FreelanceBot

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package telegramBot.entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.GenerationType;
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import jakarta.persistence.Id;
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import jakarta.persistence.MappedSuperclass;
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import org.apache.http.util.Asserts;
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import org.springframework.data.domain.Persistable;
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import java.util.Objects;
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@MappedSuperclass
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public abstract class BaseEntity implements Persistable<Long> {
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    @Id
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    @GeneratedValue(strategy = GenerationType.IDENTITY)
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    protected Long id;
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    public BaseEntity(){}
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    @Override
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    public boolean isNew() {
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        return id == null;
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    }
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    @Override
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    public Long getId() {
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        return id;
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    }
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    public long id() {
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        Asserts.notNull(id, "entity must have id");
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        return this.id;
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    }
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    public void setId(Long id){
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        this.id = id;
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    }
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    @Override
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    public int hashCode() {
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        return id == null ? 0 : id.intValue();
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    }
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    @Override
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    public boolean equals(Object obj) {
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        if(this == obj) return true;
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        if(!(obj instanceof BaseEntity)) return false;
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        BaseEntity entity = (BaseEntity) obj;
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        return Objects.equals(this.id, entity.id);
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    }
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}
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