org.jgap.gp

Interface IGPChromosome

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

BaseGPChromosome, ProgramChromosome

public interface IGPChromosome
extends java.io.Serializable

Interface for GP chromosomes. See ProgramChromosome for an implementation.

Since:

3.01

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CVS_REVISION String containing the CVS revision.

Method Summary

Modifier and Type	Method and Description
void	cleanup() Clean up the chromosome.
int	getChild(int a_index, int a_child) Gets the a_child'th child of the a_index'th node in this chromosome.
int	getFunction(int a_index) Gets the a_index'th function in this chromosome.
int	getFunction(int a_index, java.lang.Class a_type, int a_subType) Gets the i'th function of the given type in this chromosome.
CommandGene[]	getFunctions()
CommandGene[]	getFunctionSet()
GPConfiguration	getGPConfiguration()
IGPProgram	getIndividual()
CommandGene	getNode(int a_index) Gets the a_index'th node in this chromosome.
java.lang.String	getPersistentRepresentation()
int	getTerminal(int a_index) Gets the i'th terminal in this chromosome.
int	getTerminal(int a_index, java.lang.Class a_type, int a_subType) Gets the a_index'th terminal of the given type in this chromosome.
int	numFunctions()
int	numFunctions(java.lang.Class a_type, int a_subType) Counts the number of functions of the given type in this chromosome.
int	numTerminals()
int	numTerminals(java.lang.Class a_type, int a_subType) Counts the number of terminals of the given type in this chromosome.
void	redepth() Recalculate the depths of each node.
void	setIndividual(IGPProgram a_ind) Sets the individual the chromosome belongs to.
java.lang.String	toStringNorm(int a_startNode) Output program in "natural" notion (e.g.: "X + Y" for "X + Y")

Field Detail

CVS_REVISION

static final java.lang.String CVS_REVISION

String containing the CVS revision. Read out via reflection!

See Also:

Constant Field Values

Method Detail

getIndividual

IGPProgram getIndividual()

Returns:

the individual containing this chromosome

Since:

3.01

setIndividual

void setIndividual(IGPProgram a_ind)

Sets the individual the chromosome belongs to.

Parameters:

a_ind - the individual containing this chromosome

Since:

3.01

cleanup

void cleanup()

Clean up the chromosome.

Since:

3.01

toStringNorm

java.lang.String toStringNorm(int a_startNode)

Output program in "natural" notion (e.g.: "X + Y" for "X + Y")

Parameters:

a_startNode - the node to start with

Returns:

output in normalized notion

Since:

3.01

redepth

void redepth()

Recalculate the depths of each node.

Since:

3.01

numTerminals

int numTerminals()

Returns:

the number of terminals in this chromosome

Since:

3.01

numFunctions

int numFunctions()

Returns:

the number of functions in this chromosome

Since:

3.01

numTerminals

int numTerminals(java.lang.Class a_type,
                 int a_subType)

Counts the number of terminals of the given type in this chromosome.

Parameters:

a_type - the type of terminal to count

a_subType - the subtype to consider

Returns:

the number of terminals in this chromosome

Since:

3.01

numFunctions

int numFunctions(java.lang.Class a_type,
                 int a_subType)

Counts the number of functions of the given type in this chromosome.

Parameters:

a_type - the type of function to count

a_subType - the subtype to consider

Returns:

the number of functions in this chromosome.

Since:

3.01

getNode

CommandGene getNode(int a_index)

Gets the a_index'th node in this chromosome. The nodes are counted in a depth-first manner, with node 0 being the root of this chromosome.

Parameters:

a_index - the node number to get

Returns:

the node

Since:

3.01

getChild

int getChild(int a_index,
             int a_child)

Gets the a_child'th child of the a_index'th node in this chromosome. This is the same as the a_child'th node whose depth is one more than the depth of the a_index'th node.

Parameters:

a_index - the node number of the parent

a_child - the child number (starting from 0) of the parent

Returns:

the node number of the child, or -1 if not found

Since:

3.01

getTerminal

int getTerminal(int a_index)

Gets the i'th terminal in this chromosome. The nodes are counted in a depth-first manner, with node 0 being the first terminal in this chromosome.

Parameters:

a_index - the i'th terminal to get

Returns:

the terminal

Since:

3.01

getFunction

int getFunction(int a_index)

Gets the a_index'th function in this chromosome. The nodes are counted in a depth-first manner, with node 0 being the first function in this chromosome.

Parameters:

a_index - the a_index'th function to get

Returns:

the function

Since:

3.01

getTerminal

int getTerminal(int a_index,
                java.lang.Class a_type,
                int a_subType)

Gets the a_index'th terminal of the given type in this chromosome. The nodes are counted in a depth-first manner, with node 0 being the first terminal of the given type in this chromosome.

Parameters:

a_index - the a_index'th terminal to get

a_type - the type of terminal to get

a_subType - the subtype to consider

Returns:

the index of the terminal found, or -1 if no appropriate terminal was found

Since:

3.01

getFunction

int getFunction(int a_index,
                java.lang.Class a_type,
                int a_subType)

Gets the i'th function of the given type in this chromosome. The nodes are counted in a depth-first manner, with node 0 being the first function of the given type in this chromosome.

Parameters:

a_index - the i'th function to get

a_type - the type of function to get

a_subType - the subtype to consider

Returns:

the index of the function found, or -1 if no appropriate function was found

Since:

3.01

getFunctions

CommandGene[] getFunctions()

getFunctionSet

CommandGene[] getFunctionSet()

Returns:

set of CommandGene instances allowed

Since:

3.2.1

getGPConfiguration

GPConfiguration getGPConfiguration()

getPersistentRepresentation

java.lang.String getPersistentRepresentation()

Returns:

the persistent representation of the population, including all GP programs

Since:

3.3