public class org.apache.cassandra.scheduler.RoundRobinScheduler implements org.apache.cassandra.scheduler.IRequestScheduler
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.scheduler.RoundRobinScheduler
  super_class: java.lang.Object
{
  private static final org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final org.cliffc.high_scale_lib.NonBlockingHashMap<java.lang.String, org.apache.cassandra.scheduler.WeightedQueue> queues;
    descriptor: Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Lorg/cliffc/high_scale_lib/NonBlockingHashMap<Ljava/lang/String;Lorg/apache/cassandra/scheduler/WeightedQueue;>;

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

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

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

  private final java.util.Map<java.lang.String, java.lang.Integer> weights;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/String;Ljava/lang/Integer;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 40
            ldc Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.scheduler.RoundRobinScheduler.logger:Lorg/slf4j/Logger;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.apache.cassandra.config.RequestSchedulerOptions);
    descriptor: (Lorg/apache/cassandra/config/RequestSchedulerOptions;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
        start local 1 // org.apache.cassandra.config.RequestSchedulerOptions options
         0: .line 54
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 49
            aload 0 /* this */
            new java.util.concurrent.Semaphore
            dup
            iconst_0
            iconst_0
            invokespecial java.util.concurrent.Semaphore.<init>:(IZ)V
            putfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
         2: .line 56
            aload 0 /* this */
            aload 1 /* options */
            getfield org.apache.cassandra.config.RequestSchedulerOptions.default_weight:Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            putfield org.apache.cassandra.scheduler.RoundRobinScheduler.defaultWeight:I
         3: .line 57
            aload 0 /* this */
            aload 1 /* options */
            getfield org.apache.cassandra.config.RequestSchedulerOptions.weights:Ljava/util/Map;
            putfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
         4: .line 60
            aload 0 /* this */
            new java.util.concurrent.Semaphore
            dup
            aload 1 /* options */
            getfield org.apache.cassandra.config.RequestSchedulerOptions.throttle_limit:Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            iconst_1
            isub
            invokespecial java.util.concurrent.Semaphore.<init>:(I)V
            putfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
         5: .line 62
            aload 0 /* this */
            new org.cliffc.high_scale_lib.NonBlockingHashMap
            dup
            invokespecial org.cliffc.high_scale_lib.NonBlockingHashMap.<init>:()V
            putfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
         6: .line 63
            aload 0 /* this */
            invokedynamic run(Lorg/apache/cassandra/scheduler/RoundRobinScheduler;)Ljava/lang/Runnable;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()V
                  org/apache/cassandra/scheduler/RoundRobinScheduler.lambda$0()V (7)
                  ()V
            astore 2 /* runnable */
        start local 2 // java.lang.Runnable runnable
         7: .line 70
            aload 2 /* runnable */
            ldc "REQUEST-SCHEDULER"
            invokestatic org.apache.cassandra.concurrent.NamedThreadFactory.createThread:(Ljava/lang/Runnable;Ljava/lang/String;)Ljava/lang/Thread;
            astore 3 /* scheduler */
        start local 3 // java.lang.Thread scheduler
         8: .line 71
            aload 3 /* scheduler */
            invokevirtual java.lang.Thread.start:()V
         9: .line 72
            getstatic org.apache.cassandra.scheduler.RoundRobinScheduler.logger:Lorg/slf4j/Logger;
            ldc "Started the RoundRobin Request Scheduler"
            invokeinterface org.slf4j.Logger.info:(Ljava/lang/String;)V
        10: .line 73
            return
        end local 3 // java.lang.Thread scheduler
        end local 2 // java.lang.Runnable runnable
        end local 1 // org.apache.cassandra.config.RequestSchedulerOptions options
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   11     0       this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
            0   11     1    options  Lorg/apache/cassandra/config/RequestSchedulerOptions;
            7   11     2   runnable  Ljava/lang/Runnable;
            8   11     3  scheduler  Ljava/lang/Thread;
    MethodParameters:
         Name  Flags
      options  

  public void queue(java.lang.Thread, java.lang.String, long);
    descriptor: (Ljava/lang/Thread;Ljava/lang/String;J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=7, args_size=4
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
        start local 1 // java.lang.Thread t
        start local 2 // java.lang.String id
        start local 3 // long timeoutMS
         0: .line 77
            aload 0 /* this */
            aload 2 /* id */
            invokevirtual org.apache.cassandra.scheduler.RoundRobinScheduler.getWeightedQueue:(Ljava/lang/String;)Lorg/apache/cassandra/scheduler/WeightedQueue;
            astore 5 /* weightedQueue */
        start local 5 // org.apache.cassandra.scheduler.WeightedQueue weightedQueue
         1: .line 81
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.release:()V
         2: .line 84
            aload 5 /* weightedQueue */
            aload 1 /* t */
            lload 3 /* timeoutMS */
            invokevirtual org.apache.cassandra.scheduler.WeightedQueue.put:(Ljava/lang/Thread;J)V
         3: .line 86
            goto 9
         4: .line 87
      StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler java.lang.Thread java.lang.String long org.apache.cassandra.scheduler.WeightedQueue
      StackMap stack: java.lang.Exception
            astore 6 /* e */
        start local 6 // java.lang.Exception e
         5: .line 89
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
         6: .line 90
            aload 6 /* e */
            athrow
        end local 6 // java.lang.Exception e
         7: .line 93
      StackMap locals:
      StackMap stack: java.lang.InterruptedException
            astore 6 /* e */
        start local 6 // java.lang.InterruptedException e
         8: .line 95
            new java.lang.RuntimeException
            dup
            ldc "Interrupted while queueing requests"
            aload 6 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 6 // java.lang.InterruptedException e
         9: .line 97
      StackMap locals:
      StackMap stack:
            return
        end local 5 // org.apache.cassandra.scheduler.WeightedQueue weightedQueue
        end local 3 // long timeoutMS
        end local 2 // java.lang.String id
        end local 1 // java.lang.Thread t
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   10     0           this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
            0   10     1              t  Ljava/lang/Thread;
            0   10     2             id  Ljava/lang/String;
            0   10     3      timeoutMS  J
            1   10     5  weightedQueue  Lorg/apache/cassandra/scheduler/WeightedQueue;
            5    7     6              e  Ljava/lang/Exception;
            8    9     6              e  Ljava/lang/InterruptedException;
      Exception table:
        from    to  target  type
           2     3       4  Class java.util.concurrent.TimeoutException
           2     3       4  Class java.lang.InterruptedException
           1     7       7  Class java.lang.InterruptedException
    Exceptions:
      throws java.util.concurrent.TimeoutException
    MethodParameters:
           Name  Flags
      t          
      id         
      timeoutMS  

  public void release();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
         0: .line 101
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.release:()V
         1: .line 102
            return
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;

  private void schedule();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=6, args_size=1
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
         0: .line 106
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
         1: .line 107
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
            invokevirtual org.cliffc.high_scale_lib.NonBlockingHashMap.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 2
            goto 13
      StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler top java.util.Iterator
      StackMap stack:
         2: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 1 /* request */
        start local 1 // java.util.Map$Entry request
         3: .line 109
            aload 1 /* request */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast org.apache.cassandra.scheduler.WeightedQueue
            astore 3 /* queue */
        start local 3 // org.apache.cassandra.scheduler.WeightedQueue queue
         4: .line 111
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         5: goto 12
         6: .line 113
      StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler java.util.Map$Entry java.util.Iterator org.apache.cassandra.scheduler.WeightedQueue int
      StackMap stack:
            aload 3 /* queue */
            invokevirtual org.apache.cassandra.scheduler.WeightedQueue.poll:()Ljava/lang/Thread;
            astore 5 /* t */
        start local 5 // java.lang.Thread t
         7: .line 114
            aload 5 /* t */
            ifnonnull 9
         8: .line 115
            goto 13
         9: .line 118
      StackMap locals: java.lang.Thread
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
        10: .line 119
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
        end local 5 // java.lang.Thread t
        11: .line 111
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        12: iload 4 /* i */
            aload 3 /* queue */
            getfield org.apache.cassandra.scheduler.WeightedQueue.weight:I
            if_icmplt 6
        end local 4 // int i
        end local 3 // org.apache.cassandra.scheduler.WeightedQueue queue
        end local 1 // java.util.Map$Entry request
        13: .line 107
      StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler top java.util.Iterator
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
        14: .line 123
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.release:()V
        15: .line 124
            return
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   16     0     this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
            3   13     1  request  Ljava/util/Map$Entry<Ljava/lang/String;Lorg/apache/cassandra/scheduler/WeightedQueue;>;
            4   13     3    queue  Lorg/apache/cassandra/scheduler/WeightedQueue;
            5   13     4        i  I
            7   11     5        t  Ljava/lang/Thread;

  private org.apache.cassandra.scheduler.WeightedQueue getWeightedQueue(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/cassandra/scheduler/WeightedQueue;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
        start local 1 // java.lang.String id
         0: .line 132
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
            aload 1 /* id */
            invokevirtual org.cliffc.high_scale_lib.NonBlockingHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.cassandra.scheduler.WeightedQueue
            astore 2 /* weightedQueue */
        start local 2 // org.apache.cassandra.scheduler.WeightedQueue weightedQueue
         1: .line 133
            aload 2 /* weightedQueue */
            ifnull 3
         2: .line 135
            aload 2 /* weightedQueue */
            areturn
         3: .line 137
      StackMap locals: org.apache.cassandra.scheduler.WeightedQueue
      StackMap stack:
            new org.apache.cassandra.scheduler.WeightedQueue
            dup
            aload 1 /* id */
            aload 0 /* this */
            aload 1 /* id */
            invokevirtual org.apache.cassandra.scheduler.RoundRobinScheduler.getWeight:(Ljava/lang/String;)I
            invokespecial org.apache.cassandra.scheduler.WeightedQueue.<init>:(Ljava/lang/String;I)V
            astore 3 /* maybenew */
        start local 3 // org.apache.cassandra.scheduler.WeightedQueue maybenew
         4: .line 138
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
            aload 1 /* id */
            aload 3 /* maybenew */
            invokevirtual org.cliffc.high_scale_lib.NonBlockingHashMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.cassandra.scheduler.WeightedQueue
            astore 2 /* weightedQueue */
         5: .line 139
            aload 2 /* weightedQueue */
            ifnonnull 7
         6: .line 141
            aload 3 /* maybenew */
            areturn
         7: .line 145
      StackMap locals: org.apache.cassandra.scheduler.WeightedQueue
      StackMap stack:
            aload 2 /* weightedQueue */
            areturn
        end local 3 // org.apache.cassandra.scheduler.WeightedQueue maybenew
        end local 2 // org.apache.cassandra.scheduler.WeightedQueue weightedQueue
        end local 1 // java.lang.String id
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    8     0           this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
            0    8     1             id  Ljava/lang/String;
            1    8     2  weightedQueue  Lorg/apache/cassandra/scheduler/WeightedQueue;
            4    8     3       maybenew  Lorg/apache/cassandra/scheduler/WeightedQueue;
    MethodParameters:
      Name  Flags
      id    

  java.util.concurrent.Semaphore getTaskCount();
    descriptor: ()Ljava/util/concurrent/Semaphore;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
         0: .line 150
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
            areturn
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;

  private int getWeight(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
        start local 1 // java.lang.String weightingVar
         0: .line 155
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
            ifnull 2
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
            aload 1 /* weightingVar */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 2
         1: .line 156
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
            aload 1 /* weightingVar */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            goto 3
         2: .line 157
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.scheduler.RoundRobinScheduler.defaultWeight:I
         3: .line 155
      StackMap locals:
      StackMap stack: int
            ireturn
        end local 1 // java.lang.String weightingVar
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
            0    4     1  weightingVar  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      weightingVar  

  private void lambda$0();
    descriptor: ()V
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
         0: .line 67
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.cassandra.scheduler.RoundRobinScheduler.schedule:()V
         1: .line 65
            goto 0
        end local 0 // org.apache.cassandra.scheduler.RoundRobinScheduler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
}
SourceFile: "RoundRobinScheduler.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public abstract Entry = java.util.Map$Entry of java.util.Map