jason.bb
Class IndexedBB

java.lang.Object
  jason.bb.ChainBBAdapter
      jason.bb.IndexedBB

All Implemented Interfaces:

BeliefBase, java.lang.Cloneable, java.lang.Iterable<Literal>

public class IndexedBB
extends ChainBBAdapter

Customised version of Belief Base where some beliefs are unique (with primary keys) and indexed for faster access.

E.g. in a .mas2j project file:
agents: bob beliefBaseClass jason.bb.IndexedBB("student(key,_)", "depot(_,_,_)")
The belief "student/2" has the first argument as its key, so the BB will never has two students with the same key. Or, two students in the BB will have two different keys. The belief "depot/3" has no key, so there will be always only one "depot" in the BB. When some belief with the same key than another belief in BB is added, the most recent remains in the BB and the older is removed.

Field Summary

Fields inherited from class jason.bb.ChainBBAdapter

nextBB

Fields inherited from interface jason.bb.BeliefBase

APercept, ASelf, TPercept, TSelf

Constructor Summary

IndexedBB()

IndexedBB(BeliefBase next)

Method Summary

boolean	add(Literal bel) Adds a belief in the end of the BB, returns true if succeed.
void	init(Agent ag, java.lang.String[] args) Called before the MAS execution with the agent that uses this BB and the args informed in .mas2j project. Example in .mas2j: agent BeliefBaseClass(1,bla); the init args will be ["1", "bla"].

Methods inherited from class jason.bb.ChainBBAdapter

abolish, add, clone, contains, getAll, getAsDOM, getCandidateBeliefs, getCandidateBeliefs, getLastBB, getNextAdapter, getPercepts, getRelevant, iterator, remove, setNext, size, stop, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexedBB

public IndexedBB()

IndexedBB

public IndexedBB(BeliefBase next)

Method Detail

init

public void init(Agent ag,
                 java.lang.String[] args)

Description copied from interface: BeliefBase

Called before the MAS execution with the agent that uses this BB and the args informed in .mas2j project.
Example in .mas2j:
agent BeliefBaseClass(1,bla);
the init args will be ["1", "bla"].

Specified by:

init in interface BeliefBase

Overrides:

init in class ChainBBAdapter

add

public boolean add(Literal bel)

Description copied from interface: BeliefBase

Adds a belief in the end of the BB, returns true if succeed. The annots of l may be changed to reflect what was changed in the BB, for example, if l is p[a,b] in a BB with p[a], l will be changed to p[b] to produce the event +p[b], since only the annotation b is changed in the BB.

Specified by:

add in interface BeliefBase

Overrides:

add in class ChainBBAdapter