Kills and removes the task represented by this vertex from the instance it is currently running on. If the corresponding task is not in the state RUNNING, this call will be ignored. If the call has been executed successfully, the task will change the state FAILED.
@return the result of the task kill attempt
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.