@Override
    public boolean remove(String jobId) {
        Query<JobPo> query = template.createQuery(JobPo.class);
        query.field("jobId").equal(jobId);
        WriteResult wr = template.delete(query);
        return wr.getN() == 1;
    }
@author Robert HG (254963746@qq.com) on 5/28/15.
lts-core/src/main/java/com/github/ltsopensource/queue/mongo/MongoCronJobQueue.java