go.temporal.io/server@v1.23.0/common/persistence/noop_health_signal_aggregator.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package persistence
    26  
    27  import (
    28  	"time"
    29  )
    30  
    31  var NoopHealthSignalAggregator HealthSignalAggregator = newNoopSignalAggregator()
    32  
    33  type (
    34  	noopSignalAggregator struct{}
    35  )
    36  
    37  func newNoopSignalAggregator() *noopSignalAggregator { return &noopSignalAggregator{} }
    38  
    39  func (a *noopSignalAggregator) Start() {}
    40  
    41  func (a *noopSignalAggregator) Stop() {}
    42  
    43  func (a *noopSignalAggregator) Record(_ int32, _ string, _ time.Duration, _ error) {}
    44  
    45  func (a *noopSignalAggregator) AverageLatency() float64 {
    46  	return 0
    47  }
    48  
    49  func (*noopSignalAggregator) ErrorRatio() float64 {
    50  	return 0
    51  }