public HashMap<String, LGJob> getByJobIds(JSONArray jobIds) { Query<LGJob> query = createQuery().field("_id").hasAnyOf(jobIds); HashMap<String, LGJob> jobs = new HashMap<>(); Iterator queryIterator = query.iterator(); while(queryIterator.hasNext()) { LGJob job = (LGJob) queryIterator.next(); String jobId = job.getJobId(); jobs.put(jobId, job); } return jobs; }