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
{
  boolean valid;
    descriptor: Z
    flags: (0x0000) 

  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 40
            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 41
            aload 0 /* this */
            iconst_1
            putfield sun.nio.ch.FileLockImpl.valid:Z
         2: .line 42
            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    

  public synchronized boolean isValid();
    descriptor: ()Z
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileLockImpl this
         0: .line 45
            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;

  synchronized void invalidate();
    descriptor: ()V
    flags: (0x0020) ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileLockImpl this
         0: .line 49
            aload 0 /* this */
            iconst_0
            putfield sun.nio.ch.FileLockImpl.valid:Z
         1: .line 50
            return
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/nio/ch/FileLockImpl;

  public synchronized void release();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileLockImpl this
         0: .line 53
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileLockImpl.channel:()Ljava/nio/channels/FileChannel;
            invokevirtual java.nio.channels.FileChannel.isOpen:()Z
            ifne 2
         1: .line 54
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            athrow
         2: .line 55
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.FileLockImpl.valid:Z
            ifeq 5
         3: .line 56
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileLockImpl.channel:()Ljava/nio/channels/FileChannel;
            checkcast sun.nio.ch.FileChannelImpl
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileChannelImpl.release:(Lsun/nio/ch/FileLockImpl;)V
         4: .line 57
            aload 0 /* this */
            iconst_0
            putfield sun.nio.ch.FileLockImpl.valid:Z
         5: .line 59
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.nio.ch.FileLockImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lsun/nio/ch/FileLockImpl;
    Exceptions:
      throws java.io.IOException
}
SourceFile: "FileLockImpl.java"