Package jadex.rules.rulesystem.rete.nodes

Class VirtualFact

java.lang.Object

jadex.rules.rulesystem.rete.nodes.VirtualFact

public class VirtualFact
extends java.lang.Object

A virtual fact represents a fact with some specified multislot variable bindings. The values of the virtual fact store the bindings for the sub variables, i.e. [var0] -> {val1, val2, ..}, [var1] -> {val3}, ...

Field Summary

Fields

Modifier and Type	Field	Description
protected OAVAttributeType	attr	The attribute.
protected java.lang.Object	object	The real fact (object).
protected java.util.List	values	The values of the sub attributes.

Constructor Summary

Constructors

Constructor	Description
VirtualFact(java.lang.Object object, OAVAttributeType attr, java.util.List values)	Create a new virtual fact.

Method Summary

Modifier and Type	Method	Description
OAVAttributeType	getAttribute()	Get the attribute.
java.lang.Object	getObject()	Get the real fact.
java.lang.Object	getSubAttributeValue(OAVAttributeType attr, int subindex)	Get the value or values of a sub attribute.
VirtualFact	getSuperFact()	Get the containing fact.
java.lang.String	toString()	Get the string representation.

Methods inherited from class java.lang.Object

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

Field Detail

object

protected java.lang.Object object

The real fact (object).

attr

protected OAVAttributeType attr

The attribute.

values

protected java.util.List values

The values of the sub attributes.

Constructor Detail

VirtualFact

public VirtualFact(java.lang.Object object,
                   OAVAttributeType attr,
                   java.util.List values)

Create a new virtual fact.

Method Detail

getObject

public java.lang.Object getObject()

Get the real fact.

Returns:

The real fact.

getAttribute

public OAVAttributeType getAttribute()

Get the attribute.

Returns:

The attribute.

getSuperFact

public VirtualFact getSuperFact()

Get the containing fact.

Returns:

The containing fact.

getSubAttributeValue

public java.lang.Object getSubAttributeValue(OAVAttributeType attr,
                                             int subindex)

Get the value or values of a sub attribute. The subindex specifies the variable which should be accessed. Each virtual fact has bindings for every subvariable, i.e. the values contain for each variable its current values.

Parameters:

attr - The attribute.

subindex - The subindex.

toString

public java.lang.String toString()

Get the string representation.

Overrides:

toString in class java.lang.Object

Returns:

The string representation.