org.apache.solr.client.solrj.io.SolrClientCache Maven / Gradle / Ivy
/*
* 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.HashMap;
import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.impl.CloudSolrClient;
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 solrClients = new HashMap<>();
public synchronized CloudSolrClient getCloudSolrClient(String zkHost) {
CloudSolrClient client;
if (solrClients.containsKey(zkHost)) {
client = (CloudSolrClient) solrClients.get(zkHost);
} else {
client = new CloudSolrClient.Builder()
.withZkHost(zkHost)
.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 {
client = new HttpSolrClient.Builder(host)
.build();
solrClients.put(host, client);
}
return client;
}
public synchronized void close() {
for(Map.Entry entry : solrClients.entrySet()) {
try {
entry.getValue().close();
} catch (IOException e) {
log.error("Error closing SolrClient for " + entry.getKey(), e);
}
}
solrClients.clear();
}
}