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.InstrumentedThreadFactory implements java.util.concurrent.ThreadFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.codahale.metrics.InstrumentedThreadFactory
  super_class: java.lang.Object
{
  private static final java.util.concurrent.atomic.AtomicLong NAME_COUNTER;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.util.concurrent.ThreadFactory delegate;
    descriptor: Ljava/util/concurrent/ThreadFactory;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 13
            new java.util.concurrent.atomic.AtomicLong
            dup
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:()V
            putstatic com.codahale.metrics.InstrumentedThreadFactory.NAME_COUNTER:Ljava/util/concurrent/atomic/AtomicLong;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.util.concurrent.ThreadFactory, com.codahale.metrics.MetricRegistry);
    descriptor: (Ljava/util/concurrent/ThreadFactory;Lcom/codahale/metrics/MetricRegistry;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=3, args_size=3
        start local 0 // com.codahale.metrics.InstrumentedThreadFactory this
        start local 1 // java.util.concurrent.ThreadFactory delegate
        start local 2 // com.codahale.metrics.MetricRegistry registry
         0: .line 27
            aload 0 /* this */
            aload 1 /* delegate */
            aload 2 /* registry */
            new java.lang.StringBuilder
            dup
            ldc "instrumented-thread-delegate-"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            getstatic com.codahale.metrics.InstrumentedThreadFactory.NAME_COUNTER:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.incrementAndGet:()J
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial com.codahale.metrics.InstrumentedThreadFactory.<init>:(Ljava/util/concurrent/ThreadFactory;Lcom/codahale/metrics/MetricRegistry;Ljava/lang/String;)V
         1: .line 28
            return
        end local 2 // com.codahale.metrics.MetricRegistry registry
        end local 1 // java.util.concurrent.ThreadFactory delegate
        end local 0 // com.codahale.metrics.InstrumentedThreadFactory this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lcom/codahale/metrics/InstrumentedThreadFactory;
            0    2     1  delegate  Ljava/util/concurrent/ThreadFactory;
            0    2     2  registry  Lcom/codahale/metrics/MetricRegistry;
    MethodParameters:
          Name  Flags
      delegate  
      registry  

  public void <init>(java.util.concurrent.ThreadFactory, com.codahale.metrics.MetricRegistry, java.lang.String);
    descriptor: (Ljava/util/concurrent/ThreadFactory;Lcom/codahale/metrics/MetricRegistry;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=4, args_size=4
        start local 0 // com.codahale.metrics.InstrumentedThreadFactory this
        start local 1 // java.util.concurrent.ThreadFactory delegate
        start local 2 // com.codahale.metrics.MetricRegistry registry
        start local 3 // java.lang.String name
         0: .line 37
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 38
            aload 0 /* this */
            aload 1 /* delegate */
            putfield com.codahale.metrics.InstrumentedThreadFactory.delegate:Ljava/util/concurrent/ThreadFactory;
         2: .line 39
            aload 0 /* this */
            aload 2 /* registry */
            aload 3 /* name */
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            ldc "created"
            aastore
            invokestatic com.codahale.metrics.MetricRegistry.name:(Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/String;
            invokevirtual com.codahale.metrics.MetricRegistry.meter:(Ljava/lang/String;)Lcom/codahale/metrics/Meter;
            putfield com.codahale.metrics.InstrumentedThreadFactory.created:Lcom/codahale/metrics/Meter;
         3: .line 40
            aload 0 /* this */
            aload 2 /* registry */
            aload 3 /* name */
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            ldc "running"
            aastore
            invokestatic com.codahale.metrics.MetricRegistry.name:(Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/String;
            invokevirtual com.codahale.metrics.MetricRegistry.counter:(Ljava/lang/String;)Lcom/codahale/metrics/Counter;
            putfield com.codahale.metrics.InstrumentedThreadFactory.running:Lcom/codahale/metrics/Counter;
         4: .line 41
            aload 0 /* this */
            aload 2 /* registry */
            aload 3 /* name */
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            ldc "terminated"
            aastore
            invokestatic com.codahale.metrics.MetricRegistry.name:(Ljava/lang/String;[Ljava/lang/String;)Ljava/lang/String;
            invokevirtual com.codahale.metrics.MetricRegistry.meter:(Ljava/lang/String;)Lcom/codahale/metrics/Meter;
            putfield com.codahale.metrics.InstrumentedThreadFactory.terminated:Lcom/codahale/metrics/Meter;
         5: .line 42
            return
        end local 3 // java.lang.String name
        end local 2 // com.codahale.metrics.MetricRegistry registry
        end local 1 // java.util.concurrent.ThreadFactory delegate
        end local 0 // com.codahale.metrics.InstrumentedThreadFactory this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lcom/codahale/metrics/InstrumentedThreadFactory;
            0    6     1  delegate  Ljava/util/concurrent/ThreadFactory;
            0    6     2  registry  Lcom/codahale/metrics/MetricRegistry;
            0    6     3      name  Ljava/lang/String;
    MethodParameters:
          Name  Flags
      delegate  
      registry  
      name      

  public java.lang.Thread newThread(java.lang.Runnable);
    descriptor: (Ljava/lang/Runnable;)Ljava/lang/Thread;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // com.codahale.metrics.InstrumentedThreadFactory this
        start local 1 // java.lang.Runnable runnable
         0: .line 49
            new com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable
            dup
            aload 0 /* this */
            aload 1 /* runnable */
            invokespecial com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.<init>:(Lcom/codahale/metrics/InstrumentedThreadFactory;Ljava/lang/Runnable;)V
            astore 2 /* wrappedRunnable */
        start local 2 // java.lang.Runnable wrappedRunnable
         1: .line 50
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedThreadFactory.delegate:Ljava/util/concurrent/ThreadFactory;
            aload 2 /* wrappedRunnable */
            invokeinterface java.util.concurrent.ThreadFactory.newThread:(Ljava/lang/Runnable;)Ljava/lang/Thread;
            astore 3 /* thread */
        start local 3 // java.lang.Thread thread
         2: .line 51
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedThreadFactory.created:Lcom/codahale/metrics/Meter;
            invokevirtual com.codahale.metrics.Meter.mark:()V
         3: .line 52
            aload 3 /* thread */
            areturn
        end local 3 // java.lang.Thread thread
        end local 2 // java.lang.Runnable wrappedRunnable
        end local 1 // java.lang.Runnable runnable
        end local 0 // com.codahale.metrics.InstrumentedThreadFactory this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0             this  Lcom/codahale/metrics/InstrumentedThreadFactory;
            0    4     1         runnable  Ljava/lang/Runnable;
            1    4     2  wrappedRunnable  Ljava/lang/Runnable;
            2    4     3           thread  Ljava/lang/Thread;
    MethodParameters:
          Name  Flags
      runnable  
}
SourceFile: "InstrumentedThreadFactory.java"
NestMembers:
  com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable
InnerClasses:
  private InstrumentedRunnable = com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable of com.codahale.metrics.InstrumentedThreadFactory