com.irs.jam
Class QueryGoalAction

java.lang.Object
  |
  +--com.irs.jam.Action
        |
        +--com.irs.jam.GoalAction
              |
              +--com.irs.jam.QueryGoalAction

All Implemented Interfaces:

java.io.Serializable

public class QueryGoalAction

extends GoalAction

implements java.io.Serializable

A built-in JAM primitive action for subgoaling to gather information.

See Also:

Serialized Form

Fields inherited from class com.irs.jam.GoalAction

_by, _goal, _interpreter, _notBy, _utility

Fields inherited from class com.irs.jam.Action

_actType, ACT_ACHIEVE, ACT_ASSERT, ACT_ASSIGN, ACT_CANNOT_EXECUTE, ACT_FACT, ACT_FAIL, ACT_FAILED, ACT_GOAL_ACTION, ACT_LOAD, ACT_MAINTAIN, ACT_OBJECT, ACT_PARSE, ACT_PERFORM, ACT_POST, ACT_PRIMITIVE, ACT_QUERY, ACT_RETRACT, ACT_RETRIEVE, ACT_SUCCEEDED, ACT_TEST, ACT_UNDEFINED, ACT_UNPOST, ACT_UPDATE, ACT_WAIT

Constructor Summary

QueryGoalAction(java.lang.String name, Relation goal, Expression utility, Interpreter interpreter)
Primary constructor

Method Summary

void	format(java.io.PrintStream s, Binding b) Display information about the goal
boolean	isExecutableAction()

Methods inherited from class com.irs.jam.GoalAction

evalUtility, execute, formatArgs, getBy, getGoal, getNotBy, getRelation, getUtility, isEligible, print, setBy, setNotBy, setRelation, setUtility

Methods inherited from class com.irs.jam.Action

getName, getTraceFile, getTraceLine, getType, setTrace, setTraceFile, setTraceLine

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryGoalAction

public QueryGoalAction(java.lang.String name,
                       Relation goal,
                       Expression utility,
                       Interpreter interpreter)

Primary constructor

Method Detail

isExecutableAction

public boolean isExecutableAction()

Overrides:

isExecutableAction in class GoalAction

format

public void format(java.io.PrintStream s,
                   Binding b)

Display information about the goal

Overrides:

format in class GoalAction