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41 lines
1001 B
41 lines
1001 B
// Copyright 2019 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 remote |
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import ( |
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"sync" |
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"github.com/prometheus/client_golang/prometheus" |
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) |
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type maxTimestamp struct { |
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mtx sync.Mutex |
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value float64 |
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prometheus.Gauge |
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} |
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func (m *maxTimestamp) Set(value float64) { |
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m.mtx.Lock() |
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defer m.mtx.Unlock() |
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if value > m.value { |
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m.value = value |
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m.Gauge.Set(value) |
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} |
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} |
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func (m *maxTimestamp) Get() float64 { |
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m.mtx.Lock() |
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defer m.mtx.Unlock() |
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return m.value |
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}
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