Java Doc for ReplicateLogEntries.java in  » Database-JDBC-Connection-Pool » sequoia-2.10.9 » org » continuent » sequoia » controller » virtualdatabase » protocol » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » sequoia 2.10.9 » org.continuent.sequoia.controller.virtualdatabase.protocol 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.continuent.sequoia.controller.virtualdatabase.protocol.DistributedVirtualDatabaseMessage
      org.continuent.sequoia.controller.virtualdatabase.protocol.ReplicateLogEntries

ReplicateLogEntries
public class ReplicateLogEntries extends DistributedVirtualDatabaseMessage (Code)
This message is used both to prepare the sending of a set of log entries to a remote controller's vdb recovery log (intialization) and to terminate it (termination). Initialization is the second step of the process to rebuild the remote recovery log from a live one, termination is the final step of the process. The process is as such so that eventually the remote vdb backends can be restored from dumps. Upon reception of this message for the initialisation phase (identified by a null dumpCheckpointName), the remote recovery log is cleared from the beginning upto the 'now' checkpoint. Subsequently, CopyLogEntry messages are sent and log entries are inserted 'as are' into the remote recovery log. Then, upon reception of this message for the termination phase (non-null dumpCheckpointName), the remote recovery log makes the dumpCheckpointName available for restore operations.
See Also:   CopyLogEntry
author:
   Emmanuel Cecchet
version:
   1.0



Constructor Summary
public  ReplicateLogEntries(String checkpointName, String dumpCheckpointName, String dumpName, long checkpointId)
     Creates a new ReplicateLogEntries message
Parameters:
  checkpointName - The checkpoint (aka now checkpoint) before wichentries are to be replaced.
Parameters:
  dumpCheckpointName - The dump checkoint from which entries are to bereplaced.

Method Summary
public  longgetCheckpointId()
     Returns the Checkpoint id.
public  StringgetCheckpointName()
     Returns the checkpointName value.
public  StringgetDumpCheckpointName()
     Returns the dump checkpoint name .
public  SerializablehandleMessageMultiThreaded(DistributedVirtualDatabase dvdb, Member sender, Object handleMessageSingleThreadedResult)
    
public  ObjecthandleMessageSingleThreaded(DistributedVirtualDatabase dvdb, Member sender)
    
 voidperformInitializationPhase(DistributedVirtualDatabase dvdb)
    
 voidperformSanityChecks(DistributedVirtualDatabase dvdb)
    
 voidperformTerminationPhase(DistributedVirtualDatabase dvdb)
    


Constructor Detail
ReplicateLogEntries
public ReplicateLogEntries(String checkpointName, String dumpCheckpointName, String dumpName, long checkpointId)(Code)
Creates a new ReplicateLogEntries message
Parameters:
  checkpointName - The checkpoint (aka now checkpoint) before wichentries are to be replaced.
Parameters:
  dumpCheckpointName - The dump checkoint from which entries are to bereplaced. If this one is null, the recovery log is reset.
Parameters:
  dumpName - the name of the dump associated to dumpCheckpointName.
Parameters:
  checkpointId - The id associated to checkpoint THIS ID SHOULD BEHIDDEN




Method Detail
getCheckpointId
public long getCheckpointId()(Code)
Returns the Checkpoint id. the Checkpoint id



getCheckpointName
public String getCheckpointName()(Code)
Returns the checkpointName value. Returns the 'now' checkpointName.



getDumpCheckpointName
public String getDumpCheckpointName()(Code)
Returns the dump checkpoint name . Returns the dump CheckpointName.



handleMessageMultiThreaded
public Serializable handleMessageMultiThreaded(DistributedVirtualDatabase dvdb, Member sender, Object handleMessageSingleThreadedResult)(Code)

See Also:   org.continuent.sequoia.controller.virtualdatabase.protocol.DistributedVirtualDatabaseMessage.handleMessageMultiThreaded(org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabaseorg.continuent.hedera.common.Memberjava.lang.Object)



handleMessageSingleThreaded
public Object handleMessageSingleThreaded(DistributedVirtualDatabase dvdb, Member sender)(Code)

See Also:   org.continuent.sequoia.controller.virtualdatabase.protocol.DistributedVirtualDatabaseMessage.handleMessageSingleThreaded(org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabaseorg.continuent.hedera.common.Member)



performInitializationPhase
void performInitializationPhase(DistributedVirtualDatabase dvdb) throws SQLException(Code)



performSanityChecks
void performSanityChecks(DistributedVirtualDatabase dvdb) throws VirtualDatabaseException, SQLException(Code)



performTerminationPhase
void performTerminationPhase(DistributedVirtualDatabase dvdb) throws SQLException, VirtualDatabaseException(Code)



Methods inherited from org.continuent.sequoia.controller.virtualdatabase.protocol.DistributedVirtualDatabaseMessage
public void cancel(DistributedVirtualDatabase dvdb)(Code)(Java Doc)
abstract public Serializable handleMessageMultiThreaded(DistributedVirtualDatabase dvdb, Member sender, Object handleMessageSingleThreadedResult)(Code)(Java Doc)
abstract public Object handleMessageSingleThreaded(DistributedVirtualDatabase dvdb, Member sender)(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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