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oracle.spatial.network.lod
Class DynamicLinkLevelSelector

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

All Implemented Interfaces:

LinkLevelSelector

public class DynamicLinkLevelSelector

extends java.lang.Object

implements LinkLevelSelector

This implementation of LinkLevelSelector dynamically assigns link level to the next node according to the attributes of the current node and the location of the next node.

Since:

11gR2

Constructor Summary

DynamicLinkLevelSelector(int maxLinkLevel, HeuristicCostFunction costFunction, double costThreshold, double startCostThreshold, double endCostThreshold)

Method Summary

int	getLinkLevelToExpand(LODAnalysisInfo ai) Returns the link level for the next node to expend on.
boolean	requiresAnalysisInfo() Whether analysis info is required.
boolean	requiresUserData() Whether user data is required.

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamicLinkLevelSelector

public DynamicLinkLevelSelector(int maxLinkLevel,
                                HeuristicCostFunction costFunction,
                                double costThreshold,
                                double startCostThreshold,
                                double endCostThreshold)
                         throws LODNetworkException

Throws:

LODNetworkException

Method Detail

getLinkLevelToExpand

public int getLinkLevelToExpand(LODAnalysisInfo ai)
                         throws LODNetworkException

Description copied from interface: LinkLevelSelector

Returns the link level for the next node to expend on.

Specified by:

getLinkLevelToExpand in interface LinkLevelSelector

Parameters:

ai - analysis information

Returns:

Throws:

LODNetworkException

requiresAnalysisInfo

public boolean requiresAnalysisInfo()

Description copied from interface: LinkLevelSelector

Whether analysis info is required.

Specified by:

requiresAnalysisInfo in interface LinkLevelSelector

Returns:

true is analysis info cannot be null; false, otherwise.

requiresUserData

public boolean requiresUserData()

Description copied from interface: LinkLevelSelector

Whether user data is required.

Specified by:

requiresUserData in interface LinkLevelSelector

Returns:

true is user data is required; false, otherwise.

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