org.encog.ml.prg

Class ProgramNode

java.lang.Object

org.encog.ml.tree.basic.BasicTreeNode

org.encog.ml.prg.ProgramNode

All Implemented Interfaces:

java.io.Serializable, TreeNode

public class ProgramNode
extends BasicTreeNode
implements java.io.Serializable

Represents a program node in an EPL program.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ProgramNode(EncogProgram theOwner, ProgramExtensionTemplate theTemplate, ProgramNode[] theArgs) Construct the program node.

Method Summary

Modifier and Type	Method and Description
boolean	allConstChildren()
boolean	allConstDescendants()
ExpressionValue	evaluate()
ProgramNode	getChildNode(int index) Get the specified child node.
ExpressionValue[]	getData()
java.lang.String	getName()
EncogProgram	getOwner()
ProgramExtensionTemplate	getTemplate()
boolean	isVariable()
java.lang.String	toString()

Methods inherited from class org.encog.ml.tree.basic.BasicTreeNode

addChildNodes, allLeafChildren, getChildNodes, isLeaf, size

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ProgramNode

public ProgramNode(EncogProgram theOwner,
                   ProgramExtensionTemplate theTemplate,
                   ProgramNode[] theArgs)

Construct the program node.

Parameters:

theOwner - The owner of the node.

theTemplate - The opcode that this node is based on.

theArgs - The child nodes to this node.

Method Detail

allConstChildren

public boolean allConstChildren()

Returns:

True if all children are constant.

allConstDescendants

public boolean allConstDescendants()

Returns:

True if all descendants are constant.

evaluate

public ExpressionValue evaluate()

Returns:

The evaluated value of this node.

getChildNode

public ProgramNode getChildNode(int index)

Get the specified child node.

Parameters:

index - The index of this node.

Returns:

The child node requested.

getData

public ExpressionValue[] getData()

Returns:

The node data.

getName

public java.lang.String getName()

Returns:

The name of this node (from the opcode template).

getOwner

public EncogProgram getOwner()

Returns:

The EncogProgram that owns this node.

getTemplate

public ProgramExtensionTemplate getTemplate()

Returns:

the template

isVariable

public boolean isVariable()

Returns:

Returns true if this node's value is variable.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object