http://metrics.dropwizard.io/metrics-core: Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
public class com.codahale.metrics.ExponentiallyDecayingReservoir implements com.codahale.metrics.Reservoir
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.codahale.metrics.ExponentiallyDecayingReservoir
  super_class: java.lang.Object
{
  private static final int DEFAULT_SIZE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1028

  private static final double DEFAULT_ALPHA;
    descriptor: D
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 0.015

  private static final long RESCALE_THRESHOLD;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.util.concurrent.ConcurrentSkipListMap<java.lang.Double, com.codahale.metrics.WeightedSnapshot$WeightedSample> values;
    descriptor: Ljava/util/concurrent/ConcurrentSkipListMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/ConcurrentSkipListMap<Ljava/lang/Double;Lcom/codahale/metrics/WeightedSnapshot$WeightedSample;>;

  private final java.util.concurrent.locks.ReentrantReadWriteLock lock;
    descriptor: Ljava/util/concurrent/locks/ReentrantReadWriteLock;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final double alpha;
    descriptor: D
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int size;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.concurrent.atomic.AtomicLong count;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile long startTime;
    descriptor: J
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private final java.util.concurrent.atomic.AtomicLong nextScaleTime;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final com.codahale.metrics.Clock clock;
    descriptor: Lcom/codahale/metrics/Clock;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 27
            getstatic java.util.concurrent.TimeUnit.HOURS:Ljava/util/concurrent/TimeUnit;
            lconst_1
            invokevirtual java.util.concurrent.TimeUnit.toNanos:(J)J
            putstatic com.codahale.metrics.ExponentiallyDecayingReservoir.RESCALE_THRESHOLD:J
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 44
            aload 0 /* this */
            sipush 1028
            ldc 0.015
            invokespecial com.codahale.metrics.ExponentiallyDecayingReservoir.<init>:(ID)V
         1: .line 45
            return
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;

  public void <init>(int, double);
    descriptor: (ID)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
        start local 1 // int size
        start local 2 // double alpha
         0: .line 55
            aload 0 /* this */
            iload 1 /* size */
            dload 2 /* alpha */
            invokestatic com.codahale.metrics.Clock.defaultClock:()Lcom/codahale/metrics/Clock;
            invokespecial com.codahale.metrics.ExponentiallyDecayingReservoir.<init>:(IDLcom/codahale/metrics/Clock;)V
         1: .line 56
            return
        end local 2 // double alpha
        end local 1 // int size
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            0    2     1   size  I
            0    2     2  alpha  D
    MethodParameters:
       Name  Flags
      size   
      alpha  

  public void <init>(int, double, com.codahale.metrics.Clock);
    descriptor: (IDLcom/codahale/metrics/Clock;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=5, args_size=4
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
        start local 1 // int size
        start local 2 // double alpha
        start local 4 // com.codahale.metrics.Clock clock
         0: .line 66
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 67
            aload 0 /* this */
            new java.util.concurrent.ConcurrentSkipListMap
            dup
            invokespecial java.util.concurrent.ConcurrentSkipListMap.<init>:()V
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
         2: .line 68
            aload 0 /* this */
            new java.util.concurrent.locks.ReentrantReadWriteLock
            dup
            invokespecial java.util.concurrent.locks.ReentrantReadWriteLock.<init>:()V
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.lock:Ljava/util/concurrent/locks/ReentrantReadWriteLock;
         3: .line 69
            aload 0 /* this */
            dload 2 /* alpha */
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.alpha:D
         4: .line 70
            aload 0 /* this */
            iload 1 /* size */
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.size:I
         5: .line 71
            aload 0 /* this */
            aload 4 /* clock */
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.clock:Lcom/codahale/metrics/Clock;
         6: .line 72
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicLong
            dup
            lconst_0
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:(J)V
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.count:Ljava/util/concurrent/atomic/AtomicLong;
         7: .line 73
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.currentTimeInSeconds:()J
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.startTime:J
         8: .line 74
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicLong
            dup
            aload 4 /* clock */
            invokevirtual com.codahale.metrics.Clock.getTick:()J
            getstatic com.codahale.metrics.ExponentiallyDecayingReservoir.RESCALE_THRESHOLD:J
            ladd
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:(J)V
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.nextScaleTime:Ljava/util/concurrent/atomic/AtomicLong;
         9: .line 75
            return
        end local 4 // com.codahale.metrics.Clock clock
        end local 2 // double alpha
        end local 1 // int size
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   10     0   this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            0   10     1   size  I
            0   10     2  alpha  D
            0   10     4  clock  Lcom/codahale/metrics/Clock;
    MethodParameters:
       Name  Flags
      size   
      alpha  
      clock  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 79
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.size:I
            i2l
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.count:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
            invokestatic java.lang.Math.min:(JJ)J
            l2i
            ireturn
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;

  public void update(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
        start local 1 // long value
         0: .line 84
            aload 0 /* this */
            lload 1 /* value */
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.currentTimeInSeconds:()J
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.update:(JJ)V
         1: .line 85
            return
        end local 1 // long value
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            0    2     1  value  J
    MethodParameters:
       Name  Flags
      value  

  public void update(long, long);
    descriptor: (JJ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=14, args_size=3
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
        start local 1 // long value
        start local 3 // long timestamp
         0: .line 94
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.rescaleIfNeeded:()V
         1: .line 95
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.lockForRegularUsage:()V
         2: .line 97
            aload 0 /* this */
            lload 3 /* timestamp */
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.startTime:J
            lsub
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.weight:(J)D
            dstore 5 /* itemWeight */
        start local 5 // double itemWeight
         3: .line 98
            new com.codahale.metrics.WeightedSnapshot$WeightedSample
            dup
            lload 1 /* value */
            dload 5 /* itemWeight */
            invokespecial com.codahale.metrics.WeightedSnapshot$WeightedSample.<init>:(JD)V
            astore 7 /* sample */
        start local 7 // com.codahale.metrics.WeightedSnapshot$WeightedSample sample
         4: .line 99
            dload 5 /* itemWeight */
            invokestatic java.util.concurrent.ThreadLocalRandom.current:()Ljava/util/concurrent/ThreadLocalRandom;
            invokevirtual java.util.concurrent.ThreadLocalRandom.nextDouble:()D
            ddiv
            dstore 8 /* priority */
        start local 8 // double priority
         5: .line 101
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.count:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.incrementAndGet:()J
            lstore 10 /* newCount */
        start local 10 // long newCount
         6: .line 102
            lload 10 /* newCount */
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.size:I
            i2l
            lcmp
            ifle 7
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.isEmpty:()Z
            ifeq 9
         7: .line 103
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long double com.codahale.metrics.WeightedSnapshot$WeightedSample double long
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            dload 8 /* priority */
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            aload 7 /* sample */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 104
            goto 18
         9: .line 105
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.firstKey:()Ljava/lang/Object;
            checkcast java.lang.Double
            astore 12 /* first */
        start local 12 // java.lang.Double first
        10: .line 106
            aload 12 /* first */
            invokevirtual java.lang.Double.doubleValue:()D
            dload 8 /* priority */
            dcmpg
            ifge 18
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            dload 8 /* priority */
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            aload 7 /* sample */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            ifnonnull 18
        11: .line 108
            goto 13
        12: .line 109
      StackMap locals: java.lang.Double
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.firstKey:()Ljava/lang/Object;
            checkcast java.lang.Double
            astore 12 /* first */
        13: .line 108
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            aload 12 /* first */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 12
        end local 12 // java.lang.Double first
        end local 10 // long newCount
        end local 8 // double priority
        end local 7 // com.codahale.metrics.WeightedSnapshot$WeightedSample sample
        end local 5 // double itemWeight
        14: .line 113
            goto 18
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long
      StackMap stack: java.lang.Throwable
        15: astore 13
        16: .line 114
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.unlockForRegularUsage:()V
        17: .line 115
            aload 13
            athrow
        18: .line 114
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.unlockForRegularUsage:()V
        19: .line 116
            return
        end local 3 // long timestamp
        end local 1 // long value
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   20     0        this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            0   20     1       value  J
            0   20     3   timestamp  J
            3   14     5  itemWeight  D
            4   14     7      sample  Lcom/codahale/metrics/WeightedSnapshot$WeightedSample;
            5   14     8    priority  D
            6   14    10    newCount  J
           10   14    12       first  Ljava/lang/Double;
      Exception table:
        from    to  target  type
           2    15      15  any
    MethodParameters:
           Name  Flags
      value      
      timestamp  

  private void rescaleIfNeeded();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=5, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 119
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.clock:Lcom/codahale/metrics/Clock;
            invokevirtual com.codahale.metrics.Clock.getTick:()J
            lstore 1 /* now */
        start local 1 // long now
         1: .line 120
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.nextScaleTime:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
            lstore 3 /* next */
        start local 3 // long next
         2: .line 121
            lload 1 /* now */
            lload 3 /* next */
            lcmp
            iflt 4
         3: .line 122
            aload 0 /* this */
            lload 1 /* now */
            lload 3 /* next */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.rescale:(JJ)V
         4: .line 124
      StackMap locals: long long
      StackMap stack:
            return
        end local 3 // long next
        end local 1 // long now
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            1    5     1   now  J
            2    5     3  next  J

  public com.codahale.metrics.Snapshot getSnapshot();
    descriptor: ()Lcom/codahale/metrics/Snapshot;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 128
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.rescaleIfNeeded:()V
         1: .line 129
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.lockForRegularUsage:()V
         2: .line 131
            new com.codahale.metrics.WeightedSnapshot
            dup
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.values:()Ljava/util/Collection;
            invokespecial com.codahale.metrics.WeightedSnapshot.<init>:(Ljava/util/Collection;)V
            astore 2
         3: .line 133
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.unlockForRegularUsage:()V
         4: .line 131
            aload 2
            areturn
         5: .line 132
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1
         6: .line 133
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.unlockForRegularUsage:()V
         7: .line 134
            aload 1
            athrow
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
      Exception table:
        from    to  target  type
           2     3       5  any

  private long currentTimeInSeconds();
    descriptor: ()J
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 138
            getstatic java.util.concurrent.TimeUnit.MILLISECONDS:Ljava/util/concurrent/TimeUnit;
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.clock:Lcom/codahale/metrics/Clock;
            invokevirtual com.codahale.metrics.Clock.getTime:()J
            invokevirtual java.util.concurrent.TimeUnit.toSeconds:(J)J
            lreturn
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;

  private double weight(long);
    descriptor: (J)D
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
        start local 1 // long t
         0: .line 142
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.alpha:D
            lload 1 /* t */
            l2d
            dmul
            invokestatic java.lang.Math.exp:(D)D
            dreturn
        end local 1 // long t
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            0    1     1     t  J
    MethodParameters:
      Name  Flags
      t     

  private void rescale(long, long);
    descriptor: (JJ)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=8, locals=15, args_size=3
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
        start local 1 // long now
        start local 3 // long next
         0: .line 164
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.lockForRescale:()V
         1: .line 166
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.nextScaleTime:Ljava/util/concurrent/atomic/AtomicLong;
            lload 3 /* next */
            lload 1 /* now */
            getstatic com.codahale.metrics.ExponentiallyDecayingReservoir.RESCALE_THRESHOLD:J
            ladd
            invokevirtual java.util.concurrent.atomic.AtomicLong.compareAndSet:(JJ)Z
            ifeq 22
         2: .line 167
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.startTime:J
            lstore 5 /* oldStartTime */
        start local 5 // long oldStartTime
         3: .line 168
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.currentTimeInSeconds:()J
            putfield com.codahale.metrics.ExponentiallyDecayingReservoir.startTime:J
         4: .line 169
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.alpha:D
            dneg
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.startTime:J
            lload 5 /* oldStartTime */
            lsub
            l2d
            dmul
            invokestatic java.lang.Math.exp:(D)D
            dstore 7 /* scalingFactor */
        start local 7 // double scalingFactor
         5: .line 170
            dload 7 /* scalingFactor */
            dconst_0
            invokestatic java.lang.Double.compare:(DD)I
            ifne 8
         6: .line 171
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.clear:()V
         7: .line 172
            goto 17
         8: .line 173
      StackMap locals: long double
      StackMap stack:
            new java.util.ArrayList
            dup
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.keySet:()Ljava/util/NavigableSet;
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            astore 9 /* keys */
        start local 9 // java.util.ArrayList keys
         9: .line 174
            aload 9 /* keys */
            invokevirtual java.util.ArrayList.iterator:()Ljava/util/Iterator;
            astore 11
            goto 16
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long long double java.util.ArrayList top java.util.Iterator
      StackMap stack:
        10: aload 11
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.Double
            astore 10 /* key */
        start local 10 // java.lang.Double key
        11: .line 175
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            aload 10 /* key */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.codahale.metrics.WeightedSnapshot$WeightedSample
            astore 12 /* sample */
        start local 12 // com.codahale.metrics.WeightedSnapshot$WeightedSample sample
        12: .line 176
            new com.codahale.metrics.WeightedSnapshot$WeightedSample
            dup
            aload 12 /* sample */
            getfield com.codahale.metrics.WeightedSnapshot$WeightedSample.value:J
            aload 12 /* sample */
            getfield com.codahale.metrics.WeightedSnapshot$WeightedSample.weight:D
            dload 7 /* scalingFactor */
            dmul
            invokespecial com.codahale.metrics.WeightedSnapshot$WeightedSample.<init>:(JD)V
            astore 13 /* newSample */
        start local 13 // com.codahale.metrics.WeightedSnapshot$WeightedSample newSample
        13: .line 177
            aload 13 /* newSample */
            getfield com.codahale.metrics.WeightedSnapshot$WeightedSample.weight:D
            dconst_0
            invokestatic java.lang.Double.compare:(DD)I
            ifne 15
        14: .line 178
            goto 16
        15: .line 180
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long long double java.util.ArrayList java.lang.Double java.util.Iterator com.codahale.metrics.WeightedSnapshot$WeightedSample com.codahale.metrics.WeightedSnapshot$WeightedSample
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            aload 10 /* key */
            invokevirtual java.lang.Double.doubleValue:()D
            dload 7 /* scalingFactor */
            dmul
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            aload 13 /* newSample */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 13 // com.codahale.metrics.WeightedSnapshot$WeightedSample newSample
        end local 12 // com.codahale.metrics.WeightedSnapshot$WeightedSample sample
        end local 10 // java.lang.Double key
        16: .line 174
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long long double java.util.ArrayList top java.util.Iterator
      StackMap stack:
            aload 11
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 10
        end local 9 // java.util.ArrayList keys
        17: .line 185
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long long double
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.count:Ljava/util/concurrent/atomic/AtomicLong;
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.values:Ljava/util/concurrent/ConcurrentSkipListMap;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.size:()I
            i2l
            invokevirtual java.util.concurrent.atomic.AtomicLong.set:(J)V
        end local 7 // double scalingFactor
        end local 5 // long oldStartTime
        18: .line 187
            goto 22
      StackMap locals: com.codahale.metrics.ExponentiallyDecayingReservoir long long
      StackMap stack: java.lang.Throwable
        19: astore 14
        20: .line 188
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.unlockForRescale:()V
        21: .line 189
            aload 14
            athrow
        22: .line 188
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual com.codahale.metrics.ExponentiallyDecayingReservoir.unlockForRescale:()V
        23: .line 190
            return
        end local 3 // long next
        end local 1 // long now
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   24     0           this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
            0   24     1            now  J
            0   24     3           next  J
            3   18     5   oldStartTime  J
            5   18     7  scalingFactor  D
            9   17     9           keys  Ljava/util/ArrayList<Ljava/lang/Double;>;
           11   16    10            key  Ljava/lang/Double;
           12   16    12         sample  Lcom/codahale/metrics/WeightedSnapshot$WeightedSample;
           13   16    13      newSample  Lcom/codahale/metrics/WeightedSnapshot$WeightedSample;
      Exception table:
        from    to  target  type
           1    19      19  any
    MethodParameters:
      Name  Flags
      now   
      next  

  private void unlockForRescale();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 193
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.lock:Ljava/util/concurrent/locks/ReentrantReadWriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock.writeLock:()Ljava/util/concurrent/locks/ReentrantReadWriteLock$WriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.unlock:()V
         1: .line 194
            return
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;

  private void lockForRescale();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 197
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.lock:Ljava/util/concurrent/locks/ReentrantReadWriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock.writeLock:()Ljava/util/concurrent/locks/ReentrantReadWriteLock$WriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock:()V
         1: .line 198
            return
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;

  private void lockForRegularUsage();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 201
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.lock:Ljava/util/concurrent/locks/ReentrantReadWriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock.readLock:()Ljava/util/concurrent/locks/ReentrantReadWriteLock$ReadLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock:()V
         1: .line 202
            return
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;

  private void unlockForRegularUsage();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
         0: .line 205
            aload 0 /* this */
            getfield com.codahale.metrics.ExponentiallyDecayingReservoir.lock:Ljava/util/concurrent/locks/ReentrantReadWriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock.readLock:()Ljava/util/concurrent/locks/ReentrantReadWriteLock$ReadLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.unlock:()V
         1: .line 206
            return
        end local 0 // com.codahale.metrics.ExponentiallyDecayingReservoir this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/codahale/metrics/ExponentiallyDecayingReservoir;
}
SourceFile: "ExponentiallyDecayingReservoir.java"
InnerClasses:
  public WeightedSample = com.codahale.metrics.WeightedSnapshot$WeightedSample of com.codahale.metrics.WeightedSnapshot
  public ReadLock = java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock of java.util.concurrent.locks.ReentrantReadWriteLock
  public WriteLock = java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock of java.util.concurrent.locks.ReentrantReadWriteLock