xflow.common
Class DirectedGraph

java.lang.Object
  xflow.common.DirectedGraph

All Implemented Interfaces:

java.io.Serializable

public class DirectedGraph

extends java.lang.Object

implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

DirectedGraph()
Constructor

DirectedGraph(java.lang.String name)
Creates a new instance of DirectedGraph with name

DirectedGraph(java.lang.String name, int vers)
Creates a new instance of DirectedGraph with name and version

Method Summary

java.util.List	getAllNodes()
java.lang.String	getDescription()
Node	getEndNode()
int	getGraphId()
java.lang.String	getName()
Node	getNode(int nodeId) Gets a node given the node Id
Node	getNode(java.lang.String nodeName) Gets a node given the node name
java.util.List	getNodes(java.lang.String nodeType)
Node	getRootNode() Gets the root node of this graph
int	getVersion()
static DirectedGraph	loadByGraphId(int gid) Retrieves a graph from the Database using graph ID, including all of its nodes.
void	loadDB() Retrieves a graph from the Database, including all of its nodes.
void	saveDB() Save the graph and all its nodes to the Database.
void	setDescription(java.lang.String d)
void	setGraphId(int i)
void	setName(java.lang.String n)
void	setRootNode(Node node) Sets the root node of this graph.
void	setVersion(int v)
java.lang.String	toXML()
void	validate() Validate a DirectedGraph

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectedGraph

public DirectedGraph()

Constructor

DirectedGraph

public DirectedGraph(java.lang.String name)

Creates a new instance of DirectedGraph with name

Parameters:

name - The name of the graph

DirectedGraph

public DirectedGraph(java.lang.String name,
                     int vers)

Creates a new instance of DirectedGraph with name and version

Parameters:

name - The name of the graph

vers - The version of the graph

Method Detail

getName

public java.lang.String getName()

setName

public void setName(java.lang.String n)

getDescription

public java.lang.String getDescription()

setDescription

public void setDescription(java.lang.String d)

getVersion

public int getVersion()

setVersion

public void setVersion(int v)

getGraphId

public int getGraphId()

setGraphId

public void setGraphId(int i)

setRootNode

public void setRootNode(Node node)

Sets the root node of this graph.

Parameters:

node - the root node

getRootNode

public Node getRootNode()

Gets the root node of this graph

Returns:

Node, the root node

loadDB

public void loadDB()
            throws XflowException,
                   java.sql.SQLException

Retrieves a graph from the Database, including all of its nodes.

Throws:

XflowException

java.sql.SQLException

loadByGraphId

public static DirectedGraph loadByGraphId(int gid)
                                   throws XflowException

Retrieves a graph from the Database using graph ID, including all of its nodes.

Throws:

XflowException

saveDB

public void saveDB()
            throws java.lang.Exception

Save the graph and all its nodes to the Database.

Throws:

java.lang.Exception

getNode

public Node getNode(int nodeId)

Gets a node given the node Id

Returns:

Node

validate

public void validate()
              throws XflowException

Validate a DirectedGraph

Throws:

XflowException

toXML

public java.lang.String toXML()
                       throws XflowException

Throws:

XflowException

getNode

public Node getNode(java.lang.String nodeName)

Gets a node given the node name

Returns:

Node

getEndNode

public Node getEndNode()

getNodes

public java.util.List getNodes(java.lang.String nodeType)

getAllNodes

public java.util.List getAllNodes()