org.odpi.openmetadata.userinterface.uichassis.springboot.service

Class LineageGraphDisplayService

java.lang.Object

org.odpi.openmetadata.userinterface.uichassis.springboot.service.LineageGraphDisplayService

@Service
 @ConfigurationProperties(prefix="lineage-display-config")
public class LineageGraphDisplayService
extends Object

This component matches the properties provided under lineage-display-config which provide rules based on which the edge's direction will be inverted

Constructor Summary

Constructors

Constructor and Description
LineageGraphDisplayService()

Method Summary

Modifier and Type	Method and Description
void	applyRules(Graph graph, String queriedNodeGUID) This method applies the rules defined in the properties file on the graph.
Rules	getRules()
void	setNodesLevel(List<Node> startNodes, List<Node> listNodes, List<Edge> listEdges) sets the level field for the nodes, in order to be displayed on levels Stars from a start list of nodes and sets a the level+1 for the nodes on the ends of "to" edges and legel -1 for the nodes from the "from" end of it's edges once an edge or node is processed is removed from the list.
void	setRules(Rules rules)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

LineageGraphDisplayService

public LineageGraphDisplayService()

Method Detail

getRules

public Rules getRules()

setRules

public void setRules(Rules rules)

applyRules

public void applyRules(Graph graph,
                       String queriedNodeGUID)

This method applies the rules defined in the properties file on the graph.

Parameters:

graph - graph processed from the response from open lineage

queriedNodeGUID - the GUID of the queried node

setNodesLevel

public void setNodesLevel(List<Node> startNodes,
                          List<Node> listNodes,
                          List<Edge> listEdges)

sets the level field for the nodes, in order to be displayed on levels Stars from a start list of nodes and sets a the level+1 for the nodes on the ends of "to" edges and legel -1 for the nodes from the "from" end of it's edges once an edge or node is processed is removed from the list.

Parameters:

startNodes - the starting nodes

listNodes - the list of nodes

listEdges - the list of edges

toString

public String toString()

Overrides:

toString in class Object