public final class org.apache.logging.log4j.core.util.CachedClock implements org.apache.logging.log4j.core.util.Clock
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.logging.log4j.core.util.CachedClock
  super_class: java.lang.Object
{
  private static final int UPDATE_THRESHOLD;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1000

  private static volatile org.apache.logging.log4j.core.util.CachedClock instance;
    descriptor: Lorg/apache/logging/log4j/core/util/CachedClock;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  private static final java.lang.Object INSTANCE_LOCK;
    descriptor: Ljava/lang/Object;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

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

  private short count;
    descriptor: S
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 32
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putstatic org.apache.logging.log4j.core.util.CachedClock.INSTANCE_LOCK:Ljava/lang/Object;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.apache.logging.log4j.core.util.CachedClock this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 33
            aload 0 /* this */
            invokestatic java.lang.System.currentTimeMillis:()J
            putfield org.apache.logging.log4j.core.util.CachedClock.millis:J
         2: .line 34
            aload 0 /* this */
            iconst_0
            putfield org.apache.logging.log4j.core.util.CachedClock.count:S
         3: .line 37
            new org.apache.logging.log4j.core.util.Log4jThread
            dup
            new org.apache.logging.log4j.core.util.CachedClock$1
            dup
            aload 0 /* this */
            invokespecial org.apache.logging.log4j.core.util.CachedClock$1.<init>:(Lorg/apache/logging/log4j/core/util/CachedClock;)V
         4: .line 48
            ldc "CachedClock Updater Thread"
         5: .line 37
            invokespecial org.apache.logging.log4j.core.util.Log4jThread.<init>:(Ljava/lang/Runnable;Ljava/lang/String;)V
            astore 1 /* updater */
        start local 1 // java.lang.Thread updater
         6: .line 49
            aload 1 /* updater */
            iconst_1
            invokevirtual java.lang.Thread.setDaemon:(Z)V
         7: .line 50
            aload 1 /* updater */
            invokevirtual java.lang.Thread.start:()V
         8: .line 51
            return
        end local 1 // java.lang.Thread updater
        end local 0 // org.apache.logging.log4j.core.util.CachedClock this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lorg/apache/logging/log4j/core/util/CachedClock;
            6    9     1  updater  Ljava/lang/Thread;

  public static org.apache.logging.log4j.core.util.CachedClock instance();
    descriptor: ()Lorg/apache/logging/log4j/core/util/CachedClock;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=0
         0: .line 55
            getstatic org.apache.logging.log4j.core.util.CachedClock.instance:Lorg/apache/logging/log4j/core/util/CachedClock;
            astore 0 /* result */
        start local 0 // org.apache.logging.log4j.core.util.CachedClock result
         1: .line 56
            aload 0 /* result */
            ifnonnull 10
         2: .line 57
            getstatic org.apache.logging.log4j.core.util.CachedClock.INSTANCE_LOCK:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         3: .line 58
            getstatic org.apache.logging.log4j.core.util.CachedClock.instance:Lorg/apache/logging/log4j/core/util/CachedClock;
            astore 0 /* result */
         4: .line 59
            aload 0 /* result */
            ifnonnull 6
         5: .line 60
            new org.apache.logging.log4j.core.util.CachedClock
            dup
            invokespecial org.apache.logging.log4j.core.util.CachedClock.<init>:()V
            dup
            astore 0 /* result */
            putstatic org.apache.logging.log4j.core.util.CachedClock.instance:Lorg/apache/logging/log4j/core/util/CachedClock;
         6: .line 57
      StackMap locals: org.apache.logging.log4j.core.util.CachedClock java.lang.Object
      StackMap stack:
            aload 1
            monitorexit
         7: goto 10
      StackMap locals:
      StackMap stack: java.lang.Throwable
         8: aload 1
            monitorexit
         9: athrow
        10: .line 64
      StackMap locals:
      StackMap stack:
            aload 0 /* result */
            areturn
        end local 0 // org.apache.logging.log4j.core.util.CachedClock result
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            1   11     0  result  Lorg/apache/logging/log4j/core/util/CachedClock;
      Exception table:
        from    to  target  type
           3     7       8  any
           8     9       8  any

  public long currentTimeMillis();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.util.CachedClock this
         0: .line 82
            aload 0 /* this */
            dup
            getfield org.apache.logging.log4j.core.util.CachedClock.count:S
            iconst_1
            iadd
            i2s
            dup_x1
            putfield org.apache.logging.log4j.core.util.CachedClock.count:S
            sipush 1000
            if_icmple 3
         1: .line 83
            aload 0 /* this */
            invokestatic java.lang.System.currentTimeMillis:()J
            putfield org.apache.logging.log4j.core.util.CachedClock.millis:J
         2: .line 84
            aload 0 /* this */
            iconst_0
            putfield org.apache.logging.log4j.core.util.CachedClock.count:S
         3: .line 86
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.util.CachedClock.millis:J
            lreturn
        end local 0 // org.apache.logging.log4j.core.util.CachedClock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/logging/log4j/core/util/CachedClock;
}
SourceFile: "CachedClock.java"
NestMembers:
  org.apache.logging.log4j.core.util.CachedClock$1
InnerClasses:
  org.apache.logging.log4j.core.util.CachedClock$1