/** * 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 frequence, String name, BatchCollector batchCollector) { if (frequence <= 0) { LOG.warn(" The frequence of " + name + " is invalid"); frequence = 1; } this.name = name; this._flushIntervalMs = frequence; 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); return; } } }