eduni.simjava
Class Sim_predicate

java.lang.Object
  |
  +--eduni.simjava.Sim_predicate

Direct Known Subclasses:

Sim_any_p, Sim_from_p, Sim_none_p, Sim_not_from_p, Sim_not_type_p, Sim_type_p

public abstract class Sim_predicate

extends java.lang.Object

Predicates are used to select events from the deferred queue. This class is abstract and must be subclassed when writing a new predicate. Some standard predicates are provided, see below:

See Also:

Sim_type_p, Sim_from_p, Sim_any_p, Sim_none_p, Sim_system

Constructor Summary

Sim_predicate()

Method Summary

abstract boolean

match(Sim_event event) The match function which must be overidden when writing a new predicate.

Methods inherited from class java.lang.Object

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

Constructor Detail

Sim_predicate

public Sim_predicate()

Method Detail

match

public abstract boolean match(Sim_event event)

The match function which must be overidden when writing a new predicate. The function is called with each event in the deferred queue as its parameter when a Sim_system.sim_select() call is made by the user.

Parameters:

event - The event to test for a match.

Returns:

The function should return true if the event matches and should be selected, of false if it doesn't