The node must not already be an input or output node of its Class, it must not be an output clone associated with an InstanceNode, and, most importantly, it must not have parents.

Exceptions

Type	Condition
ExceptionHugin

AddToOutputs()

Makes this Node become an output node of its Class.

Declaration

public void AddToOutputs()

Remarks

The Node must not already be an output or input Node of its Class.

Exceptions

Type	Condition
ExceptionHugin

Clone()

Clones this node.

Declaration

public object Clone()

Returns

Type	Description
object

Remarks

Creates a new object (of the correct type) that is a clone of this Node.

Exceptions

Type	Condition
ExceptionHugin

CreateTemporalClone()

Constructs a temporal clone of this Node object.

Declaration

public Node CreateTemporalClone()

Returns

Type	Description
Node	A Node.

Remarks

This node (known as the "master" node) must not be an instance node, or a temporal or an output clone, and the node must belong to a class without input and output nodes. Moreover, this class must not be instantiated. Only one temporal clone can be created for each master node.

Exceptions

Type	Condition
ExceptionHugin

Delete()

Deletes this Node.

Declaration

public void Delete()

Exceptions

Type	Condition
ExceptionHugin

EvidenceIsEntered()

Tests if evidence is entered.

Declaration

public bool EvidenceIsEntered()

Returns

Type	Description
bool	Returns `true` if the evidence potential, currently registered with this Node, is non-vacuous; otherwise, returns `false`.

Exceptions

Type	Condition
ExceptionHugin

EvidenceIsPropagated()

Tests if evidence if propagated.

Declaration

public bool EvidenceIsPropagated()

Returns

Type	Description
bool	Returns `true` if the evidence potential for this Node, incorporated within the current junction tree potentials, is non-vacuous; otherwise, returns `false`.

Exceptions

Type	Condition
ExceptionHugin

EvidenceToPropagate()

Tests if the entered and the propagated evidence differ.

Declaration

public bool EvidenceToPropagate()

Returns

Type	Description
bool	Returns `true` if the entered and the propagated evidence differ; otherwise, returns `false`.

Exceptions

Type	Condition
ExceptionHugin

GetAttribute(string)

Returns the value associated with a particular attribute in the attribute list for this Node.

Declaration

public string GetAttribute(string key)

Parameters

Type	Name	Description
string	key	A String identifying the attribute in question.

Returns

Type	Description
string	A String containing the attribute value.

Exceptions

Type	Condition
ExceptionHugin

GetAttributes()

Returns a List of attributes associated with this Node.

Declaration

public List<Attribute> GetAttributes()

Returns

Type	Description
List<Attribute>

Exceptions

Type	Condition
ExceptionHugin

GetCategory()

Returns the Category of this Node

Declaration

public abstract Node.Category GetCategory()

Returns

Type	Description
Node.Category

GetChildren()

Returns a NodeList with the child Nodes of this Node.

Declaration

public NodeList GetChildren()

Returns

Type	Description
NodeList

Exceptions

Type	Condition
ExceptionHugin

GetEdgeConstraint(Node)

Returns the constraint between this node and node.

Declaration

public NetworkModel.Constraint GetEdgeConstraint(Node node)

Parameters

Type	Name	Description
Node	node	The second node in the constraint.

Returns

Type	Description
NetworkModel.Constraint	The NetworkModel.Constraint set between the two nodes.

Exceptions

Type	Condition
ExceptionHugin

GetHome()

Returns the Class or Domain containing this Node.

Declaration

public NetworkModel GetHome()

Returns

Type	Description
NetworkModel	The NetworkModel containing this Node.

Exceptions

Type	Condition
ExceptionHugin

GetHomeClass()

Returns the Class containing this Node. Returns null if the Node belongs to a Domain.

Declaration

public Class GetHomeClass()

Returns

Type	Description
Class	The Class containing this Node.

Exceptions

Type	Condition
ExceptionHugin

GetHomeDomain()

Returns the Domain containing this Node. Returns null if the Node belongs to a Class.

Declaration

public Domain GetHomeDomain()

Returns

Type	Description
Domain	The Domain containing this Node.

Exceptions

Type	Condition
ExceptionHugin

GetInstance()

Returns the InstanceNode containing this (cloned) output node.

Declaration

public Node GetInstance()

Returns

Type	Description
Node	The InstanceNode containing this output clone.

Remarks

Note that we clone all output nodes when we create an InstanceNode. This is done in order to make it possible to specify conditional probability tables involving output nodes from InstanceNode's.

Exceptions

Type	Condition
ExceptionHugin

GetJunctionTree()

Returns the JunctionTree to which this Node belongs.

Declaration

public JunctionTree GetJunctionTree()

Returns

Type	Description
JunctionTree	A JunctionTree.

Exceptions

Type	Condition
ExceptionHugin

GetKind()

Returns the Kind of this Node.

Declaration

public abstract Node.Kind GetKind()

Returns

Type	Description
Node.Kind	The Node.Kind value.

GetLabel()

Returns the label of this Node.

Declaration

public string GetLabel()

Returns

Type	Description
string

Exceptions

Type	Condition
ExceptionHugin

GetMaster()

Returns the "master" of this (cloned) output Node of an InstanceNode (i.e., the Node cloned to get this output Node).

Declaration

public Node GetMaster()

Returns

Type	Description
Node	The "master" of this Node if it is an output clone; otherwise, the method returns `null`.

Remarks

Note that "master" belongs to another Class object. Note also that we clone all output nodes when we create an InstanceNode. This is done in order to make it possible to specify conditional probability tables involving output nodes from InstanceNode's.

Exceptions

Type	Condition
ExceptionHugin

GetModel()

Returns the Model for this Node.

Declaration

public Model GetModel()

Returns

Type	Description
Model	A Model object.

Exceptions

Type	Condition
ExceptionHugin

GetName()

Returns the name of this Node.

Declaration

public string GetName()

Returns

Type	Description
string	The name of this node.

Remarks

If this node has not previously been assigned a name, a valid name will automatically be assigned.

Exceptions

Type	Condition
ExceptionHugin

GetParents()

Returns a NodeList with the parent Nodes of this Node.

Declaration

public NodeList GetParents()

Returns

Type	Description
NodeList	A NodeList containing the parent Nodes of this Node.

Remarks

If no parents exist, an empty NodeList is returned.

Exceptions

Type	Condition
ExceptionHugin

GetPosition()

Returns the position of this Node.

Declaration

public Point GetPosition()

Returns

Type	Description
Point

Exceptions

Type	Condition
ExceptionHugin

GetSource()

Returns a NodeList of Class nodes that identifies this Domain node.

Declaration

public NodeList GetSource()

Returns

Type	Description
NodeList	An ordered NodeList with the InstanceNodes and the ordinary Node identifying the source of this Node that must belong to a Domain.

Remarks

The CreateDomain() method of the Class class unfolds an object-oriented (nested) specification of a Bayesian network or an influence diagram into a regular Domain object.

Nodes in this Domain which originates from nodes residing in nested subnetworks (via InstanceNodes) can be uniquely related to a sequence of InstanceNodes and an ordinary Node of the object-oriented network.

Exceptions

Type	Condition
ExceptionHugin

GetTable()

Returns the table associated with this Node.

Declaration

public Table GetTable()

Returns

Type	Description
Table	A Table.

Remarks

Returns the table associated with this Node. If the node is a DiscreteChanceNode, the table is the conditional probability table for the node given its parents. If the node is a UtilityNode, the table represents a utility function of the parents of the node. The set of nodes associated with the table will be the (discrete) parents of the Node in unspecified order followed by the node itself.

Exceptions

Type	Condition
ExceptionHugin

GetTemporalClone()

Returns the "temporal clone" of this Node.

Declaration

public Node GetTemporalClone()

Returns

Type	Description
Node	A Node.

Remarks

If this Node doesn't have a temporal clone, null is returned.

Exceptions

Type	Condition
ExceptionHugin

GetTemporalMaster()

Returns the "temporal master" of this Node.

Declaration

public Node GetTemporalMaster()

Returns

Type	Description
Node	A Node.

Remarks

If this Node is not a temporal clone, null is returned.

Exceptions

Type	Condition
ExceptionHugin

GetUserData()

Returns the value stored within the user data slot of this node.

Declaration

public object GetUserData()

Returns

Type	Description
object	The user data Object stored within this Node.

Remarks

Returns the value stored within the user data slot of this Node. If the stored value is null, or if no value has been stored, null is returned. It is the responsibility of the application programmer to ensure that the data is valid. Also note that when you delete a node, Hugin does not attempt to delete the Object referenced by the user data slot. It is the responsibility of the user.

IsAlive()

Is this Node object alive?

Declaration

public bool IsAlive()

Returns

Type	Description
bool

LikelihoodIsEntered()

Tests if the evidence potential, currently registered with this Node, is a likelihood.

Declaration

public bool LikelihoodIsEntered()

Returns

Type	Description
bool	Returns `true` if the evidence potential, currently registered with this Node, is a likelihood; otherwise, returns `false`.

Exceptions

Type	Condition
ExceptionHugin

LikelihoodIsPropagated()

Tests if the evidence potential for this Node, incorporated within the current junction tree potentials, is a likelihood.

Declaration

public bool LikelihoodIsPropagated()

Returns

Type	Description
bool	Returns `true` if the evidence potential for this Node, incorporated within the current junction tree potentials, a likelihood; otherwise, returns `false`.

Exceptions

Type	Condition
ExceptionHugin

RemoveFromInputs()

Removes this Node from the set of input nodes of its class.

Declaration

public void RemoveFromInputs()

Exceptions

Type	Condition
ExceptionHugin

RemoveFromOutputs()

Removes this Node from the set of output nodes of its Class.

Declaration

public void RemoveFromOutputs()

Exceptions

Type	Condition
ExceptionHugin

RemoveParent(Node)

Removes the directed link between a parent and this Node.

Declaration

public void RemoveParent(Node parent)

Parameters

Type	Name	Description
Node	parent	The parent Node that will be removed.

Remarks

The table (if any) of the Node will be updated such that the updated table will be the portion of the old table that corresponds to the parent being in its first state.

Exceptions

Type	Condition
ExceptionHugin

ReverseEdge(Node)

Reverses the edge between this Node and the specified neighbor.

Declaration

public void ReverseEdge(Node node)

Parameters

Type	Name	Description
Node	node	the neighbor in question.

Exceptions

Type	Condition
ExceptionHugin

SetAttribute(string, string)

Sets a value for a particular attribute in the attribute list for this Node.

Declaration

public void SetAttribute(string key, string value)

Parameters

Type	Name	Description
string	key	A String identifying the attribute in question.
string	value	a String containing the attribute value.

Remarks

If value is null, the attribute is removed.

Exceptions

Type	Condition
ExceptionHugin

SetAttributes(List<Attribute>)

Sets the attributes of this Node to attributes.

Declaration

public void SetAttributes(List<Attribute> attributes)

Parameters

Type	Name	Description
List<Attribute>	attributes	List of Attributes.

Exceptions

Type	Condition
ExceptionHugin

SetEdgeConstraint(Node, Constraint)

Sets a constraint between this Node and another Node.

Declaration

public void SetEdgeConstraint(Node node, NetworkModel.Constraint constraint)

Parameters

Type	Name	Description
Node	node	the second node in the constraint.
NetworkModel.Constraint	constraint	the NetworkModel.Constraint to be set.

Remarks

The constraint must be an instance of NetworkModel.Constraint.

Exceptions

Type	Condition
ExceptionHugin

SetLabel(string)

Sets the label of this Node.

Declaration

public void SetLabel(string label)

Parameters

Type	Name	Description
string	label	the label

Exceptions

Type	Condition
ExceptionHugin

SetName(string)

Sets the name of this Node.

Declaration

public void SetName(string name)

Parameters

Type	Name	Description
string	name	the name of the Node (a String).

Remarks

The name must be valid, i.e., it must follow the rules that govern the validity of C identifiers, and no other node in the network to which this Node belongs must have the same name.

Exceptions

Type	Condition
ExceptionHugin

SetPosition(Point)

Sets the position of this Node.

Declaration

public void SetPosition(Point position)

Parameters

Type	Name	Description
Point	position	The desired (x,y) coordinates of the Node.

Exceptions

Type	Condition
ExceptionHugin

SetUserData(object)

Sets some user-defined data for this Node.

Declaration

public void SetUserData(object data)

Parameters

Type	Name	Description
object	data	An Object contaning the user-defined data associated with this Node.

Remarks

Sets the user data field of this Node. The Hugin API provides a slot within each Node for use exclusively by the user/application. This slot can hold an instance of type Object, such as a String, a List{T}, etc. Please note that Hugin does not do anything to the user data. Data is not even copied. Only a reference to the data is stored.

SwitchParent(Node, Node)

Replace the given parent node with the new node.

Declaration

public void SwitchParent(Node oldParent, Node newParent)

Parameters

Type	Name	Description
Node	oldParent	The old parent
Node	newParent	The new parent

Remarks

The old and new parent must be compatible. That is, they must be of the same class, and have an identical state set.

Exceptions

Type	Condition
ExceptionHugin

Implements

ICloneable