tasks/common/persistence/noop_health_signal_aggregator.go

// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package persistence

import (
	"time"
)

var NoopHealthSignalAggregator HealthSignalAggregator = newNoopSignalAggregator()

type (
	noopSignalAggregator struct{}
)

func newNoopSignalAggregator() *noopSignalAggregator { return &noopSignalAggregator{} }

func (a *noopSignalAggregator) Start() {}

func (a *noopSignalAggregator) Stop() {}

func (a *noopSignalAggregator) Record(_ int32, _ string, _ time.Duration, _ error) {}

func (a *noopSignalAggregator) AverageLatency() float64 {
	return 0
}

func (*noopSignalAggregator) ErrorRatio() float64 {
	return 0
}