105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
package org.nl;
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import org.apache.http.HttpHost;
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import org.elasticsearch.action.get.GetRequest;
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import org.elasticsearch.action.get.GetResponse;
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import org.elasticsearch.action.search.SearchRequest;
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import org.elasticsearch.action.search.SearchResponse;
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import org.elasticsearch.client.RequestOptions;
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import org.elasticsearch.client.RestClient;
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import org.elasticsearch.client.RestHighLevelClient;
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import org.elasticsearch.common.unit.TimeValue;
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import org.elasticsearch.index.query.BoolQueryBuilder;
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import org.elasticsearch.index.query.MatchQueryBuilder;
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import org.elasticsearch.index.query.QueryBuilders;
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import org.elasticsearch.index.query.RangeQueryBuilder;
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import org.elasticsearch.search.builder.SearchSourceBuilder;
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import java.io.IOException;
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public class ElasticSearchTest {
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public final String ES_URL = "127.0.0.1";
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public final int ES_PORT = 9200;
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public static RestHighLevelClient getClientConnection() {
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RestHighLevelClient client = new RestHighLevelClient(
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RestClient.builder(
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new HttpHost("localhost", 9200, "http")
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)
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);
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return client;
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}
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public static void searchById() throws IOException {
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RestHighLevelClient client = getClientConnection();
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GetRequest getRequest = null;//new GetRequest("gateway_log", "DceJqGwBqlIig5BB05Z-");
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GetResponse getResponse = client.get(getRequest, RequestOptions.DEFAULT);
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System.out.println(getResponse.getSourceAsString());
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client.close();
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}
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/**
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* https://www.elastic.co/guide/en/elasticsearch/client/java-rest/current/java-rest-high-search.html
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*
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* @throws IOException
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*/
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public static void paginationSearch() throws IOException {
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SearchRequest searchRequest = new SearchRequest();
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SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
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sourceBuilder.query(QueryBuilders.matchPhraseQuery("eventType", "WAN_ONOFF"));
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sourceBuilder.from(0);
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sourceBuilder.size(1);
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sourceBuilder.timeout(new TimeValue(1000));
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sourceBuilder.trackTotalHits(true);
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searchRequest.source(sourceBuilder);
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RestHighLevelClient client = getClientConnection();
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SearchResponse response = client.search(new SearchRequest("gateway_log")
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.source(sourceBuilder), RequestOptions.DEFAULT);
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System.out.println(response.toString());
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client.close();
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}
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public static void paginationSearch2() throws IOException {
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RestHighLevelClient client = getClientConnection();
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BoolQueryBuilder boolQuery = new BoolQueryBuilder();
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RangeQueryBuilder rangeQuery= QueryBuilders.rangeQuery("count").gte(8);
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boolQuery.filter(rangeQuery);
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MatchQueryBuilder matchQuery = new MatchQueryBuilder("eventType", "WAN_ONOFF");
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boolQuery.must(matchQuery);
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SearchResponse response = client.search(new SearchRequest("gateway_log")
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.source(new SearchSourceBuilder()
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.query(boolQuery)
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.from(0)
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.size(2)
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.trackTotalHits(true)
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), RequestOptions.DEFAULT);
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System.out.println(response.getHits().getTotalHits());
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System.out.println(response.toString());
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client.close();
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}
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public static void main(String[] args) throws IOException {
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//searchById();
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//paginationSearch();
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paginationSearch2();
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}
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}
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