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


java.lang.Object
   org.apache.derby.impl.store.raw.log.LogRecord

LogRecord
public class LogRecord implements Formatable(Code)
The log record written out to disk. This log record includes:

The is a holder object that may be setup using the setValue() and re-used rather than creating a new object for each actual log record.

 The format of a log record is


Field Summary
transient  ObjectInputinput
    

Constructor Summary
public  LogRecord()
    

Method Summary
public static  intformatOverhead()
    
public  LoggablegetLoggable()
    
public  RePreparablegetRePreparable()
    
public static  intgetStoredSize(int group, TransactionId xactId)
    
public  TransactionIdgetTransactionId()
    
public  intgetTypeFormatId()
     Return my format identifier.
public  UndoablegetUndoable()
    
public  intgroup()
    
public  booleanisAbort()
    
public  booleanisCLR()
    
public  booleanisChecksum()
    
public  booleanisCommit()
    
public  booleanisComplete()
    
public  booleanisFirst()
    
public  booleanisPrepare()
    
public static  intmaxGroupStoredSize()
    
public static  intmaxTransactionIdStoredSize(TransactionId tranId)
    
public  voidreadExternal(ObjectInput in)
    
public  booleanrequiresPrepareLocks()
    
public  voidsetValue(TransactionId xactId, Loggable op)
    
public  voidskipLoggable()
     Skip over the loggable.
public  voidwriteExternal(ObjectOutput out)
     Write this out.

Field Detail
input
transient ObjectInput input(Code)




Constructor Detail
LogRecord
public LogRecord()(Code)




Method Detail
formatOverhead
public static int formatOverhead()(Code)



getLoggable
public Loggable getLoggable() throws IOException, ClassNotFoundException(Code)



getRePreparable
public RePreparable getRePreparable() throws IOException, ClassNotFoundException(Code)



getStoredSize
public static int getStoredSize(int group, TransactionId xactId)(Code)



getTransactionId
public TransactionId getTransactionId() throws IOException, ClassNotFoundException(Code)



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



getUndoable
public Undoable getUndoable() throws IOException, ClassNotFoundException(Code)



group
public int group()(Code)



isAbort
public boolean isAbort()(Code)



isCLR
public boolean isCLR()(Code)



isChecksum
public boolean isChecksum()(Code)



isCommit
public boolean isCommit()(Code)



isComplete
public boolean isComplete()(Code)



isFirst
public boolean isFirst()(Code)



isPrepare
public boolean isPrepare()(Code)



maxGroupStoredSize
public static int maxGroupStoredSize()(Code)



maxTransactionIdStoredSize
public static int maxTransactionIdStoredSize(TransactionId tranId)(Code)



readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code)
Read this in
exception:
  IOException - error reading from log stream
exception:
  ClassNotFoundException - corrupted log stream



requiresPrepareLocks
public boolean requiresPrepareLocks()(Code)



setValue
public void setValue(TransactionId xactId, Loggable op)(Code)



skipLoggable
public void skipLoggable() throws StandardException(Code)
Skip over the loggable. Set the input stream to point ot after the loggable as if the entire log record has been sucked in by the log record
exception:
  StandardException - if the loggable is not found, log is corrupt



writeExternal
public void writeExternal(ObjectOutput out) throws IOException(Code)
Write this out.
exception:
  IOException - error writing to log stream



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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