public class com.codahale.metrics.EWMA extends java.lang.Object
{
private static final int INTERVAL;
private static final double SECONDS_PER_MINUTE;
private static final int ONE_MINUTE;
private static final int FIVE_MINUTES;
private static final int FIFTEEN_MINUTES;
private static final double M1_ALPHA;
private static final double M5_ALPHA;
private static final double M15_ALPHA;
private volatile boolean initialized;
private volatile double rate;
private final java.util.concurrent.atomic.LongAdder uncounted;
private final double alpha;
private final double interval;
public static com.codahale.metrics.EWMA oneMinuteEWMA()
{
java.util.concurrent.TimeUnit v;
com.codahale.metrics.EWMA v;
double v;
v = new com.codahale.metrics.EWMA;
v = <com.codahale.metrics.EWMA: double M1_ALPHA>;
v = <java.util.concurrent.TimeUnit: java.util.concurrent.TimeUnit SECONDS>;
specialinvoke v.<com.codahale.metrics.EWMA: void <init>(double,long,java.util.concurrent.TimeUnit)>(v, 5L, v);
return v;
}
public static com.codahale.metrics.EWMA fiveMinuteEWMA()
{
java.util.concurrent.TimeUnit v;
com.codahale.metrics.EWMA v;
double v;
v = new com.codahale.metrics.EWMA;
v = <com.codahale.metrics.EWMA: double M5_ALPHA>;
v = <java.util.concurrent.TimeUnit: java.util.concurrent.TimeUnit SECONDS>;
specialinvoke v.<com.codahale.metrics.EWMA: void <init>(double,long,java.util.concurrent.TimeUnit)>(v, 5L, v);
return v;
}
public static com.codahale.metrics.EWMA fifteenMinuteEWMA()
{
java.util.concurrent.TimeUnit v;
com.codahale.metrics.EWMA v;
double v;
v = new com.codahale.metrics.EWMA;
v = <com.codahale.metrics.EWMA: double M15_ALPHA>;
v = <java.util.concurrent.TimeUnit: java.util.concurrent.TimeUnit SECONDS>;
specialinvoke v.<com.codahale.metrics.EWMA: void <init>(double,long,java.util.concurrent.TimeUnit)>(v, 5L, v);
return v;
}
public void <init>(double, long, java.util.concurrent.TimeUnit)
{
java.util.concurrent.TimeUnit v;
java.util.concurrent.atomic.LongAdder v;
com.codahale.metrics.EWMA v;
long v, v;
double v;
v := @this: com.codahale.metrics.EWMA;
v := @parameter: double;
v := @parameter: long;
v := @parameter: java.util.concurrent.TimeUnit;
specialinvoke v.<java.lang.Object: void <init>()>();
v.<com.codahale.metrics.EWMA: boolean initialized> = 0;
v.<com.codahale.metrics.EWMA: double rate> = 0.0;
v = new java.util.concurrent.atomic.LongAdder;
specialinvoke v.<java.util.concurrent.atomic.LongAdder: void <init>()>();
v.<com.codahale.metrics.EWMA: java.util.concurrent.atomic.LongAdder uncounted> = v;
v = virtualinvoke v.<java.util.concurrent.TimeUnit: long toNanos(long)>(v);
v.<com.codahale.metrics.EWMA: double interval> = v;
v.<com.codahale.metrics.EWMA: double alpha> = v;
return;
}
public void update(long)
{
java.util.concurrent.atomic.LongAdder v;
com.codahale.metrics.EWMA v;
long v;
v := @this: com.codahale.metrics.EWMA;
v := @parameter: long;
v = v.<com.codahale.metrics.EWMA: java.util.concurrent.atomic.LongAdder uncounted>;
virtualinvoke v.<java.util.concurrent.atomic.LongAdder: void add(long)>(v);
return;
}
public void tick()
{
java.util.concurrent.atomic.LongAdder v;
com.codahale.metrics.EWMA v;
long v;
boolean v;
double v, v, v, v, v, v, v;
v := @this: com.codahale.metrics.EWMA;
v = v.<com.codahale.metrics.EWMA: java.util.concurrent.atomic.LongAdder uncounted>;
v = virtualinvoke v.<java.util.concurrent.atomic.LongAdder: long sumThenReset()>();
v = v.<com.codahale.metrics.EWMA: double interval>;
v = v / v;
v = v.<com.codahale.metrics.EWMA: boolean initialized>;
if v == 0 goto label;
v = v.<com.codahale.metrics.EWMA: double rate>;
v = v.<com.codahale.metrics.EWMA: double alpha>;
v = v - v;
v = v * v;
v = v + v;
v.<com.codahale.metrics.EWMA: double rate> = v;
goto label;
label:
v.<com.codahale.metrics.EWMA: double rate> = v;
v.<com.codahale.metrics.EWMA: boolean initialized> = 1;
label:
return;
}
public double getRate(java.util.concurrent.TimeUnit)
{
java.util.concurrent.TimeUnit v;
com.codahale.metrics.EWMA v;
long v;
double v, v;
v := @this: com.codahale.metrics.EWMA;
v := @parameter: java.util.concurrent.TimeUnit;
v = v.<com.codahale.metrics.EWMA: double rate>;
v = virtualinvoke v.<java.util.concurrent.TimeUnit: long toNanos(long)>(1L);
v = v * v;
return v;
}
static void <clinit>()
{
double v, v, v, v, v, v;
v = staticinvoke <java.lang.Math: double exp(double)>(-0.08333333333333333);
v = 1.0 - v;
<com.codahale.metrics.EWMA: double M1_ALPHA> = v;
v = staticinvoke <java.lang.Math: double exp(double)>(-0.016666666666666666);
v = 1.0 - v;
<com.codahale.metrics.EWMA: double M5_ALPHA> = v;
v = staticinvoke <java.lang.Math: double exp(double)>(-0.005555555555555555);
v = 1.0 - v;
<com.codahale.metrics.EWMA: double M15_ALPHA> = v;
return;
}
}