49 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
		
		
			
		
	
	
			49 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
|  | // Copyright 2014 The Prometheus Authors
 | ||
|  | // 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 storage | ||
|  | 
 | ||
|  | import "fmt" | ||
|  | 
 | ||
|  | type errDuplicateSampleForTimestamp struct { | ||
|  | 	timestamp int64 | ||
|  | 	existing  float64 | ||
|  | 	newValue  float64 | ||
|  | } | ||
|  | 
 | ||
|  | func NewDuplicateFloatErr(t int64, existing, newValue float64) error { | ||
|  | 	return errDuplicateSampleForTimestamp{ | ||
|  | 		timestamp: t, | ||
|  | 		existing:  existing, | ||
|  | 		newValue:  newValue, | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | func (e errDuplicateSampleForTimestamp) Error() string { | ||
|  | 	if e.timestamp == 0 { | ||
|  | 		return "duplicate sample for timestamp" | ||
|  | 	} | ||
|  | 	return fmt.Sprintf("duplicate sample for timestamp %d; overrides not allowed: existing %g, new value %g", e.timestamp, e.existing, e.newValue) | ||
|  | } | ||
|  | 
 | ||
|  | // Every errDuplicateSampleForTimestamp compares equal to the global ErrDuplicateSampleForTimestamp.
 | ||
|  | func (e errDuplicateSampleForTimestamp) Is(t error) bool { | ||
|  | 	if t == ErrDuplicateSampleForTimestamp { | ||
|  | 		return true | ||
|  | 	} | ||
|  | 	if v, ok := t.(errDuplicateSampleForTimestamp); ok { | ||
|  | 		return e == v | ||
|  | 	} | ||
|  | 	return false | ||
|  | } |