aima.search.framework
Class SearchFactory

java.lang.Object
  aima.search.framework.SearchFactory

public class SearchFactory
extends java.lang.Object

Useful factory for configuring search objects. Implemented as a singleton.

Field Summary

static int	ASTAR_SEARCH Search strategy: A* search.
static int	BF_SEARCH Search strategy: Depth first search.
static int	DF_SEARCH Search strategy: Depth first search.
static int	GBF_SEARCH Search strategy: Greedy best first search.
static int	GRAPH_SEARCH Search mode: graph search.
static int	HILL_SEARCH Search strategy: Hill climbing search.
static int	ID_SEARCH Search strategy: Iterative deepening search.
static int	RBF_SEARCH Search strategy: Recursive best first search.
static int	TREE_SEARCH Search mode: tree search.
static int	UC_SEARCH Search strategy: Uniform cost search.

Method Summary

Search	createSearch(int strategy, int mode) Creates a search instance.
static SearchFactory	getInstance() Provides access to the factory.
java.lang.String[]	getSearchModeNames() Returns the names of all search modes, which are supported by this factory.
java.lang.String[]	getSearchStrategyNames() Returns the names of all search strategies, which are supported by this factory.

Methods inherited from class java.lang.Object

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

Field Detail

DF_SEARCH

public static final int DF_SEARCH

Search strategy: Depth first search.

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Constant Field Values

BF_SEARCH

public static final int BF_SEARCH

Search strategy: Depth first search.

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Constant Field Values

ID_SEARCH

public static final int ID_SEARCH

Search strategy: Iterative deepening search.

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Constant Field Values

UC_SEARCH

public static final int UC_SEARCH

Search strategy: Uniform cost search.

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Constant Field Values

GBF_SEARCH

public static final int GBF_SEARCH

Search strategy: Greedy best first search.

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Constant Field Values

ASTAR_SEARCH

public static final int ASTAR_SEARCH

Search strategy: A* search.

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Constant Field Values

RBF_SEARCH

public static final int RBF_SEARCH

Search strategy: Recursive best first search.

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Constant Field Values

HILL_SEARCH

public static final int HILL_SEARCH

Search strategy: Hill climbing search.

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Constant Field Values

TREE_SEARCH

public static final int TREE_SEARCH

Search mode: tree search.

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Constant Field Values

GRAPH_SEARCH

public static final int GRAPH_SEARCH

Search mode: graph search.

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Constant Field Values

Method Detail

getInstance

public static SearchFactory getInstance()

Provides access to the factory. Implemented with lazy instantiation.

getSearchStrategyNames

public java.lang.String[] getSearchStrategyNames()

Returns the names of all search strategies, which are supported by this factory. The indices correspond to the parameter values of method createSearch(int, int).

getSearchModeNames

public java.lang.String[] getSearchModeNames()

Returns the names of all search modes, which are supported by this factory. The indices correspond to the parameter values of method createSearch(int, int).

createSearch

public Search createSearch(int strategy,
                           int mode)

Creates a search instance.

Parameters:

strategy - search strategy. See static constants.

mode - search mode: TREE_SEARCH or GRAPH_SEARCH