: Class Decision

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edu.cmu.cs.coral.icf.plan_based.planners.pip
Class Decision

java.lang.Object
  |
  +--edu.cmu.cs.coral.icf.plan_based.planners.pip.Decision

public class Decision
extends java.lang.Object

Represents a decision made along with possible alternatives.

Since:: ICF 0.0
Version:: $Id$

Field Summary
`private ChangeTracker`	`changeTracker` the change tracker to track changes made to implement this decision
`private java.util.Iterator`	`choices` the remaining choices left
`private Choice`	`curChoice` the choice that was selected

Constructor Summary
`Decision(java.util.Iterator choices)` Constructs a decision with the given list of possible choices that can be made.

Method Summary
`ChangeTracker`	`accessChangeTracker()` Access the change tracker corresponding to the current choice, the change tracker can be modified directly.
`boolean`	`alternativesLeft()` Checks whether there are other options left for this decision.
`Choice`	`getCurChoice()` Gets the currently selected Choice
`Choice`	`tryNextAlternative()` Makes the next alternative the currently selected alternative.

Methods inherited from class java.lang.Object

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

Field Detail

curChoice

private Choice curChoice

the choice that was selected

Since:: ICF 0.0

changeTracker

private ChangeTracker changeTracker

the change tracker to track changes made to implement this decision

Since:: ICF 0.0

choices

private java.util.Iterator choices

the remaining choices left

Since:: ICF 0.0

Constructor Detail

Decision

public Decision(java.util.Iterator choices)

Constructs a decision with the given list of possible choices that can be made.

Parameters:: choices - the possible options that could be picked
Since:: ICF 0.0

Method Detail

tryNextAlternative

public Choice tryNextAlternative()

Makes the next alternative the currently selected alternative.

Since:: ICF 0.0

alternativesLeft

public boolean alternativesLeft()

Checks whether there are other options left for this decision.

Returns:: true if and only if there are more choices left for this decision
Since:: ICF 0.0

getCurChoice

public Choice getCurChoice()

Gets the currently selected Choice

Returns:: the Choice that was selected
Since:: ICF 0.0

accessChangeTracker

public ChangeTracker accessChangeTracker()

Access the change tracker corresponding to the current choice, the change tracker can be modified directly.

Returns:: the change tracker for this choice
Since:: ICF 0.0