de.schildbach.game.GamePosition.java Source code

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Here is the source code for de.schildbach.game.GamePosition.java

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/*
 * Copyright 2001-2011 the original author or authors.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.schildbach.game;

import java.io.Serializable;

import org.apache.commons.lang.builder.ToStringBuilder;

/**
 * Mutable representation of a game position. Subclasses may be mutable, too.
 * 
 * @author Andreas Schildbach
 */
public abstract class GamePosition implements Cloneable, Serializable {
    private Board board;
    private int fullmoveNumber;
    private int activePlayerIndex;

    protected GamePosition(Board board) {
        this.board = board;
    }

    public Board getBoard() {
        return board;
    }

    public int getFullmoveNumber() {
        return fullmoveNumber;
    }

    public void setFullmoveNumber(int fullmoveNumber) {
        this.fullmoveNumber = fullmoveNumber;
    }

    public int getActivePlayerIndex() {
        return activePlayerIndex;
    }

    public void setActivePlayerIndex(int activePlayerIndex) {
        this.activePlayerIndex = activePlayerIndex;
    }

    @Override
    public boolean equals(Object o) {
        if (o == null)
            return false;
        GamePosition other = (GamePosition) o;

        if (!board.equals(other.board))
            return false;

        if (fullmoveNumber != other.fullmoveNumber)
            return false;

        if (activePlayerIndex != other.activePlayerIndex)
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        int hashCode = 0;
        hashCode += board.hashCode();
        hashCode *= 37;
        hashCode += fullmoveNumber;
        hashCode *= 37;
        hashCode += activePlayerIndex;
        return hashCode;
    }

    @Override
    public Object clone() {
        try {
            GamePosition clone = (GamePosition) super.clone();
            clone.board = (Board) this.board.clone();
            return clone;
        } catch (CloneNotSupportedException x) {
            throw new RuntimeException(x);
        }
    }

    @Override
    public final String toString() {
        return ToStringBuilder.reflectionToString(this);
    }
}