org.apache.poi.hslf.record
Class PositionDependentRecordAtom

java.lang.Object
  org.apache.poi.hslf.record.Record
      org.apache.poi.hslf.record.RecordAtom
          org.apache.poi.hslf.record.PositionDependentRecordAtom

All Implemented Interfaces:

PositionDependentRecord

Direct Known Subclasses:

PersistPtrHolder, UserEditAtom

public abstract class PositionDependentRecordAtom
extends RecordAtom
implements PositionDependentRecord

A special (and dangerous) kind of Record Atom that cares about where it lives on the disk, or who has other Atoms that care about where this is on the disk.

Author:

Nick Burch

Field Summary

protected int

myLastOnDiskOffset Our location on the disk, as of the last write out

Fields inherited from class org.apache.poi.hslf.record.Record

logger

Constructor Summary

PositionDependentRecordAtom()

Method Summary

int	getLastOnDiskOffset() Fetch our location on the disk, as of the last write out
void	setLastOnDiskOffset(int offset) Update the Record's idea of where on disk it lives, after a write out.
abstract void	updateOtherRecordReferences(java.util.Hashtable<java.lang.Integer,java.lang.Integer> oldToNewReferencesLookup) Offer the record the list of records that have changed their location as part of the writeout.

Methods inherited from class org.apache.poi.hslf.record.RecordAtom

getChildRecords, isAnAtom

Methods inherited from class org.apache.poi.hslf.record.Record

buildRecordAtOffset, createRecordForType, findChildRecords, getRecordType, writeLittleEndian, writeLittleEndian, writeOut

Methods inherited from class java.lang.Object

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

Field Detail

myLastOnDiskOffset

protected int myLastOnDiskOffset

Our location on the disk, as of the last write out

Constructor Detail

PositionDependentRecordAtom

public PositionDependentRecordAtom()

Method Detail

getLastOnDiskOffset

public int getLastOnDiskOffset()

Fetch our location on the disk, as of the last write out

Specified by:

getLastOnDiskOffset in interface PositionDependentRecord

setLastOnDiskOffset

public void setLastOnDiskOffset(int offset)

Update the Record's idea of where on disk it lives, after a write out. Use with care...

Specified by:

setLastOnDiskOffset in interface PositionDependentRecord

updateOtherRecordReferences

public abstract void updateOtherRecordReferences(java.util.Hashtable<java.lang.Integer,java.lang.Integer> oldToNewReferencesLookup)

Offer the record the list of records that have changed their location as part of the writeout. Allows records to update their internal pointers to other records locations

Specified by:

updateOtherRecordReferences in interface PositionDependentRecord