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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.InitPageOperation InitPageOperation final public class InitPageOperation extends PhysicalPageOperation (Code) This operation initializes the page that is being allocated, this operation does not change the alloc page information. Field Summary protected  int initFlag      protected  int nextRecordId      protected  boolean overflowPage      protected  int pageFormatId      protected  long pageOffset      protected  boolean reuse      Constructor Summary public   InitPageOperation(BasePage page, int flag, int formatid, long offset)      public   InitPageOperation()      Method Summary public  void doMe(Transaction xact, LogInstant instant, LimitObjectInput in)      protected  BasePage getPageForRedoRecovery(Transaction xact)      If we are in load tran, this page may not exist for the container yet. 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)      public  void writeExternal(ObjectOutput out)      Write this out. Field Detail initFlag protected int initFlag(Code) nextRecordId protected int nextRecordId(Code) overflowPage protected boolean overflowPage(Code) pageFormatId protected int pageFormatId(Code) pageOffset protected long pageOffset(Code) reuse protected boolean reuse(Code) Constructor Detail InitPageOperation public InitPageOperation(BasePage page, int flag, int formatid, long offset) throws StandardException(Code) InitPageOperation public InitPageOperation()(Code) Method Detail doMe public void doMe(Transaction xact, LogInstant instant, LimitObjectInput in) throws StandardException, IOException(Code) Mark the page as valid, and clear out any crud from the page 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 getPageForRedoRecovery protected BasePage getPageForRedoRecovery(Transaction xact) throws StandardException(Code) If we are in load tran, this page may not exist for the container yet. We need to create it first. This routine is called as the last resort of find page, the container handle has already been found and it is not dropped. exception:   StandardException - Standard Cloudscape policy. 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) Mark the page as free exception:   StandardException - Thrown by methods I call exception:   IOException - Thrown by methods I call See Also:   PhysicalPageOperation.undoMe writeExternal public void writeExternal(ObjectOutput out) throws IOException(Code) Write this out. exception:   IOException - error writing to log stream 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)