Class ExternalProcess

java.lang.Object
  |
  +--Task
        |
        +--ExternalProcess

All Implemented Interfaces:

net.jini.core.entry.Entry, java.io.Serializable

public final class ExternalProcess

extends Task

Models the invocation of arbitrary programs as Worker tasks. Can also be used as a no-op by specifying an empty/null program name to the constructors.

Copyright (c) 2000,2003 mnoble@space.mit.edu. This code may only be used under the terms of GNU General Public License.

Author:

Michael S. Noble

See Also:

CMapMaster, Serialized Form

Field Summary

java.lang.String	_progArgs
java.lang.String	_progName

Fields inherited from class Task

data, done, id, result

Constructor Summary

ExternalProcess()

ExternalProcess(long workerID, java.lang.String args)

ExternalProcess(long workerID, java.lang.String[] args)

Method Summary

protected java.lang.Object	compute()
java.lang.Object	mergeResult(java.lang.Object r)
java.lang.String	name()
java.lang.String	progArgs()
java.lang.String	progName()
void	reportResult(java.lang.Object r)

Methods inherited from class Task

execute, finalize, keepData

Methods inherited from class java.lang.Object

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

Field Detail

_progName

public java.lang.String _progName

_progArgs

public java.lang.String _progArgs

Constructor Detail

ExternalProcess

public ExternalProcess()

ExternalProcess

public ExternalProcess(long workerID,
                       java.lang.String args)

ExternalProcess

public ExternalProcess(long workerID,
                       java.lang.String[] args)

Method Detail

compute

protected java.lang.Object compute()

Overrides:

compute in class Task

mergeResult

public java.lang.Object mergeResult(java.lang.Object r)

Overrides:

mergeResult in class Task

reportResult

public void reportResult(java.lang.Object r)

Overrides:

reportResult in class Task

name

public java.lang.String name()

Overrides:

name in class Task

progName

public java.lang.String progName()

progArgs

public java.lang.String progArgs()