Examples with RotatingMap org.apache.storm.utils.RotatingMap used on opensource projects

Example 1 with RotatingMap

use of org.apache.storm.utils.RotatingMap in project storm by apache.

the class SpoutExecutor method init.

public void init(final Map<Integer, Task> idToTask) {
    while (!stormActive.get()) {
        Utils.sleep(100);
    }
    LOG.info("Opening spout {}:{}", componentId, idToTask.keySet());
    this.idToTask = idToTask;
    this.maxSpoutPending = Utils.getInt(stormConf.get(Config.TOPOLOGY_MAX_SPOUT_PENDING), 0) * idToTask.size();
    this.spouts = new ArrayList<>();
    for (Task task : idToTask.values()) {
        this.spouts.add((ISpout) task.getTaskObject());
    }
    this.pending = new RotatingMap<>(2, new RotatingMap.ExpiredCallback<Long, TupleInfo>() {

        @Override
        public void expire(Long key, TupleInfo tupleInfo) {
            Long timeDelta = null;
            if (tupleInfo.getTimestamp() != 0) {
                timeDelta = Time.deltaMs(tupleInfo.getTimestamp());
            }
            failSpoutMsg(SpoutExecutor.this, idToTask.get(tupleInfo.getTaskId()), timeDelta, tupleInfo, "TIMEOUT");
        }
    });
    this.spoutThrottlingMetrics.registerAll(stormConf, idToTask.values().iterator().next().getUserContext());
    this.outputCollectors = new ArrayList<>();
    for (Map.Entry<Integer, Task> entry : idToTask.entrySet()) {
        Task taskData = entry.getValue();
        ISpout spoutObject = (ISpout) taskData.getTaskObject();
        SpoutOutputCollectorImpl spoutOutputCollector = new SpoutOutputCollectorImpl(spoutObject, this, taskData, entry.getKey(), emittedCount, hasAckers, rand, hasEventLoggers, isDebug, pending);
        SpoutOutputCollector outputCollector = new SpoutOutputCollector(spoutOutputCollector);
        this.outputCollectors.add(outputCollector);
        taskData.getBuiltInMetrics().registerAll(stormConf, taskData.getUserContext());
        Map<String, DisruptorQueue> map = ImmutableMap.of("sendqueue", transferQueue, "receive", receiveQueue);
        BuiltinMetricsUtil.registerQueueMetrics(map, stormConf, taskData.getUserContext());
        if (spoutObject instanceof ICredentialsListener) {
            ((ICredentialsListener) spoutObject).setCredentials(credentials);
        }
        spoutObject.open(stormConf, taskData.getUserContext(), outputCollector);
    }
    openOrPrepareWasCalled.set(true);
    LOG.info("Opened spout {}:{}", componentId, idToTask.keySet());
    setupMetrics();
}