Package org.gdal.gnm

Class ProgressCallback

java.lang.Object

org.gdal.gnm.ProgressCallback

Direct Known Subclasses:

TermProgressCallback

public class ProgressCallback
extends Object

Class used to report progression of long operations.

This class will not do anything by itself, but it can be subclassed, like TermProgressCallback class. to do more useful things.

Since:

Java bindings 1.7.0

Constructor Summary

Constructors

Constructor	Description
ProgressCallback()

Method Summary

Modifier and Type	Method	Description
void	delete()
int	run(double dfComplete, String message)	Callback method called from long processing from GDAL methods.

Methods inherited from class java.lang.Object

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

Constructor Details

ProgressCallback

public ProgressCallback()

Method Details

delete

public void delete()

run

public int run(double dfComplete,
 String message)

Callback method called from long processing from GDAL methods.

This method is called back with the progression percentage. Its return value is used by the caller to determine whether the processing should go on or be interrupted.

This method should be subclassed by classes subclassing ProgressCallback.

Parameters:

dfComplete - progression percentage between 0 and 1

message - processing message, may be null

Returns:

0 if you want to interrupt the processing, any value different from 0 to go on

Since:

Java bindings 1.7.0