go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/common/tsmon/monitor/nil.go (about)

     1  // Copyright 2015 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package monitor
    16  
    17  import (
    18  	"context"
    19  
    20  	"go.chromium.org/luci/common/tsmon/types"
    21  )
    22  
    23  type nilMonitor struct{}
    24  
    25  // NewNilMonitor returns a Monitor that does nothing.
    26  func NewNilMonitor() Monitor {
    27  	return &nilMonitor{}
    28  }
    29  
    30  func (m *nilMonitor) ChunkSize() int {
    31  	return 0
    32  }
    33  
    34  func (m *nilMonitor) Send(ctx context.Context, cells []types.Cell) error {
    35  	return nil
    36  }
    37  
    38  func (m *nilMonitor) Close() error {
    39  	return nil
    40  }