do not need

hexagonal-example/src/main/java/com/baeldung/hexagonalPattern/adapters/LibraryRepoImpl.java

@@ -1,40 +0,0 @@
-package com.baeldung.hexagonalPattern.adapters;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-import org.springframework.stereotype.Repository;
-
-import com.baeldung.hexagonalPattern.core.domain.Book;
-import com.baeldung.hexagonalPattern.ports.LibraryRepo;
-
-@Repository
-public class LibraryRepoImpl implements LibraryRepo {
-    // This class is the actual implementation of the out bound port/adapter.
-
-    private HashMap<String, Book> books = new HashMap<String, Book>();
-
-    @Override
-    public int insertBook(Book book) {
-	// Mock Database call here.
-	books.put("mock", new Book("mock", "mock", "mock"));
-	return 1;
-    }
-
-    @Override
-    public Book searchBook(String name) {
-	// TODO Auto-generated method stub
-	Book b = new Book();
-	// Some code for retrieval of book from db
-	return b;
-    }
-
-    @Override
-    public List<Book> getAllBooks() {
-	// Fetch all books from db
-	return books.values().stream().collect(Collectors.toList());
-    }
-
-}