| /* |
| * 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 cache |
| |
| import ( |
| "context" |
| "github.com/apache/servicecomb-service-center/pkg/cache" |
| pb "github.com/apache/servicecomb-service-center/server/core/proto" |
| serviceUtil "github.com/apache/servicecomb-service-center/server/service/util" |
| "math" |
| ) |
| |
| var DependencyRule = &DependencyRuleCache{ |
| Tree: cache.NewTree(cache.Configure(). |
| WithMaxSize(math.MaxInt64))} |
| |
| func init() { |
| DependencyRule.AddFilter( |
| &ServiceFilter{}, |
| &ConsumerFilter{}) |
| } |
| |
| type DependencyRuleItem struct { |
| VersionRule string |
| } |
| |
| type DependencyRuleCache struct { |
| *cache.Tree |
| } |
| |
| func (f *DependencyRuleCache) ExistVersionRule(ctx context.Context, consumerId string, provider *pb.MicroServiceKey) bool { |
| cloneCtx := context.WithValue(context.WithValue(ctx, |
| CTX_FIND_CONSUMER, consumerId), |
| CTX_FIND_PROVIDER, provider) |
| |
| node, _ := f.Tree.Get(cloneCtx, cache.Options().Temporary(ctx.Value(serviceUtil.CTX_NOCACHE) == "1")) |
| if node == nil { |
| return false |
| } |
| v := node.Cache.Get(CACHE_DEP).(*DependencyRuleItem) |
| if v.VersionRule != provider.Version { |
| v.VersionRule = provider.Version |
| return false |
| } |
| return true |
| } |
| |
| func (f *DependencyRuleCache) Remove(provider *pb.MicroServiceKey) { |
| f.Tree.Remove(context.WithValue(context.Background(), CTX_FIND_PROVIDER, provider)) |
| } |