org.opendaylight.vtn.manager.internal.vnode

Class VNodeWalker<T>

java.lang.Object

org.opendaylight.vtn.manager.internal.vnode.VNodeWalker<T>

Type Parameters:

T - The type of arbitrary data to be passed to virtual nodes.

Direct Known Subclasses:

PathFaultResolver, VtnNodeEventHandler, VtnPortEventHandler

public abstract class VNodeWalker<T>
extends Object

VNodeWalker describes a VTN task that walks all the virtual nodes in the VTN model tree.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	VNodeWalker() Construct a new instance.

Method Summary

Modifier and Type	Method and Description
void	scan(TxContext ctx, T data) Scan all the virtual nodes in the VTN model tree.
protected abstract void	scan(TxContext ctx, VBridge vbr, T data) Scan all the virtual nodes in the specified vBridge.
protected abstract void	scan(TxContext ctx, VTerminal vtm, T data) Scan all the virtual nodes in the specified vTerminal.

Methods inherited from class java.lang.Object

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

Constructor Detail

VNodeWalker

protected VNodeWalker()

Construct a new instance.

Method Detail

scan

public final void scan(TxContext ctx,
                       T data)
                throws VTNException

Scan all the virtual nodes in the VTN model tree.

Parameters:

ctx - A runtime context for transaction task.

data - An arbitrary data to be passed to virtual nodes.

Throws:

VTNException - An error occurred.

scan

protected abstract void scan(TxContext ctx,
                             VBridge vbr,
                             T data)
                      throws VTNException

Scan all the virtual nodes in the specified vBridge.

Parameters:

ctx - A runtime context for transaction task.

vbr - A VBridge instance.

data - An arbitrary data to be passed to virtual nodes.

Throws:

VTNException - An error occurred.

scan

protected abstract void scan(TxContext ctx,
                             VTerminal vtm,
                             T data)
                      throws VTNException

Scan all the virtual nodes in the specified vTerminal.

Parameters:

ctx - A runtime context for transaction task.

vtm - A VTerminal instance.

data - An arbitrary data to be passed to virtual nodes.

Throws:

VTNException - An error occurred.