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48 lines
1.5 KiB
48 lines
1.5 KiB
// Copyright 2014 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package storage |
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import "fmt" |
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type errDuplicateSampleForTimestamp struct { |
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timestamp int64 |
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existing float64 |
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newValue float64 |
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} |
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func NewDuplicateFloatErr(t int64, existing, newValue float64) error { |
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return errDuplicateSampleForTimestamp{ |
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timestamp: t, |
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existing: existing, |
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newValue: newValue, |
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} |
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} |
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func (e errDuplicateSampleForTimestamp) Error() string { |
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if e.timestamp == 0 { |
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return "duplicate sample for timestamp" |
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} |
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return fmt.Sprintf("duplicate sample for timestamp %d; overrides not allowed: existing %g, new value %g", e.timestamp, e.existing, e.newValue) |
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} |
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// Every errDuplicateSampleForTimestamp compares equal to the global ErrDuplicateSampleForTimestamp. |
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func (e errDuplicateSampleForTimestamp) Is(t error) bool { |
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if t == ErrDuplicateSampleForTimestamp { |
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return true |
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} |
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if v, ok := t.(errDuplicateSampleForTimestamp); ok { |
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return e == v |
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} |
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return false |
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}
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