github.com/splucs/witchcraft-go-server@v1.7.0/status/health/periodic/option.go (about)

     1  // Copyright (c) 2019 Palantir Technologies. All rights reserved.
     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 periodic
    16  
    17  type Option interface {
    18  	apply(source *healthCheckSource)
    19  }
    20  
    21  type optionFn func(source *healthCheckSource)
    22  
    23  func (fn optionFn) apply(source *healthCheckSource) {
    24  	fn(source)
    25  }
    26  
    27  // WithInitialPoll configures the health check source to poll immediately instead of waiting for the duration of
    28  // the check's specified retry interval.
    29  func WithInitialPoll() Option {
    30  	return optionFn(func(source *healthCheckSource) {
    31  		source.initialPoll = true
    32  	})
    33  }