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From GitBox <...@apache.org>
Subject [GitHub] beiwei30 commented on a change in pull request #1568: Extension: Enhanced Thread Pool
Date Mon, 09 Apr 2018 06:49:47 GMT
beiwei30 commented on a change in pull request #1568: Extension: Enhanced Thread Pool
URL: https://github.com/apache/incubator-dubbo/pull/1568#discussion_r179999278
 
 

 ##########
 File path: dubbo-common/src/main/java/com/alibaba/dubbo/common/threadpool/support/enhanced/EnhancedTaskQueue.java
 ##########
 @@ -0,0 +1,73 @@
+/*
+ * 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 com.alibaba.dubbo.common.threadpool.support.enhanced;
+
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.RejectedExecutionException;
+
+/**
+ * enhanced task queue in the enhanced thread pool
+ */
+public class EnhancedTaskQueue<R extends Runnable> extends LinkedBlockingQueue<Runnable>
{
+
+    private static final long serialVersionUID = -2635853580887179627L;
+
+    private EnhancedThreadPoolExecutor executor;
+
+    public EnhancedTaskQueue(int capacity) {
+        super(capacity);
+    }
+
+    public void setExecutor(EnhancedThreadPoolExecutor exec) {
+        executor = exec;
+    }
+
+    @Override
+    public boolean offer(Runnable runnable) {
+        if (executor == null) {
+            throw new RejectedExecutionException("enhanced queue does not have executor !");
+        }
+        int currentPoolThreadSize = executor.getPoolSize();
+        //have free worker. put task into queue to let the worker deal with task.
 
 Review comment:
   leave space after `//`

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