public class java.util.concurrent.ExecutorCompletionService<V> implements java.util.concurrent.CompletionService<V>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: java.util.concurrent.ExecutorCompletionService
  super_class: java.lang.Object
{
  private final java.util.concurrent.Executor executor;
    descriptor: Ljava/util/concurrent/Executor;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private final java.util.concurrent.BlockingQueue<java.util.concurrent.Future<V>> completionQueue;
    descriptor: Ljava/util/concurrent/BlockingQueue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/BlockingQueue<Ljava/util/concurrent/Future<TV;>;>;

  private java.util.concurrent.RunnableFuture<V> newTaskFor(java.util.concurrent.Callable<V>);
    descriptor: (Ljava/util/concurrent/Callable;)Ljava/util/concurrent/RunnableFuture;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // java.util.concurrent.Callable task
         0: .line 124
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.aes:Ljava/util/concurrent/AbstractExecutorService;
            ifnonnull 2
         1: .line 125
            new java.util.concurrent.FutureTask
            dup
            aload 1 /* task */
            invokespecial java.util.concurrent.FutureTask.<init>:(Ljava/util/concurrent/Callable;)V
            areturn
         2: .line 127
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.aes:Ljava/util/concurrent/AbstractExecutorService;
            aload 1 /* task */
            invokevirtual java.util.concurrent.AbstractExecutorService.newTaskFor:(Ljava/util/concurrent/Callable;)Ljava/util/concurrent/RunnableFuture;
            areturn
        end local 1 // java.util.concurrent.Callable task
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0    3     1  task  Ljava/util/concurrent/Callable<TV;>;
    Signature: (Ljava/util/concurrent/Callable<TV;>;)Ljava/util/concurrent/RunnableFuture<TV;>;
    MethodParameters:
      Name  Flags
      task  

  private java.util.concurrent.RunnableFuture<V> newTaskFor(java.lang.Runnable, V);
    descriptor: (Ljava/lang/Runnable;Ljava/lang/Object;)Ljava/util/concurrent/RunnableFuture;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // java.lang.Runnable task
        start local 2 // java.lang.Object result
         0: .line 131
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.aes:Ljava/util/concurrent/AbstractExecutorService;
            ifnonnull 2
         1: .line 132
            new java.util.concurrent.FutureTask
            dup
            aload 1 /* task */
            aload 2 /* result */
            invokespecial java.util.concurrent.FutureTask.<init>:(Ljava/lang/Runnable;Ljava/lang/Object;)V
            areturn
         2: .line 134
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.aes:Ljava/util/concurrent/AbstractExecutorService;
            aload 1 /* task */
            aload 2 /* result */
            invokevirtual java.util.concurrent.AbstractExecutorService.newTaskFor:(Ljava/lang/Runnable;Ljava/lang/Object;)Ljava/util/concurrent/RunnableFuture;
            areturn
        end local 2 // java.lang.Object result
        end local 1 // java.lang.Runnable task
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0    3     1    task  Ljava/lang/Runnable;
            0    3     2  result  TV;
    Signature: (Ljava/lang/Runnable;TV;)Ljava/util/concurrent/RunnableFuture<TV;>;
    MethodParameters:
        Name  Flags
      task    
      result  

  public void <init>(java.util.concurrent.Executor);
    descriptor: (Ljava/util/concurrent/Executor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // java.util.concurrent.Executor executor
         0: .line 145
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 146
            aload 1 /* executor */
            ifnonnull 3
         2: .line 147
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         3: .line 148
      StackMap locals: java.util.concurrent.ExecutorCompletionService java.util.concurrent.Executor
      StackMap stack:
            aload 0 /* this */
            aload 1 /* executor */
            putfield java.util.concurrent.ExecutorCompletionService.executor:Ljava/util/concurrent/Executor;
         4: .line 149
            aload 0 /* this */
            aload 1 /* executor */
            instanceof java.util.concurrent.AbstractExecutorService
            ifeq 6
         5: .line 150
            aload 1 /* executor */
            checkcast java.util.concurrent.AbstractExecutorService
            goto 7
      StackMap locals:
      StackMap stack: java.util.concurrent.ExecutorCompletionService
         6: aconst_null
         7: .line 149
      StackMap locals: java.util.concurrent.ExecutorCompletionService java.util.concurrent.Executor
      StackMap stack: java.util.concurrent.ExecutorCompletionService java.util.concurrent.AbstractExecutorService
            putfield java.util.concurrent.ExecutorCompletionService.aes:Ljava/util/concurrent/AbstractExecutorService;
         8: .line 151
            aload 0 /* this */
            new java.util.concurrent.LinkedBlockingQueue
            dup
            invokespecial java.util.concurrent.LinkedBlockingQueue.<init>:()V
            putfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
         9: .line 152
            return
        end local 1 // java.util.concurrent.Executor executor
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   10     0      this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0   10     1  executor  Ljava/util/concurrent/Executor;
    MethodParameters:
          Name  Flags
      executor  

  public void <init>(java.util.concurrent.Executor, java.util.concurrent.BlockingQueue<java.util.concurrent.Future<V>>);
    descriptor: (Ljava/util/concurrent/Executor;Ljava/util/concurrent/BlockingQueue;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // java.util.concurrent.Executor executor
        start local 2 // java.util.concurrent.BlockingQueue completionQueue
         0: .line 167
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 169
            aload 1 /* executor */
            ifnull 2
            aload 2 /* completionQueue */
            ifnonnull 3
         2: .line 170
      StackMap locals: java.util.concurrent.ExecutorCompletionService java.util.concurrent.Executor java.util.concurrent.BlockingQueue
      StackMap stack:
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         3: .line 171
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* executor */
            putfield java.util.concurrent.ExecutorCompletionService.executor:Ljava/util/concurrent/Executor;
         4: .line 172
            aload 0 /* this */
            aload 1 /* executor */
            instanceof java.util.concurrent.AbstractExecutorService
            ifeq 6
         5: .line 173
            aload 1 /* executor */
            checkcast java.util.concurrent.AbstractExecutorService
            goto 7
      StackMap locals:
      StackMap stack: java.util.concurrent.ExecutorCompletionService
         6: aconst_null
         7: .line 172
      StackMap locals: java.util.concurrent.ExecutorCompletionService java.util.concurrent.Executor java.util.concurrent.BlockingQueue
      StackMap stack: java.util.concurrent.ExecutorCompletionService java.util.concurrent.AbstractExecutorService
            putfield java.util.concurrent.ExecutorCompletionService.aes:Ljava/util/concurrent/AbstractExecutorService;
         8: .line 174
            aload 0 /* this */
            aload 2 /* completionQueue */
            putfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
         9: .line 175
            return
        end local 2 // java.util.concurrent.BlockingQueue completionQueue
        end local 1 // java.util.concurrent.Executor executor
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   10     0             this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0   10     1         executor  Ljava/util/concurrent/Executor;
            0   10     2  completionQueue  Ljava/util/concurrent/BlockingQueue<Ljava/util/concurrent/Future<TV;>;>;
    Signature: (Ljava/util/concurrent/Executor;Ljava/util/concurrent/BlockingQueue<Ljava/util/concurrent/Future<TV;>;>;)V
    MethodParameters:
                 Name  Flags
      executor         
      completionQueue  

  public java.util.concurrent.Future<V> submit(java.util.concurrent.Callable<V>);
    descriptor: (Ljava/util/concurrent/Callable;)Ljava/util/concurrent/Future;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // java.util.concurrent.Callable task
         0: .line 182
            aload 1 /* task */
            ifnonnull 1
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         1: .line 183
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* task */
            invokevirtual java.util.concurrent.ExecutorCompletionService.newTaskFor:(Ljava/util/concurrent/Callable;)Ljava/util/concurrent/RunnableFuture;
            astore 2 /* f */
        start local 2 // java.util.concurrent.RunnableFuture f
         2: .line 184
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.executor:Ljava/util/concurrent/Executor;
            new java.util.concurrent.ExecutorCompletionService$QueueingFuture
            dup
            aload 2 /* f */
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
            invokespecial java.util.concurrent.ExecutorCompletionService$QueueingFuture.<init>:(Ljava/util/concurrent/RunnableFuture;Ljava/util/concurrent/BlockingQueue;)V
            invokeinterface java.util.concurrent.Executor.execute:(Ljava/lang/Runnable;)V
         3: .line 185
            aload 2 /* f */
            areturn
        end local 2 // java.util.concurrent.RunnableFuture f
        end local 1 // java.util.concurrent.Callable task
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0    4     1  task  Ljava/util/concurrent/Callable<TV;>;
            2    4     2     f  Ljava/util/concurrent/RunnableFuture<TV;>;
    Signature: (Ljava/util/concurrent/Callable<TV;>;)Ljava/util/concurrent/Future<TV;>;
    MethodParameters:
      Name  Flags
      task  

  public java.util.concurrent.Future<V> submit(java.lang.Runnable, V);
    descriptor: (Ljava/lang/Runnable;Ljava/lang/Object;)Ljava/util/concurrent/Future;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // java.lang.Runnable task
        start local 2 // java.lang.Object result
         0: .line 193
            aload 1 /* task */
            ifnonnull 1
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         1: .line 194
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* task */
            aload 2 /* result */
            invokevirtual java.util.concurrent.ExecutorCompletionService.newTaskFor:(Ljava/lang/Runnable;Ljava/lang/Object;)Ljava/util/concurrent/RunnableFuture;
            astore 3 /* f */
        start local 3 // java.util.concurrent.RunnableFuture f
         2: .line 195
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.executor:Ljava/util/concurrent/Executor;
            new java.util.concurrent.ExecutorCompletionService$QueueingFuture
            dup
            aload 3 /* f */
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
            invokespecial java.util.concurrent.ExecutorCompletionService$QueueingFuture.<init>:(Ljava/util/concurrent/RunnableFuture;Ljava/util/concurrent/BlockingQueue;)V
            invokeinterface java.util.concurrent.Executor.execute:(Ljava/lang/Runnable;)V
         3: .line 196
            aload 3 /* f */
            areturn
        end local 3 // java.util.concurrent.RunnableFuture f
        end local 2 // java.lang.Object result
        end local 1 // java.lang.Runnable task
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0    4     1    task  Ljava/lang/Runnable;
            0    4     2  result  TV;
            2    4     3       f  Ljava/util/concurrent/RunnableFuture<TV;>;
    Signature: (Ljava/lang/Runnable;TV;)Ljava/util/concurrent/Future<TV;>;
    MethodParameters:
        Name  Flags
      task    
      result  

  public java.util.concurrent.Future<V> take();
    descriptor: ()Ljava/util/concurrent/Future;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.concurrent.ExecutorCompletionService this
         0: .line 200
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
            invokeinterface java.util.concurrent.BlockingQueue.take:()Ljava/lang/Object;
            checkcast java.util.concurrent.Future
            areturn
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
    Exceptions:
      throws java.lang.InterruptedException
    Signature: ()Ljava/util/concurrent/Future<TV;>;

  public java.util.concurrent.Future<V> poll();
    descriptor: ()Ljava/util/concurrent/Future;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.concurrent.ExecutorCompletionService this
         0: .line 204
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
            invokeinterface java.util.concurrent.BlockingQueue.poll:()Ljava/lang/Object;
            checkcast java.util.concurrent.Future
            areturn
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
    Signature: ()Ljava/util/concurrent/Future<TV;>;

  public java.util.concurrent.Future<V> poll(long, java.util.concurrent.TimeUnit);
    descriptor: (JLjava/util/concurrent/TimeUnit;)Ljava/util/concurrent/Future;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // java.util.concurrent.ExecutorCompletionService this
        start local 1 // long timeout
        start local 3 // java.util.concurrent.TimeUnit unit
         0: .line 209
            aload 0 /* this */
            getfield java.util.concurrent.ExecutorCompletionService.completionQueue:Ljava/util/concurrent/BlockingQueue;
            lload 1 /* timeout */
            aload 3 /* unit */
            invokeinterface java.util.concurrent.BlockingQueue.poll:(JLjava/util/concurrent/TimeUnit;)Ljava/lang/Object;
            checkcast java.util.concurrent.Future
            areturn
        end local 3 // java.util.concurrent.TimeUnit unit
        end local 1 // long timeout
        end local 0 // java.util.concurrent.ExecutorCompletionService this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Ljava/util/concurrent/ExecutorCompletionService<TV;>;
            0    1     1  timeout  J
            0    1     3     unit  Ljava/util/concurrent/TimeUnit;
    Exceptions:
      throws java.lang.InterruptedException
    Signature: (JLjava/util/concurrent/TimeUnit;)Ljava/util/concurrent/Future<TV;>;
    MethodParameters:
         Name  Flags
      timeout  
      unit     
}
Signature: <V:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/concurrent/CompletionService<TV;>;
SourceFile: "ExecutorCompletionService.java"
NestMembers:
  java.util.concurrent.ExecutorCompletionService$QueueingFuture
InnerClasses:
  private QueueingFuture = java.util.concurrent.ExecutorCompletionService$QueueingFuture of java.util.concurrent.ExecutorCompletionService