...@apache.org>]

ruchiD commented on code in PR #2946:
URL: https://github.com/apache/fineract/pull/2946#discussion_r1098224121


##########
fineract-provider/src/main/java/org/apache/fineract/infrastructure/springbatch/messagehandler/JmsBatchWorkerMessageListener.java:
##########
@@ -0,0 +1,97 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.infrastructure.springbatch.messagehandler;
+
+import javax.jms.JMSException;
+import javax.jms.MessageListener;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.fineract.infrastructure.springbatch.ContextualMessage;
+import org.apache.fineract.infrastructure.springbatch.InputChannelInterceptor;
+import org.apache.fineract.infrastructure.springbatch.messagehandler.conditions.JmsWorkerCondition;
+import org.springframework.batch.core.BatchStatus;
+import org.springframework.batch.core.Step;
+import org.springframework.batch.core.StepExecution;
+import org.springframework.batch.core.explore.JobExplorer;
+import org.springframework.batch.core.repository.JobRepository;
+import org.springframework.batch.core.step.StepLocator;
+import org.springframework.batch.integration.partition.StepExecutionRequest;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.annotation.Conditional;
+import org.springframework.jms.support.converter.MessagingMessageConverter;
+import org.springframework.messaging.Message;
+import org.springframework.stereotype.Component;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+@Conditional(JmsWorkerCondition.class)
+public class JmsBatchWorkerMessageListener implements MessageListener, InitializingBean {
+
+    private final JobRepository jobRepository;
+    private final StepLocator stepLocator;
+    private final JobExplorer jobExplorer;
+    private final InputChannelInterceptor inputInterceptor;
+    private MessagingMessageConverter converter;
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        converter = new MessagingMessageConverter();
+    }
+
+    public void handleMessage(StepExecutionRequest request) {
+        Long jobExecutionId = request.getJobExecutionId();
+        Long stepExecutionId = request.getStepExecutionId();
+        String stepName = request.getStepName();
+
+        StepExecution stepExecution = jobExplorer.getStepExecution(jobExecutionId, stepExecutionId);
+        if (stepExecution == null) {
+            throw new IllegalStateException("stepExecution cannot be null");
+        }
+
+        Step step = stepLocator.getStep(stepName);
+        try {
+            step.execute(stepExecution);
+            stepExecution.setStatus(BatchStatus.COMPLETED);
+        } catch (Exception e) {
+            stepExecution.addFailureException(e);
+            stepExecution.setStatus(BatchStatus.FAILED);
+        } finally {
+            jobRepository.update(stepExecution);
+        }
+    }
+
+    @Override
+    @SuppressWarnings({ "unchecked" })
+    public void onMessage(javax.jms.Message message) {
+        try {
+            Message<ContextualMessage> msg = (Message<ContextualMessage>) converter.fromMessage(message);
+            Message<StepExecutionRequest> requestMessage = inputInterceptor.beforeHandleMessage(msg);
+            handleMessage(requestMessage.getPayload());
+        } catch (Exception e) {
+            log.error("Exception while processing JMS message", e);
+        } finally {
+            try {
+                message.acknowledge();
+            } catch (JMSException e) {
+                log.error("Unable to acknowledge message", e);
+            }
+        }
+    }
+}

Review Comment:
   Timeout for acknowledgement of message for redelivery. but not required in this scenario.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: commits-unsubscribe@fineract.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org