Java Doc for BeginXact.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » store » raw » xact » 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.xact 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.derby.impl.store.raw.xact.BeginXact

BeginXact
public class BeginXact implements Loggable(Code)
This operation indicates the beginning of a transaction.
See Also:   Loggable


Field Summary
protected  inttransactionStatus
    
protected  GlobalTransactionIdxactId
    

Constructor Summary
public  BeginXact(GlobalTransactionId xid, int s)
    
public  BeginXact()
    

Method Summary
public  voiddoMe(Transaction xact, LogInstant instant, LimitObjectInput in)
     Apply the change indicated by this operation and optional data.
public  GlobalTransactionIdgetGlobalId()
    
public  ByteArraygetPreparedLog()
     the default for prepared log is always null for all the operations that don't have optionalData.
public  intgetTypeFormatId()
     Return my format identifier.
public  intgroup()
    
public  booleanneedsRedo(Transaction xact)
     Always redo a BeginXact.
public  voidreadExternal(ObjectInput in)
    
public  voidreleaseResource(Transaction xact)
    
public  StringtoString()
     DEBUG: Print self.
public  voidwriteExternal(ObjectOutput out)
    

Field Detail
transactionStatus
protected int transactionStatus(Code)



xactId
protected GlobalTransactionId xactId(Code)




Constructor Detail
BeginXact
public BeginXact(GlobalTransactionId xid, int s)(Code)



BeginXact
public BeginXact()(Code)




Method Detail
doMe
public void doMe(Transaction xact, LogInstant instant, LimitObjectInput in)(Code)
Apply the change indicated by this operation and optional data.
Parameters:
  xact - the Transaction
Parameters:
  instant - the log instant of this operation
Parameters:
  in - optional data



getGlobalId
public GlobalTransactionId getGlobalId()(Code)
BeginXact method



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. BeginXact has no optional data to write out
See Also:   ObjectOutput



getTypeFormatId
public int getTypeFormatId()(Code)
Return my format identifier.



group
public int group()(Code)
BeginXact is both a FIRST and a RAWSTORE log record



needsRedo
public boolean needsRedo(Transaction xact)(Code)
Always redo a BeginXact.
Parameters:
  xact - The transaction trying to redo this operation true if operation needs redoing, false if not.



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



releaseResource
public void releaseResource(Transaction xact)(Code)
BeginXact has no resource to release



toString
public String toString()(Code)
DEBUG: Print self.



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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