/*
* This file is part of Skript.
*
* Skript is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Skript is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Skript. If not, see <http://www.gnu.org/licenses/>.
*
*
* Copyright 2011-2014 Peter Güttinger
*
*/
package ch.njol.skript.util;
import org.eclipse.jdt.annotation.Nullable;
import ch.njol.skript.classes.Converter;
/**
* Used to get a specific value from instances of some type.
*
* @param <R> the returned value type
* @param <A> the type which holds the value
* @author Peter Güttinger
*/
public abstract class Getter<R, A> implements Converter<A, R> {
/**
* Gets a value from the given object.
*
* @param arg the object to get the value from
* @return the value
*/
@Nullable
public abstract R get(A arg);
/**
* Convenience method to make getter implement converter
*/
@Override
@Nullable
public final R convert(final A a) {
return get(a);
}
}