oracle.spatial.network.lod

Interface CachingHandler

All Known Implementing Classes:

LRUCachingHandler

public interface CachingHandler

This interface defines methods supported by a caching handler.

Since:

11gR1

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone() Creates and returns a copy of this CachingHandler object.
int[]	getPartitionsToFlushOut(java.util.Collection<java.lang.Integer> residentPartitions, int minNumNodesToFlushOut) Returns the IDs of the partitions to be flushed out.
void	updateRank(LogicalPartition partition) Updates the rank of the partition in the cache.

Method Detail

getPartitionsToFlushOut

int[] getPartitionsToFlushOut(java.util.Collection<java.lang.Integer> residentPartitions,
                              int minNumNodesToFlushOut)
                       throws LODNetworkException

Returns the IDs of the partitions to be flushed out.

Parameters:

residentPartitions - resident partitions, which are the partitions to be excluded from the returned list.

Returns:

IDs of the partitions to be flushed out.

Throws:

LODNetworkException

updateRank

void updateRank(LogicalPartition partition)

Updates the rank of the partition in the cache. The rank will be used to determine which partitions to be flushed out of the cache when getPartitionsToFlushOut() is called.

Parameters:

partition - the partition object whose rank is to be updated

clone

java.lang.Object clone()
                throws java.lang.CloneNotSupportedException

Creates and returns a copy of this CachingHandler object.

Returns:

Throws:

java.lang.CloneNotSupportedException