end point created with repository test case

src/main/java/com/altimetrik/ee/demo/bean/Stocks.java

+package com.altimetrik.ee.demo.bean;
+
+import java.util.Date;
+
+import java.util.Objects;
+import javax.persistence.*;
+
+@Entity
+@Table(name = "stocks")
+public class Stocks {
+
+  @Id
+  @Column(name = "stockQuote")
+  String stockQuote;
+
+  @Column(name = "companyName")
+  String companyName;
+
+  @Column(name = "date")
+  Date date;
+
+  @Column(name = "price")
+  Double price;
+
+  @Column(name = "currency")
+  String currency;
+
+  public Stocks(String stockQuote, String companyName, Date date, Double price,
+      String currency) {
+    this.stockQuote = stockQuote;
+    this.companyName = companyName;
+    this.date = date;
+    this.price = price;
+    this.currency = currency;
+  }
+
+  public Stocks() {
+  }
+
+  public String getStockQuote() {
+    return stockQuote;
+  }
+
+  public String getCompanyName() {
+    return companyName;
+  }
+
+  public Date getDate() {
+    return date;
+  }
+
+  public Double getPrice() {
+    return price;
+  }
+
+  public String getCurrency() {
+    return currency;
+  }
+
+  public void setStockQuote(String stockQuote) {
+    this.stockQuote = stockQuote;
+  }
+
+  public void setCompanyName(String companyName) {
+    this.companyName = companyName;
+  }
+
+  public void setDate(Date date) {
+    this.date = date;
+  }
+
+  public void setPrice(Double price) {
+    this.price = price;
+  }
+
+  public void setCurrency(String currency) {
+    this.currency = currency;
+  }
+
+  @Override
+  public String toString() {
+    return "Stocks{" +
+        "stockQuote='" + stockQuote + '\'' +
+        ", companyName='" + companyName + '\'' +
+        ", date=" + date +
+        ", price=" + price +
+        ", currency='" + currency + '\'' +
+        '}';
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    Stocks stocks = (Stocks) o;
+    return Objects.equals(stockQuote, stocks.stockQuote) && Objects.equals(
+        companyName, stocks.companyName) && Objects.equals(date, stocks.date)
+        && Objects.equals(price, stocks.price) && Objects.equals(currency,
+        stocks.currency);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(stockQuote, companyName, date, price, currency);
+  }
+}

src/main/java/com/altimetrik/ee/demo/controller/StocksController.java

+package com.altimetrik.ee.demo.controller;
+
+
+import com.altimetrik.ee.demo.bean.Stocks;
+import com.altimetrik.ee.demo.service.StocksService;
+import java.util.ArrayList;
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/stocks")
+public class StocksController {
+
+  @Autowired
+  StocksService stocksService;
+
+  @GetMapping(value = "/stockQuote", produces = "application/json")
+  public ResponseEntity<List<Stocks>>
+  getSpecificStocks(@RequestParam(value="symbols", required = false) List<String> symbols) {
+    try {
+      List<Stocks> stocksList = new ArrayList<Stocks>();
+      if (symbols == null)
+        stocksService.getStocks().forEach(stocksList::add);
+      else if (symbols.size()<=10) {
+        stocksService.getStocksByIds(symbols).forEach(stocksList::add);
+      }
+      else
+        return new ResponseEntity<>(HttpStatus.PAYLOAD_TOO_LARGE);
+      if (stocksList.isEmpty()) {
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+      }
+      return new ResponseEntity<>(stocksList, HttpStatus.OK);
+    } catch (Exception e) {
+      return new ResponseEntity<>(null, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+  }
+}

src/main/java/com/altimetrik/ee/demo/repository/StocksRepository.java

+package com.altimetrik.ee.demo.repository;
+
+import com.altimetrik.ee.demo.bean.Stocks;
+import java.util.List;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+public interface StocksRepository extends JpaRepository<Stocks, String> {
+
+  String QUERY = "SELECT * FROM stocks  WHERE stockQuote IN (?1)";
+  @Query(value = QUERY, nativeQuery = true)
+  List<Stocks> findByStockQuotes(List<String> ids);
+}

src/main/java/com/altimetrik/ee/demo/service/StocksService.java

+package com.altimetrik.ee.demo.service;
+
+import com.altimetrik.ee.demo.bean.Stocks;
+import com.altimetrik.ee.demo.repository.StocksRepository;
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class StocksService {
+
+  @Autowired
+  private StocksRepository repository;
+
+  public List<Stocks> getStocksByIds(List<String> ids) {
+    return repository.findByStockQuotes(ids);
+  }
+
+  public List<Stocks> getStocks() {
+    return repository.findAll();
+  }
+}

src/test/java/com/altimetrik/ee/demo/tests/StocksJPATest.java

+package com.altimetrik.ee.demo.tests;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.altimetrik.ee.demo.bean.Stocks;
+import com.altimetrik.ee.demo.repository.StocksRepository;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@DataJpaTest
+public class StocksJPATest {
+
+  @Autowired
+  private StocksRepository stocksRepository;
+  @Test
+  public void shouldCreateNewStock() throws ParseException {
+    String sDate1="31/12/1998";
+    Date date1=new SimpleDateFormat("dd/MM/yyyy").parse(sDate1);
+    Stocks s1 = new Stocks("HCL-1", "HCL", date1, 420.0, "INR");
+    stocksRepository.save(s1);
+  }
+
+  @Test
+  public void shouldGetStocksByName() throws ParseException {
+    String sDate1="31/12/1998";
+    Date date1=new SimpleDateFormat("dd/MM/yyyy").parse(sDate1);
+    Stocks s1 = new Stocks("HCL-1", "HCL", date1, 420.0, "INR");
+    Stocks s2 = new Stocks("HCL-2", "HCL", date1, 520.0, "USD");
+    Stocks s3 = new Stocks("HCL-3", "HCL", date1, 620.0, "JNY");
+    Stocks s4 = new Stocks("HCL-4", "HCL", date1, 720.0, "INR");
+
+    List<Stocks> list  = new ArrayList<>();
+    list.add(s1);
+    list.add(s2);
+    list.add(s3);
+    list.add(s4);
+    stocksRepository.saveAll(list);
+
+    List<String> queries = new ArrayList<>();
+    queries.add("HCL-1");
+    queries.add("HCL-2");
+    queries.add("HCL-3");
+    Iterable<Stocks> users = stocksRepository.findByStockQuotes(queries);
+    users.forEach(e -> System.out.println(e.toString()));
+    assertThat(users).hasSize(3);
+  }
+}