DemoApplication.java

package com.example.demo;

import com.microsoft.azure.documentdb.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@SpringBootApplication
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }

    @RestController
    public class MyController {
        @Autowired
        CosmosService cosmosService;

        @GetMapping("/hello")
        public String hello() throws Exception {
            cosmosService.connectCosmos();
            return "OK";
        }
    }

    @Service
    public class CosmosService {
        public void connectCosmos() throws Exception {
            DocumentClient client = new DocumentClient("https://somename-cosmosdb.documents.azure.com:443/", "somepassword", new ConnectionPolicy(), ConsistencyLevel.Session);
            client.getDatabaseAccount();

            FeedOptions options = new FeedOptions();
            options.setEnableCrossPartitionQuery(true);
            List<Document> result = client
                    .queryDocuments(
                            "dbs/" + "samples" + "/colls/" + "orders",
                            "SELECT * FROM c",
                            options)
                    .getQueryIterable()
                    .toList();
            result
                    .stream()
                    .forEach(System.out::println);
        }
    }
}