jdbm.recman
Class PageHeader

java.lang.Object
  jdbm.recman.PageHeader

All Implemented Interfaces:

BlockView

public class PageHeader
extends java.lang.Object
implements BlockView

This class represents a page header. It is the common superclass for all different page views.

Field Summary

protected BlockIo	block
protected static short	SIZE

Constructor Summary

protected

PageHeader(BlockIo block) Constructs a PageHeader object from a block

Method Summary

protected void

paranoiaMagicOk() For paranoia mode

Methods inherited from class java.lang.Object

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

Field Detail

SIZE

protected static final short SIZE

See Also:

Constant Field Values

block

protected BlockIo block

Constructor Detail

PageHeader

protected PageHeader(BlockIo block)

Constructs a PageHeader object from a block

Parameters:

block - The block that contains the file header

Throws:

IOException - if the block is too short to keep the file header.

Method Detail

paranoiaMagicOk

protected void paranoiaMagicOk()

For paranoia mode