如何使用ES Java API创建新类型的索引

XContentBuilder mapping = XContentFactory.jsonBuilder()
    .startObject()
        .startObject("properties")
            .startObject("field1")
                .field("type", "text")
            .endObject()
            .startObject("field2")
                .field("type", "keyword")
            .endObject()
        .endObject()
    .endObject();

CreateIndexRequest request = new CreateIndexRequest("my_index")
    .mapping("my_type", mapping);

CreateIndexResponse response = client.indices().create(request, RequestOptions.DEFAULT);

Settings settings = Settings.builder()
    .put("index.number_of_shards", 5)
    .put("index.number_of_replicas", 1)
    .build();

CreateIndexRequest request = new CreateIndexRequest("my_index")
    .mapping("my_type", mapping)
    .settings(settings);

CreateIndexResponse response = client.indices().create(request, RequestOptions.DEFAULT);