| /* |
| * 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 ( |
| "fmt" |
| "github.com/apache/servicecomb-service-center/pkg/cache" |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| pb "github.com/apache/servicecomb-service-center/server/core/proto" |
| serviceUtil "github.com/apache/servicecomb-service-center/server/service/util" |
| "golang.org/x/net/context" |
| ) |
| |
| type VersionRuleFilter struct { |
| } |
| |
| func (f *VersionRuleFilter) Name(ctx context.Context, _ *cache.Node) string { |
| provider := ctx.Value(CTX_FIND_PROVIDER).(*pb.MicroServiceKey) |
| return provider.Version |
| } |
| |
| func (f *VersionRuleFilter) Init(ctx context.Context, parent *cache.Node) (node *cache.Node, err error) { |
| provider := ctx.Value(CTX_FIND_PROVIDER).(*pb.MicroServiceKey) |
| // 版本规则 |
| ids, exist, err := serviceUtil.FindServiceIds(ctx, provider.Version, provider) |
| if err != nil { |
| consumer := ctx.Value(CTX_FIND_CONSUMER).(*pb.MicroService) |
| findFlag := fmt.Sprintf("consumer '%s' find provider %s/%s/%s", consumer.ServiceId, |
| provider.AppId, provider.ServiceName, provider.Version) |
| log.Errorf(err, "VersionRuleFilter failed, %s", findFlag) |
| return |
| } |
| if !exist { |
| return |
| } |
| |
| node = cache.NewNode() |
| node.Cache.Set(CACHE_FIND, &VersionRuleCacheItem{ |
| VersionRule: provider.Version, |
| ServiceIds: ids, |
| }) |
| return |
| } |