public String resolveOutputName() throws IOException {
if (_outputName == null) {
MrsImageDataProvider dp =
DataProviderFactory.createTempMrsImageDataProvider(getProviderProperties());
_outputName = dp.getResourceName();
addTempResource(_outputName);
}
return _outputName;
}
/**
* After a map op chain is executed, moveOutput will be called on the root map op. By default, the
* map op's output is stored in a location other than where its final resting place will be, and
* this method is responsible for moving the content to that location (e.g. toName).
*
* @param fs
* @param toName
* @throws IOException
*/
@Override
public void moveOutput(final String toName) throws IOException {
// make sure the toName doesn't exist, otherwise the move() will move the output into a
// directory
// under the toName.
DataProviderFactory.delete(toName, getProviderProperties());
MrsImageDataProvider dp =
DataProviderFactory.getMrsImageDataProvider(
getOutputName(), AccessMode.READ, getProviderProperties());
if (dp != null) {
dp.move(toName);
}
_outputName = toName;
}