spring-data-elasticsearch RestClientFactoryBean 源码
spring-data-elasticsearch RestClientFactoryBean 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/client/erhlc/RestClientFactoryBean.java
/*
* Copyright 2018-2022 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.data.elasticsearch.client.erhlc;
import java.net.URL;
import java.util.ArrayList;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpHost;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.FactoryBeanNotInitializedException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* RestClientFactoryBean
*
* @author Don Wellington
* @author Peter-Josef Meisch
* @deprecated since 5.0
*/
@Deprecated
public class RestClientFactoryBean implements FactoryBean<RestHighLevelClient>, InitializingBean, DisposableBean {
private static final Log LOGGER = LogFactory.getLog(RestClientFactoryBean.class);
private @Nullable RestHighLevelClient client;
private String hosts = "http://localhost:9200";
static final String COMMA = ",";
@Override
public void destroy() {
try {
LOGGER.info("Closing elasticSearch client");
if (client != null) {
client.close();
}
} catch (final Exception e) {
LOGGER.error("Error closing ElasticSearch client: ", e);
}
}
@Override
public void afterPropertiesSet() throws Exception {
buildClient();
}
@Override
public RestHighLevelClient getObject() {
if (client == null) {
throw new FactoryBeanNotInitializedException();
}
return client;
}
@Override
public Class<?> getObjectType() {
return RestHighLevelClient.class;
}
@Override
public boolean isSingleton() {
return false;
}
protected void buildClient() throws Exception {
Assert.hasText(hosts, "[Assertion Failed] At least one host must be set.");
ArrayList<HttpHost> httpHosts = new ArrayList<>();
for (String host : hosts.split(COMMA)) {
URL hostUrl = new URL(host);
httpHosts.add(new HttpHost(hostUrl.getHost(), hostUrl.getPort(), hostUrl.getProtocol()));
}
client = new RestHighLevelClient(RestClient.builder(httpHosts.toArray(new HttpHost[httpHosts.size()])));
}
public void setHosts(String hosts) {
this.hosts = hosts;
}
public String getHosts() {
return this.hosts;
}
}
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