ExponentialWeightedAverageTimeToFirstByteEstimator
@UnstableApi
class ExponentialWeightedAverageTimeToFirstByteEstimator : TimeToFirstByteEstimator
Implementation of TimeToFirstByteEstimator based on exponential weighted average.
Summary
Constants |
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const Double |
DEFAULT_SMOOTHING_FACTOR = 0.85The default smoothing factor. |
Public constructors |
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Creates an instance using the |
ExponentialWeightedAverageTimeToFirstByteEstimator(Creates an instance. |
Public functions |
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Long |
Returns the estimated time to first byte of the response body, in microseconds, or |
Unit |
onTransferInitializing(dataSpec: DataSpec!)Called when a transfer is being initialized. |
Unit |
onTransferStart(dataSpec: DataSpec!)Called when a transfer starts. |
Unit |
reset()Resets the estimator. |
Constants
DEFAULT_SMOOTHING_FACTOR
const val DEFAULT_SMOOTHING_FACTOR = 0.85: Double
The default smoothing factor.
Public constructors
ExponentialWeightedAverageTimeToFirstByteEstimator
ExponentialWeightedAverageTimeToFirstByteEstimator()
Creates an instance using the DEFAULT_SMOOTHING_FACTOR.
ExponentialWeightedAverageTimeToFirstByteEstimator
ExponentialWeightedAverageTimeToFirstByteEstimator(
smoothingFactor: Double
)
Creates an instance.
| Parameters | |
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smoothingFactor: Double |
The exponential weighted average smoothing factor. |
Public functions
getTimeToFirstByteEstimateUs
fun getTimeToFirstByteEstimateUs(): Long
Returns the estimated time to first byte of the response body, in microseconds, or TIME_UNSET if no estimate is available.
onTransferInitializing
fun onTransferInitializing(dataSpec: DataSpec!): Unit
Called when a transfer is being initialized.
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dataSpec: DataSpec! |
Describes the data for which the transfer is initialized. |
onTransferStart
fun onTransferStart(dataSpec: DataSpec!): Unit
Called when a transfer starts.
| Parameters | |
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dataSpec: DataSpec! |
Describes the data being transferred. |