teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5863:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5863:  * documentation coming with Dive4Elements River for details. 
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.math.fitting;
sascha@2569: 
sascha@2569: import java.util.Collection;
sascha@2569: import java.util.LinkedHashMap;
sascha@2569: import java.util.Map;
sascha@2569: 
sascha@2569: public final class FunctionFactory
sascha@2569: {
sascha@2569:     private static FunctionFactory instance;
sascha@2569: 
sascha@2569:     private Map<String, Function> functions;
sascha@2569: 
sascha@2569:     private FunctionFactory() {
sascha@2569:         functions = new LinkedHashMap<String, Function>();
sascha@2569: 
sascha@3178:         registerFunction(Log.INSTANCE);
sascha@3178:         registerFunction(Linear.INSTANCE);
sascha@3178:         registerFunction(LogLinear.INSTANCE);
sascha@3178:         registerFunction(Exp.INSTANCE);
sascha@3178:         registerFunction(Quad.INSTANCE);
sascha@3178:         registerFunction(Pow.INSTANCE);
sascha@3178:         registerFunction(SQPow.INSTANCE);
sascha@2569:     }
sascha@2569: 
sascha@2569:     public static synchronized FunctionFactory getInstance() {
sascha@2569:         if (instance == null) {
sascha@2569:             instance = new FunctionFactory();
sascha@2569:         }
sascha@2569:         return instance;
sascha@2569:     }
sascha@2569: 
sascha@2569:     public Function getFunction(String name) {
sascha@2569:         return functions.get(name);
sascha@2569:     }
sascha@2569: 
sascha@2569:     public void registerFunction(Function function) {
sascha@2569:         functions.put(function.getName(), function);
sascha@2569:     }
sascha@2569: 
sascha@2569:     public Collection<Function> getFunctions() {
sascha@2569:         return functions.values();
sascha@2569:     }
sascha@2569: }
sascha@2569: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :