pollingengine/in.androidplay.pollingengine.polling/BackoffPolicy

BackoffPolicy

data class BackoffPolicy(val initialDelayMs: Long = 500, val maxDelayMs: Long, val multiplier: Double = 2.0, val jitterRatio: Double = 0.2, val maxAttempts: Int = 8, val overallTimeoutMs: Long, val perAttemptTimeoutMs: Long? = null, val random: Random = Random.Default)

Configuration for exponential backoff with jitter. Provides validation to ensure safe, production-ready defaults.

Constructors

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constructor(initialDelayMs: Long = 500, maxDelayMs: Long, multiplier: Double = 2.0, jitterRatio: Double = 0.2, maxAttempts: Int = 8, overallTimeoutMs: Long, perAttemptTimeoutMs: Long? = null, random: Random = Random.Default)

Properties

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val initialDelayMs: Long = 500
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val jitterRatio: Double = 0.2

Ratio in 0.0, 1.0. 0 = no jitter.

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val maxAttempts: Int = 8
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val multiplier: Double = 2.0
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val perAttemptTimeoutMs: Long? = null

Optional per-attempt timeout; null to disable. Must be 0 when set.

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val random: Random

Random source for jitter; injectable for deterministic tests.

Functions

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fun computeJitteredDelay(baseMs: Long): Long

Computes randomized delay around a base using jitter, clamped to 0, maxDelayMs.