malinink / easy-tests

import easytests.core.models.ModelInterface;

import easytests.core.models.exceptions.CallMethodOnEmptyModelException;

import easytests.core.models.exceptions.CreateEmptyModelWithNullIdException;

/**

 * @author malinink

 */

public abstract class AbstractModelEmpty implements ModelInterface {

    private Integer id;

    public AbstractModelEmpty() {

    }

    public AbstractModelEmpty(Integer id) {

        if (id == null) {

            throw new CreateEmptyModelWithNullIdException();

        }

        this.id = id;

    }

    @Override

    public Integer getId() {

        if (this.id == null) {

            throw new CallMethodOnEmptyModelException();

        }

        return this.id;

    }

    @Override

    public int hashCode() {

        return this.id == null ? -1 : this.id;

    }

}