67 lines
2.2 KiB
Java
67 lines
2.2 KiB
Java
/*
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* ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
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* Copyright (C) 2012 Kristian S. Stangeland
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with this program;
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* if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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package com.comphenix.protocol.wrappers.collection;
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import com.google.common.base.Function;
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/**
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* Represents an object that transform elements of type VInner to type VOuter and back again.
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*
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* @author Kristian
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*
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* @param <VInner> - the first type.
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* @param <VOuter> - the second type.
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*/
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public abstract class AbstractConverted<VInner, VOuter> {
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// Inner conversion
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private final Function<VOuter, VInner> innerConverter = this::toInner;
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// Outer conversion
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private final Function<VInner, VOuter> outerConverter = this::toOuter;
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/**
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* Convert a value from the inner map to the outer visible map.
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* @param inner - the inner value.
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* @return The outer value.
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*/
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protected abstract VOuter toOuter(VInner inner);
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/**
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* Convert a value from the outer map to the internal inner map.
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* @param outer - the outer value.
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* @return The inner value.
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*/
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protected abstract VInner toInner(VOuter outer);
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/**
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* Retrieve a function delegate that converts outer objects to inner objects.
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* @return A function delegate.
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*/
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protected Function<VOuter, VInner> getInnerConverter() {
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return innerConverter;
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}
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/**
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* Retrieve a function delegate that converts inner objects to outer objects.
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* @return A function delegate.
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*/
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protected Function<VInner, VOuter> getOuterConverter() {
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return outerConverter;
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}
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}
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