* OfficeFloor - http://www.officefloor.net
* Copyright (C) 2005-2011 Daniel Sagenschneider
* This program 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.
* 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
Type definition of a
instances implement the same interface. They
however differ in their characteristics which is internal to the
TODO Need to consider if necessary to provide criteria on a
to differentiate which
may pool its