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// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 jaeger
import (
"time"
)
// ReporterOption is a function that sets some option on the reporter.
type ReporterOption func(c *reporterOptions)
// ReporterOptions is a factory for all available ReporterOption's
var ReporterOptions reporterOptions
// reporterOptions control behavior of the reporter.
type reporterOptions struct {
// queueSize is the size of internal queue where reported spans are stored before they are processed in the background
queueSize int
// bufferFlushInterval is how often the buffer is force-flushed, even if it's not full
bufferFlushInterval time.Duration
// logger is used to log errors of span submissions
logger Logger
// metrics is used to record runtime stats
metrics *Metrics
}
// QueueSize creates a ReporterOption that sets the size of the internal queue where
// spans are stored before they are processed.
func (reporterOptions) QueueSize(queueSize int) ReporterOption {
return func(r *reporterOptions) {
r.queueSize = queueSize
}
}
// Metrics creates a ReporterOption that initializes Metrics in the reporter,
// which is used to record runtime statistics.
func (reporterOptions) Metrics(metrics *Metrics) ReporterOption {
return func(r *reporterOptions) {
r.metrics = metrics
}
}
// BufferFlushInterval creates a ReporterOption that sets how often the queue
// is force-flushed.
func (reporterOptions) BufferFlushInterval(bufferFlushInterval time.Duration) ReporterOption {
return func(r *reporterOptions) {
r.bufferFlushInterval = bufferFlushInterval
}
}
// Logger creates a ReporterOption that initializes the logger used to log
// errors of span submissions.
func (reporterOptions) Logger(logger Logger) ReporterOption {
return func(r *reporterOptions) {
r.logger = logger
}
}
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