Package com.semedy.reasoner.core

Class JsonTransactionLogHandler

java.lang.Object

com.semedy.reasoner.core.JsonTransactionLogHandler

public class JsonTransactionLogHandler
extends Object

Creates and replays json log files.
Log file is created in log dir.
The current log file has the name XJsonLogFile.jlog

Author:

angele

Constructor Summary

Constructors

Constructor	Description
JsonTransactionLogHandler(String logDir)

Method Summary

Modifier and Type	Method	Description
void	close()	close log file
void	createNextLogFile()	switch to next log file
void	flush()	flush log file
void	logData(String action, String id, String jsontxt)	write the current action with the given json string into a log file.
void	playIn(String path, Core core)	Modify edb according to log file Path can be a single file or a directory
void	setMaxLength(int maxlength)	set the max length of the log files (used for tests only)
long	sizeAdded()	return number of added triples
long	sizeDeleted()	return number of deleted triples

Methods inherited from class java.lang.Object

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

Constructor Details

JsonTransactionLogHandler

public JsonTransactionLogHandler(String logDir)
                          throws IOException

Throws:

IOException

Method Details

createNextLogFile

public void createNextLogFile()
                       throws IOException

switch to next log file

Throws:

IOException

setMaxLength

public void setMaxLength(int maxlength)

set the max length of the log files (used for tests only)

logData

public void logData(String action,
 String id,
 String jsontxt)
             throws IOException,
SemReasonerException

write the current action with the given json string into a log file.

Parameters:

action -

id -

jsontxt -

Throws:

IOException

SemReasonerException

close

public void close()

close log file

flush

public void flush()

flush log file

sizeDeleted

public long sizeDeleted()

return number of deleted triples

Returns:

sizeAdded

public long sizeAdded()

return number of added triples

Returns:

playIn

public void playIn(String path,
 Core core)
            throws EDBException,
IOException,
SemReasonerException,
InterruptedException,
SymboltableException

Modify edb according to log file
Path can be a single file or a directory

Parameters:

path - , of the log file or log directory

core - , the core to be used to add and delete jsons

Throws:

InterruptedException

SemReasonerException

IOException

EDBException

SymboltableException