jdbm.recman
Class FreeLogicalRowIdPageManager

java.lang.Object
  jdbm.recman.FreeLogicalRowIdPageManager

final class FreeLogicalRowIdPageManager

extends java.lang.Object

This class manages free Logical rowid pages and provides methods to free and allocate Logical rowids on a high level.

Constructor Summary

(package private)

FreeLogicalRowIdPageManager(RecordFile file, PageManager pageman) Creates a new instance using the indicated record file and page manager.

Method Summary

(package private) Location	get() Returns a free Logical rowid, or null if nothing was found.
(package private) void	put(Location rowid) Puts the indicated rowid on the free list

Methods inherited from class java.lang.Object

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

Constructor Detail

FreeLogicalRowIdPageManager

FreeLogicalRowIdPageManager(RecordFile file,
                            PageManager pageman)
                      throws java.io.IOException

Creates a new instance using the indicated record file and page manager.

Method Detail

get

Location get()
       throws java.io.IOException

Returns a free Logical rowid, or null if nothing was found.

Throws:

java.io.IOException

put

void put(Location rowid)
   throws java.io.IOException

Puts the indicated rowid on the free list

Throws:

java.io.IOException