| // 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 |
| |
| import ( |
| "bytes" |
| ) |
| |
| 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" |
| ) |
| |
| type readObjectCloser struct { |
| storageutil.ObjectInfo |
| |
| reader *bytes.Reader |
| closed bool |
| } |
| |
| func newReadObjectCloser(immutableObject *internal.ImmutableObject) *readObjectCloser { |
| return &readObjectCloser{ |
| ObjectInfo: immutableObject.ObjectInfo, |
| reader: bytes.NewReader(immutableObject.Data()), |
| } |
| } |
| |
| func (r *readObjectCloser) Read(p []byte) (int, error) { |
| if r.closed { |
| return 0, storage.ErrClosed |
| } |
| return r.reader.Read(p) |
| } |
| |
| func (r *readObjectCloser) Close() error { |
| if r.closed { |
| return storage.ErrClosed |
| } |
| r.closed = true |
| return nil |
| } |