Class DirectoryBlockAbstract

java.lang.Object
  |
  +--Block
        |
        +--DirectoryBlockAbstract

Direct Known Subclasses:

DirectoryBlock

abstract class DirectoryBlockAbstract

extends Block

Field Summary

int	block_num
Disk	disk
Inode[]	inodes
int	maxFiles
int	nameSize
short	nextBlkPtr

Constructor Summary

DirectoryBlockAbstract(Disk dsk)

Method Summary

abstract int	AllocFree(java.lang.String name, boolean file_flag)
void	DeallocEntry(int index)
abstract int	findName(java.lang.String name)
void	list(java.lang.String base)
abstract int	numEntries()
void	read(int block)
void	write(int block)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

inodes

public Inode[] inodes

nameSize

public final int nameSize

See Also:

Constant Field Values

nextBlkPtr

public short nextBlkPtr

maxFiles

public final int maxFiles

See Also:

Constant Field Values

block_num

public int block_num

disk

public Disk disk

Constructor Detail

DirectoryBlockAbstract

public DirectoryBlockAbstract(Disk dsk)

Method Detail

list

public final void list(java.lang.String base)

DeallocEntry

public final void DeallocEntry(int index)

write

public final void write(int block)
                 throws FileSystemException

Specified by:

write in class Block

FileSystemException

read

public final void read(int block)
                throws FileSystemException

Specified by:

read in class Block

FileSystemException

findName

public abstract int findName(java.lang.String name)

numEntries

public abstract int numEntries()

AllocFree

public abstract int AllocFree(java.lang.String name,
                              boolean file_flag)
                       throws FileSystemException

FileSystemException