Refine client builder

Author: swallez

java-client/src/main/java/co/elastic/clients/elasticsearch/ElasticsearchAsyncClient.java

@@ -20,6 +20,7 @@
 package co.elastic.clients.elasticsearch;
 
 import co.elastic.clients.ApiClient;
+import co.elastic.clients.elasticsearch._helpers.builders.ElasticsearchClientBuilderBase;
 import co.elastic.clients.elasticsearch._types.ErrorResponse;
 import co.elastic.clients.elasticsearch.async_search.ElasticsearchAsyncSearchAsyncClient;
 import co.elastic.clients.elasticsearch.autoscaling.ElasticsearchAutoscalingAsyncClient;
@@ -178,6 +179,17 @@
  * Client for the namespace.
  */
 public class ElasticsearchAsyncClient extends ApiClient<ElasticsearchTransport, ElasticsearchAsyncClient> {
+	public static class Builder extends ElasticsearchClientBuilderBase<ElasticsearchAsyncClient> {
+		@Override
+		public ElasticsearchAsyncClient build() {
+			return ElasticsearchClientBuilderBase.buildAsync(this);
+		}
+	}
+
+	public static ElasticsearchAsyncClient of(
+			Function<ElasticsearchClientBuilderBase, ElasticsearchClientBuilderBase> fn) {
+		return ElasticsearchClientBuilderBase.buildAsync(fn.apply(new ElasticsearchAsyncClient.Builder()));
+	}
 
 	public ElasticsearchAsyncClient(ElasticsearchTransport transport) {
 		super(transport, null);

java-client/src/main/java/co/elastic/clients/elasticsearch/ElasticsearchClient.java

@@ -20,6 +20,7 @@
 package co.elastic.clients.elasticsearch;
 
 import co.elastic.clients.ApiClient;
+import co.elastic.clients.elasticsearch._helpers.builders.ElasticsearchClientBuilderBase;
 import co.elastic.clients.elasticsearch._types.ElasticsearchException;
 import co.elastic.clients.elasticsearch._types.ErrorResponse;
 import co.elastic.clients.elasticsearch.async_search.ElasticsearchAsyncSearchClient;
@@ -179,6 +180,16 @@
  * Client for the namespace.
  */
 public class ElasticsearchClient extends ApiClient<ElasticsearchTransport, ElasticsearchClient> {
+	public static class Builder extends ElasticsearchClientBuilderBase<ElasticsearchClient> {
+		@Override
+		public ElasticsearchClient build() {
+			return ElasticsearchClientBuilderBase.buildSync(this);
+		}
+	}
+
+	public static ElasticsearchClient of(Function<ElasticsearchClientBuilderBase, ElasticsearchClientBuilderBase> fn) {
+		return ElasticsearchClientBuilderBase.buildSync(fn.apply(new ElasticsearchClient.Builder()));
+	}
 
 	public ElasticsearchClient(ElasticsearchTransport transport) {
 		super(transport, null);