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 
class com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable<T> implements java.util.concurrent.Callable<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable
  super_class: java.lang.Object
{
  private final java.util.concurrent.Callable<T> task;
    descriptor: Ljava/util/concurrent/Callable;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/Callable<TT;>;

  final com.codahale.metrics.InstrumentedScheduledExecutorService this$0;
    descriptor: Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(java.util.concurrent.Callable<T>);
    descriptor: (Lcom/codahale/metrics/InstrumentedScheduledExecutorService;Ljava/util/concurrent/Callable;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable this
        start local 2 // java.util.concurrent.Callable task
         0: .line 280
            aload 0 /* this */
            aload 1
            putfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 281
            aload 0 /* this */
            aload 2 /* task */
            putfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.task:Ljava/util/concurrent/Callable;
         2: .line 282
            return
        end local 2 // java.util.concurrent.Callable task
        end local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/codahale/metrics/InstrumentedScheduledExecutorService$InstrumentedCallable<TT;>;
            0    3     2  task  Ljava/util/concurrent/Callable<TT;>;
    Signature: (Ljava/util/concurrent/Callable<TT;>;)V
    MethodParameters:
        Name  Flags
      this$0  final
      task    

  public T call();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable this
         0: .line 286
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.running:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.inc:()V
         1: .line 287
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.duration:Lcom/codahale/metrics/Timer;
            invokevirtual com.codahale.metrics.Timer.time:()Lcom/codahale/metrics/Timer$Context;
            astore 1 /* context */
        start local 1 // com.codahale.metrics.Timer$Context context
         2: .line 289
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.task:Ljava/util/concurrent/Callable;
            invokeinterface java.util.concurrent.Callable.call:()Ljava/lang/Object;
            astore 3
         3: .line 291
            aload 1 /* context */
            invokevirtual com.codahale.metrics.Timer$Context.stop:()J
            pop2
         4: .line 292
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.running:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.dec:()V
         5: .line 293
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.completed:Lcom/codahale/metrics/Meter;
            invokevirtual com.codahale.metrics.Meter.mark:()V
         6: .line 289
            aload 3
            areturn
         7: .line 290
      StackMap locals: com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable com.codahale.metrics.Timer$Context
      StackMap stack: java.lang.Throwable
            astore 2
         8: .line 291
            aload 1 /* context */
            invokevirtual com.codahale.metrics.Timer$Context.stop:()J
            pop2
         9: .line 292
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.running:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.dec:()V
        10: .line 293
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.completed:Lcom/codahale/metrics/Meter;
            invokevirtual com.codahale.metrics.Meter.mark:()V
        11: .line 294
            aload 2
            athrow
        end local 1 // com.codahale.metrics.Timer$Context context
        end local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   12     0     this  Lcom/codahale/metrics/InstrumentedScheduledExecutorService$InstrumentedCallable<TT;>;
            2   12     1  context  Lcom/codahale/metrics/Timer$Context;
      Exception table:
        from    to  target  type
           2     3       7  any
    Exceptions:
      throws java.lang.Exception
    Signature: ()TT;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/concurrent/Callable<TT;>;
SourceFile: "InstrumentedScheduledExecutorService.java"
NestHost: com.codahale.metrics.InstrumentedScheduledExecutorService
InnerClasses:
  private InstrumentedCallable = com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedCallable of com.codahale.metrics.InstrumentedScheduledExecutorService
  public Context = com.codahale.metrics.Timer$Context of com.codahale.metrics.Timer