src/main/java/design/persistence/PersonalDatabase.java


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package design.persistence;

import design.model.Golfer;
import java.io.IOException;
import java.io.File;

public interface PersonalDatabase {

    static PersonalDatabase instance() {
        return JSONPersonalDatabase.instance();
    }

    Golfer[] getGolfers();

    Golfer getGolfer(String name);

    void addGolfer(Golfer golfer) throws IOException;

    void removeGolfer(Golfer golfer) throws IOException;

    void updateGolfer(Golfer golfer) throws IOException;

    void importData(File newFile) throws IOException;

    File exportData() throws IOException;
}