| /**************************************************************** |
| * Licensed to the Apache Software Foundation (ASF) under one * |
| * or more contributor license agreements. See the NOTICE file * |
| * distributed with this work for additional information * |
| * regarding copyright ownership. The ASF 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.apache.james.backends.opensearch; |
| |
| import java.io.IOException; |
| import java.util.function.Consumer; |
| |
| import org.opensearch.action.ActionListener; |
| import org.opensearch.action.admin.cluster.health.ClusterHealthRequest; |
| import org.opensearch.action.admin.cluster.health.ClusterHealthResponse; |
| import org.opensearch.action.admin.cluster.storedscripts.DeleteStoredScriptRequest; |
| import org.opensearch.action.admin.cluster.storedscripts.GetStoredScriptRequest; |
| import org.opensearch.action.admin.cluster.storedscripts.GetStoredScriptResponse; |
| import org.opensearch.action.bulk.BulkRequest; |
| import org.opensearch.action.bulk.BulkResponse; |
| import org.opensearch.action.delete.DeleteRequest; |
| import org.opensearch.action.delete.DeleteResponse; |
| import org.opensearch.action.explain.ExplainRequest; |
| import org.opensearch.action.explain.ExplainResponse; |
| import org.opensearch.action.fieldcaps.FieldCapabilitiesRequest; |
| import org.opensearch.action.fieldcaps.FieldCapabilitiesResponse; |
| import org.opensearch.action.get.GetRequest; |
| import org.opensearch.action.get.GetResponse; |
| import org.opensearch.action.index.IndexRequest; |
| import org.opensearch.action.index.IndexResponse; |
| import org.opensearch.action.search.ClearScrollRequest; |
| import org.opensearch.action.search.ClearScrollResponse; |
| import org.opensearch.action.search.MultiSearchRequest; |
| import org.opensearch.action.search.MultiSearchResponse; |
| import org.opensearch.action.search.SearchRequest; |
| import org.opensearch.action.search.SearchResponse; |
| import org.opensearch.action.search.SearchScrollRequest; |
| import org.opensearch.action.support.master.AcknowledgedResponse; |
| import org.opensearch.client.IndicesClient; |
| import org.opensearch.client.RequestOptions; |
| import org.opensearch.client.RestClient; |
| import org.opensearch.client.RestHighLevelClient; |
| import org.opensearch.client.core.MainResponse; |
| import org.opensearch.index.rankeval.RankEvalRequest; |
| import org.opensearch.index.rankeval.RankEvalResponse; |
| import org.opensearch.index.reindex.BulkByScrollResponse; |
| import org.opensearch.index.reindex.DeleteByQueryRequest; |
| import org.opensearch.script.mustache.MultiSearchTemplateRequest; |
| import org.opensearch.script.mustache.MultiSearchTemplateResponse; |
| import org.opensearch.script.mustache.SearchTemplateRequest; |
| import org.opensearch.script.mustache.SearchTemplateResponse; |
| |
| import reactor.core.publisher.Mono; |
| import reactor.core.publisher.MonoSink; |
| import reactor.core.scheduler.Schedulers; |
| |
| public class ReactorElasticSearchClient implements AutoCloseable { |
| private final RestHighLevelClient client; |
| |
| public ReactorElasticSearchClient(RestHighLevelClient client) { |
| this.client = client; |
| } |
| |
| public Mono<BulkResponse> bulk(BulkRequest bulkRequest, RequestOptions options) { |
| return toReactor(listener -> client.bulkAsync(bulkRequest, options, listener)); |
| } |
| |
| public Mono<ClearScrollResponse> clearScroll(ClearScrollRequest clearScrollRequest, RequestOptions options) { |
| return toReactor(listener -> client.clearScrollAsync(clearScrollRequest, options, listener)); |
| } |
| |
| public DeleteResponse delete(DeleteRequest deleteRequest, RequestOptions options) throws IOException { |
| return client.delete(deleteRequest, options); |
| } |
| |
| public Mono<BulkByScrollResponse> deleteByQuery(DeleteByQueryRequest deleteRequest, RequestOptions options) { |
| return toReactor(listener -> client.deleteByQueryAsync(deleteRequest, options, listener)); |
| } |
| |
| public Mono<AcknowledgedResponse> deleteScript(DeleteStoredScriptRequest request, RequestOptions options) { |
| return toReactor(listener -> client.deleteScriptAsync(request, options, listener)); |
| } |
| |
| public Mono<ExplainResponse> explain(ExplainRequest explainRequest, RequestOptions options) { |
| return toReactor(listener -> client.explainAsync(explainRequest, options, listener)); |
| } |
| |
| public Mono<FieldCapabilitiesResponse> fieldCaps(FieldCapabilitiesRequest fieldCapabilitiesRequest, RequestOptions options) { |
| return toReactor(listener -> client.fieldCapsAsync(fieldCapabilitiesRequest, options, listener)); |
| } |
| |
| public RestClient getLowLevelClient() { |
| return client.getLowLevelClient(); |
| } |
| |
| public Mono<GetStoredScriptResponse> getScript(GetStoredScriptRequest request, RequestOptions options) { |
| return toReactor(listener -> client.getScriptAsync(request, options, listener)); |
| } |
| |
| public Mono<IndexResponse> index(IndexRequest indexRequest, RequestOptions options) { |
| return toReactor(listener -> client.indexAsync(indexRequest, options, listener)); |
| } |
| |
| public IndicesClient indices() { |
| return client.indices(); |
| } |
| |
| public MainResponse info(RequestOptions options) throws IOException { |
| return client.info(options); |
| } |
| |
| public Mono<MultiSearchResponse> msearch(MultiSearchRequest multiSearchRequest, RequestOptions options) { |
| return toReactor(listener -> client.msearchAsync(multiSearchRequest, options, listener)); |
| } |
| |
| public Mono<MultiSearchTemplateResponse> msearchTemplate(MultiSearchTemplateRequest multiSearchTemplateRequest, RequestOptions options) { |
| return toReactor(listener -> client.msearchTemplateAsync(multiSearchTemplateRequest, options, listener)); |
| } |
| |
| public Mono<RankEvalResponse> rankEval(RankEvalRequest rankEvalRequest, RequestOptions options) { |
| return toReactor(listener -> client.rankEvalAsync(rankEvalRequest, options, listener)); |
| } |
| |
| public Mono<SearchResponse> scroll(SearchScrollRequest searchScrollRequest, RequestOptions options) { |
| return toReactor(listener -> client.scrollAsync(searchScrollRequest, options, listener)); |
| } |
| |
| public Mono<SearchResponse> search(SearchRequest searchRequest, RequestOptions options) { |
| return toReactor(listener -> client.searchAsync(searchRequest, options, listener)); |
| } |
| |
| public Mono<ClusterHealthResponse> health(ClusterHealthRequest request) { |
| return toReactor(listener -> client.cluster() |
| .healthAsync(request, RequestOptions.DEFAULT, listener)); |
| } |
| |
| public Mono<SearchTemplateResponse> searchTemplate(SearchTemplateRequest searchTemplateRequest, RequestOptions options) { |
| return toReactor(listener -> client.searchTemplateAsync(searchTemplateRequest, options, listener)); |
| } |
| |
| public Mono<GetResponse> get(GetRequest getRequest, RequestOptions options) { |
| return toReactor(listener -> client.getAsync(getRequest, options, listener)); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| client.close(); |
| } |
| |
| private static <T> Mono<T> toReactor(Consumer<ActionListener<T>> async) { |
| return Mono.<T>create(sink -> async.accept(getListener(sink))) |
| .publishOn(Schedulers.boundedElastic()); |
| } |
| |
| private static <T> ActionListener<T> getListener(MonoSink<T> sink) { |
| return new ActionListener<T>() { |
| @Override |
| public void onResponse(T t) { |
| sink.success(t); |
| } |
| |
| @Override |
| public void onFailure(Exception e) { |
| sink.error(e); |
| } |
| }; |
| } |
| } |