Java Doc for ContainerBasicOperation.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.ContainerBasicOperation

All known Subclasses:   org.apache.derby.impl.store.raw.data.ContainerUndoOperation,  org.apache.derby.impl.store.raw.data.ContainerOperation,
ContainerBasicOperation
abstract public class ContainerBasicOperation implements Loggable(Code)
A Container Operation change the state of the container. A ContainerBasicOperation is the base class for all container operations.


Field Summary
protected transient  RawContainerHandlecontainerHdl
    
protected  ContainerKeycontainerId
    

Constructor Summary
protected  ContainerBasicOperation(RawContainerHandle hdl)
    
public  ContainerBasicOperation()
    

Method Summary
protected  RawContainerHandlefindContainer(Transaction tran)
     Open the container with this segmentId and containerId.
protected  RawContainerHandlefindContainerForRedoRecovery(RawTransaction tran)
    
public  ByteArraygetPreparedLog()
     the default for prepared log is always null for all the operations that don't have optionalData.
public  intgroup()
    
public  booleanneedsRedo(Transaction xact)
    
public  voidreadExternal(ObjectInput in)
    
public  voidreleaseResource(Transaction tran)
    
public  StringtoString()
    
public  voidwriteExternal(ObjectOutput out)
    

Field Detail
containerHdl
protected transient RawContainerHandle containerHdl(Code)



containerId
protected ContainerKey containerId(Code)




Constructor Detail
ContainerBasicOperation
protected ContainerBasicOperation(RawContainerHandle hdl) throws StandardException(Code)



ContainerBasicOperation
public ContainerBasicOperation()(Code)




Method Detail
findContainer
protected RawContainerHandle findContainer(Transaction tran) throws StandardException(Code)
Open the container with this segmentId and containerId. This method should only be called if the container has already been created.
exception:
  StandardException - the container cannot be found or cannot beopened.



findContainerForRedoRecovery
protected RawContainerHandle findContainerForRedoRecovery(RawTransaction tran) throws StandardException(Code)
Subclass (e.g., ContainerOperation) that wishes to do something abou missing container in load tran should override this method to return the recreated container
exception:
  StandardException - Cloudscape Standard error policy



getPreparedLog
public ByteArray getPreparedLog()(Code)
the default for prepared log is always null for all the operations that don't have optionalData. If an operation has optional data, the operation need to prepare the optional data for this method. Space Operation has no optional data to write out



group
public int group()(Code)
A space operation is a RAWSTORE log record



needsRedo
public boolean needsRedo(Transaction xact) throws StandardException(Code)

exception:
  StandardException - Standard Cloudscape error policy



readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code)



releaseResource
public void releaseResource(Transaction tran)(Code)



toString
public String toString()(Code)



writeExternal
public void writeExternal(ObjectOutput out) throws IOException(Code)



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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