jp.ac.tokushima_u.db.media

Class GnuPlot

java.lang.Object

jp.ac.tokushima_u.db.common.SharableResource

jp.ac.tokushima_u.db.media.GnuPlot

public class GnuPlot
extends SharableResource

Class for Accessing to GnuPlot. $Id: GnuPlot.java,v 1.4 2025/03/14 11:01:58 alex Exp $

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GnuPlot.GnuPlotCluster
static class	GnuPlot.Plotter

Nested classes/interfaces inherited from class jp.ac.tokushima_u.db.common.SharableResource

SharableResource.Cluster<R extends SharableResource>

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static GnuPlot.GnuPlotCluster	cluster
static String	Env_EPSFont
static String	Env_FontDir
static String	Env_PNGFont
(package private) static String	epsFont
(package private) static File	fontDir
(package private) static String	gnuplotPath
(package private) static int	maxProcesses
(package private) static String	P_FontDir
(package private) static String	P_Plotter
(package private) static String	P_TempDir
(package private) static String	pngFont
(package private) static File	tempDir

Constructor Summary

Constructors

Constructor and Description
GnuPlot()

Method Summary

Modifier and Type	Method and Description
void	close() Close resource (free resource).
byte[]	doPlot(String initcmd, StringBuffer sb, PrintWriter err)
(package private) File	doPlot0(String initcmd, StringBuffer sb, PrintWriter err)
static boolean	initialize(UDict dict)
boolean	isAvailable() Resource is already ready to be used.
boolean	open() Open resource (setup ready to be used).
static boolean	plot(File file, String initcmd, StringBuffer sb)
static void	terminate()

Methods inherited from class jp.ac.tokushima_u.db.common.SharableResource

idlingTime, isReserved, isReservedByMe, release, renew, reserve, tryReserve

Methods inherited from class java.lang.Object

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

Field Detail

Env_FontDir

public static final String Env_FontDir

See Also:

Constant Field Values

Env_PNGFont

public static final String Env_PNGFont

See Also:

Constant Field Values

Env_EPSFont

public static final String Env_EPSFont

See Also:

Constant Field Values

P_Plotter

static final String P_Plotter

See Also:

Constant Field Values

P_TempDir

static final String P_TempDir

See Also:

Constant Field Values

P_FontDir

static final String P_FontDir

See Also:

Constant Field Values

gnuplotPath

static String gnuplotPath

tempDir

static File tempDir

fontDir

static File fontDir

pngFont

static String pngFont

epsFont

static String epsFont

cluster

static GnuPlot.GnuPlotCluster cluster

maxProcesses

static int maxProcesses

Constructor Detail

GnuPlot

public GnuPlot()

Method Detail

initialize

public static boolean initialize(UDict dict)

terminate

public static void terminate()

plot

public static boolean plot(File file,
                           String initcmd,
                           StringBuffer sb)
                    throws IOException

Throws:

IOException

doPlot0

File doPlot0(String initcmd,
             StringBuffer sb,
             PrintWriter err)
      throws IOException

Throws:

IOException

doPlot

public byte[] doPlot(String initcmd,
                     StringBuffer sb,
                     PrintWriter err)
              throws IOException

Throws:

IOException

open

public boolean open()

Open resource (setup ready to be used).

Specified by:

open in class SharableResource

Returns:

success to ready to be used.

close

public void close()

Close resource (free resource).

Specified by:

close in class SharableResource

isAvailable

public boolean isAvailable()

Resource is already ready to be used.

Specified by:

isAvailable in class SharableResource

Returns:

is available.