Github user dongeforever commented on a diff in the pull request:
https://github.com/apache/incubator-rocketmq/pull/156#discussion_r139869366
--- Diff:
client/src/main/java/org/apache/rocketmq/client/hook/TracerTimeSendMessageHook.java
---
@@ -0,0 +1,52 @@
+/*
+ * 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.rocketmq.client.hook;
+
+import java.lang.reflect.Method;
+import org.apache.rocketmq.common.ClientTracerTimeUtil;
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.common.message.MessageConst;
+
+public class TracerTimeSendMessageHook implements SendMessageHook {
+
+ @Override
+ public String hookName() {
+ return "TracerTimeSendMessageHook";
+ }
+
+ @Override
+ public void sendMessageBefore(SendMessageContext context) {
+ tracerTimeIfNecessary(context.getMessage(),
MessageConst.MESSAGE_SEND_TIME);
+ }
+
+ @Override
+ public void sendMessageAfter(SendMessageContext context) {
+ tracerTimeIfNecessary(context.getMessage(),
MessageConst.RECEIVE_SEND_ACK_TIME);
+ }
+
+ public void tracerTimeIfNecessary(Message msg, String propertyKey) {
+ if (ClientTracerTimeUtil.isEnableTracerTime()) {
+ try {
+ Method putPropertyMethod =
msg.getClass().getDeclaredMethod("putProperty", String.class, String.class);
--- End diff --
Better to use MessageAccessor instead of reflection
---
