https://projects.eclipse.org/projects/ee4j.grizzly/grizzly-websockets-server: Grizzly Bill of Materials (BOM) (Oracle Corporation) 
public class org.glassfish.grizzly.utils.DelayedExecutor
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.glassfish.grizzly.utils.DelayedExecutor
  super_class: java.lang.Object
{
  public static final long UNSET_TIMEOUT;
    descriptor: J
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

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

  private final org.glassfish.grizzly.utils.DelayedExecutor$DelayedRunnable runnable;
    descriptor: Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayedRunnable;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.Queue<org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue> queues;
    descriptor: Ljava/util/Queue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Queue<Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayQueue;>;

  private final java.lang.Object sync;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile boolean isStarted;
    descriptor: Z
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private final long checkIntervalMillis;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.util.concurrent.ExecutorService);
    descriptor: (Ljava/util/concurrent/ExecutorService;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
        start local 1 // java.util.concurrent.ExecutorService threadPool
         0: .line 47
            aload 0 /* this */
            aload 1 /* threadPool */
            ldc 1000
            getstatic java.util.concurrent.TimeUnit.MILLISECONDS:Ljava/util/concurrent/TimeUnit;
            invokespecial org.glassfish.grizzly.utils.DelayedExecutor.<init>:(Ljava/util/concurrent/ExecutorService;JLjava/util/concurrent/TimeUnit;)V
         1: .line 48
            return
        end local 1 // java.util.concurrent.ExecutorService threadPool
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lorg/glassfish/grizzly/utils/DelayedExecutor;
            0    2     1  threadPool  Ljava/util/concurrent/ExecutorService;
    MethodParameters:
            Name  Flags
      threadPool  final

  public void <init>(java.util.concurrent.ExecutorService, long, java.util.concurrent.TimeUnit);
    descriptor: (Ljava/util/concurrent/ExecutorService;JLjava/util/concurrent/TimeUnit;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
        start local 1 // java.util.concurrent.ExecutorService threadPool
        start local 2 // long checkInterval
        start local 4 // java.util.concurrent.TimeUnit timeunit
         0: .line 50
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 36
            aload 0 /* this */
            new org.glassfish.grizzly.utils.DelayedExecutor$DelayedRunnable
            dup
            aload 0 /* this */
            invokespecial org.glassfish.grizzly.utils.DelayedExecutor$DelayedRunnable.<init>:(Lorg/glassfish/grizzly/utils/DelayedExecutor;)V
            putfield org.glassfish.grizzly.utils.DelayedExecutor.runnable:Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayedRunnable;
         2: .line 38
            aload 0 /* this */
            new java.util.concurrent.ConcurrentLinkedQueue
            dup
            invokespecial java.util.concurrent.ConcurrentLinkedQueue.<init>:()V
            putfield org.glassfish.grizzly.utils.DelayedExecutor.queues:Ljava/util/Queue;
         3: .line 40
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield org.glassfish.grizzly.utils.DelayedExecutor.sync:Ljava/lang/Object;
         4: .line 51
            lload 2 /* checkInterval */
            lconst_0
            lcmp
            ifge 6
         5: .line 52
            new java.lang.IllegalArgumentException
            dup
            ldc "check interval can't be negative"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 55
      StackMap locals: org.glassfish.grizzly.utils.DelayedExecutor java.util.concurrent.ExecutorService long java.util.concurrent.TimeUnit
      StackMap stack:
            aload 0 /* this */
            aload 1 /* threadPool */
            putfield org.glassfish.grizzly.utils.DelayedExecutor.threadPool:Ljava/util/concurrent/ExecutorService;
         7: .line 56
            aload 0 /* this */
            getstatic java.util.concurrent.TimeUnit.MILLISECONDS:Ljava/util/concurrent/TimeUnit;
            lload 2 /* checkInterval */
            aload 4 /* timeunit */
            invokevirtual java.util.concurrent.TimeUnit.convert:(JLjava/util/concurrent/TimeUnit;)J
            putfield org.glassfish.grizzly.utils.DelayedExecutor.checkIntervalMillis:J
         8: .line 57
            return
        end local 4 // java.util.concurrent.TimeUnit timeunit
        end local 2 // long checkInterval
        end local 1 // java.util.concurrent.ExecutorService threadPool
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Lorg/glassfish/grizzly/utils/DelayedExecutor;
            0    9     1     threadPool  Ljava/util/concurrent/ExecutorService;
            0    9     2  checkInterval  J
            0    9     4       timeunit  Ljava/util/concurrent/TimeUnit;
    MethodParameters:
               Name  Flags
      threadPool     final
      checkInterval  final
      timeunit       final

  public void start();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
         0: .line 60
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.sync:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 61
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.isStarted:Z
            ifne 4
         2: .line 62
            aload 0 /* this */
            iconst_1
            putfield org.glassfish.grizzly.utils.DelayedExecutor.isStarted:Z
         3: .line 63
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.threadPool:Ljava/util/concurrent/ExecutorService;
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.runnable:Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayedRunnable;
            invokeinterface java.util.concurrent.ExecutorService.execute:(Ljava/lang/Runnable;)V
         4: .line 60
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 1
            monitorexit
         5: goto 8
      StackMap locals:
      StackMap stack: java.lang.Throwable
         6: aload 1
            monitorexit
         7: athrow
         8: .line 66
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/glassfish/grizzly/utils/DelayedExecutor;
      Exception table:
        from    to  target  type
           1     5       6  any
           6     7       6  any

  public void stop();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
         0: .line 69
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.sync:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 70
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.isStarted:Z
            ifeq 4
         2: .line 71
            aload 0 /* this */
            iconst_0
            putfield org.glassfish.grizzly.utils.DelayedExecutor.isStarted:Z
         3: .line 72
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.sync:Ljava/lang/Object;
            invokevirtual java.lang.Object.notify:()V
         4: .line 69
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 1
            monitorexit
         5: goto 8
      StackMap locals:
      StackMap stack: java.lang.Throwable
         6: aload 1
            monitorexit
         7: athrow
         8: .line 75
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/glassfish/grizzly/utils/DelayedExecutor;
      Exception table:
        from    to  target  type
           1     5       6  any
           6     7       6  any

  public void destroy();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
         0: .line 78
            aload 0 /* this */
            invokevirtual org.glassfish.grizzly.utils.DelayedExecutor.stop:()V
         1: .line 79
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.sync:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         2: .line 80
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.queues:Ljava/util/Queue;
            invokeinterface java.util.Queue.clear:()V
         3: .line 79
            aload 1
            monitorexit
         4: goto 7
      StackMap locals: org.glassfish.grizzly.utils.DelayedExecutor java.lang.Object
      StackMap stack: java.lang.Throwable
         5: aload 1
            monitorexit
         6: athrow
         7: .line 82
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/glassfish/grizzly/utils/DelayedExecutor;
      Exception table:
        from    to  target  type
           2     4       5  any
           5     6       5  any

  public java.util.concurrent.ExecutorService getThreadPool();
    descriptor: ()Ljava/util/concurrent/ExecutorService;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
         0: .line 86
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.threadPool:Ljava/util/concurrent/ExecutorService;
            areturn
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/glassfish/grizzly/utils/DelayedExecutor;

  public <E> org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue<E> createDelayQueue(org.glassfish.grizzly.utils.DelayedExecutor$Worker<E>, org.glassfish.grizzly.utils.DelayedExecutor$Resolver<E>);
    descriptor: (Lorg/glassfish/grizzly/utils/DelayedExecutor$Worker;Lorg/glassfish/grizzly/utils/DelayedExecutor$Resolver;)Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayQueue;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
        start local 1 // org.glassfish.grizzly.utils.DelayedExecutor$Worker worker
        start local 2 // org.glassfish.grizzly.utils.DelayedExecutor$Resolver resolver
         0: .line 91
            new org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue
            dup
            aload 0 /* this */
            aload 1 /* worker */
            aload 2 /* resolver */
            invokespecial org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue.<init>:(Lorg/glassfish/grizzly/utils/DelayedExecutor;Lorg/glassfish/grizzly/utils/DelayedExecutor$Worker;Lorg/glassfish/grizzly/utils/DelayedExecutor$Resolver;)V
            astore 3 /* queue */
        start local 3 // org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue queue
         1: .line 93
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.DelayedExecutor.queues:Ljava/util/Queue;
            aload 3 /* queue */
            invokeinterface java.util.Queue.add:(Ljava/lang/Object;)Z
            pop
         2: .line 95
            aload 3 /* queue */
            areturn
        end local 3 // org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue queue
        end local 2 // org.glassfish.grizzly.utils.DelayedExecutor$Resolver resolver
        end local 1 // org.glassfish.grizzly.utils.DelayedExecutor$Worker worker
        end local 0 // org.glassfish.grizzly.utils.DelayedExecutor this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/glassfish/grizzly/utils/DelayedExecutor;
            0    3     1    worker  Lorg/glassfish/grizzly/utils/DelayedExecutor$Worker<TE;>;
            0    3     2  resolver  Lorg/glassfish/grizzly/utils/DelayedExecutor$Resolver<TE;>;
            1    3     3     queue  Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayQueue<TE;>;
    Signature: <E:Ljava/lang/Object;>(Lorg/glassfish/grizzly/utils/DelayedExecutor$Worker<TE;>;Lorg/glassfish/grizzly/utils/DelayedExecutor$Resolver<TE;>;)Lorg/glassfish/grizzly/utils/DelayedExecutor$DelayQueue<TE;>;
    MethodParameters:
          Name  Flags
      worker    final
      resolver  final

  private static boolean wasModified(long, long);
    descriptor: (JJ)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // long l1
        start local 2 // long l2
         0: .line 99
            lload 0 /* l1 */
            lload 2 /* l2 */
            lcmp
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 2 // long l2
        end local 0 // long l1
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0    l1  J
            0    2     2    l2  J
    MethodParameters:
      Name  Flags
      l1    final
      l2    final
}
SourceFile: "DelayedExecutor.java"
NestMembers:
  org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue  org.glassfish.grizzly.utils.DelayedExecutor$DelayedRunnable  org.glassfish.grizzly.utils.DelayedExecutor$Resolver  org.glassfish.grizzly.utils.DelayedExecutor$Worker
InnerClasses:
  public DelayQueue = org.glassfish.grizzly.utils.DelayedExecutor$DelayQueue of org.glassfish.grizzly.utils.DelayedExecutor
  private DelayedRunnable = org.glassfish.grizzly.utils.DelayedExecutor$DelayedRunnable of org.glassfish.grizzly.utils.DelayedExecutor
  public abstract Resolver = org.glassfish.grizzly.utils.DelayedExecutor$Resolver of org.glassfish.grizzly.utils.DelayedExecutor
  public abstract Worker = org.glassfish.grizzly.utils.DelayedExecutor$Worker of org.glassfish.grizzly.utils.DelayedExecutor