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   1 /**
   2  * Copyright (c) 2010-2020 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.cbus.internal;
  14
  15 import java.util.HashMap;
  16 import java.util.Map;
  17 import java.util.concurrent.ThreadPoolExecutor;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.core.common.ThreadPoolManager;
  22
  23 import com.daveoxley.cbus.CGateThreadPool;
  24 import com.daveoxley.cbus.CGateThreadPoolExecutor;
  25
  26 /**
  27  * The {@link CBusThreadPool} is responsible for executing jobs from a threadpool
  28  *
  29  * @author John Harvey - Initial contribution
  30  */
  31
  32 @NonNullByDefault
  33 public class CBusThreadPool extends CGateThreadPool {
  34
  35     private final Map<String, @Nullable CGateThreadPoolExecutor> executorMap = new HashMap<>();
  36
  37     @Override
  38     protected synchronized CGateThreadPoolExecutor CreateExecutor(@Nullable String name) {
  39         if (name == null || name.isEmpty()) {
  40             name = "_default";
  41         }
  42         @Nullable
  43         CGateThreadPoolExecutor executor = executorMap.get(name);
  44         if (executor != null) {
  45             return executor;
  46         }
  47         CGateThreadPoolExecutor newExecutor = new CBusThreadPoolExecutor(name);
  48         executorMap.put(name, newExecutor);
  49         return newExecutor;
  50     }
  51
  52     @NonNullByDefault
  53     public class CBusThreadPoolExecutor extends CGateThreadPoolExecutor {
  54         private final ThreadPoolExecutor threadPool;
  55
  56         public CBusThreadPoolExecutor(@Nullable String poolName) {
  57             threadPool = (ThreadPoolExecutor) ThreadPoolManager.getPool("binding.cbus-" + poolName);
  58         }
  59
  60         @Override
  61         protected void execute(@Nullable Runnable runnable) {
  62             if (runnable != null) {
  63                 threadPool.execute(runnable);
  64             }
  65         }
  66     }
  67 }