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87 lines
4.7 KiB
87 lines
4.7 KiB
import org.apache.http.HttpHost;
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import org.apache.http.auth.AuthScope;
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import org.apache.http.auth.UsernamePasswordCredentials;
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import org.apache.http.client.CredentialsProvider;
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import org.apache.http.impl.client.BasicCredentialsProvider;
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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.rest.RestStatus;
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import org.elasticsearch.search.aggregations.AggregationBuilders;
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import org.elasticsearch.search.aggregations.Aggregations;
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import org.elasticsearch.search.aggregations.metrics.ParsedSum;
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import org.elasticsearch.search.aggregations.metrics.SumAggregationBuilder;
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import org.elasticsearch.search.builder.SearchSourceBuilder;
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import java.io.IOException;
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import java.math.BigDecimal;
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public class DemoTes {
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public static void main(String[] args) throws IOException {
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RestHighLevelClient restHighLevelClient = new RestHighLevelClient(RestClient
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.builder(new HttpHost("120.79.137.137", 9200, "http"))
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.setHttpClientConfigCallback(httpAsyncClientBuilder -> {
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CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
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credentialsProvider.setCredentials(AuthScope.ANY,
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new UsernamePasswordCredentials("elastic", "qnol26215"));
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return httpAsyncClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
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})
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.setRequestConfigCallback(requestConfigBuilder -> {
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// 设置es连接超时时间
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requestConfigBuilder.setConnectTimeout(3000);
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return requestConfigBuilder;
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}));
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try {
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// 构建查询条件（注意：termQuery 支持多种格式查询，如 boolean、int、double、string 等，这里使用的是 string 的查询）
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/*SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
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searchSourceBuilder.query(QueryBuilders.termQuery("machineIotMac", "102104060102"));
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searchSourceBuilder.sort("reportTime", SortOrder.DESC);
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searchSourceBuilder.size(1);
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// 创建查询请求对象，将查询对象配置到其中
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SearchRequest searchRequest = new SearchRequest("machine_iot_data_received_event_202208",
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"machine_iot_data_received_event_202207", "machine_iot_data_received_event_197001");
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searchRequest.source(searchSourceBuilder);
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// 执行查询，然后处理响应结果
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SearchResponse searchResponse = restHighLevelClient.search(searchRequest, RequestOptions.DEFAULT);
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// 根据状态和数据条数验证是否返回了数据
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if (RestStatus.OK.equals(searchResponse.status()) && searchResponse.getHits().getTotalHits().value > 0) {
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SearchHits hits = searchResponse.getHits();
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SearchHit reqHit = hits.getHits()[0];
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MachineIotDataReceivedEvent receivedEvent = JSONUtil
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.toBean(reqHit.getSourceAsString(), MachineIotDataReceivedEvent.class);
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System.out.println(receivedEvent);
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}*/
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SearchSourceBuilder searchSourceBuilder1 = new SearchSourceBuilder();
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searchSourceBuilder1.size(0);
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SumAggregationBuilder sumCurrStoppingDuration = AggregationBuilders.sum("sum_currStoppingDuration").field("currStoppingDuration");
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SumAggregationBuilder sumCurrWaitingDuration = AggregationBuilders.sum("sum_currWaitingDuration").field("currWaitingDuration");
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searchSourceBuilder1.aggregation(sumCurrStoppingDuration);
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searchSourceBuilder1.aggregation(sumCurrWaitingDuration);
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SearchRequest request1 = new SearchRequest("machine_iot_data_received_event_*");
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request1.source(searchSourceBuilder1);
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// 执行请求
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SearchResponse response1 = restHighLevelClient.search(request1, RequestOptions.DEFAULT);
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Aggregations aggregations1 = response1.getAggregations();
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if (RestStatus.OK.equals(response1.status()) || aggregations1 != null) {
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ParsedSum agg = aggregations1.get("sum_currStoppingDuration");
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ParsedSum agg1 = aggregations1.get("sum_currWaitingDuration");
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double value = agg.getValue();
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BigDecimal bigDecimal = new BigDecimal(value);
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System.out.println(bigDecimal.longValueExact());
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}
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} catch (IOException e) {
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}
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restHighLevelClient.close();
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}
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}
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