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oracle.spatial.network.lod
Class DummyNodeCostCalculator

java.lang.Object
oracle.spatial.network.lod.DummyNodeCostCalculator

All Implemented Interfaces:

NodeCostCalculator

public class DummyNodeCostCalculator

extends java.lang.Object

implements NodeCostCalculator

This implementation of NodeCostCalculator always returns 0 for node cost. This class is implemented as a singleton.

Since:

11gR2

Method Summary

double	getNodeCost(LogicalNode node) Computes the cost of the specified logical node.
static NodeCostCalculator	getNodeCostCalculator()
boolean	requiresUserData() Returns true if calculating node cost requires user data information.

Methods inherited from class java.lang.Object

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

Method Detail

getNodeCostCalculator

public static NodeCostCalculator getNodeCostCalculator()

getNodeCost

public double getNodeCost(LogicalNode node)

Description copied from interface: NodeCostCalculator

Computes the cost of the specified logical node.

Specified by:

getNodeCost in interface NodeCostCalculator

Parameters:

node - a standalone logical node

Returns:

node cost

requiresUserData

public boolean requiresUserData()

Description copied from interface: NodeCostCalculator

Returns true if calculating node cost requires user data information.

Specified by:

requiresUserData in interface NodeCostCalculator

Returns:

true if calculating node cost requires user data information, false otherwise.

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