what-the-bank/sources/io/grpc/internal/ExponentialBackoffPolicy.java

64 lines
1.9 KiB
Java

package io.grpc.internal;
import com.google.common.base.Preconditions;
import io.grpc.internal.BackoffPolicy;
import java.util.Random;
import java.util.concurrent.TimeUnit;
/* loaded from: classes6.dex */
public final class ExponentialBackoffPolicy implements BackoffPolicy {
private Random random = new Random();
private long initialBackoffNanos = TimeUnit.SECONDS.toNanos(1);
private long maxBackoffNanos = TimeUnit.MINUTES.toNanos(2);
private double multiplier = 1.6d;
private double jitter = 0.2d;
private long nextBackoffNanos = this.initialBackoffNanos;
/* loaded from: classes6.dex */
public static final class Provider implements BackoffPolicy.Provider {
@Override // io.grpc.internal.BackoffPolicy.Provider
public final BackoffPolicy get() {
return new ExponentialBackoffPolicy();
}
}
@Override // io.grpc.internal.BackoffPolicy
public final long nextBackoffNanos() {
long j = this.nextBackoffNanos;
double d = j;
this.nextBackoffNanos = Math.min((long) (this.multiplier * d), this.maxBackoffNanos);
double d2 = this.jitter;
return j + uniformRandom((-d2) * d, d2 * d);
}
private long uniformRandom(double d, double d2) {
Preconditions.checkArgument(d2 >= d);
return (long) ((this.random.nextDouble() * (d2 - d)) + d);
}
final ExponentialBackoffPolicy setRandom(Random random) {
this.random = random;
return this;
}
final ExponentialBackoffPolicy setMultiplier(double d) {
this.multiplier = d;
return this;
}
final ExponentialBackoffPolicy setMaxBackoffNanos(long j) {
this.maxBackoffNanos = j;
return this;
}
final ExponentialBackoffPolicy setJitter(double d) {
this.jitter = d;
return this;
}
final ExponentialBackoffPolicy setInitialBackoffNanos(long j) {
this.initialBackoffNanos = j;
return this;
}
}