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Walk node. It is used for reading back trees.
Method Summary | |
int |
getBindIndex()
Returns the bind index of this Walk node. |
WalkStack |
getWalkStack()
Returns the WalkStack content of this Walk. |
int |
popDirector()
Pops and returns a director from the director stack. |
void |
pushDirector(int director)
Adds a director to the director stack. |
void |
returnToFactory()
Return this to its Factory. |
Method Detail |
public void returnToFactory()
Post-condition: this is no more usable.
public int getBindIndex()
public void pushDirector(int director)
director
- a director. Values: 1 or 2.
java.lang.IllegalArgumentException
- if the given director is neither
1 nor 2.public int popDirector()
java.lang.IllegalStateException
- if the director stack is empty.public WalkStack getWalkStack()
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