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storage.go
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storage.go
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// Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package test
import (
"context"
"time"
"github.com/m3db/m3/src/query/block"
"github.com/m3db/m3/src/query/storage"
)
// slowStorage slows down a request by delay
type slowStorage struct {
storage storage.Storage
delay time.Duration
}
// NewSlowStorage creates a new slow storage
func NewSlowStorage(
storage storage.Storage,
delay time.Duration,
) storage.Storage {
return &slowStorage{storage: storage, delay: delay}
}
func (s *slowStorage) Fetch(
ctx context.Context,
query *storage.FetchQuery,
options *storage.FetchOptions,
) (*storage.FetchResult, error) {
time.Sleep(s.delay)
return s.storage.Fetch(ctx, query, options)
}
func (s *slowStorage) FetchBlocks(
ctx context.Context,
query *storage.FetchQuery,
options *storage.FetchOptions,
) (block.Result, error) {
time.Sleep(s.delay)
return s.storage.FetchBlocks(ctx, query, options)
}
func (s *slowStorage) SearchSeries(
ctx context.Context,
query *storage.FetchQuery,
options *storage.FetchOptions,
) (*storage.SearchResults, error) {
time.Sleep(s.delay)
return s.storage.SearchSeries(ctx, query, options)
}
func (s *slowStorage) CompleteTags(
ctx context.Context,
query *storage.CompleteTagsQuery,
options *storage.FetchOptions,
) (*storage.CompleteTagsResult, error) {
time.Sleep(s.delay)
return s.storage.CompleteTags(ctx, query, options)
}
func (s *slowStorage) Write(
ctx context.Context,
query *storage.WriteQuery,
) error {
time.Sleep(s.delay)
return s.storage.Write(ctx, query)
}
func (s *slowStorage) Type() storage.Type {
return storage.TypeMultiDC
}
func (s *slowStorage) Close() error {
return nil
}