/*******************************************************************************
 * Copyright 2016, 2017 vanilladb.org contributors
 *
 * Licensed 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.vanilladb.core.server.task;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.vanilladb.core.util.CoreProperties;

/**
 * The task manager of VanillaCore. This manager is responsible for maintaining
 * the thread pool of worker thread.
 */
public class TaskMgr {
	
	public final static int THREAD_POOL_SIZE;

	static {
		THREAD_POOL_SIZE = CoreProperties.getLoader().getPropertyAsInteger(
				TaskMgr.class.getName() + ".THREAD_POOL_SIZE", 150);
	}
	
	private ExecutorService executor;

	public TaskMgr() {
		executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);
	}

	public void runTask(Task task) {
		executor.execute(task);
	}
}

@@ -859,23 +859,17 @@
 Executor
-Service
+s
 ;%0D%0Aimpor
@@ -887,32 +887,42 @@
 .concurrent.
+ThreadPool
 Executor
 s;%0D%0A%0D%0Aimport
@@ -909,17 +909,16 @@
 Executor
-s
 ;%0D%0A%0D%0Aimp
@@ -1322,24 +1322,34 @@
 private 
+ThreadPool
 Executor
 Service 
@@ -1344,15 +1344,8 @@
 utor
-Service
  exe
@@ -1387,16 +1387,37 @@
 ecutor =
+ (ThreadPoolExecutor)
  Executo
@@ -1530,11 +1530,87 @@
 );%0D%0A%09%7D%0D%0A
+%09%0D%0A%09public int getActiveCount() %7B%0D%0A%09%09return executor.getActiveCount();%0D%0A%09%7D%0D%0A
 %7D%0D%0A

Return active thread count from the threadpool