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Original file line number | Diff line number | Diff line change |
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@@ -1,14 +1,17 @@ | ||
package mate.academy.dao; | ||
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import mate.academy.model.Book; | ||
import java.util.List; | ||
import java.util.Optional; | ||
import mate.academy.model.Book; | ||
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public interface BookDao { | ||
void createTable(); | ||
Book save(Book book); | ||
Book create(Book book); | ||
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Optional<Book> findById(Long id); | ||
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List<Book> findAll(); | ||
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Book update(Book book); | ||
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boolean deleteById(Long id); | ||
} |
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18 changes: 18 additions & 0 deletions
18
src/main/java/mate/academy/model/DataProcessingException.java
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,18 @@ | ||
package mate.academy.model; | ||
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public class DataProcessingException extends RuntimeException { | ||
public DataProcessingException() { | ||
} | ||
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public DataProcessingException(String message) { | ||
super(message); | ||
} | ||
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public DataProcessingException(String message, Throwable cause) { | ||
super(message, cause); | ||
} | ||
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public DataProcessingException(Throwable cause) { | ||
super(cause); | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -1,13 +1,17 @@ | ||
package mate.academy.service; | ||
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import mate.academy.model.Book; | ||
import java.util.List; | ||
import java.util.Optional; | ||
import mate.academy.model.Book; | ||
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public interface BookService { | ||
Book create(Book book); | ||
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Optional<Book> readID(Long id); | ||
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List<Book> readAll(); | ||
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Book update(Book book); | ||
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boolean delete(Long id); | ||
} |
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