graph

Class LoadData

java.lang.Object

java.lang.Thread

graph.LoadData

All Implemented Interfaces:

Runnable

public class LoadData
extends Thread

This class will load data (as a seperate thread) into a DataSet given a URL.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
int	NUMERIC Flag used to specify the type of data to be loaded.
int	OBJECT Flag used to specify the type of data to be loaded.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
LoadData() Instantiate the class
LoadData(DataSet d) Instantiate the class

Method Summary

Modifier and Type	Method and Description
boolean	finished()
double[]	getArray()
DataSet	getDataSet()
int	length()
void	loadArray(URL file) Start loading the data into an Array.
void	loadArray(URL file, Object drawable) Start loading the data into an array.
DataSet	loadDataSet(URL file) Start loading the data into a/the DataSet.
DataSet	loadDataSet(URL file, Object drawable) Start loading the data into a/the DataSet.
void	run() The method to be run as a seperate thread.
boolean	started()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

NUMERIC

public final int NUMERIC

Flag used to specify the type of data to be loaded. That is purely numerical.

See Also:

Constant Field Values

OBJECT

public final int OBJECT

Flag used to specify the type of data to be loaded. That is can contain non-numerical data. Not Implemented

See Also:

Constant Field Values

Constructor Detail

LoadData

public LoadData()

Instantiate the class

LoadData

public LoadData(DataSet d)

Instantiate the class

Parameters:

d - DataSet to load the data into.

Method Detail

loadDataSet

public DataSet loadDataSet(URL file)

Start loading the data into a/the DataSet.

Parameters:

file - URL of data file

Returns:

The DataSet that the data will be loaded into

loadArray

public void loadArray(URL file)

Start loading the data into an Array.

Parameters:

file - URL of data file

loadDataSet

public DataSet loadDataSet(URL file,
                           Object drawable)

Start loading the data into a/the DataSet.

Parameters:

file - URL of data file

drawable - An object that can be drawn to that will indicate that data is loading. eg. An applet or the Graph2D canvas.

loadArray

public void loadArray(URL file,
                      Object drawable)

Start loading the data into an array.

Parameters:

file - URL of data file

drawable - An object that can be drawn to that will indicate that data is loading. eg. An applet or the Graph2D canvas.

run

public void run()

The method to be run as a seperate thread. It does all the work

Specified by:

run in interface Runnable

Overrides:

run in class Thread

getDataSet

public DataSet getDataSet()

Returns:

The DataSet that is being filled.

getArray

public double[] getArray()

Returns:

The loaded data array.

started

public boolean started()

Returns:

true if the data has started loading.

finished

public boolean finished()

Returns:

true if the data has finished loading.

length

public int length()

Returns:

The current size of the data array.