org.apache.geronimo.transaction.log
Class HOWLLog

java.lang.Object
  extended by org.apache.geronimo.transaction.log.HOWLLog
All Implemented Interfaces:
TransactionLog

public class HOWLLog
extends Object
implements TransactionLog

Version:
$Rev: 723385 $ $Date: 2008-12-04 12:55:02 -0500 (Thu, 04 Dec 2008) $

Constructor Summary
HOWLLog(String bufferClassName, int bufferSize, boolean checksumEnabled, boolean adler32Checksum, int flushSleepTimeMilliseconds, String logFileDir, String logFileExt, String logFileName, int maxBlocksPerFile, int maxBuffers, int maxLogFiles, int minBuffers, int threadsWaitingForceThreshold, XidFactory xidFactory, File serverBaseDir)
           
 
Method Summary
 void begin(Xid xid)
           
 void commit(Xid xid, Object logMark)
           
 void doFail()
           
 void doStart()
           
 void doStop()
           
 int getAverageBytesPerForce()
           
 int getAverageForceTime()
           
 String getBufferClassName()
           
 int getBufferSizeKBytes()
           
 int getFlushSleepTimeMilliseconds()
           
 String getLogFileDir()
           
 String getLogFileExt()
           
 String getLogFileName()
           
 int getMaxBlocksPerFile()
           
 int getMaxBuffers()
           
 int getMaxLogFiles()
           
 int getMinBuffers()
           
 int getThreadsWaitingForceThreshold()
           
 String getXMLStats()
           
 boolean isAdler32ChecksumEnabled()
           
 boolean isChecksumEnabled()
           
 Object prepare(Xid xid, List branches)
          log prepare for the global xid xid and the list of TransactionBranchInfo branches
 Collection recover(XidFactory xidFactory)
          Recovers the log, returning a map of (top level) xid to List of TransactionBranchInfo for the branches.
 void rollback(Xid xid, Object logMark)
           
 void setAdler32Checksum(boolean checksumOption)
           
 void setBufferClassName(String bufferClassName)
           
 void setBufferSizeKBytes(int bufferSize)
           
 void setChecksumEnabled(boolean checksumOption)
           
 void setFlushSleepTimeMilliseconds(int flushSleepTime)
           
 void setLogFileDir(String logDirName)
           
 void setLogFileExt(String logFileExt)
           
 void setLogFileName(String logFileName)
           
 void setMaxBlocksPerFile(int maxBlocksPerFile)
           
 void setMaxBuffers(int maxBuffers)
           
 void setMaxLogFiles(int maxLogFiles)
           
 void setMinBuffers(int minBuffers)
           
 void setThreadsWaitingForceThreshold(int threadsWaitingForceThreshold)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

HOWLLog

public HOWLLog(String bufferClassName,
               int bufferSize,
               boolean checksumEnabled,
               boolean adler32Checksum,
               int flushSleepTimeMilliseconds,
               String logFileDir,
               String logFileExt,
               String logFileName,
               int maxBlocksPerFile,
               int maxBuffers,
               int maxLogFiles,
               int minBuffers,
               int threadsWaitingForceThreshold,
               XidFactory xidFactory,
               File serverBaseDir)
        throws IOException,
               org.objectweb.howl.log.LogConfigurationException
Throws:
IOException
org.objectweb.howl.log.LogConfigurationException
Method Detail

getLogFileDir

public String getLogFileDir()

setLogFileDir

public void setLogFileDir(String logDirName)

getLogFileExt

public String getLogFileExt()

setLogFileExt

public void setLogFileExt(String logFileExt)

getLogFileName

public String getLogFileName()

setLogFileName

public void setLogFileName(String logFileName)

isChecksumEnabled

public boolean isChecksumEnabled()

setChecksumEnabled

public void setChecksumEnabled(boolean checksumOption)

isAdler32ChecksumEnabled

public boolean isAdler32ChecksumEnabled()

setAdler32Checksum

public void setAdler32Checksum(boolean checksumOption)

getBufferSizeKBytes

public int getBufferSizeKBytes()

setBufferSizeKBytes

public void setBufferSizeKBytes(int bufferSize)
                         throws org.objectweb.howl.log.LogConfigurationException
Throws:
org.objectweb.howl.log.LogConfigurationException

getBufferClassName

public String getBufferClassName()

setBufferClassName

public void setBufferClassName(String bufferClassName)

getMaxBuffers

public int getMaxBuffers()

setMaxBuffers

public void setMaxBuffers(int maxBuffers)
                   throws org.objectweb.howl.log.LogConfigurationException
Throws:
org.objectweb.howl.log.LogConfigurationException

getMinBuffers

public int getMinBuffers()

setMinBuffers

public void setMinBuffers(int minBuffers)
                   throws org.objectweb.howl.log.LogConfigurationException
Throws:
org.objectweb.howl.log.LogConfigurationException

getFlushSleepTimeMilliseconds

public int getFlushSleepTimeMilliseconds()

setFlushSleepTimeMilliseconds

public void setFlushSleepTimeMilliseconds(int flushSleepTime)

getThreadsWaitingForceThreshold

public int getThreadsWaitingForceThreshold()

setThreadsWaitingForceThreshold

public void setThreadsWaitingForceThreshold(int threadsWaitingForceThreshold)

getMaxBlocksPerFile

public int getMaxBlocksPerFile()

setMaxBlocksPerFile

public void setMaxBlocksPerFile(int maxBlocksPerFile)

getMaxLogFiles

public int getMaxLogFiles()

setMaxLogFiles

public void setMaxLogFiles(int maxLogFiles)

doStart

public void doStart()
             throws Exception
Throws:
Exception

doStop

public void doStop()
            throws Exception
Throws:
Exception

doFail

public void doFail()

begin

public void begin(Xid xid)
           throws LogException
Specified by:
begin in interface TransactionLog
Throws:
LogException

prepare

public Object prepare(Xid xid,
                      List branches)
               throws LogException
Description copied from interface: TransactionLog
log prepare for the global xid xid and the list of TransactionBranchInfo branches

Specified by:
prepare in interface TransactionLog
Parameters:
xid - global xid for the transactions
branches - List of TransactionBranchInfo
Throws:
LogException

commit

public void commit(Xid xid,
                   Object logMark)
            throws LogException
Specified by:
commit in interface TransactionLog
Throws:
LogException

rollback

public void rollback(Xid xid,
                     Object logMark)
              throws LogException
Specified by:
rollback in interface TransactionLog
Throws:
LogException

recover

public Collection recover(XidFactory xidFactory)
                   throws LogException
Description copied from interface: TransactionLog
Recovers the log, returning a map of (top level) xid to List of TransactionBranchInfo for the branches. Uses the XidFactory to reconstruct the xids.

Specified by:
recover in interface TransactionLog
Returns:
Map of recovered xid to List of TransactionBranchInfo representing the branches.
Throws:
LogException

getXMLStats

public String getXMLStats()
Specified by:
getXMLStats in interface TransactionLog

getAverageForceTime

public int getAverageForceTime()
Specified by:
getAverageForceTime in interface TransactionLog

getAverageBytesPerForce

public int getAverageBytesPerForce()
Specified by:
getAverageBytesPerForce in interface TransactionLog


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