public final class SetReservedSpaceOperation extends PageBasicOperation
Modifier and Type | Field and Description |
---|---|
protected int |
doMeSlot |
protected int |
newValue |
protected int |
oldValue |
protected int |
recordId |
containerHdl, foundHere, page
ABORT, BI_LOG, CHECKSUM, COMMIT, COMPENSATION, FILE_RESOURCE, FIRST, LAST, PREPARE, RAWSTORE, XA_NEEDLOCK
Constructor and Description |
---|
SetReservedSpaceOperation() |
SetReservedSpaceOperation(BasePage page,
int slot,
int recordId,
int newValue,
int oldValue) |
Modifier and Type | Method and Description |
---|---|
void |
doMe(Transaction xact,
LogInstant instant,
LimitObjectInput in)
Apply the change indicated by this operation and optional data.
|
int |
getTypeFormatId()
Return my format identifier.
|
void |
readExternal(java.io.ObjectInput in)
Read this in
|
void |
restoreMe(Transaction xact,
BasePage undoPage,
LogInstant CLRinstant,
LimitObjectInput in)
restore the before image of the page
|
java.lang.String |
toString()
DEBUG: Print self.
|
void |
writeExternal(java.io.ObjectOutput out) |
findpage, getPage, getPageForRedoRecovery, getPageId, getPageVersion, getPreparedLog, group, needsRedo, reclaimPrepareLocks, releaseResource, resetPageNumber
protected int doMeSlot
protected int recordId
protected int newValue
protected int oldValue
SetReservedSpaceOperation(BasePage page, int slot, int recordId, int newValue, int oldValue)
public SetReservedSpaceOperation()
public int getTypeFormatId()
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
writeExternal
in interface java.io.Externalizable
writeExternal
in class PageBasicOperation
java.io.IOException
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
readExternal
in interface java.io.Externalizable
readExternal
in class PageBasicOperation
java.io.IOException
- error reading from log streamjava.lang.ClassNotFoundException
- log stream corruptedpublic void doMe(Transaction xact, LogInstant instant, LimitObjectInput in) throws StandardException, java.io.IOException
Loggable
The available() method of in indicates how much data can be read, i.e. how much was originally written.
xact
- the Transactioninstant
- the log instant of this operationin
- optional datajava.io.IOException
- Can be thrown by any of the methods of ObjectInput.StandardException
- Standard Derby policy.Loggable.doMe(org.apache.derby.iapi.store.raw.Transaction, org.apache.derby.iapi.store.raw.log.LogInstant, org.apache.derby.iapi.services.io.LimitObjectInput)
public void restoreMe(Transaction xact, BasePage undoPage, LogInstant CLRinstant, LimitObjectInput in) throws StandardException, java.io.IOException
restoreMe
in class PageBasicOperation
xact
- the Transaction doing the rollbackundoPage
- the page to rollback changes onCLRinstant
- the log instant of this (PageUndo) operationin
- optional data for the rollback operationStandardException
- Standard Derby Error Policyjava.io.IOException
- problem reading the complete log record from the
input streampublic java.lang.String toString()
toString
in class PageBasicOperation
Apache Derby V10.13 Internals - Copyright © 2004,2016 The Apache Software Foundation. All Rights Reserved.