com.nt.udc.util

Class SystemModel

java.lang.Object

com.nt.udc.util.SystemModel

All Implemented Interfaces:

java.io.Serializable

public class SystemModel
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SystemModel()
SystemModel(java.util.Vector inNMList) Initializes the SystemModel with the current list of Node Managers.

Method Summary

Methods

Modifier and Type	Method and Description
void	addNM(com.nt.udc.admin.NMItem newNM) Allows the AdminServer to add a new NodeManager to this model's current list of NodeManagers
void	addNode(com.nt.udc.admin.NodeItem newNode) Add a new node (represented by the NodeItem object) to the NodeManager residing at the specified IP Address in the NodeItem.
void	addNodes(java.util.Vector newNodes) Adds multiple nodes to the NodeManager residing at the IP Address specified in the NodeItem objects.
void	changeNM(com.nt.udc.admin.NMItem inNMItem) Allows the AdminServer to replace an NMItem object in this SystemModel with the given NMItem.
void	changeNode(com.nt.udc.admin.NodeItem newNode) Replaces the NodeItem object this model is currently using with the one given (based on NodeId).
java.lang.Object	clone()
void	fileChanged(com.nt.udc.admin.FileItem file)
com.nt.udc.admin.NMItem	getNMItem(java.lang.String inIPAddress, int inPort) Allows the AdminServer to get the NMItem object corresponding to the given IP address and port.
java.util.Vector	getNMList() Retrieves the list of NodeManagers maintained by this model.
com.nt.udc.admin.NodeInfo	getNodeInfo(java.lang.String inNodeId) Get a NodeInfo object describing the specified node.
com.nt.udc.admin.NodeItem	getNodeItem(java.lang.String inNodeId) Allows the AdminServer to get the NodeItem object corresponding to the given Node ID.
java.util.Vector	getNodeList()
java.util.Vector	getNodeList(java.lang.String inIPAddress, int inPort)
java.util.Vector	getOutputNodes(java.lang.String inNodeId)
void	load(java.lang.String configFile) Initializes this SystemModel with information stored in the given filename.
void	nodeChanged(com.nt.udc.admin.NMItem nmItem) Updates this SystemModel based on information received from AcctEventListener.nodeChanged() events.
void	nodeManagerChanged(com.nt.udc.admin.NMItem nmItem) Updates this SystemModel based on information received from AcctEventListener.nodeManagerChanged() events.
void	nodeManagersAdded(java.util.Vector inNMList) Updates this SystemModel based on information received from AcctEventListener.nodeManagersAdded() events.
void	nodeManagersRemoved(java.util.Vector inNMList) Updates this SystemModel based on information received from AcctEventListener.nodeManagersRemoved() events.
void	nodePerformanceUpdate(java.util.Vector perfs)
void	nodesAdded(com.nt.udc.admin.NMItem nmItem) Updates this SystemModel based on information received from AcctEventListener.nodesAdded() events.
void	nodesRemoved(com.nt.udc.admin.NMItem nmItem) Updates this SystemModel based on information received from AcctEventListener.nodesRemoved() events.
void	removeNM(com.nt.udc.admin.NMItem inNMItem) Allows the AdminServer to remove the corresponding NMItem object.
void	removeNode(com.nt.udc.admin.NodeItem inNodeItem) Removes the specified node from the system.
void	removeNodes(java.util.Vector inNodeItems) Removes the specified nodes from the system.
void	removeOutputNodes(java.lang.String inNodeId, java.util.Vector inOutputNodes) Removes the specified output nodes from the specified node.
void	save(java.lang.String configFile) Persists the information contained in this SystemModel to the specified file name.
void	setNMList(java.util.Vector inNMList) Allows the AdminServer to set the list of NodeManagers.
void	setNodeInfo(com.nt.udc.admin.NodeInfo nodeInfo) Set the NodeInfo object of the NodeItem with the corresponding Node ID to the passed-in NodeInfo object.
void	setNodeOutputs(java.lang.String inNodeId, java.util.Vector inNodeOutputs)
void	systemUpdate(SystemModel inModel) Updates this SystemModel based on information received from AcctEventListener.systemUpdate() events.
boolean	validateChannelIds(java.util.Vector inVecNodes)

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemModel

public SystemModel()

SystemModel

public SystemModel(java.util.Vector inNMList)

Initializes the SystemModel with the current list of Node Managers.

Parameters:

inNMList - Vector of NMItem objects representing the current list of NodeManagers known in the system.

Method Detail

getNMList

public java.util.Vector getNMList()

Retrieves the list of NodeManagers maintained by this model.

Returns:

Vector of NMItem objects which represents all node managers known to the Admin Server.

setNMList

public void setNMList(java.util.Vector inNMList)

Allows the AdminServer to set the list of NodeManagers.

Parameters:

inNMList - List of NodeManagers which replaces this model's current list of NodeManagers.

getNodeList

public java.util.Vector getNodeList()

Returns:

Returns a Vector of NodeInfo objects which represents all nodes known to the Admin Server.

getNodeList

public java.util.Vector getNodeList(java.lang.String inIPAddress,
                           int inPort)

Parameters:

inIPAddres - IPAddress of the NodeManager to retrieve the list of nodes for.

inPort - Port the NodeManager is running on

Returns:

Vector of NodeInfo objects which represents all nodes controlled by the NodeManager at the specified IP Address/Port.

getOutputNodes

public java.util.Vector getOutputNodes(java.lang.String inNodeId)

Parameters:

inNodeId - String representing the node ID to get the destinations for.

Returns:

Vector of ChannelInfo objects which represents all channels/nodes that receive input from the specified node.

setNodeOutputs

public void setNodeOutputs(java.lang.String inNodeId,
                  java.util.Vector inNodeOutputs)

Parameters:

inNodeID - Node ID to set output nodes to.

inNodeOutputs - Vector of String objects representing the nodes which should have their output nodes set to inNodeId.

validateChannelIds

public boolean validateChannelIds(java.util.Vector inVecNodes)

removeOutputNodes

public void removeOutputNodes(java.lang.String inNodeId,
                     java.util.Vector inOutputNodes)

Removes the specified output nodes from the specified node.

Parameters:

inNodeId - Node ID which will have output nodes removed.

inOutputNodes - Vector of String objects representing the output nodes to be removed from inNodeId.

addNM

public void addNM(com.nt.udc.admin.NMItem newNM)

Allows the AdminServer to add a new NodeManager to this model's current list of NodeManagers

Parameters:

newNM - NMItem representing the Node Manager to be added.

changeNM

public void changeNM(com.nt.udc.admin.NMItem inNMItem)

Allows the AdminServer to replace an NMItem object in this SystemModel with the given NMItem. inNMItem.getIPAddress() and inNMItem.getPort() are used to identify the NodeManager to change.

Parameters:

inNMItem - The NMItem to replace this model's current one.

removeNM

public void removeNM(com.nt.udc.admin.NMItem inNMItem)

Allows the AdminServer to remove the corresponding NMItem object. inNMItem.getIPAddress() and inNMItem.getPort() are used to identify the NodeManager to remove.

Parameters:

inNMItem - The NMItem to remove from this model's current list of Node Managers.

addNode

public void addNode(com.nt.udc.admin.NodeItem newNode)

Add a new node (represented by the NodeItem object) to the NodeManager residing at the specified IP Address in the NodeItem.

Parameters:

newNode - NodeItem to be added

addNodes

public void addNodes(java.util.Vector newNodes)

Adds multiple nodes to the NodeManager residing at the IP Address specified in the NodeItem objects.

Parameters:

newNodes - Vector of NodeItem objects to be added

removeNode

public void removeNode(com.nt.udc.admin.NodeItem inNodeItem)

Removes the specified node from the system.

Parameters:

inNodeItem - NodeItem to be removed.

removeNodes

public void removeNodes(java.util.Vector inNodeItems)

Removes the specified nodes from the system.

Parameters:

inNodeItems - Vector of NodeItem objects representing the nodes to be removed.

changeNode

public void changeNode(com.nt.udc.admin.NodeItem newNode)

Replaces the NodeItem object this model is currently using with the one given (based on NodeId).

Parameters:

changedNode - NodeItem which changed

setNodeInfo

public void setNodeInfo(com.nt.udc.admin.NodeInfo nodeInfo)

Set the NodeInfo object of the NodeItem with the corresponding Node ID to the passed-in NodeInfo object.

Parameters:

nodeInfo - Parameters for the node

getNodeInfo

public com.nt.udc.admin.NodeInfo getNodeInfo(java.lang.String inNodeId)

Get a NodeInfo object describing the specified node.

Parameters:

inNodeId - Node ID of the node to retrieve the Node Info for

load

public void load(java.lang.String configFile)
          throws java.io.IOException

Initializes this SystemModel with information stored in the given filename. It is assumed that this information was stored using the save method.

Parameters:

configFile - Name of the file to read data from.

Throws:

java.io.IOException

save

public void save(java.lang.String configFile)
          throws java.io.IOException

Persists the information contained in this SystemModel to the specified file name.

Parameters:

configFile - Name of the file to write data to.

Throws:

java.io.IOException

nodeManagersAdded

public void nodeManagersAdded(java.util.Vector inNMList)

Updates this SystemModel based on information received from AcctEventListener.nodeManagersAdded() events.

Parameters:

inNMList - Vector of NMItem objects

nodeManagersRemoved

public void nodeManagersRemoved(java.util.Vector inNMList)

Updates this SystemModel based on information received from AcctEventListener.nodeManagersRemoved() events.

Parameters:

inNMList - Vector of NMItem objects

nodeManagerChanged

public void nodeManagerChanged(com.nt.udc.admin.NMItem nmItem)

Updates this SystemModel based on information received from AcctEventListener.nodeManagerChanged() events.

Parameters:

nmItem - NMItem representing the NodeManager that changed.

nodesAdded

public void nodesAdded(com.nt.udc.admin.NMItem nmItem)

Updates this SystemModel based on information received from AcctEventListener.nodesAdded() events.

Parameters:

nmItem - NMItem representing the NodeManager that nodes were added to.

nodesRemoved

public void nodesRemoved(com.nt.udc.admin.NMItem nmItem)

Updates this SystemModel based on information received from AcctEventListener.nodesRemoved() events.

Parameters:

nmItem - NMItem representing the NodeManager that nodes were removed from.

nodeChanged

public void nodeChanged(com.nt.udc.admin.NMItem nmItem)

Updates this SystemModel based on information received from AcctEventListener.nodeChanged() events.

Parameters:

nmItem - NMItem representing the NodeManager whose nodes changed

fileChanged

public void fileChanged(com.nt.udc.admin.FileItem file)

nodePerformanceUpdate

public void nodePerformanceUpdate(java.util.Vector perfs)

systemUpdate

public void systemUpdate(SystemModel inModel)

Updates this SystemModel based on information received from AcctEventListener.systemUpdate() events.

Parameters:

inModel - SystemModel representing the new state of the system

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

getNMItem

public com.nt.udc.admin.NMItem getNMItem(java.lang.String inIPAddress,
                                int inPort)

Allows the AdminServer to get the NMItem object corresponding to the given IP address and port.

Parameters:

inIPAddres - IPAddress of the NodeManager

inPort - Port of the NodeManager

Returns:

NMItem object corresponding to the NodeManager at the specified IP address and port.

getNodeItem

public com.nt.udc.admin.NodeItem getNodeItem(java.lang.String inNodeId)

Allows the AdminServer to get the NodeItem object corresponding to the given Node ID.