org.eclipse.scada.hds

Interface DataFileAccessor

All Known Implementing Classes:

DataFileAccessorImpl

public interface DataFileAccessor

Method Summary

Methods

Modifier and Type	Method and Description
void	delete() Delete the accessors file.
void	dispose()
void	forwardCorrect(double value, java.util.Date date, boolean error, boolean manual) Forward correct entries
java.util.Date	getEnd()
java.util.Date	getStart()
void	insertValue(double value, java.util.Date date, boolean error, boolean manual, boolean heartbeat)
boolean	visit(ValueVisitor visitor)
boolean	visitFirstValue(ValueVisitor visitor)

Method Detail

insertValue

void insertValue(double value,
               java.util.Date date,
               boolean error,
               boolean manual,
               boolean heartbeat)
                 throws java.io.IOException

Throws:

java.io.IOException

visit

boolean visit(ValueVisitor visitor)
              throws java.lang.Exception

Throws:

java.lang.Exception

dispose

void dispose()

visitFirstValue

boolean visitFirstValue(ValueVisitor visitor)
                        throws java.lang.Exception

Throws:

java.lang.Exception

forwardCorrect

void forwardCorrect(double value,
                  java.util.Date date,
                  boolean error,
                  boolean manual)
                    throws java.lang.Exception

Forward correct entries

Parameters:

value - the value

date - the starting point

error - the error flag

manual - the manual flag

Throws:

java.lang.Exception

delete

void delete()

Delete the accessors file. This is implicitly a dispose operation.

getStart

java.util.Date getStart()

getEnd

java.util.Date getEnd()