org.gdal.gdal

## Class ProgressCallback

- java.lang.Object
- - org.gdal.gdal.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 and Description
    `ProgressCallback()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and 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 Detail

    - #### ProgressCallback

          public ProgressCallback()

  - ### Method Detail

    - #### 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