| /* |
| * 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.solr.client.solrj.io; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.lang.invoke.MethodHandles; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import org.apache.http.client.HttpClient; |
| import org.apache.solr.client.solrj.SolrClient; |
| import org.apache.solr.client.solrj.impl.CloudSolrClient; |
| import org.apache.solr.client.solrj.impl.HttpClientUtil; |
| import org.apache.solr.client.solrj.impl.HttpSolrClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * The SolrClientCache caches SolrClients so they can be reused by different TupleStreams. |
| **/ |
| |
| public class SolrClientCache implements Serializable { |
| |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private final Map<String, SolrClient> solrClients = new HashMap<>(); |
| private final HttpClient httpClient; |
| //Set the floor for timeouts to 60 seconds. |
| //Timeouts cans be increased by setting the system properties defined below. |
| private static final int conTimeout = Math.max(Integer.parseInt(System.getProperty(HttpClientUtil.PROP_CONNECTION_TIMEOUT,"60000")), 60000); |
| private static final int socketTimeout = Math.max(Integer.parseInt(System.getProperty(HttpClientUtil.PROP_SO_TIMEOUT,"60000")), 60000); |
| |
| |
| public SolrClientCache() { |
| httpClient = null; |
| } |
| |
| public SolrClientCache(HttpClient httpClient) { |
| this.httpClient = httpClient; |
| } |
| |
| public synchronized CloudSolrClient getCloudSolrClient(String zkHost) { |
| |
| //Timeouts should never be lower then 60000 but they can be set higher |
| assert(conTimeout >= 60000); |
| assert(socketTimeout >= 60000); |
| |
| if(log.isDebugEnabled()) { |
| log.debug("SolrClientCache.conTimeout: {}", conTimeout); |
| log.debug("SolrClientCache.socketTimeout: {}", socketTimeout); |
| } |
| |
| Objects.requireNonNull(zkHost, "ZooKeeper host cannot be null!"); |
| CloudSolrClient client; |
| if (solrClients.containsKey(zkHost)) { |
| client = (CloudSolrClient) solrClients.get(zkHost); |
| } else { |
| final List<String> hosts = new ArrayList<String>(); |
| hosts.add(zkHost); |
| CloudSolrClient.Builder builder = new CloudSolrClient.Builder(hosts, Optional.empty()).withSocketTimeout(socketTimeout).withConnectionTimeout(conTimeout); |
| if (httpClient != null) { |
| builder = builder.withHttpClient(httpClient); |
| } |
| |
| client = builder.build(); |
| client.connect(); |
| solrClients.put(zkHost, client); |
| } |
| |
| return client; |
| } |
| |
| public synchronized HttpSolrClient getHttpSolrClient(String host) { |
| HttpSolrClient client; |
| if (solrClients.containsKey(host)) { |
| client = (HttpSolrClient) solrClients.get(host); |
| } else { |
| HttpSolrClient.Builder builder = new HttpSolrClient.Builder(host).withSocketTimeout(socketTimeout).withConnectionTimeout(conTimeout); |
| if (httpClient != null) { |
| builder = builder.withHttpClient(httpClient); |
| } |
| client = builder.build(); |
| solrClients.put(host, client); |
| } |
| return client; |
| } |
| |
| public synchronized void close() { |
| for(Map.Entry<String, SolrClient> entry : solrClients.entrySet()) { |
| try { |
| entry.getValue().close(); |
| } catch (IOException e) { |
| log.error("Error closing SolrClient for {}", entry.getKey(), e); |
| } |
| } |
| solrClients.clear(); |
| } |
| } |