/* * Copyright (c) 2018. Developed by Hedgecode. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.hedgecode.chess.position; /** * * * @author Dmitry Samoshin aka gotty */ public enum Positions { INITIAL { @Override public Position getPosition() { Position position = FACTORY.create(); position.initial(); return position; } }, EMPTY { @Override public Position getPosition() { Position position = FACTORY.create(); position.clear(); return position; } }; public abstract Position getPosition(); static class Factory { private Factory() { } Position create() { return create( PositionType.GAME ); } Position create(PositionType type) { Position position; switch (type) { case DIAGRAM: position = new DiagramPosition(); break; case GAME: default: position = new GamePosition(); } return position; } } private static final Factory FACTORY = new Factory(); }