| // 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 storagemem implements an in-memory storage Bucket. |
| package storagemem |
| |
| import ( |
| "errors" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/storage" |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/storage/storagemem/internal" |
| "github.com/apache/dubbo-kubernetes/pkg/bufman/pkg/storage/storageutil" |
| ) |
| |
| var errDuplicatePath = errors.New("duplicate path") |
| |
| // NewReadWriteBucket returns a new in-memory ReadWriteBucket. |
| func NewReadWriteBucket() storage.ReadWriteBucket { |
| return newBucket(nil) |
| } |
| |
| // NewReadBucket returns a new ReadBucket. |
| func NewReadBucket(pathToData map[string][]byte) (storage.ReadBucket, error) { |
| pathToImmutableObject := make(map[string]*internal.ImmutableObject, len(pathToData)) |
| for path, data := range pathToData { |
| path, err := storageutil.ValidatePath(path) |
| if err != nil { |
| return nil, err |
| } |
| // This could happen if two paths normalize to the same path. |
| if _, ok := pathToImmutableObject[path]; ok { |
| return nil, errDuplicatePath |
| } |
| pathToImmutableObject[path] = internal.NewImmutableObject(path, "", data) |
| } |
| return newBucket(pathToImmutableObject), nil |
| } |