6.分布式搜索elasticsearch java API ------批量添加删除索引-优快云博客

本文链接：https://blog.youkuaiyun.com/wbj0110/article/details/84490004

本文介绍如何使用Java API进行Elasticsearch的批量索引和删除操作，通过构造BulkRequestBuilder并添加多个index/delete请求来提高效率。

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elasticsearch支持批量添加或删除索引文档，java api里面就是通过构造BulkRequestBuilder，然后把批量的index/delete请求添加到BulkRequestBuilder里面，执行BulkRequestBuilder。下面是个例子：

[java] view plaincopy
import static org.elasticsearch.common.xcontent.XContentFactory.*;   
           
        BulkRequestBuilder bulkRequest = client.prepareBulk();   
           
        bulkRequest.add(client.prepareIndex("twitter", "tweet", "1")   
                .setSource(jsonBuilder()   
                            .startObject()   
                                .field("user", "kimchy")   
                                .field("postDate", new Date())   
                                .field("message", "trying out Elastic Search")   
                            .endObject()   
                          )   
                );   
           
        bulkRequest.add(client.prepareIndex("twitter", "tweet", "2")   
                .setSource(jsonBuilder()   
                            .startObject()   
                                .field("user", "kimchy")   
                                .field("postDate", new Date())   
                                .field("message", "another post")   
                            .endObject()   
                          )   
                );   
                   
        BulkResponse bulkResponse = bulkRequest.execute().actionGet();   
        if (bulkResponse.hasFailures()) {   
            //处理错误   
        }  

参考资料：http://www.elasticsearch.org/guide/reference/java-api/bulk.html