content: /**
   * 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.jstorm.daemon.worker.timer;
  
  import com.alibaba.jstorm.daemon.worker.Flusher;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import com.alibaba.jstorm.task.execute.BatchCollector;
  
  import java.util.concurrent.atomic.AtomicBoolean;
  
  public class TaskBatchFlushTrigger extends Flusher {
      private static final Logger LOG = LoggerFactory.getLogger(TickTupleTrigger.class);
  
      private BatchCollector batchCollector;
      private String name;
      private AtomicBoolean isFlushing = new AtomicBoolean(false);
  
      public TaskBatchFlushTrigger(int frequency, String name, BatchCollector batchCollector) {
          if (frequency <= 0) {
              LOG.warn(" The frequency of " + name + " is invalid");
              frequency = 1;
          }
          this.name = name;
          this.flushIntervalMs = frequency;
          this.batchCollector = batchCollector;
      }
  
      @Override
      public void run() {
          try {
              if (isFlushing.compareAndSet(false, true)) {
                  batchCollector.flush();
                  isFlushing.set(false);
              }
          } catch (Exception e) {
              LOG.warn("Failed to public timer event to " + name, e);
          }
      }
  }
  