prometheus/storage/raw/interface.go

// Copyright 2012 Prometheus Team
// Licensed 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 raw

import (
	"github.com/matttproud/prometheus/coding"
)

type Pair struct {
	Left  []byte
	Right []byte
}

type Persistence interface {
	Has(key coding.Encoder) (bool, error)
	Get(key coding.Encoder) ([]byte, error)
	GetAll() ([]Pair, error)
	Drop(key coding.Encoder) error
	Put(key, value coding.Encoder) error
	Close() error
}