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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.LogicalPageOperation
         org.apache.derby.impl.store.raw.data.InsertOperation

InsertOperation
final public class InsertOperation extends LogicalPageOperation (Code)
Represents an insert of a record onto a page.

See Also:   Page.insertAtSlot


Field Summary
protected  intdoMeSlot
    
protected  byteinsertFlag
    
protected transient  ByteArraypreparedLog
    
protected transient  intstartColumn
     next column that need to be inserted.

Constructor Summary
public  InsertOperation(RawTransaction t, BasePage page, int slot, int recordId, Object[] row, FormatableBitSet validColumns, LogicalUndo undo, byte insertFlag, int startColumn, boolean isLongColumn, int realStartColumn, DynamicByteArrayOutputStream logBuffer, int realSpaceOnPage, int overflowThreshold)
    
public  InsertOperation()
    

Method Summary
public  voiddoMe(Transaction xact, LogInstant instant, LimitObjectInput in)
    
public  intgetNextStartColumn()
    
public  ByteArraygetPreparedLog()
    
public  intgetTypeFormatId()
     Return my format identifier.
public  voidreadExternal(ObjectInput in)
    
public  voidrestoreLoggedRow(Object[] row, LimitObjectInput in)
     Restore the row stored in the optional data of the log record.
public  voidrestoreMe(Transaction xact, BasePage undoPage, LogInstant CLRinstant, LimitObjectInput in)
    
public  StringtoString()
     DEBUG: Print self.
public  voidundoMe(Transaction xact, BasePage undoPage, int undoRecordId, LogInstant CLRInstant, LimitObjectInput in)
     Undo the insert by simply marking the just inserted record as deleted.
public  voidwriteExternal(ObjectOutput out)
     Write this out.

Field Detail
doMeSlot
protected int doMeSlot(Code)



insertFlag
protected byte insertFlag(Code)



preparedLog
protected transient ByteArray preparedLog(Code)



startColumn
protected transient int startColumn(Code)
next column that need to be inserted.




Constructor Detail
InsertOperation
public InsertOperation(RawTransaction t, BasePage page, int slot, int recordId, Object[] row, FormatableBitSet validColumns, LogicalUndo undo, byte insertFlag, int startColumn, boolean isLongColumn, int realStartColumn, DynamicByteArrayOutputStream logBuffer, int realSpaceOnPage, int overflowThreshold) throws StandardException(Code)



InsertOperation
public InsertOperation()(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



getNextStartColumn
public int getNextStartColumn()(Code)



getPreparedLog
public ByteArray getPreparedLog()(Code)



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



restoreLoggedRow
public void restoreLoggedRow(Object[] row, LimitObjectInput in) throws StandardException, IOException(Code)
Restore the row stored in the optional data of the log record.
exception:
  IOException - error reading from log stream
exception:
  StandardException - Standard Cloudscape error policy



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.



undoMe
public void undoMe(Transaction xact, BasePage undoPage, int undoRecordId, LogInstant CLRInstant, LimitObjectInput in) throws StandardException, IOException(Code)
Undo the insert by simply marking the just inserted record as deleted. All logical undo logic has already been taken care of by generateUndo.
exception:
  IOException - Can be thrown by any of the methods of ObjectInput.
exception:
  StandardException - Standard Cloudscape policy.
See Also:   LogicalPageOperation.undoMe



writeExternal
public void writeExternal(ObjectOutput out) throws IOException(Code)
Write this out.
exception:
  IOException - error writing to log stream



Fields inherited from org.apache.derby.impl.store.raw.data.LogicalPageOperation
protected int recordId(Code)(Java Doc)
protected LogicalUndo undo(Code)(Java Doc)

Methods inherited from org.apache.derby.impl.store.raw.data.LogicalPageOperation
public Compensation generateUndo(Transaction xact, LimitObjectInput in) throws StandardException, IOException(Code)(Java Doc)
public ContainerHandle getContainer()(Code)(Java Doc)
public RecordHandle getRecordHandle()(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 resetRecordHandle(RecordHandle rh)(Code)(Java Doc)
abstract public void undoMe(Transaction xact, BasePage undoPage, int undoRecordId, LogInstant CLRinstant, LimitObjectInput in) throws StandardException, IOException(Code)(Java Doc)
public void writeExternal(ObjectOutput out) throws IOException(Code)(Java Doc)

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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