package info.gamlor.db4oseries;

import static info.gamlor.db4oseries.Preconditions.*;

/**
 * @author roman.stoffel@gamlor.info
 * @since 26.10.2009
 */
public final class SimpleObject {
    private final String name;
    private int number;

    public SimpleObject(String name, int number) {
        checkArgumentNotNull(name,"name");
        checkArgumentIsBiggerThan(number,-1,"number");
        this.name = name;
        this.number = number;
    }

    SimpleObject(int number) {
        checkArgumentIsBiggerThan(number,-1,"number");
        this.name = null;
        this.number = number;
    }

    public int getNumber() {
        return number;
    }

    public String getName() {
        return name;
    }

    public void setNumber(int number) {
        this.number = number;
    }

    @Override
    public String toString() {
        return "SimpleObject{" +
                "name='" + name + '\'' +
                ", number=" + number +
                '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof SimpleObject)) return false;

        SimpleObject that = (SimpleObject) o;

        if (number != that.number) return false;
        if (name != null ? !name.equals(that.name) : that.name != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + number;
        return result;
    }
}