Mutable<T>

package mightypork.utils.objects;


/**
 * Mutable object
 *
 * @author MightyPork
 * @param <T> type
 */
public class Mutable<T> {

    /** The wrapped value */
    private T o = null;


    /**
     * New mutable object
     *
     * @param o value
     */
    public Mutable(T o) {
        this.o = o;
    }


    /**
     * Get the wrapped value
     *
     * @return value
     */
    public T get()
    {
        return o;
    }


    /**
     * Set value
     *
     * @param o new value to set
     */
    public void set(T o)
    {
        this.o = o;
    }


    @Override
    public int hashCode()
    {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((o == null) ? 0 : o.hashCode());
        return result;
    }


    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) return true;
        if (obj == null) return false;
        if (!(obj instanceof Mutable)) return false;

        Mutable<?> other = (Mutable<?>) obj;
        if (o == null) {
            if (other.o != null) return false;
        } else if (!o.equals(other.o)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString()
    {
        if(o == null) return "<null>";
        return o.toString();
    }
}