Callback.java

package net.md_5.bungee.api;

/**
 * Represents a method which may be called once a result has been computed
 * asynchronously.
 *
 * @param <V> the type of result
 */
public interface Callback<V>
{

    /**
     * Called when the result is done.
     *
     * @param result the result of the computation
     * @param error the error(s) that occurred, if any
     */
    public void done(V result, Throwable error);
}