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package com.tanpu.community.service.base;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.MatchQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.elasticsearch.client.*;
import javax.annotation.PostConstruct;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@Service
public class ESHelper {
@Autowired
private RestHighLevelClient client;
public void insert(String index, String type, String id, String json) {
try {
IndexRequest req = new IndexRequest(index);
if (StringUtils.isNotBlank(id)) {
req.id(type + "_" + id);
}
req.source(json, XContentType.JSON);
IndexResponse resp = client.index(req, RequestOptions.DEFAULT);
validStatus(resp.status(), RestStatus.CREATED, RestStatus.OK);
} catch (IOException e) {
log.error("ES Helper error:{}", ExceptionUtils.getStackTrace(e));
}
}
public void insert(String index, String type, String id, Map<String, Object> data) {
try {
IndexRequest req = new IndexRequest(index);
if (StringUtils.isNotBlank(id)) {
req.id(type + "_" + id);
}
req.source(data);
IndexResponse resp = client.index(req, RequestOptions.DEFAULT);
validStatus(resp.status(), RestStatus.OK);
} catch (IOException e) {
log.error("ES Helper error:{}", ExceptionUtils.getStackTrace(e));
}
}
public SearchHit[] selectLike(String index, SearchSourceBuilder builder) {
try {
SearchRequest req = new SearchRequest(index);
req.source(builder);
SearchResponse resp = client.search(req, RequestOptions.DEFAULT);
validStatus(resp.status(), RestStatus.OK);
return resp.getHits().getHits();
} catch (IOException e) {
log.error("ES Helper error:{}", ExceptionUtils.getStackTrace(e));
}
return new SearchHit[]{};
}
private void validStatus(RestStatus status, RestStatus... expect) {
for (RestStatus ex : expect) {
if (ex == status) return;
}
log.error("ES Helper fail! status:{}", status.toString());
throw new RuntimeException("ES fail");
}
public static void main(String[] args) {
CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("1", "2"));
RestClientBuilder builder = RestClient.builder(new HttpHost("42.194.224.208", 9200))
.setHttpClientConfigCallback(new RestClientBuilder.HttpClientConfigCallback() {
@Override
public HttpAsyncClientBuilder customizeHttpClient(HttpAsyncClientBuilder httpClientBuilder) {
return httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
}
});
RestHighLevelClient highClient = new RestHighLevelClient(builder);
ESHelper helper = new ESHelper();
helper.client = highClient;
System.out.println("insert");
Map<String, Object> map = new HashMap<>();
map.put("name", "太阳44444444444444");
map.put("context", "这里有一个小太阳444444444");
// helper.insert("test_index", "", "2", map);
SearchSourceBuilder search = new SearchSourceBuilder();
BoolQueryBuilder boolQb = QueryBuilders.boolQuery();
MatchQueryBuilder matchQb = QueryBuilders.matchQuery("textContent", "小星星");
boolQb.must(matchQb);
// String[] includes = new String[]{"id"};
// String[] excludes = new String[]{};
search.query(boolQb).from(0).size(50);
SearchHit[] hits = helper.selectLike("theme", search);
System.out.println(hits.length);
for (SearchHit hit : hits) {
System.out.println(hit.toString());
System.out.println(hit.getFields());
}
System.out.println("done");
}
}