| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.servicecomb.router.model; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| /** |
| * @Author GuoYl123 |
| * @Date 2019/10/17 |
| **/ |
| public class ServiceInfoCache { |
| private final List<PolicyRuleItem> allrule; |
| |
| /** |
| * for default version |
| */ |
| private TagItem latestVersionTag; |
| |
| public ServiceInfoCache(List<PolicyRuleItem> policyRuleItemList) { |
| this.allrule = policyRuleItemList.stream().sorted().collect(Collectors.toList()); |
| |
| this.getAllrule().forEach(rule -> |
| rule.getRoute().forEach(RouteItem::initTagItem) |
| ); |
| } |
| |
| public TagItem getNextInvokeVersion(PolicyRuleItem policyRuleItem) { |
| List<RouteItem> rule = policyRuleItem.getRoute(); |
| if (policyRuleItem.getTotal() == null) { |
| policyRuleItem.setTotal(rule.stream().mapToInt(RouteItem::getWeight).sum()); |
| } |
| rule.stream().forEach(RouteItem::addCurrentWeight); |
| int maxIndex = 0, maxWeight = -1; |
| for (int i = 0; i < rule.size(); i++) { |
| if (maxWeight < rule.get(i).getCurrentWeight()) { |
| maxIndex = i; |
| maxWeight = rule.get(i).getCurrentWeight(); |
| } |
| } |
| rule.get(maxIndex).reduceCurrentWeight(policyRuleItem.getTotal()); |
| return rule.get(maxIndex).getTagitem(); |
| } |
| |
| public List<PolicyRuleItem> getAllrule() { |
| return allrule; |
| } |
| |
| public TagItem getLatestVersionTag() { |
| return latestVersionTag; |
| } |
| |
| public void setLatestVersionTag(TagItem latestVersionTag) { |
| this.latestVersionTag = latestVersionTag; |
| } |
| |
| @Override |
| public String toString() { |
| return "ServiceInfoCache{" + |
| "allrule=" + allrule + |
| ", latestVersionTag=" + latestVersionTag + |
| '}'; |
| } |
| } |