/* * JBoss, Home of Professional Open Source. * Copyright 2017, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.wildfly.clustering.service; import java.util.function.Function; import org.jboss.msc.value.Value; /** * A generic {@link org.jboss.msc.service.Service} whose value is the result of applying a mapping function to a provided {@link Value}. * @author Paul Ferraro */ public class MappedValueService<T, V> extends FunctionalValueService<T, V> { /** * Constructs a new mapped value service. * @param mapper a function that maps the supplied value to the service value * @param supplier produces the supplied value */ public MappedValueService(Function<T, V> mapper, Value<T> supplier) { super(mapper, context -> supplier.getValue(), (context, value) -> {}); } }