gr.uoa.di.madgik.commons.infra.nodeselection.cost

Class DistanceNodeSelector

java.lang.Object

gr.uoa.di.madgik.commons.infra.nodeselection.cost.DistanceNodeSelector

All Implemented Interfaces:

NodeSelector

public class DistanceNodeSelector
extends Object
implements NodeSelector

Constructor Summary

Constructors

Constructor and Description
DistanceNodeSelector()
DistanceNodeSelector(NodeSelector tieBreaker)

Method Summary

Methods

Modifier and Type	Method and Description
List<HostingNodeInfo>	assessNodes(List<HostingNode> candidates) Assesses the suitability of the candidate set of nodes without keeping internal memory of node selection.
void	markSelected(HostingNode node)
HostingNode	selectNode(List<HostingNode> candidates) Selects the most suitable node and marks the selection internally, if necessary

Methods inherited from class java.lang.Object

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

Constructor Detail

DistanceNodeSelector

public DistanceNodeSelector()
                     throws Exception

Throws:

Exception

DistanceNodeSelector

public DistanceNodeSelector(NodeSelector tieBreaker)
                     throws Exception

Throws:

Exception

Method Detail

selectNode

public HostingNode selectNode(List<HostingNode> candidates)

Description copied from interface: NodeSelector

Selects the most suitable node and marks the selection internally, if necessary

Specified by:

selectNode in interface NodeSelector

Parameters:

candidates - The candidate set of nodes

Returns:

The most suitable node

assessNodes

public List<HostingNodeInfo> assessNodes(List<HostingNode> candidates)

Description copied from interface: NodeSelector

Assesses the suitability of the candidate set of nodes without keeping internal memory of node selection.

Specified by:

assessNodes in interface NodeSelector

Parameters:

candidates - The candidate set of nodes

Returns:

A sorted list of the candidate set ordered by the most to the least suitable.

markSelected

public void markSelected(HostingNode node)

Specified by:

markSelected in interface NodeSelector