} catch (final Exception e) {
            maxBufferSize = 1000;
        }
        queue.offer(event);
        if (size.incrementAndGet() > maxBufferSize) {
            if (queue.poll() != null) {
                size.decrementAndGet();
            }
        }
    }

    /**
     * Drains all events from the buffer and returns them as a list.
     *

    //                                                                         Poll Loop
    //                                                                         ===========

    /**
     * Periodic poll that sends a heartbeat, processes new events, and cleans up expired documents.
     */
    protected void poll() {
        try {
            sendHeartbeat();
        } catch (final Exception e) {

        searchLogHelper.createSearchLog(params, now, "test-query-id", "test query", 0, 10, queryResponseList, context);

        assertFalse(searchLogHelper.searchLogQueue.isEmpty());
        return searchLogHelper.searchLogQueue.poll();
    }

    @Test
    public void test_addSearchLog_accessType_json() {
        final SearchLog searchLog = callCreateSearchLogAndGetResult(Constants.SEARCH_LOG_ACCESS_TYPE_JSON);

    //                                                         Poll Loop Safety
    //                                                         ==================

    @Test
    public void test_poll_callsHeartbeatEventsCleanup() {
        // Verify poll calls sendHeartbeat, fetchNewEvents+dispatch, cleanupExpiredDocuments

        final List<SearchLog> searchLogList = new ArrayList<>();
        final Map<String, UserInfo> userInfoMap = new HashMap<>();
        while (!queue.isEmpty()) {
            final SearchLog searchLog = queue.poll();
            if (searchLog != null) {
                final String userAgent = searchLog.getUserAgent();
                final boolean isBot =

     * Get the value for the key 'coordinator.poll.interval'. <br>
     * The value is, e.g. 60 <br>
     * comment: Interval (seconds) for polling heartbeats and events.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCoordinatorPollInterval();

    /**
     * Get the value for the key 'coordinator.poll.interval' as {@link Integer}. <br>

#                                                Coordinator
#                                                     ------

# Interval (seconds) for polling heartbeats and events.
coordinator.poll.interval=60
# Time-to-live (ms) for instance heartbeat documents.
coordinator.heartbeat.ttl=180000
# Time-to-live (ms) for operation lock documents.
coordinator.operation.ttl=7200000