Class Search_Node

java.lang.Object
  |
  +--Search_Node

public class Search_Node

extends java.lang.Object

Constructor Summary

Search_Node(Search_State s, int lc, int erc)
constructor

Method Summary

Search_Node	get_Parent() accessor for parent
Search_State	get_State() accessor for state
java.util.ArrayList	get_Successors(Search searcher) get_Successors for this node A* - adds estremcost to node
int	getestRemCost() accessor for estremcost for A*
int	getestTotalCost() accessor for esttotalcost for A*
int	getglobalCost() acccessor for globalcost
int	getlocalCost() accessor for localcost
boolean	goalP(Search searcher) goalP takes a Search_Node & returns true if it's a goal
boolean	same_State(Search_Node n2) same_State - does another node have same state as this one?
void	set_Parent(Search_Node n) mutator for parent
void	setestRemCost(int erc) mutator for estremcost for A*
void	setestTotalCost(int erc) mutator for esttotalcost for A*
void	setglobalCost(int lc) mutator for globalcost
void	setlocalCost(int lc) mutator for localcost
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Search_Node

public Search_Node(Search_State s,
                   int lc,
                   int erc)

constructor

Parameters:

s - a Search_State

lc - local cost of getting to this node from its predecessor

erc - estimated remaining cost

Method Detail

get_State

public Search_State get_State()

accessor for state

get_Parent

public Search_Node get_Parent()

accessor for parent

set_Parent

public void set_Parent(Search_Node n)

mutator for parent

setlocalCost

public void setlocalCost(int lc)

mutator for localcost

getlocalCost

public int getlocalCost()

accessor for localcost

setglobalCost

public void setglobalCost(int lc)

mutator for globalcost

getglobalCost

public int getglobalCost()

acccessor for globalcost

setestRemCost

public void setestRemCost(int erc)

mutator for estremcost for A*

getestRemCost

public int getestRemCost()

accessor for estremcost for A*

setestTotalCost

public void setestTotalCost(int erc)

mutator for esttotalcost for A*

getestTotalCost

public int getestTotalCost()

accessor for esttotalcost for A*

goalP

public boolean goalP(Search searcher)

goalP takes a Search_Node & returns true if it's a goal

Parameters:

searcher - the current search

get_Successors

public java.util.ArrayList get_Successors(Search searcher)

get_Successors for this node A* - adds estremcost to node

Parameters:

searcher - the current search

Returns:

ArrayList of successor nodes

same_State

public boolean same_State(Search_Node n2)

same_State - does another node have same state as this one?

Parameters:

n2 - the other node

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object