elasticsearch percolate java api示例

import org.elasticsearch.action.percolate.PercolateRequestBuilder;
import org.elasticsearch.action.percolate.PercolateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.transport.client.PreBuiltTransportClient;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class PercolateExample {
    public static void main(String[] args) {
        try {
            // 创建客户端
            Settings settings = Settings.builder()
                    .put("cluster.name", "your_cluster_name")
                    .build();
            Client client = new PreBuiltTransportClient(settings)
                    .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("your_host"), 9300));

            // 创建Percolate请求
            PercolateRequestBuilder percolateRequestBuilder = new PercolateRequestBuilder(client, "your_index", "your_type");
            percolateRequestBuilder.setSource(XContentFactory.jsonBuilder()
                    .startObject()
                    .field("doc", XContentFactory.jsonBuilder()
                            .startObject()
                            .field("field_name", "field_value")
                            .endObject())
                    .endObject());

            // 执行Percolate查询
            PercolateResponse response = percolateRequestBuilder.execute().actionGet();

            // 处理查询结果
            String[] matches = response.getMatches();
            for (String match : matches) {
                System.out.println("Matched query: " + match);
            }

            // 关闭客户端连接
            client.close();
        } catch (UnknownHostException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}