Package edu.wpi.first.util.datalog

Class DataLogWriter

java.lang.Object

edu.wpi.first.util.datalog.DataLog

edu.wpi.first.util.datalog.DataLogWriter

All Implemented Interfaces:

AutoCloseable

public class DataLogWriter
extends DataLog

A data log writer that flushes the data log to a file when flush() is called.

Field Summary

Fields inherited from class edu.wpi.first.util.datalog.DataLog

m_impl

Constructor Summary

Constructors

Constructor	Description
DataLogWriter(OutputStream os)	Construct a new Data Log with an output stream.
DataLogWriter(OutputStream os, String extraHeader)	Construct a new Data Log with an output stream.
DataLogWriter(String filename)	Construct a new Data Log.
DataLogWriter(String filename, String extraHeader)	Construct a new Data Log.

Method Summary

Modifier and Type	Method	Description
void	flush()	Explicitly flushes the log data to disk.

Methods inherited from class edu.wpi.first.util.datalog.DataLog

addSchema, addSchema, addSchema, addSchema, addSchema, addSchema, addSchema, addSchema, appendBoolean, appendBooleanArray, appendDouble, appendDoubleArray, appendFloat, appendFloatArray, appendInteger, appendIntegerArray, appendRaw, appendRaw, appendRaw, appendRaw, appendString, appendStringArray, close, finish, finish, getImpl, hasSchema, pause, resume, setMetadata, setMetadata, start, start, start, stop

Methods inherited from class java.lang.Object

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

Constructor Details

DataLogWriter

public DataLogWriter(String filename,
 String extraHeader)
              throws IOException

Construct a new Data Log.

Parameters:

filename - filename to use

extraHeader - extra header data

Throws:

IOException - if file cannot be opened

DataLogWriter

public DataLogWriter(String filename)
              throws IOException

Construct a new Data Log.

Parameters:

filename - filename to use

Throws:

IOException - if file cannot be opened

DataLogWriter

public DataLogWriter(OutputStream os,
 String extraHeader)

Construct a new Data Log with an output stream. Prefer the filename version if possible; this is much slower!

Parameters:

os - output stream

extraHeader - extra header data

DataLogWriter

public DataLogWriter(OutputStream os)

Construct a new Data Log with an output stream.

Parameters:

os - output stream

Method Details

flush

public void flush()

Explicitly flushes the log data to disk.

Overrides:

flush in class DataLog