StratumProc.java

/* 
 * (c) 2008- RANDI2 Core Development Team
 * 
 * This file is part of RANDI2.
 * 
 * RANDI2 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.
 * 
 * RANDI2 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
 * RANDI2. If not, see <http://www.gnu.org/licenses/>.
 */
package de.randi2.utility;

public abstract class StratumProc {
	
	public static StratumProc noStratification(){
		return new StratumProc(){

			@Override
			public <String> int stratify(String value) {
				return 0;
			}
			
		};
	}
	
	public static StratumProc binaryStratification(String op1, String op2){
		final String opt1 = op1;
		final String opt2 = op2;
		return new StratumProc(){

			@Override
			public <String> int stratify(String value) {
				if(value.equals(opt1)){
					return 0;
				}
				else if(value.equals(opt2)){
					return 1;
				}
				return -1;
			}
			
		};
	}
	
	public abstract <V> int stratify(V value);
	
}