brahms.io
Class FileExistsActivity

java.lang.Object
  gov.nasa.arc.brahms.vm.api.jac.AbstractExternalActivity
      brahms.io.FileExistsActivity

All Implemented Interfaces:

IExternalActivity

public class FileExistsActivity
extends AbstractExternalActivity

The FileExistsActivity allows a modeler to verify whether a file or directory exists in the filesystem.

This activity requires two parameters in the Brahms java activity declaration:

• string filename (the absolute path of the file/directory to be tested)
• boolean exists (return value indicating whether the file/directory exists)

Version:

$Revision: 1.1 $ $Date: 2007/10/10 14:03:01 $ $Author: rvhoof $

Author:

Ron van Hoof

Constructor Summary

FileExistsActivity()

Method Summary

void	doActivity() Executes the java activity action.

Methods inherited from class gov.nasa.arc.brahms.vm.api.jac.AbstractExternalActivity

assertBelief, assertFact, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, conclude, getContext, getModel, getName, getParameter, getParameterCount, getPerformedBy, getVMController, getWorldState, isValidTruthValue, retractBelief, retractFact, send, send, send, send, setActivity, setProperties, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FileExistsActivity

public FileExistsActivity()

Method Detail

doActivity

public void doActivity()
                throws ExternalException

Executes the java activity action.

Specified by:

doActivity in interface IExternalActivity

Specified by:

doActivity in class AbstractExternalActivity

Throws:

ExternalException - if an unrecoverable error occurs.

See Also:

AbstractExternalActivity.doActivity()