// ...
// create client
ElasticsearchClient client = new ElasticsearchClient();

String startDateStr = "2018-10-01T00:00:00.000Z";
String endDateStr = "2019-03-15T00:00:00.000Z";

QueryBuilder query = QueryBuilders.matchQuery(<key>, <Id>);

SearchRequestBuilder searchBuilder = client.prepareSearch();

SearchResponse scrollResp = searchBuilder.setIndices(<index_name>).setTypes(<index_type_name>).setQuery(query)
			.setPostFilter(QueryBuilders.rangeQuery(TIMESTAMP).from(startDateStr).to(endDateStr))
			.setSize(MAX_BULK_SIZE).setScroll(KEEP_ALIVE_FIVE_MINUTE).execute().actionGet();

// ...