Java Doc for UpdateOperation.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.PhysicalPageOperation          org.apache.derby.impl.store.raw.data.UpdateOperation UpdateOperation final public class UpdateOperation extends PhysicalPageOperation (Code) Represents the update of a particular row on a page. Field Summary protected  int doMeSlot      protected transient  int nextColumn      protected transient  ByteArray preparedLog      protected  int recordId      Constructor Summary public   UpdateOperation(RawTransaction t, BasePage page, int slot, int recordId, Object[] row, FormatableBitSet validColumns, int realStartColumn, DynamicByteArrayOutputStream logBuffer, int realSpaceOnPage, RecordHandle headRowHandle)      public   UpdateOperation()      Method Summary public  void doMe(Transaction xact, LogInstant instant, LimitObjectInput in)      Store the new record directly over the old record, the implementation of storeRecord is responsible for removing any old data. public  int getNextStartColumn()      public  ByteArray getPreparedLog()      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()      public  void undoMe(Transaction xact, BasePage undoPage, LogInstant CLRInstant, LimitObjectInput in)      Store the old record directly over the new record, the implementation of storeRecord is responsible for removing any new data. public  void writeExternal(ObjectOutput out)      Field Detail doMeSlot protected int doMeSlot(Code) nextColumn protected transient int nextColumn(Code) preparedLog protected transient ByteArray preparedLog(Code) recordId protected int recordId(Code) Constructor Detail UpdateOperation public UpdateOperation(RawTransaction t, BasePage page, int slot, int recordId, Object[] row, FormatableBitSet validColumns, int realStartColumn, DynamicByteArrayOutputStream logBuffer, int realSpaceOnPage, RecordHandle headRowHandle) throws StandardException(Code) UpdateOperation public UpdateOperation()(Code) Method Detail doMe public void doMe(Transaction xact, LogInstant instant, LimitObjectInput in) throws StandardException, IOException(Code) Store the new record directly over the old record, the implementation of storeRecord is responsible for removing any old data. exception:   StandardException - Thrown by methods I call exception:   IOException - Thrown by methods I call See Also:   BasePage.storeRecord See Also:   org.apache.derby.iapi.store.raw.Loggable.doMe getNextStartColumn public int getNextStartColumn()(Code) Return the last column of the row this operation logged 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 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) undoMe public void undoMe(Transaction xact, BasePage undoPage, LogInstant CLRInstant, LimitObjectInput in) throws StandardException, IOException(Code) Store the old record directly over the new record, the implementation of storeRecord is responsible for removing any new data. exception:   StandardException - Thrown by methods I call exception:   IOException - Thrown by methods I call See Also:   BasePage.storeRecord See Also:   PhysicalPageOperation.undoMe writeExternal public void writeExternal(ObjectOutput out) throws IOException(Code) Methods inherited from org.apache.derby.impl.store.raw.data.PhysicalPageOperation public Compensation generateUndo(Transaction xact, LimitObjectInput in) throws StandardException(Code)(Java Doc) abstract public void undoMe(Transaction xact, BasePage undoPage, LogInstant CLRinstant, LimitObjectInput in) throws StandardException, 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)