| // Copyright (c) 2018 The Jaeger Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package throttler |
| |
| // Throttler is used to rate limits operations. For example, given how debug spans |
| // are always sampled, a throttler can be enabled per client to rate limit the amount |
| // of debug spans a client can start. |
| type Throttler interface { |
| // IsAllowed determines whether the operation should be allowed and not be |
| // throttled. |
| IsAllowed(operation string) bool |
| } |
| |
| // DefaultThrottler doesn't throttle at all. |
| type DefaultThrottler struct{} |
| |
| // IsAllowed implements Throttler#IsAllowed. |
| func (t DefaultThrottler) IsAllowed(operation string) bool { |
| return true |
| } |