gridsim.net.flow
Class FilterFlow

Object
  Sim_predicate
      FilterFlow

public class FilterFlow
extends Sim_predicate

Look for a specific incoming event that matches a given event tag name and a flow id. Incoming events with a matching tag name must contain a data object of type Integer, where Integer stores the flow id.

This class is used by Sim_system to select or filter an event already present in the entity's deferred queue (incoming buffer), or used to selectively wait for a future event.

Since:

GridSim Toolkit 4.2

Author:

James Broberg

Invariant:

$none

Constructor Summary

FilterFlow(int flowID, int tag)
Finds an incoming events that matches with the given flow ID and event tag name

Method Summary

boolean

match(Sim_event ev) Checks whether an event matches the required constraints or not. NOTE: This method is not used directly by the user.

Methods inherited from class Object

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

Constructor Detail

FilterFlow

public FilterFlow(int flowID,
                  int tag)

Finds an incoming events that matches with the given flow ID and event tag name

Parameters:

flowID - a unique flow ID to differentiate itself among other events with the same tag name

tag - a matching event tag name

Pre Condition:

$none

Post Condition:

$none

Method Detail

match

public boolean match(Sim_event ev)

Checks whether an event matches the required constraints or not.
NOTE: This method is not used directly by the user. Instead, it is called by Sim_system.

Specified by:

match in class Sim_predicate

Parameters:

ev - an incoming event to compare with

Returns:

true if an event matches, false otherwise

Pre Condition:

ev != null

Post Condition:

$none