*/
    public void sendHeartbeat() {
        final long now = System.currentTimeMillis();
        final long ttl = ComponentUtil.getFessConfig().getCoordinatorHeartbeatTtlAsInteger().longValue();
        final String hostname = ComponentUtil.getSystemHelper().getHostname();
        final String targetName = ComponentUtil.getFessConfig().getSchedulerTargetName();

            }

            @Override
            public Integer getCoordinatorPollIntervalAsInteger() {
                return 60;
            }

            @Override
            public Integer getCoordinatorHeartbeatTtlAsInteger() {
                return 180000;
            }

            @Override
            public Integer getCoordinatorOperationTtlAsInteger() {
                return 7200000;
            }