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Repository implementation

Pragya Keshap answered on February 19, 2023 Popularity 2/10 Helpfulness 1/10

answer Repository implementation

Repository implementation

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public interface RestaurantRepository<Restaurant, String> extends Repository<Restaurant, String> { 
 
    boolean containsName(String name); 
} 
 
public class InMemRestaurantRepository implements RestaurantRepository<Restaurant, String> { 
 
    private Map<String, Restaurant> entities; 
 
    public InMemRestaurantRepository() { 
        entities = new HashMap(); 
    } 
 
    @Override 
    public boolean containsName(String name) { 
        return entities.containsKey(name); 
    } 
 
    @Override 
    public void add(Restaurant entity) { 
        entities.put(entity.getName(), entity); 
    } 
 
    @Override 
    public void remove(String id) { 
        if (entities.containsKey(id)) { 
            entities.remove(id); 
        } 
    } 
 
    @Override 
    public void update(Restaurant entity) { 
        if (entities.containsKey(entity.getName())) { 
            entities.put(entity.getName(), entity); 
        } 
    } 
 
    @Override 
    public boolean contains(String id) { 
        throw new UnsupportedOperationException("Not supported yet."); 
     //To change body of generated methods, choose Tools | Templates. 
    } 
 
    @Override 
    public Entity get(String id) { 
        throw new UnsupportedOperationException("Not supported yet."); 
     //To change body of generated methods, choose Tools | Templates. 
    } 
 
    @Override 
    public Collection<Restaurant> getAll() { 
        return entities.values(); 
    } 
 
}

Popularity 2/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: implementation java repository

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Contributed on Feb 19 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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