com.caucho.transaction.xalog
Class XALogStream

java.lang.Object
  com.caucho.transaction.xalog.AbstractXALogStream
      com.caucho.transaction.xalog.XALogStream

public class XALogStream
extends AbstractXALogStream

Implements a single log stream. Each log stream has two associated files in order to switch at the end of the file.

Field Summary

static int	LOG_HEADER_BEGIN
static int	LOG_HEADER_END
static int	RA_DATA_END
static int	RA_DATA_PART
static int	TM_COMMIT
static int	TM_FINISH

Method Summary

boolean	isFlushing() Returns true if the stream is flushing.
void	readRecord(ReadStream is, int code) Reads a record.
void	readXid(ReadStream is, XidImpl xid) Reads a record.
void	writeTMCommit(XidImpl xid) Writes a commit entry to the log file.
void	writeTMFinish(XidImpl xid) Writes a finish entry to the log file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG_HEADER_BEGIN

public static final int LOG_HEADER_BEGIN

See Also:

Constant Field Values

LOG_HEADER_END

public static final int LOG_HEADER_END

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Constant Field Values

TM_COMMIT

public static final int TM_COMMIT

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Constant Field Values

TM_FINISH

public static final int TM_FINISH

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Constant Field Values

RA_DATA_PART

public static final int RA_DATA_PART

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Constant Field Values

RA_DATA_END

public static final int RA_DATA_END

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Constant Field Values

Method Detail

readRecord

public void readRecord(ReadStream is,
                       int code)
                throws java.io.IOException

Reads a record.

Throws:

java.io.IOException

readXid

public void readXid(ReadStream is,
                    XidImpl xid)
             throws java.io.IOException

Reads a record.

Throws:

java.io.IOException

isFlushing

public boolean isFlushing()

Returns true if the stream is flushing.

writeTMCommit

public void writeTMCommit(XidImpl xid)

Writes a commit entry to the log file.

Specified by:

writeTMCommit in class AbstractXALogStream

writeTMFinish

public void writeTMFinish(XidImpl xid)

Writes a finish entry to the log file.

Specified by:

writeTMFinish in class AbstractXALogStream