Java tutorial
/* * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch licenses this file to you under * the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.elasticsearch.client.benchmark.rest; import org.apache.http.HttpEntity; import org.apache.http.HttpHeaders; import org.apache.http.HttpHost; import org.apache.http.HttpStatus; import org.apache.http.client.config.RequestConfig; import org.apache.http.conn.ConnectionKeepAliveStrategy; import org.apache.http.entity.ContentType; import org.apache.http.entity.StringEntity; import org.apache.http.impl.nio.client.HttpAsyncClientBuilder; import org.apache.http.message.BasicHeader; import org.apache.http.nio.entity.NStringEntity; import org.elasticsearch.ElasticsearchException; import org.elasticsearch.client.Response; import org.elasticsearch.client.RestClient; import org.elasticsearch.client.RestClientBuilder; import org.elasticsearch.client.benchmark.AbstractBenchmark; import org.elasticsearch.client.benchmark.ops.bulk.BulkRequestExecutor; import org.elasticsearch.client.benchmark.ops.search.SearchRequestExecutor; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.util.Collections; import java.util.List; import java.util.Locale; public final class RestClientBenchmark extends AbstractBenchmark<RestClient> { public static void main(String[] args) throws Exception { RestClientBenchmark b = new RestClientBenchmark(); b.run(args); } @Override protected RestClient client(String benchmarkTargetHost) { return RestClient.builder(new HttpHost(benchmarkTargetHost, 9200)) .setHttpClientConfigCallback(b -> b.setDefaultHeaders( Collections.singleton(new BasicHeader(HttpHeaders.ACCEPT_ENCODING, "gzip")))) .setRequestConfigCallback(b -> b.setContentCompressionEnabled(true)).build(); } @Override protected BulkRequestExecutor bulkRequestExecutor(RestClient client, String indexName, String typeName) { return new RestBulkRequestExecutor(client, indexName, typeName); } @Override protected SearchRequestExecutor searchRequestExecutor(RestClient client, String indexName) { return new RestSearchRequestExecutor(client, indexName); } private static final class RestBulkRequestExecutor implements BulkRequestExecutor { private final RestClient client; private final String actionMetaData; RestBulkRequestExecutor(RestClient client, String index, String type) { this.client = client; this.actionMetaData = String.format(Locale.ROOT, "{ \"index\" : { \"_index\" : \"%s\", \"_type\" : \"%s\" } }%n", index, type); } @Override public boolean bulkIndex(List<String> bulkData) { StringBuilder bulkRequestBody = new StringBuilder(); for (String bulkItem : bulkData) { bulkRequestBody.append(actionMetaData); bulkRequestBody.append(bulkItem); bulkRequestBody.append("\n"); } HttpEntity entity = new NStringEntity(bulkRequestBody.toString(), ContentType.APPLICATION_JSON); try { Response response = client.performRequest("POST", "/geonames/type/_noop_bulk", Collections.emptyMap(), entity); return response.getStatusLine().getStatusCode() == HttpStatus.SC_OK; } catch (Exception e) { throw new ElasticsearchException(e); } } } private static final class RestSearchRequestExecutor implements SearchRequestExecutor { private final RestClient client; private final String endpoint; private RestSearchRequestExecutor(RestClient client, String indexName) { this.client = client; this.endpoint = "/" + indexName + "/_noop_search"; } @Override public boolean search(String source) { HttpEntity searchBody = new NStringEntity(source, StandardCharsets.UTF_8); try { Response response = client.performRequest("GET", endpoint, Collections.emptyMap(), searchBody); return response.getStatusLine().getStatusCode() == HttpStatus.SC_OK; } catch (IOException e) { throw new ElasticsearchException(e); } } } }