Package edu.tufts.hrilab.action.db

Class ObserverDatabase

java.lang.Object

edu.tufts.hrilab.action.db.ObserverDatabase

public class ObserverDatabase
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ObserverDatabase()	Protected so that only the Database can instantiate.

Method Summary

Modifier and Type	Method	Description
protected void	addObservationsToDB(ActionDBEntry entry)	Add an action's observations to the database.
final List<ActionDBEntry>	getObservers(Predicate obs)	Lookup observer by observation predicate.
final List<ActionDBEntry>	getObservers(Symbol actor, Predicate obs)
final Set<ActionDBEntry>	getPrimitives()
final Set<ActionDBEntry>	getScripts()
protected void	removeObservationsFromDB(ActionDBEntry entry)	Remove an action's observations from the database.

Methods inherited from class java.lang.Object

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

Constructor Details

ObserverDatabase

protected ObserverDatabase()

Protected so that only the Database can instantiate.

Method Details

addObservationsToDB

protected void addObservationsToDB(ActionDBEntry entry)

Add an action's observations to the database. This should only be called internally when an ActionDBEntry is added.

Parameters:

entry - the action for which the observations should be added

removeObservationsFromDB

protected void removeObservationsFromDB(ActionDBEntry entry)

Remove an action's observations from the database. Should only be used internally.

Parameters:

entry - the action for which the observations should be removed

getObservers

public final List<ActionDBEntry> getObservers(Predicate obs)

Lookup observer by observation predicate.

Parameters:

obs - observation

Returns:

list of observers for this observation

getObservers

public final List<ActionDBEntry> getObservers(Symbol actor,
 Predicate obs)

getPrimitives

public final Set<ActionDBEntry> getPrimitives()

getScripts

public final Set<ActionDBEntry> getScripts()