// Copyright 2018 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 format

import (
	"github.com/prometheus/alertmanager/client"
	"github.com/prometheus/alertmanager/types"
)

type ByEndAt []types.Silence

func (s ByEndAt) Len() int           { return len(s) }
func (s ByEndAt) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
func (s ByEndAt) Less(i, j int) bool { return s[i].EndsAt.Before(s[j].EndsAt) }

type ByStartsAt []*client.ExtendedAlert

func (s ByStartsAt) Len() int           { return len(s) }
func (s ByStartsAt) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
func (s ByStartsAt) Less(i, j int) bool { return s[i].StartsAt.Before(s[j].StartsAt) }