prometheus/model/curation.go

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// Copyright 2013 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 model
import (
"bytes"
"code.google.com/p/goprotobuf/proto"
"fmt"
dto "github.com/prometheus/prometheus/model/generated"
"time"
)
// CurationRemark provides a representation of dto.CurationValue with associated
// business logic methods attached to it to enhance code readability.
type CurationRemark struct {
LastCompletionTimestamp time.Time
}
// OlderThan answers whether this CurationRemark is older than the provided
// cutOff time.
func (c CurationRemark) OlderThan(t time.Time) bool {
return c.LastCompletionTimestamp.Before(t)
}
// Equal answers whether the two CurationRemarks are equivalent.
func (c CurationRemark) Equal(o CurationRemark) bool {
return c.LastCompletionTimestamp.Equal(o.LastCompletionTimestamp)
}
func (c CurationRemark) String() string {
return fmt.Sprintf("Last curated at %s", c.LastCompletionTimestamp)
}
// ToDTO generates the dto.CurationValue representation of this.
func (c CurationRemark) ToDTO() *dto.CurationValue {
return &dto.CurationValue{
LastCompletionTimestamp: proto.Int64(c.LastCompletionTimestamp.Unix()),
}
}
// NewCurationRemarkFromDTO builds CurationRemark from the provided
// dto.CurationValue object.
func NewCurationRemarkFromDTO(d *dto.CurationValue) CurationRemark {
return CurationRemark{
LastCompletionTimestamp: time.Unix(*d.LastCompletionTimestamp, 0).UTC(),
}
}
// CurationKey provides a representation of dto.CurationKey with asociated
// business logic methods attached to it to enhance code readability.
type CurationKey struct {
Fingerprint Fingerprint
ProcessorMessageRaw []byte
ProcessorMessageTypeName string
IgnoreYoungerThan time.Duration
}
// Equal answers whether the two CurationKeys are equivalent.
func (c CurationKey) Equal(o CurationKey) bool {
switch {
case !c.Fingerprint.Equal(o.Fingerprint):
return false
case bytes.Compare(c.ProcessorMessageRaw, o.ProcessorMessageRaw) != 0:
return false
case c.ProcessorMessageTypeName != o.ProcessorMessageTypeName:
return false
case c.IgnoreYoungerThan != o.IgnoreYoungerThan:
return false
}
return true
}
// ToDTO generates a dto.CurationKey representation of this.
func (c CurationKey) ToDTO() *dto.CurationKey {
return &dto.CurationKey{
Fingerprint: c.Fingerprint.ToDTO(),
ProcessorMessageRaw: c.ProcessorMessageRaw,
ProcessorMessageTypeName: proto.String(c.ProcessorMessageTypeName),
IgnoreYoungerThan: proto.Int64(int64(c.IgnoreYoungerThan)),
}
}
// NewCurationKeyFromDTO builds CurationKey from the provided dto.CurationKey.
func NewCurationKeyFromDTO(d *dto.CurationKey) CurationKey {
return CurationKey{
Fingerprint: NewFingerprintFromDTO(d.Fingerprint),
ProcessorMessageRaw: d.ProcessorMessageRaw,
ProcessorMessageTypeName: *d.ProcessorMessageTypeName,
IgnoreYoungerThan: time.Duration(*d.IgnoreYoungerThan),
}
}