teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * 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: 
d@9643: public final class FunctionFactory {
sascha@2569:     private static FunctionFactory instance;
sascha@2569: 
d@9643:     private final Map<String, Function> functions;
sascha@2569: 
sascha@2569:     private FunctionFactory() {
d@9643:         this.functions = new LinkedHashMap<>();
sascha@2569: 
sascha@3178:         registerFunction(Log.INSTANCE);
sascha@3178:         registerFunction(Linear.INSTANCE);
sascha@3178:         registerFunction(LogLinear.INSTANCE);
d@9643:         registerFunction(LogLinearAlternative.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: 
d@9643:     public Function getFunction(final String name) {
d@9643:         return this.functions.get(name);
sascha@2569:     }
sascha@2569: 
d@9643:     public void registerFunction(final Function function) {
d@9643:         this.functions.put(function.getName(), function);
sascha@2569:     }
sascha@2569: 
sascha@2569:     public Collection<Function> getFunctions() {
d@9643:         return this.functions.values();
sascha@2569:     }
sascha@2569: }
sascha@2569: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :