/*
* Redberry: symbolic tensor computations.
*
* Copyright (c) 2010-2012:
* Stanislav Poslavsky <stvlpos@mail.ru>
* Bolotin Dmitriy <bolotin.dmitriy@gmail.com>
*
* This file is part of Redberry.
*
* Redberry 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.
*
* Redberry 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 Redberry. If not, see <http://www.gnu.org/licenses/>.
*/
package cc.redberry.core.context.defaults;
import cc.redberry.core.context.Context;
import cc.redberry.core.context.ContextFactory;
import cc.redberry.core.context.ContextSettings;
public class DefaultContextFactory implements ContextFactory {
public static final DefaultContextFactory INSTANCE = new DefaultContextFactory();
private DefaultContextFactory() {
}
@Override
public Context createContext() {
//Creating context defaults
Context context = new Context(ContextSettings.createDefault());
/*
* ************************** DEFAULT INDEXCONVERTER TYPES *****************
*
* Default class provides int <---> symbol convertation.
* Default types id are
*
* Symbol Type Code Name String
*
* Latin down case letters a....z 0 Coordinate
*
* Latin upper case letters A...Z 1 Group SU(N)
*
* Greek LaTeX down case letters \alpha....\beta 2 Local Lorentz
*
* Greek LaTeX upper case letters \Alpha....\Beta 3 Special Group
*/
return context;
}
}