ElasticSearch批量导入

/**
 * 批量导入数据
 * @param index
 * @param entityList
 */
public <T> Boolean batchInsert(String index, List<T> entityList) {
    BulkRequest request = new BulkRequest();
    //预处理请求
    for (T t : entityList) {
        Map<String, Object> jsonMap = BeanUtil.beanToMap(t);
        request.add(new IndexRequest(index).type("_doc").source(jsonMap));
    }
    Boolean hasFailures = null;
    try {
        BulkResponse response = client.bulk(request, ElasticConfig.COMMON_OPTIONS);
        hasFailures = response.hasFailures();
        if (hasFailures) {
            for (BulkItemResponse item : response.getItems()) {
                System.out.println(item.getFailureMessage());
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return hasFailures;
}