Java Doc for SetReservedSpaceOperation.java in » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » store » raw » data » Java Source Code / Java DocumentationJava Source Code and Java Documentation
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Java Source Code / Java Documentation
»
Database DBMS
»
db derby 10.2
»
org.apache.derby.impl.store.raw.data
Source Cross Reference
Class Diagram
Java Document (Java Doc)
java.lang
.Object
org.apache.derby.impl.store.raw.data
.PageBasicOperation
org.apache.derby.impl.store.raw.data
.SetReservedSpaceOperation
SetReservedSpaceOperation
public
class SetReservedSpaceOperation extends
PageBasicOperation
(Code)
Represents shrinking of the reserved space of a particular row on a page. This operation is not undoable.
Field Summary
protected
int
doMeSlot
protected
int
newValue
protected
int
oldValue
protected
int
recordId
Constructor Summary
public
SetReservedSpaceOperation
(
BasePage
page, int slot, int recordId, int newValue, int oldValue)
public
SetReservedSpaceOperation
()
Method Summary
public
void
doMe
(
Transaction
xact,
LogInstant
instant,
LimitObjectInput
in)
public
int
getTypeFormatId
()
Return my format identifier.
public
void
readExternal
(
ObjectInput
in)
public
void
restoreMe
(
Transaction
xact,
BasePage
undoPage,
LogInstant
CLRinstant,
LimitObjectInput
in)
public
String
toString
()
DEBUG: Print self.
public
void
writeExternal
(
ObjectOutput
out)
Field Detail
doMeSlot
protected
int doMeSlot
(Code)
newValue
protected
int newValue
(Code)
oldValue
protected
int oldValue
(Code)
recordId
protected
int recordId
(Code)
Constructor Detail
SetReservedSpaceOperation
public
SetReservedSpaceOperation(
BasePage
page, int slot, int recordId, int newValue, int oldValue)
(Code)
SetReservedSpaceOperation
public
SetReservedSpaceOperation()
(Code)
Method Detail
doMe
public
void doMe(
Transaction
xact,
LogInstant
instant,
LimitObjectInput
in) throws
StandardException
,
IOException
(Code)
exception:
IOException
- Can be thrown by any of the methods of ObjectInput.
exception:
StandardException
- Standard Cloudscape policy.
See Also:
org.apache.derby.iapi.store.raw.Loggable.doMe
getTypeFormatId
public
int getTypeFormatId()
(Code)
Return my format identifier.
readExternal
public
void readExternal(
ObjectInput
in) throws
IOException
,
ClassNotFoundException
(Code)
Read this in
exception:
IOException
- error reading from log stream
exception:
ClassNotFoundException
- log stream corrupted
restoreMe
public
void restoreMe(
Transaction
xact,
BasePage
undoPage,
LogInstant
CLRinstant,
LimitObjectInput
in) throws
StandardException
,
IOException
(Code)
restore the before image of the page
exception:
StandardException
- Standard Cloudscape Error Policy
exception:
IOException
- problem reading the complete log record from theinput stream
toString
public
String
toString()
(Code)
DEBUG: Print self.
writeExternal
public
void writeExternal(
ObjectOutput
out) throws
IOException
(Code)
Fields inherited from
org.apache.derby.impl.store.raw.data.PageBasicOperation
protected
transient
RawContainerHandle
containerHdl
(Code)
(Java Doc)
protected
transient boolean foundHere
(Code)
(Java Doc)
protected
transient
BasePage
page
(Code)
(Java Doc)
Methods inherited from
org.apache.derby.impl.store.raw.data.PageBasicOperation
final
public
BasePage
findpage(
Transaction
xact) throws
StandardException
(Code)
(Java Doc)
final
public
Page
getPage()
(Code)
(Java Doc)
protected
BasePage
getPageForRedoRecovery(
Transaction
xact) throws
StandardException
(Code)
(Java Doc)
final
protected
PageKey
getPageId()
(Code)
(Java Doc)
final
public
long getPageVersion()
(Code)
(Java Doc)
public
ByteArray
getPreparedLog() throws
StandardException
(Code)
(Java Doc)
public
int group()
(Code)
(Java Doc)
final
public
boolean needsRedo(
Transaction
xact) throws
StandardException
(Code)
(Java Doc)
public
void readExternal(
ObjectInput
in) throws
IOException
,
ClassNotFoundException
(Code)
(Java Doc)
public
void reclaimPrepareLocks(
Transaction
t,
LockingPolicy
locking_policy) throws
StandardException
(Code)
(Java Doc)
public
void releaseResource(
Transaction
xact)
(Code)
(Java Doc)
final
protected
void resetPageNumber(long pageNumber)
(Code)
(Java Doc)
abstract
public
void restoreMe(
Transaction
xact,
BasePage
undoPage,
LogInstant
CLRinstant,
LimitObjectInput
in) throws
StandardException
,
IOException
(Code)
(Java Doc)
public
String
toString()
(Code)
(Java Doc)
public
void writeExternal(
ObjectOutput
out) throws
IOException
(Code)
(Java Doc)
Methods inherited from
java.lang.Object
native
protected
Object
clone() throws
CloneNotSupportedException
(Code)
(Java Doc)
public
boolean equals(
Object
obj)
(Code)
(Java Doc)
protected
void finalize() throws
Throwable
(Code)
(Java Doc)
final native
public
Class
> getClass()
(Code)
(Java Doc)
native
public
int hashCode()
(Code)
(Java Doc)
final native
public
void notify()
(Code)
(Java Doc)
final native
public
void notifyAll()
(Code)
(Java Doc)
public
String
toString()
(Code)
(Java Doc)
final native
public
void wait(long timeout) throws
InterruptedException
(Code)
(Java Doc)
final
public
void wait(long timeout, int nanos) throws
InterruptedException
(Code)
(Java Doc)
final
public
void wait() throws
InterruptedException
(Code)
(Java Doc)
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