Java tutorial
/* * Copyright 2016 Cask Data, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package co.cask.cdap.route.store; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableMap; import java.util.Map; /** * Route Configuration. */ public class RouteConfig { private final Map<String, Integer> routes; private transient Boolean isValid; public RouteConfig(Map<String, Integer> routes) { Preconditions.checkNotNull(routes); this.routes = ImmutableMap.copyOf(routes); } public Map<String, Integer> getRoutes() { return routes; } public boolean isValid() { if (isValid == null) { int percentageSum = 0; for (Integer percent : routes.values()) { percentageSum += percent; } isValid = (percentageSum == 100); } return isValid; } }