public class sun.nio.ch.FileLockImpl extends java.nio.channels.FileLock
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.nio.ch.FileLockImpl
  super_class: java.nio.channels.FileLock
{
  private volatile boolean valid;
    descriptor: Z
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 31
            ldc Lsun/nio/ch/FileLockImpl;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic sun.nio.ch.FileLockImpl.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(java.nio.channels.FileChannel, long, long, boolean);
    descriptor: (Ljava/nio/channels/FileChannel;JJZ)V
    flags: (0x0000) 
    Code:
      stack=7, locals=7, args_size=5
        start local 0 // sun.nio.ch.FileLockImpl this
        start local 1 // java.nio.channels.FileChannel channel
        start local 2 // long position
        start local 4 // long size
        start local 6 // boolean shared
         0: .line 38
            aload 0 /* this */
            aload 1 /* channel */
            lload 2 /* position */
            lload 4 /* size */
            iload 6 /* shared */
            invokespecial java.nio.channels.FileLock.<init>:(Ljava/nio/channels/FileChannel;JJZ)V
         1: .line 34
            aload 0 /* this */
            iconst_1
            putfield sun.nio.ch.FileLockImpl.valid:Z
         2: .line 39
            return
        end local 6 // boolean shared
        end local 4 // long size
        end local 2 // long position
        end local 1 // java.nio.channels.FileChannel channel
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lsun/nio/ch/FileLockImpl;
            0    3     1   channel  Ljava/nio/channels/FileChannel;
            0    3     2  position  J
            0    3     4      size  J
            0    3     6    shared  Z
    MethodParameters:
          Name  Flags
      channel   
      position  
      size      
      shared    

  void <init>(java.nio.channels.AsynchronousFileChannel, long, long, boolean);
    descriptor: (Ljava/nio/channels/AsynchronousFileChannel;JJZ)V
    flags: (0x0000) 
    Code:
      stack=7, locals=7, args_size=5
        start local 0 // sun.nio.ch.FileLockImpl this
        start local 1 // java.nio.channels.AsynchronousFileChannel channel
        start local 2 // long position
        start local 4 // long size
        start local 6 // boolean shared
         0: .line 43
            aload 0 /* this */
            aload 1 /* channel */
            lload 2 /* position */
            lload 4 /* size */
            iload 6 /* shared */
            invokespecial java.nio.channels.FileLock.<init>:(Ljava/nio/channels/AsynchronousFileChannel;JJZ)V
         1: .line 34
            aload 0 /* this */
            iconst_1
            putfield sun.nio.ch.FileLockImpl.valid:Z
         2: .line 44
            return
        end local 6 // boolean shared
        end local 4 // long size
        end local 2 // long position
        end local 1 // java.nio.channels.AsynchronousFileChannel channel
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lsun/nio/ch/FileLockImpl;
            0    3     1   channel  Ljava/nio/channels/AsynchronousFileChannel;
            0    3     2  position  J
            0    3     4      size  J
            0    3     6    shared  Z
    MethodParameters:
          Name  Flags
      channel   
      position  
      size      
      shared    

  public boolean isValid();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileLockImpl this
         0: .line 47
            aload 0 /* this */
            getfield sun.nio.ch.FileLockImpl.valid:Z
            ireturn
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/FileLockImpl;

  void invalidate();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileLockImpl this
         0: .line 51
            getstatic sun.nio.ch.FileLockImpl.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokestatic java.lang.Thread.holdsLock:(Ljava/lang/Object;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield sun.nio.ch.FileLockImpl.valid:Z
         2: .line 53
            return
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/nio/ch/FileLockImpl;

  public synchronized void release();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.nio.ch.FileLockImpl this
         0: .line 56
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileLockImpl.acquiredBy:()Ljava/nio/channels/Channel;
            astore 1 /* ch */
        start local 1 // java.nio.channels.Channel ch
         1: .line 57
            aload 1 /* ch */
            invokeinterface java.nio.channels.Channel.isOpen:()Z
            ifne 3
         2: .line 58
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            athrow
         3: .line 59
      StackMap locals: java.nio.channels.Channel
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.FileLockImpl.valid:Z
            ifeq 10
         4: .line 60
            aload 1 /* ch */
            instanceof sun.nio.ch.FileChannelImpl
            ifeq 6
         5: .line 61
            aload 1 /* ch */
            checkcast sun.nio.ch.FileChannelImpl
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileChannelImpl.release:(Lsun/nio/ch/FileLockImpl;)V
            goto 9
         6: .line 62
      StackMap locals:
      StackMap stack:
            aload 1 /* ch */
            instanceof sun.nio.ch.AsynchronousFileChannelImpl
            ifeq 8
         7: .line 63
            aload 1 /* ch */
            checkcast sun.nio.ch.AsynchronousFileChannelImpl
            aload 0 /* this */
            invokevirtual sun.nio.ch.AsynchronousFileChannelImpl.release:(Lsun/nio/ch/FileLockImpl;)V
            goto 9
         8: .line 64
      StackMap locals:
      StackMap stack:
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         9: .line 65
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield sun.nio.ch.FileLockImpl.valid:Z
        10: .line 67
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.nio.channels.Channel ch
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lsun/nio/ch/FileLockImpl;
            1   11     1    ch  Ljava/nio/channels/Channel;
    Exceptions:
      throws java.io.IOException
}
SourceFile: "FileLockImpl.java"