[skywalking] branch master updated: fix express parse for null (#3988)

[wusheng]

This is an automated email from the ASF dual-hosted git repository.

wusheng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/skywalking.git


The following commit(s) were added to refs/heads/master by this push:
     new 3cb622d  fix express parse for null (#3988)
3cb622d is described below

commit 3cb622daed914761cbb791d34d78ea7d9b8e5d5f
Author: zhang-wei <pk...@outlook.com>
AuthorDate: Sun Dec 1 18:37:23 2019 +0800

    fix express parse for null (#3988)
---
 .../test/agent/tool/validator/assertor/ExpressParser.java      | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git 
a/test/plugin/validator/src/main/java/org/apache/skywalking/plugin/test/agent/tool/validator/assertor/ExpressParser.java
 
b/test/plugin/validator/src/main/java/org/apache/skywalking/plugin/test/agent/tool/validator/assertor/ExpressParser.java
index 28b7d67..5eb7823 100644
--- 
a/test/plugin/validator/src/main/java/org/apache/skywalking/plugin/test/agent/tool/validator/assertor/ExpressParser.java
+++ 
b/test/plugin/validator/src/main/java/org/apache/skywalking/plugin/test/agent/tool/validator/assertor/ExpressParser.java
@@ -16,13 +16,7 @@
  */
 package org.apache.skywalking.plugin.test.agent.tool.validator.assertor;
 
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.ElementAssertor;
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.EqualsAssertor;
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.GreatThanAssertor;
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.GreetEqualAssertor;
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NoopAssertor;
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NotEqualsAssertor;
-import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.NotNullAssertor;
+import 
org.apache.skywalking.plugin.test.agent.tool.validator.assertor.element.*;
 
 public class ExpressParser {
     public static ElementAssertor parse(String express) {
@@ -36,7 +30,7 @@ public class ExpressParser {
         }
 
         if (expressTrim.equals("null")) {
-            return new NotNullAssertor();
+            return new NullAssertor();
         }
 
         String[] expressSegment = expressTrim.split(" ");