Advanced Elasticsearch 7.0

REST client initialization

Create a RestClientBuilder instance by using the static builder() method of the RestClient class with a host environment. Then, call the build() method of the RestClientBuilder instance to build the RestClient instance. Our example is shown in the following code block:

public RestClient LowLevelRestClient() {    return RestClient.builder(new HttpHost("localhost", 9200, "http"))        .setDefaultHeaders(new Header[] {            new BasicHeader("accept","application/json"),             new BasicHeader("content-type","application/json")})        .setFailureListener(new RestClient.FailureListener() {            public void onFailure(Node node) {                logger.error("Low level Rest Client Failure on node " +                         node.getName());}            }).build(); }

RestClientBuilder provides a ...