org.yawlfoundation.yawl.worklet.rdr

Class RdrNode

java.lang.Object

org.yawlfoundation.yawl.worklet.rdr.RdrNode

All Implemented Interfaces:

java.lang.Cloneable

public class RdrNode
extends java.lang.Object
implements java.lang.Cloneable

A Ripple Down Rule Node implementation. Each RdrNode contains an individual rule. The RdrTree class maintains a set of these nodes.

Author:

Michael Adams v0.8, 04-09/2006

Constructor Summary

Constructors

Constructor and Description
RdrNode() Default constructor
RdrNode(RdrNode pParent, RdrNode pTrueChild, RdrNode pFalseChild, java.lang.String pCondition, Element pConclusion, Element pCornerStone) Construct a new RdrNode
RdrNode(RdrNode parent, java.lang.String condition, Element conclusion) Construct a node with the basic values provided
RdrNode(java.lang.String xml) Construct a node from an xml representation
RdrNode(java.lang.String condition, Element conclusion, Element cornerstone) Construct a node with the basic values provided
RdrNode(java.lang.String condition, RdrConclusion conclusion, Element cornerstone) Construct a node with the basic values provided
RdrNode(XNode node) Construct a node from an XNode representation

Method Summary

Modifier and Type	Method and Description
RdrNode	clone()
boolean	equals(java.lang.Object o)
void	fromXML(java.lang.String xml)
protected void	fromXNode(XNode xNode) Only called when adding a new node, so it will have no id, parent or children, or for WorkletRunner transport, where connected nodes are not required
RdrConclusion	getConclusion()
java.lang.String	getCondition()
Element	getCornerStone()
java.lang.String	getDescription()
RdrNode	getFalseChild()
long	getNodeId()
RdrNode	getParent()
RdrNode	getTrueChild()
int	hashCode()
boolean	hasIdenticalContent(RdrNode other) Compares another node to this for equality in condition, conclusion and cornerstone values
boolean	isLeaf()
RdrPair	search(Element caseData, RdrNode lastTrueNode) Recursively search each node using the condition of each to determine the path to take through the tree of which this node is a member.
void	setAttributes(YAttributeMap map, java.lang.String taskName)
void	setConclusion(RdrConclusion newConclusion)
void	setCondition(java.lang.String newCondition)
void	setCornerStone(Element newCorner)
void	setDescription(java.lang.String desc)
void	setFalseChild(RdrNode childNode)
void	setNodeID(long nodeID)
void	setParent(RdrNode parentNode)
void	setTrueChild(RdrNode childNode)
java.lang.String	toString() returns a String representation of this node
java.lang.String	toXML()
XNode	toXNode()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RdrNode

public RdrNode()

Default constructor

RdrNode

public RdrNode(RdrNode pParent,
               RdrNode pTrueChild,
               RdrNode pFalseChild,
               java.lang.String pCondition,
               Element pConclusion,
               Element pCornerStone)

Construct a new RdrNode

Parameters:

pParent - - the parent node of this node

pTrueChild - - the node on this node's true branch

pFalseChild - - the node on this node's false branch

pCondition - - the condition stored in this node

pConclusion - - the conclusion stored in this node

pCornerStone - - the cornerstone case data for this node

RdrNode

public RdrNode(java.lang.String xml)

Construct a node from an xml representation

Parameters:

xml - - the xml that describes the new node

RdrNode

public RdrNode(XNode node)

Construct a node from an XNode representation

Parameters:

node - - the x-node that describes the new node

RdrNode

public RdrNode(RdrNode parent,
               java.lang.String condition,
               Element conclusion)

Construct a node with the basic values provided

Parameters:

parent - - the parent node of this node

condition - - the condition stored in this node

conclusion - - the conclusion stored in this node

RdrNode

public RdrNode(java.lang.String condition,
               Element conclusion,
               Element cornerstone)

Construct a node with the basic values provided

Parameters:

condition - - the condition stored in this node

conclusion - - the conclusion stored in this node

cornerstone - - the data set that led to the creation of this node

RdrNode

public RdrNode(java.lang.String condition,
               RdrConclusion conclusion,
               Element cornerstone)

Construct a node with the basic values provided

Parameters:

condition - - the condition stored in this node

conclusion - - the conclusion stored in this node

cornerstone - - the data set that led to the creation of this node

Method Detail

clone

public RdrNode clone()
              throws java.lang.CloneNotSupportedException

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException

getNodeId

public long getNodeId()

getCondition

public java.lang.String getCondition()

getConclusion

public RdrConclusion getConclusion()

getCornerStone

public Element getCornerStone()

getFalseChild

public RdrNode getFalseChild()

getTrueChild

public RdrNode getTrueChild()

getParent

public RdrNode getParent()

getDescription

public java.lang.String getDescription()

isLeaf

public boolean isLeaf()

setNodeID

public void setNodeID(long nodeID)

setCondition

public void setCondition(java.lang.String newCondition)

setConclusion

public void setConclusion(RdrConclusion newConclusion)

setCornerStone

public void setCornerStone(Element newCorner)

setFalseChild

public void setFalseChild(RdrNode childNode)

setTrueChild

public void setTrueChild(RdrNode childNode)

setParent

public void setParent(RdrNode parentNode)

setDescription

public void setDescription(java.lang.String desc)

setAttributes

public void setAttributes(YAttributeMap map,
                          java.lang.String taskName)

hasIdenticalContent

public boolean hasIdenticalContent(RdrNode other)

Compares another node to this for equality in condition, conclusion and cornerstone values

Parameters:

other - the other node

Returns:

true if they match on the 3 c's

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

search

public RdrPair search(Element caseData,
                      RdrNode lastTrueNode)

Recursively search each node using the condition of each to determine the path to take through the tree of which this node is a member.

Parameters:

caseData - - a JDOM Element that contains the set of data attributes and values that are used to evaluate the conditional expressions

lastTrueNode - - the RdrNode that contains the last satisfied condition

Returns:

an RdrPair with two nodes: [0] the last satisfied node [1] the last node searched

toString

public java.lang.String toString()

returns a String representation of this node

Overrides:

toString in class java.lang.Object

toXML

public java.lang.String toXML()

toXNode

public XNode toXNode()

fromXML

public void fromXML(java.lang.String xml)

fromXNode

protected void fromXNode(XNode xNode)

Only called when adding a new node, so it will have no id, parent or children, or for WorkletRunner transport, where connected nodes are not required

Parameters:

xNode -