Package jade.core

Interface Node

All Superinterfaces:

Serializable, Serializable

All Known Implementing Classes:

BaseNode

public interface Node
extends Serializable

This interface represents a node of a JADE platform (i.e. a component that can host a slice of a platform-level service). Concrete nodes for a platform are created by the concrete IMTP manager.

Author:

Giovanni Rimassa - FRAMeTech s.r.l.

See Also:

IMTPManager

Method Summary

Modifier and Type	Method	Description
Object	accept(HorizontalCommand cmd)	Accepts a command.
void	exit()
void	exportSlice(String serviceName, Service.Slice localSlice)
String	getName()
boolean	hasPlatformManager()
void	interrupt()
boolean	ping(boolean hang)	Performs a ping operation on this node, to check whether it is still alive.
void	platformManagerDead(String deadPmAddress, String notifyingPmAddr)
void	setName(String name)
void	unexportSlice(String serviceName)

Method Detail

setName

void setName(String name)

getName

String getName()

hasPlatformManager

boolean hasPlatformManager()

exportSlice

void exportSlice(String serviceName,
                 Service.Slice localSlice)

unexportSlice

void unexportSlice(String serviceName)

accept

Object accept(HorizontalCommand cmd)
       throws IMTPException

Accepts a command. If this node is a proxy, the accept() method is a remote method, forwarding the command to the remote location it represents.

Parameters:

cmd - The horizontal command to process.

Returns:

The object that is the result of processing the command.

Throws:

IMTPException - If a communication error occurs while contacting the remote node.

ping

boolean ping(boolean hang)
      throws IMTPException

Performs a ping operation on this node, to check whether it is still alive.

Parameters:

hang - If true, the call hangs until the node exits or is interrupted.

Returns:

If the node is currently terminating, true is returned, else false

Throws:

IMTPException

interrupt

void interrupt()
        throws IMTPException

Throws:

IMTPException

exit

void exit()
   throws IMTPException

Throws:

IMTPException

platformManagerDead

void platformManagerDead(String deadPmAddress,
                         String notifyingPmAddr)
                  throws IMTPException

Throws:

IMTPException