org.netbeans.mdr.persistence.btreeimpl.btreeindex
Class FixedKeyPage

java.lang.Object
  org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreePage
      org.netbeans.mdr.persistence.btreeimpl.btreeindex.FixedKeyPage

All Implemented Interfaces:

Streamable

public class FixedKeyPage
extends BtreePage

Implementation of a BtreePage with fixed length keys and fixed length data.

Version:

1.0

Author:

Dana Bergen

Field Summary

Fields inherited from class org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreePage

pageBuffer, pageId

Constructor Summary

FixedKeyPage()

Method Summary

void	init(Btree btree, byte[] pageId, byte[] pageBuffer, boolean isNew) Initialize a newly-instantiated or recycled FixedKeyPage.

Methods inherited from class org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreePage

compare, compareData, consistencyCheck, dumpPage, dumpPageBuffer, dumpPageEntries, dumpPageHeader, dumpTree, get, getLocation, makeRoot, put, put, read, remove, remove, remove, split, store, uninit, write

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedKeyPage

public FixedKeyPage()

Method Detail

init

public void init(Btree btree,
                 byte[] pageId,
                 byte[] pageBuffer,
                 boolean isNew)
          throws StorageException

Initialize a newly-instantiated or recycled FixedKeyPage. Note that the isNew parameter pertains to whether a new page is being added to the btree, not to whether this BtreePage object is new or recycled.

Overrides:

init in class BtreePage

Parameters:

btree - btree to which this page belongs

pageId - page ID in byte array

pageBuffer - page buffer

isNew - is this page new to the btree

Throws:

StorageException