go.uber.org/yarpc@v1.72.1/api/transport/lifecycle.go (about) 1 // Copyright (c) 2022 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package transport 22 23 // Lifecycle objects are used to define a common Start/Stop functionality 24 // across different transport objects. 25 type Lifecycle interface { 26 // Start the lifecycle object, returns an error if it cannot be started. 27 // Start MUST be idempotent. 28 Start() error 29 30 // Stop the lifecycle object, returns an error if it cannot be stopped. 31 // Stop MUST be idempotent. 32 Stop() error 33 34 // IsRunning returns whether the Lifecycle is currently running. 35 // 36 // This function exists for introspection purposes only. It should not be 37 // used to assert the state of the lifecycle. 38 IsRunning() bool 39 }