org.globus.cog.abstraction.interfaces
Interface DelegatedTaskHandler

All Known Implementing Classes:

DelegatedFileTransferHandler

public interface DelegatedTaskHandler

Implements the semantics to execute the given Taskin a seperate thread, thereby not blocking the calls to the TaskHandler.

Method Summary

void	cancel()
void	resume()
void	submit(Task task) This method is responsible for submitting the given Task to the remote Service in compliance with the appropriate provider.
void	suspend()

Method Detail

submit

public void submit(Task task)
            throws IllegalSpecException,
                   InvalidSecurityContextException,
                   InvalidServiceContactException,
                   TaskSubmissionException

This method is responsible for submitting the given Task to the remote Service in compliance with the appropriate provider. It executes in a seperate thread of execution so that it doesnt block the submission of other tasks.

Parameters:

task - the task to be executed

Throws:

IllegalSpecException - when the specification does not confirm to the type of the task and the given provider.

InvalidSecurityContextException - when the security context associated with the task in invalid.

InvalidServiceContactException - when the service contact of the remote service in invalid.

TaskSubmissionException - when a generic exception occurs prohibiting the submission of the task.

suspend

public void suspend()
             throws InvalidSecurityContextException,
                    TaskSubmissionException

Throws:

InvalidSecurityContextException

TaskSubmissionException

resume

public void resume()
            throws InvalidSecurityContextException,
                   TaskSubmissionException

Throws:

InvalidSecurityContextException

TaskSubmissionException

cancel

public void cancel()
            throws InvalidSecurityContextException,
                   TaskSubmissionException

Throws:

InvalidSecurityContextException

TaskSubmissionException