public class org.hsqldb.lib.HsqlTaskQueue
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.hsqldb.lib.HsqlTaskQueue
  super_class: java.lang.Object
{
  protected java.lang.Thread taskRunnerThread;
    descriptor: Ljava/lang/Thread;
    flags: (0x0004) ACC_PROTECTED

  protected static final java.lang.Runnable SHUTDOWNTASK;
    descriptor: Ljava/lang/Runnable;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL

  protected volatile boolean isShutdown;
    descriptor: Z
    flags: (0x0044) ACC_PROTECTED, ACC_VOLATILE

  protected final org.hsqldb.lib.HsqlDeque queue;
    descriptor: Lorg/hsqldb/lib/HsqlDeque;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final org.hsqldb.lib.HsqlTaskQueue$TaskRunner taskRunner;
    descriptor: Lorg/hsqldb/lib/HsqlTaskQueue$TaskRunner;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 49
            new org.hsqldb.lib.HsqlTaskQueue$1
            dup
            invokespecial org.hsqldb.lib.HsqlTaskQueue$1.<init>:()V
            putstatic org.hsqldb.lib.HsqlTaskQueue.SHUTDOWNTASK:Ljava/lang/Runnable;
         1: .line 51
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public synchronized java.lang.Thread getTaskRunnerThread();
    descriptor: ()Ljava/lang/Thread;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 61
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
            areturn
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;

  protected synchronized void clearThread();
    descriptor: ()V
    flags: (0x0024) ACC_PROTECTED, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 67
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
            aconst_null
            invokevirtual java.lang.Thread.setContextClassLoader:(Ljava/lang/ClassLoader;)V
         1: .line 68
            goto 3
      StackMap locals:
      StackMap stack: java.lang.Throwable
         2: pop
         3: .line 70
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
         4: .line 71
            return
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Throwable

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 111
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 73
            aload 0 /* this */
            new org.hsqldb.lib.HsqlDeque
            dup
            invokespecial org.hsqldb.lib.HsqlDeque.<init>:()V
            putfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
         2: .line 109
            aload 0 /* this */
            new org.hsqldb.lib.HsqlTaskQueue$TaskRunner
            dup
            aload 0 /* this */
            invokespecial org.hsqldb.lib.HsqlTaskQueue$TaskRunner.<init>:(Lorg/hsqldb/lib/HsqlTaskQueue;)V
            putfield org.hsqldb.lib.HsqlTaskQueue.taskRunner:Lorg/hsqldb/lib/HsqlTaskQueue$TaskRunner;
         3: .line 111
            return
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;

  public boolean isShutdown();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 114
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.isShutdown:Z
            ireturn
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;

  public synchronized void restart();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 119
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
            ifnonnull 3
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.isShutdown:Z
            ifne 3
         1: .line 120
            aload 0 /* this */
            new java.lang.Thread
            dup
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunner:Lorg/hsqldb/lib/HsqlTaskQueue$TaskRunner;
            invokespecial java.lang.Thread.<init>:(Ljava/lang/Runnable;)V
            putfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
         2: .line 122
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
            invokevirtual java.lang.Thread.start:()V
         3: .line 124
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;

  public void execute(java.lang.Runnable);
    descriptor: (Ljava/lang/Runnable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
        start local 1 // java.lang.Runnable command
         0: .line 128
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.isShutdown:Z
            ifne 8
         1: .line 129
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            dup
            astore 2
            monitorenter
         2: .line 130
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            aload 1 /* command */
            invokevirtual org.hsqldb.lib.HsqlDeque.addLast:(Ljava/lang/Object;)Z
            pop
         3: .line 129
            aload 2
            monitorexit
         4: goto 7
      StackMap locals: org.hsqldb.lib.HsqlTaskQueue java.lang.Runnable org.hsqldb.lib.HsqlDeque
      StackMap stack: java.lang.Throwable
         5: aload 2
            monitorexit
         6: athrow
         7: .line 133
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.hsqldb.lib.HsqlTaskQueue.restart:()V
         8: .line 135
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.Runnable command
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lorg/hsqldb/lib/HsqlTaskQueue;
            0    9     1  command  Ljava/lang/Runnable;
      Exception table:
        from    to  target  type
           2     4       5  any
           5     6       5  any
    Exceptions:
      throws java.lang.RuntimeException
    MethodParameters:
         Name  Flags
      command  

  public synchronized void shutdownAfterQueued();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 139
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.isShutdown:Z
            ifne 7
         1: .line 140
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            dup
            astore 1
            monitorenter
         2: .line 141
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            getstatic org.hsqldb.lib.HsqlTaskQueue.SHUTDOWNTASK:Ljava/lang/Runnable;
            invokevirtual org.hsqldb.lib.HsqlDeque.addLast:(Ljava/lang/Object;)Z
            pop
         3: .line 140
            aload 1
            monitorexit
         4: goto 7
      StackMap locals: org.hsqldb.lib.HsqlTaskQueue org.hsqldb.lib.HsqlDeque
      StackMap stack: java.lang.Throwable
         5: aload 1
            monitorexit
         6: athrow
         7: .line 144
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;
      Exception table:
        from    to  target  type
           2     4       5  any
           5     6       5  any

  public synchronized void shutdownAfterCurrent();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 148
            aload 0 /* this */
            iconst_1
            putfield org.hsqldb.lib.HsqlTaskQueue.isShutdown:Z
         1: .line 150
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            dup
            astore 1
            monitorenter
         2: .line 151
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            invokevirtual org.hsqldb.lib.HsqlDeque.clear:()V
         3: .line 152
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            getstatic org.hsqldb.lib.HsqlTaskQueue.SHUTDOWNTASK:Ljava/lang/Runnable;
            invokevirtual org.hsqldb.lib.HsqlDeque.addLast:(Ljava/lang/Object;)Z
            pop
         4: .line 150
            aload 1
            monitorexit
         5: goto 8
      StackMap locals: org.hsqldb.lib.HsqlTaskQueue org.hsqldb.lib.HsqlDeque
      StackMap stack: java.lang.Throwable
         6: aload 1
            monitorexit
         7: athrow
         8: .line 154
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;
      Exception table:
        from    to  target  type
           2     5       6  any
           6     7       6  any

  public synchronized void shutdownImmediately();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.hsqldb.lib.HsqlTaskQueue this
         0: .line 158
            aload 0 /* this */
            iconst_1
            putfield org.hsqldb.lib.HsqlTaskQueue.isShutdown:Z
         1: .line 160
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
            ifnull 3
         2: .line 161
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.taskRunnerThread:Ljava/lang/Thread;
            invokevirtual java.lang.Thread.interrupt:()V
         3: .line 164
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            dup
            astore 1
            monitorenter
         4: .line 165
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            invokevirtual org.hsqldb.lib.HsqlDeque.clear:()V
         5: .line 166
            aload 0 /* this */
            getfield org.hsqldb.lib.HsqlTaskQueue.queue:Lorg/hsqldb/lib/HsqlDeque;
            getstatic org.hsqldb.lib.HsqlTaskQueue.SHUTDOWNTASK:Ljava/lang/Runnable;
            invokevirtual org.hsqldb.lib.HsqlDeque.addLast:(Ljava/lang/Object;)Z
            pop
         6: .line 164
            aload 1
            monitorexit
         7: goto 10
      StackMap locals: org.hsqldb.lib.HsqlTaskQueue org.hsqldb.lib.HsqlDeque
      StackMap stack: java.lang.Throwable
         8: aload 1
            monitorexit
         9: athrow
        10: .line 168
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.hsqldb.lib.HsqlTaskQueue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lorg/hsqldb/lib/HsqlTaskQueue;
      Exception table:
        from    to  target  type
           4     7       8  any
           8     9       8  any
}
SourceFile: "HsqlTaskQueue.java"
NestMembers:
  org.hsqldb.lib.HsqlTaskQueue$1  org.hsqldb.lib.HsqlTaskQueue$TaskRunner
InnerClasses:
  org.hsqldb.lib.HsqlTaskQueue$1
  protected TaskRunner = org.hsqldb.lib.HsqlTaskQueue$TaskRunner of org.hsqldb.lib.HsqlTaskQueue