public final class at.yawk.numaec.BumpPointerFileAllocator implements at.yawk.numaec.LargeByteBufferAllocator, java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: at.yawk.numaec.BumpPointerFileAllocator
  super_class: java.lang.Object
{
  private static final int MAP_SIZE_BITS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 30

  public static final java.lang.String KEEP_TEMP_FILE_PROPERTY;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE"

  private static final boolean KEEP_TEMP_FILE;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.nio.channels.FileChannel channel;
    descriptor: Ljava/nio/channels/FileChannel;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 20
            ldc "at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE"
            invokestatic java.lang.Boolean.getBoolean:(Ljava/lang/String;)Z
            putstatic at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE:Z
         1: .line 25
            getstatic at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE:Z
            ifeq 5
         2: .line 26
            getstatic java.lang.System.err:Ljava/io/PrintStream;
         3: .line 27
            ldc "at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE is enabled. This is purely a debugging option - the format of file-based collections is not compatible across versions!"
         4: .line 26
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         5: .line 31
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(java.nio.channels.FileChannel);
    descriptor: (Ljava/nio/channels/FileChannel;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // at.yawk.numaec.BumpPointerFileAllocator this
        start local 1 // java.nio.channels.FileChannel channel
         0: .line 33
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 34
            aload 0 /* this */
            aload 1 /* channel */
            putfield at.yawk.numaec.BumpPointerFileAllocator.channel:Ljava/nio/channels/FileChannel;
         2: .line 35
            return
        end local 1 // java.nio.channels.FileChannel channel
        end local 0 // at.yawk.numaec.BumpPointerFileAllocator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lat/yawk/numaec/BumpPointerFileAllocator;
            0    3     1  channel  Ljava/nio/channels/FileChannel;
    MethodParameters:
         Name  Flags
      channel  

  public static at.yawk.numaec.BumpPointerFileAllocator fromChannel(java.nio.channels.FileChannel);
    descriptor: (Ljava/nio/channels/FileChannel;)Lat/yawk/numaec/BumpPointerFileAllocator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.nio.channels.FileChannel channel
         0: .line 38
            new at.yawk.numaec.BumpPointerFileAllocator
            dup
            aload 0 /* channel */
            invokespecial at.yawk.numaec.BumpPointerFileAllocator.<init>:(Ljava/nio/channels/FileChannel;)V
            areturn
        end local 0 // java.nio.channels.FileChannel channel
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0  channel  Ljava/nio/channels/FileChannel;
    MethodParameters:
         Name  Flags
      channel  

  public static at.yawk.numaec.BumpPointerFileAllocator fromTempDirectory(java.nio.file.Path);
    descriptor: (Ljava/nio/file/Path;)Lat/yawk/numaec/BumpPointerFileAllocator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=5, args_size=1
        start local 0 // java.nio.file.Path tmpDirectory
         0: .line 42
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 1 /* permissions */
        start local 1 // java.util.Set permissions
         1: .line 43
            aload 1 /* permissions */
            getstatic java.nio.file.attribute.PosixFilePermission.OWNER_READ:Ljava/nio/file/attribute/PosixFilePermission;
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
         2: .line 44
            aload 1 /* permissions */
            getstatic java.nio.file.attribute.PosixFilePermission.OWNER_WRITE:Ljava/nio/file/attribute/PosixFilePermission;
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
         3: .line 46
            aload 0 /* tmpDirectory */
         4: .line 47
            ldc Lat/yawk/numaec/BumpPointerFileAllocator;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
         5: .line 48
            aconst_null
            iconst_1
            anewarray java.nio.file.attribute.FileAttribute
            dup
            iconst_0
         6: .line 49
            aload 1 /* permissions */
            invokestatic java.nio.file.attribute.PosixFilePermissions.asFileAttribute:(Ljava/util/Set;)Ljava/nio/file/attribute/FileAttribute;
            aastore
         7: .line 45
            invokestatic java.nio.file.Files.createTempFile:(Ljava/nio/file/Path;Ljava/lang/String;Ljava/lang/String;[Ljava/nio/file/attribute/FileAttribute;)Ljava/nio/file/Path;
            astore 2 /* tempFile */
        start local 2 // java.nio.file.Path tempFile
         8: .line 51
            aload 2 /* tempFile */
            iconst_2
            anewarray java.nio.file.OpenOption
            dup
            iconst_0
            getstatic java.nio.file.StandardOpenOption.READ:Ljava/nio/file/StandardOpenOption;
            aastore
            dup
            iconst_1
            getstatic java.nio.file.StandardOpenOption.WRITE:Ljava/nio/file/StandardOpenOption;
            aastore
            invokestatic java.nio.channels.FileChannel.open:(Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/nio/channels/FileChannel;
            invokestatic at.yawk.numaec.BumpPointerFileAllocator.fromChannel:(Ljava/nio/channels/FileChannel;)Lat/yawk/numaec/BumpPointerFileAllocator;
            astore 4
         9: .line 54
            getstatic at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE:Z
            ifne 11
        10: .line 55
            aload 2 /* tempFile */
            invokestatic java.nio.file.Files.delete:(Ljava/nio/file/Path;)V
        11: .line 51
      StackMap locals: java.nio.file.Path java.util.Set java.nio.file.Path top at.yawk.numaec.BumpPointerFileAllocator
      StackMap stack:
            aload 4
            areturn
        12: .line 52
      StackMap locals: java.nio.file.Path java.util.Set java.nio.file.Path
      StackMap stack: java.lang.Throwable
            astore 3
        13: .line 54
            getstatic at.yawk.numaec.BumpPointerFileAllocator.KEEP_TEMP_FILE:Z
            ifne 15
        14: .line 55
            aload 2 /* tempFile */
            invokestatic java.nio.file.Files.delete:(Ljava/nio/file/Path;)V
        15: .line 57
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 3
            athrow
        end local 2 // java.nio.file.Path tempFile
        end local 1 // java.util.Set permissions
        end local 0 // java.nio.file.Path tmpDirectory
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   16     0  tmpDirectory  Ljava/nio/file/Path;
            1   16     1   permissions  Ljava/util/Set<Ljava/nio/file/attribute/PosixFilePermission;>;
            8   16     2      tempFile  Ljava/nio/file/Path;
      Exception table:
        from    to  target  type
           8     9      12  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      tmpDirectory  

  public at.yawk.numaec.LargeByteBuffer allocate(long);
    descriptor: (J)Lat/yawk/numaec/LargeByteBuffer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=10, locals=11, args_size=2
        start local 0 // at.yawk.numaec.BumpPointerFileAllocator this
        start local 1 // long size
         0: .line 62
            lload 1 /* size */
            lconst_0
            lcmp
            ifne 2
         1: .line 63
            getstatic at.yawk.numaec.LargeByteBuffer.EMPTY:Lat/yawk/numaec/LargeByteBuffer;
            areturn
         2: .line 66
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield at.yawk.numaec.BumpPointerFileAllocator.channel:Ljava/nio/channels/FileChannel;
            invokevirtual java.nio.channels.FileChannel.size:()J
            lstore 3 /* start */
        start local 3 // long start
         3: .line 68
            aload 0 /* this */
            getfield at.yawk.numaec.BumpPointerFileAllocator.channel:Ljava/nio/channels/FileChannel;
            lload 3 /* start */
            lload 1 /* size */
            ladd
            invokevirtual java.nio.channels.FileChannel.truncate:(J)Ljava/nio/channels/FileChannel;
            pop
         4: .line 69
            lload 1 /* size */
            lconst_1
            lsub
            bipush 30
            lshr
            lconst_1
            ladd
            l2i
            anewarray java.nio.ByteBuffer
            astore 5 /* parts */
        start local 5 // java.nio.ByteBuffer[] parts
         5: .line 70
            iconst_0
            istore 6 /* i */
        start local 6 // int i
         6: goto 11
         7: .line 71
      StackMap locals: long java.nio.ByteBuffer[] int
      StackMap stack:
            lload 3 /* start */
            iload 6 /* i */
            i2l
            bipush 30
            lshl
            ladd
            lstore 7 /* partStart */
        start local 7 // long partStart
         8: .line 72
            lload 3 /* start */
            lload 1 /* size */
            ladd
            lload 3 /* start */
            iload 6 /* i */
            i2l
            lconst_1
            ladd
            bipush 30
            lshl
            ladd
            invokestatic java.lang.Math.min:(JJ)J
            lstore 9 /* partEnd */
        start local 9 // long partEnd
         9: .line 73
            aload 5 /* parts */
            iload 6 /* i */
            aload 0 /* this */
            getfield at.yawk.numaec.BumpPointerFileAllocator.channel:Ljava/nio/channels/FileChannel;
            getstatic java.nio.channels.FileChannel$MapMode.READ_WRITE:Ljava/nio/channels/FileChannel$MapMode;
            lload 7 /* partStart */
            lload 9 /* partEnd */
            lload 7 /* partStart */
            lsub
            invokevirtual java.nio.channels.FileChannel.map:(Ljava/nio/channels/FileChannel$MapMode;JJ)Ljava/nio/MappedByteBuffer;
            aastore
        end local 9 // long partEnd
        end local 7 // long partStart
        10: .line 70
            iinc 6 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 6 /* i */
            aload 5 /* parts */
            arraylength
            if_icmplt 7
        end local 6 // int i
        12: .line 75
            new at.yawk.numaec.ByteBufferBackedLargeByteBuffer
            dup
            aload 5 /* parts */
            ldc 1073741824
            invokespecial at.yawk.numaec.ByteBufferBackedLargeByteBuffer.<init>:([Ljava/nio/ByteBuffer;I)V
        13: areturn
        end local 5 // java.nio.ByteBuffer[] parts
        end local 3 // long start
        14: .line 76
      StackMap locals: at.yawk.numaec.BumpPointerFileAllocator long
      StackMap stack: java.io.IOException
            astore 3 /* e */
        start local 3 // java.io.IOException e
        15: .line 77
            new java.io.UncheckedIOException
            dup
            aload 3 /* e */
            invokespecial java.io.UncheckedIOException.<init>:(Ljava/io/IOException;)V
            athrow
        end local 3 // java.io.IOException e
        end local 1 // long size
        end local 0 // at.yawk.numaec.BumpPointerFileAllocator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   16     0       this  Lat/yawk/numaec/BumpPointerFileAllocator;
            0   16     1       size  J
            3   14     3      start  J
            5   14     5      parts  [Ljava/nio/ByteBuffer;
            6   12     6          i  I
            8   10     7  partStart  J
            9   10     9    partEnd  J
           15   16     3          e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           2    13      14  Class java.io.IOException
    MethodParameters:
      Name  Flags
      size  

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // at.yawk.numaec.BumpPointerFileAllocator this
         0: .line 83
            aload 0 /* this */
            getfield at.yawk.numaec.BumpPointerFileAllocator.channel:Ljava/nio/channels/FileChannel;
            invokevirtual java.nio.channels.FileChannel.close:()V
         1: .line 84
            return
        end local 0 // at.yawk.numaec.BumpPointerFileAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lat/yawk/numaec/BumpPointerFileAllocator;
    Exceptions:
      throws java.io.IOException
}
SourceFile: "BumpPointerFileAllocator.java"
InnerClasses:
  public MapMode = java.nio.channels.FileChannel$MapMode of java.nio.channels.FileChannel