weka.experiment
Class RemoteEngine
java.lang.Object
java.rmi.server.RemoteObject
java.rmi.server.RemoteServer
java.rmi.server.UnicastRemoteObject
weka.experiment.RemoteEngine
- All Implemented Interfaces:
- Compute, java.rmi.Remote, java.io.Serializable
- public class RemoteEngine
- extends java.rmi.server.UnicastRemoteObject
- implements Compute
A general purpose server for executing Task objects sent via RMI.
- Version:
- $Revision: 1.7 $
- Author:
- Mark Hall (mhall@cs.waikato.ac.nz)
- See Also:
- Serialized Form
Constructor Summary |
RemoteEngine(java.lang.String hostName)
Constructor |
Method Summary |
java.lang.Object |
checkStatus(java.lang.Object taskId)
Returns status information on a particular task |
java.lang.Object |
executeTask(Task t)
Takes a task object and queues it for execution |
static void |
main(java.lang.String[] args)
Main method. |
Methods inherited from class java.rmi.server.UnicastRemoteObject |
clone, exportObject, exportObject, exportObject, unexportObject |
Methods inherited from class java.rmi.server.RemoteServer |
getClientHost, getLog, setLog |
Methods inherited from class java.rmi.server.RemoteObject |
equals, getRef, hashCode, toString, toStub |
Methods inherited from class java.lang.Object |
getClass, notify, notifyAll, wait, wait, wait |
RemoteEngine
public RemoteEngine(java.lang.String hostName)
throws java.rmi.RemoteException
- Constructor
- Parameters:
hostName
- name of the host
- Throws:
java.rmi.RemoteException
- if something goes wrong
executeTask
public java.lang.Object executeTask(Task t)
throws java.rmi.RemoteException
- Takes a task object and queues it for execution
- Specified by:
executeTask
in interface Compute
- Parameters:
t
- the Task object to execute
- Returns:
- an identifier for the Task that can be used when querying
Task status
- Throws:
java.rmi.RemoteException
- if something goes wrong.
checkStatus
public java.lang.Object checkStatus(java.lang.Object taskId)
throws java.lang.Exception
- Returns status information on a particular task
- Specified by:
checkStatus
in interface Compute
- Parameters:
taskId
- the ID of the task to check
- Returns:
- a
TaskStatusInfo
encapsulating task status info
- Throws:
java.lang.Exception
- if an error occurs
main
public static void main(java.lang.String[] args)
- Main method. Gets address of the local host, creates a remote engine
object and binds it in the RMI registry. If there is no RMI registry,
then it tries to create one with default port 1099.
- Parameters:
args
-