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Posted to notifications@shardingsphere.apache.org by wu...@apache.org on 2023/06/14 01:49:55 UTC

[shardingsphere] branch master updated: Fix stop job before task starting (#26325)

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

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


The following commit(s) were added to refs/heads/master by this push:
     new 939b91f6978 Fix stop job before task starting (#26325)
939b91f6978 is described below

commit 939b91f69789a0f82dc822b34d5924ba278c2946
Author: Hongsheng Zhong <zh...@apache.org>
AuthorDate: Wed Jun 14 09:49:48 2023 +0800

    Fix stop job before task starting (#26325)
---
 kernel/data-pipeline/api/pom.xml                   | 20 +++--
 .../api/executor/AbstractLifecycleExecutor.java    | 29 ++++---
 .../executor/AbstractLifecycleExecutorTest.java    | 91 ++++++++++++++++++++++
 3 files changed, 121 insertions(+), 19 deletions(-)

diff --git a/kernel/data-pipeline/api/pom.xml b/kernel/data-pipeline/api/pom.xml
index fabff7433c8..2f3ebb900ee 100644
--- a/kernel/data-pipeline/api/pom.xml
+++ b/kernel/data-pipeline/api/pom.xml
@@ -34,6 +34,15 @@
             <version>${project.version}</version>
         </dependency>
         
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+        </dependency>
+        
         <dependency>
             <groupId>org.apache.shardingsphere</groupId>
             <artifactId>shardingsphere-test-fixture-jdbc</artifactId>
@@ -46,14 +55,11 @@
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
-        
         <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
+            <groupId>org.apache.shardingsphere</groupId>
+            <artifactId>shardingsphere-test-util</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
         </dependency>
     </dependencies>
 </project>
diff --git a/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutor.java b/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutor.java
index ac008c426aa..fbefb1b9f8a 100644
--- a/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutor.java
+++ b/kernel/data-pipeline/api/src/main/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutor.java
@@ -17,9 +17,6 @@
 
 package org.apache.shardingsphere.data.pipeline.api.executor;
 
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 
 import java.sql.SQLException;
@@ -27,6 +24,7 @@ import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
+import java.util.concurrent.atomic.AtomicReference;
 
 /**
  * Abstract lifecycle executor.
@@ -36,17 +34,20 @@ public abstract class AbstractLifecycleExecutor implements LifecycleExecutor {
     
     private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
     
-    @Getter(AccessLevel.PROTECTED)
-    @Setter(AccessLevel.PROTECTED)
-    private volatile boolean running;
-    
-    private volatile boolean stopped;
+    private final AtomicReference<Boolean> running = new AtomicReference<>(null);
     
     private volatile long startTimeMillis;
     
+    protected boolean isRunning() {
+        Boolean running = this.running.get();
+        return null != running && running;
+    }
+    
     @Override
     public final void start() {
-        running = true;
+        if (null != running.get() || !running.compareAndSet(null, true)) {
+            return;
+        }
         startTimeMillis = System.currentTimeMillis();
         runBlocking();
     }
@@ -58,7 +59,12 @@ public abstract class AbstractLifecycleExecutor implements LifecycleExecutor {
     
     @Override
     public final void stop() {
-        if (stopped) {
+        Boolean running = this.running.get();
+        if (null == running) {
+            this.running.set(false);
+            return;
+        }
+        if (!running) {
             return;
         }
         LocalDateTime startTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(startTimeMillis), ZoneId.systemDefault());
@@ -70,8 +76,7 @@ public abstract class AbstractLifecycleExecutor implements LifecycleExecutor {
             // CHECKSTYLE:ON
             log.warn("doStop failed", ex);
         }
-        running = false;
-        stopped = true;
+        this.running.set(false);
     }
     
     protected abstract void doStop() throws SQLException;
diff --git a/kernel/data-pipeline/api/src/test/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutorTest.java b/kernel/data-pipeline/api/src/test/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutorTest.java
new file mode 100644
index 00000000000..c4aa4e05c19
--- /dev/null
+++ b/kernel/data-pipeline/api/src/test/java/org/apache/shardingsphere/data/pipeline/api/executor/AbstractLifecycleExecutorTest.java
@@ -0,0 +1,91 @@
+/*
+ * 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.shardingsphere.data.pipeline.api.executor;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class AbstractLifecycleExecutorTest {
+    
+    @Test
+    void assertRunning() {
+        FixtureLifecycleExecutor executor = new FixtureLifecycleExecutor();
+        assertFalse(executor.isRunning());
+        executor.start();
+        assertTrue(executor.isRunning());
+        executor.stop();
+        assertFalse(executor.isRunning());
+    }
+    
+    @Test
+    void assertStartRunOnce() {
+        FixtureLifecycleExecutor executor = new FixtureLifecycleExecutor();
+        executor.start();
+        executor.start();
+        assertThat(executor.runBlockingCount.get(), is(1));
+    }
+    
+    @Test
+    void assertStopRunOnce() {
+        FixtureLifecycleExecutor executor = new FixtureLifecycleExecutor();
+        executor.start();
+        executor.stop();
+        executor.stop();
+        assertThat(executor.doStopCount.get(), is(1));
+    }
+    
+    @Test
+    void assertNoStopBeforeStarting() {
+        FixtureLifecycleExecutor executor = new FixtureLifecycleExecutor();
+        executor.stop();
+        executor.stop();
+        assertThat(executor.doStopCount.get(), is(0));
+    }
+    
+    @Test
+    void assertStopStart() {
+        FixtureLifecycleExecutor executor = new FixtureLifecycleExecutor();
+        executor.stop();
+        executor.start();
+        assertThat(executor.doStopCount.get(), is(0));
+        assertThat(executor.runBlockingCount.get(), is(0));
+    }
+    
+    private static class FixtureLifecycleExecutor extends AbstractLifecycleExecutor {
+        
+        private final AtomicInteger runBlockingCount = new AtomicInteger();
+        
+        private final AtomicInteger doStopCount = new AtomicInteger();
+        
+        @Override
+        protected void runBlocking() {
+            runBlockingCount.addAndGet(1);
+        }
+        
+        @Override
+        protected void doStop() {
+            doStopCount.addAndGet(1);
+        }
+    }
+}