Package oracle.spatial.network.lod

Class LeveledNetworkCache

java.lang.Object

oracle.spatial.network.lod.LeveledNetworkCache

public class LeveledNetworkCache
extends java.lang.Object

An instance of this class contains the cache for all link levels of a network.

Since:

11gR1

Field Summary

Fields

Modifier and Type	Field	Description
protected static int	MIN_LINK_LEVEL

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LeveledNetworkCache(CachingPolicy[] policies)	A LogicalNetworkCache must know the exact number of link levels and the caching policy for each link level when it is constructed.
protected	LeveledNetworkCache(oracle.spatial.network.lod.NetworkCache[] networkCaches)

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears network cache for all link levels.
void	clear(int linkLevel)	Clears network cache for the specified link level.
void	flushPartition(int partitionId, int linkLevel)	Removes the partition from the cache.
protected int[]	getLinkPartitionIds(long linkId, int linkLevel)
protected int	getNodePartitionId(long nodeId, int linkLevel)
int	getNumberOfLinkLevels()
protected int	getNumberOfNodes(int linkLevel)
protected int	getNumberOfNodesInMemory()	Return the total number of nodes in memory for all link levels.
int	getNumberOfNodesInMemory(int linkLevel)	Return the number of nodes in memory for the specified link level.
int	getNumberOfPartitions(int linkLevel)	Returns the number of network partitions in the cache for the specified link level.
protected LogicalPartition	getPartition(int partitionId, int linkLevel)	Retrieves the network partition from the cache.
int[]	getPartitionIds(int linkLevel)
LongHashMap<LogicalPartition>	getPartitions(int linkLevel)	Returns all the network partitions in the cache for the specified link level.
protected boolean	isNetworkPartitioned(int linkLevel)
protected boolean	isNetworkPartitionedSet(int linkLevel)
protected void	setIsNetworkPartitioned(boolean isNetworkPartitioned, int linkLevel)
protected void	setNetworkCache(int linkLevel, oracle.spatial.network.lod.NetworkCache networkCache)
protected void	setNodePartitionId(long nodeId, int partitionId, int linkLevel)
protected void	setNumberOfLinkLevels(int numLinkLevels)
protected void	setNumberOfLinks(int numberOfLinks, int linkLevel)
protected void	setNumberOfNodes(int numberOfNodes, int linkLevel)
void	setPartition(int partitionId, LogicalPartition partition, int linkLevel)	Adds or replaces a network partition in the cache.
protected void	setPartitionIds(int[] partitionIds, int linkLevel)
java.lang.String	toString()
void	update(int linkLevel, NetworkUpdate networkUpdate)	Updates the network cache.

Methods inherited from class java.lang.Object

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

Field Detail

MIN_LINK_LEVEL

protected static final int MIN_LINK_LEVEL

See Also:

Constant Field Values

Constructor Detail

LeveledNetworkCache

protected LeveledNetworkCache(CachingPolicy[] policies)
                       throws LODConfigException

A LogicalNetworkCache must know the exact number of link levels and the caching policy for each link level when it is constructed.

Parameters:

policies - caching policies

Throws:

LODConfigException

LeveledNetworkCache

protected LeveledNetworkCache(oracle.spatial.network.lod.NetworkCache[] networkCaches)

Method Detail

getNumberOfLinkLevels

public int getNumberOfLinkLevels()

getPartition

protected LogicalPartition getPartition(int partitionId,
                                        int linkLevel)

Retrieves the network partition from the cache.

Parameters:

partitionId - partition ID

linkLevel - link level

Returns:

partition

getPartitions

public LongHashMap<LogicalPartition> getPartitions(int linkLevel)

Returns all the network partitions in the cache for the specified link level.

Parameters:

linkLevel - link level

Returns:

getNodePartitionId

protected int getNodePartitionId(long nodeId,
                                 int linkLevel)

getLinkPartitionIds

protected int[] getLinkPartitionIds(long linkId,
                                    int linkLevel)

getNumberOfNodes

protected int getNumberOfNodes(int linkLevel)

getNumberOfNodesInMemory

public int getNumberOfNodesInMemory(int linkLevel)

Return the number of nodes in memory for the specified link level.

Parameters:

linkLevel - link level

Returns:

getNumberOfNodesInMemory

protected int getNumberOfNodesInMemory()

Return the total number of nodes in memory for all link levels.

Returns:

getNumberOfPartitions

public int getNumberOfPartitions(int linkLevel)

Returns the number of network partitions in the cache for the specified link level.

Parameters:

linkLevel - link level

Returns:

getPartitionIds

public int[] getPartitionIds(int linkLevel)

isNetworkPartitioned

protected boolean isNetworkPartitioned(int linkLevel)

isNetworkPartitionedSet

protected boolean isNetworkPartitionedSet(int linkLevel)

setNetworkCache

protected void setNetworkCache(int linkLevel,
                               oracle.spatial.network.lod.NetworkCache networkCache)

setNumberOfLinkLevels

protected void setNumberOfLinkLevels(int numLinkLevels)

setPartition

public void setPartition(int partitionId,
                         LogicalPartition partition,
                         int linkLevel)
                  throws LODNetworkException

Adds or replaces a network partition in the cache.

Parameters:

partitionId -

partition -

Throws:

LODNetworkException

setNodePartitionId

protected void setNodePartitionId(long nodeId,
                                  int partitionId,
                                  int linkLevel)

setNumberOfLinks

protected void setNumberOfLinks(int numberOfLinks,
                                int linkLevel)

setNumberOfNodes

protected void setNumberOfNodes(int numberOfNodes,
                                int linkLevel)

setPartitionIds

protected void setPartitionIds(int[] partitionIds,
                               int linkLevel)

setIsNetworkPartitioned

protected void setIsNetworkPartitioned(boolean isNetworkPartitioned,
                                       int linkLevel)

flushPartition

public void flushPartition(int partitionId,
                           int linkLevel)

Removes the partition from the cache.

Parameters:

partitionId -

linkLevel -

clear

public void clear(int linkLevel)

Clears network cache for the specified link level.

Parameters:

linkLevel - link level

clear

public void clear()

Clears network cache for all link levels.

update

public void update(int linkLevel,
                   NetworkUpdate networkUpdate)
            throws LODNetworkException

Updates the network cache.

Throws:

LODNetworkException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object