Quadcap Embeddable Database

com.quadcap.sql.file.Log2 Class Reference

Inheritance diagram for com.quadcap.sql.file.Log2:

List of all members.

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Detailed Description

Interface to logging subsystem.

Author:

Stan Bailes

Definition at line 56 of file Log2.java.

Public Member Functions
void	init (Datafile db, boolean create, Properties props) throws IOException
	Initialize the logging subsystem.
void	start ()
	Start the logging subsystem.
void	addEntry (LogEntry entry) throws IOException
	Add a transaction's log record to the end of the open log file.
void	reallyAddEntry (LogEntry entry) throws IOException
	XXX why public?
void	close () throws IOException
	Flush and close the log file.
void	flushLog () throws IOException
	Flush all log records to disk.
void	checkpoint () throws IOException
	Perform a checkpoint operation.
void	sync () throws IOException
	Wait for all queued ops to be processed by the log sync thread.
void	rollbackTransaction (Transaction trans) throws IOException
	Transaction rollback.
void	rollbackStatement (Transaction trans, int stmtId) throws IOException
	Statement rollback.
void	restart () throws Exception
	Restart from a previous state.

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Member Function Documentation

void com.quadcap.sql.file.Log2.addEntry (  LogEntry  entry  )  throws IOException

Add a transaction's log record to the end of the open log file. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 75 of file Log2.java. References com.quadcap.sql.file.Log2.addEntry(). Referenced by com.quadcap.sql.file.Log2.addEntry().

void com.quadcap.sql.file.Log2.checkpoint (   )  throws IOException

Perform a checkpoint operation. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 114 of file Log2.java. References com.quadcap.sql.file.Log1.reallyCheckpoint().

void com.quadcap.sql.file.Log2.close (   )  throws IOException

Flush and close the log file. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 93 of file Log2.java. References com.quadcap.sql.file.Logger.close(), and com.quadcap.sql.file.Log1.reallyClose().

void com.quadcap.sql.file.Log2.flushLog (   )  throws IOException

Flush all log records to disk. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 104 of file Log2.java. References com.quadcap.sql.file.Log1.maybeCheckpoint(), and com.quadcap.sql.file.Log1.reallyFlush().

void com.quadcap.sql.file.Log2.init (  Datafile  db, boolean  create, Properties  props )  throws IOException

Initialize the logging subsystem. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 61 of file Log2.java. References com.quadcap.sql.file.Log2.init(). Referenced by com.quadcap.sql.file.Log2.init().

void com.quadcap.sql.file.Log2.reallyAddEntry (  LogEntry  entry  )  throws IOException

XXX why public? Reimplemented from com.quadcap.sql.file.Log1. Definition at line 84 of file Log2.java. References com.quadcap.sql.file.Log2.reallyAddEntry(). Referenced by com.quadcap.sql.file.Log2.reallyAddEntry().

void com.quadcap.sql.file.Log2.restart (   )  throws Exception

Restart from a previous state. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 160 of file Log2.java. References com.quadcap.sql.file.Log1.reallyRestart().

void com.quadcap.sql.file.Log2.rollbackStatement (  Transaction  trans, int  stmtId )  throws IOException

Statement rollback. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 145 of file Log2.java. References com.quadcap.sql.file.Log2.rollbackStatement(). Referenced by com.quadcap.sql.file.Log2.rollbackStatement().

void com.quadcap.sql.file.Log2.rollbackTransaction (  Transaction  trans  )  throws IOException

Transaction rollback. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 132 of file Log2.java. References com.quadcap.sql.file.Log2.rollbackTransaction(). Referenced by com.quadcap.sql.file.Log2.rollbackTransaction().

void com.quadcap.sql.file.Log2.start (   )

Start the logging subsystem. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 70 of file Log2.java.

void com.quadcap.sql.file.Log2.sync (   )  throws IOException

Wait for all queued ops to be processed by the log sync thread. Reimplemented from com.quadcap.sql.file.Log1. Definition at line 123 of file Log2.java.