001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.reef.evaluator.context.parameters; 020 021import org.apache.reef.annotations.audience.Private; 022import org.apache.reef.tang.annotations.Name; 023import org.apache.reef.tang.annotations.NamedParameter; 024import org.apache.reef.util.ObjectInstantiationLogger; 025 026import java.util.Set; 027 028/** 029 * A set of classes to be instantiated and shared as singletons within this context and all child context. 030 */ 031@NamedParameter(doc = "A set of classes to be instantiated and shared as singletons within this context " + 032 "and all child context", 033 default_classes = ObjectInstantiationLogger.class) 034@Private 035public class Services implements Name<Set<Object>> { 036}