org.jrdf.graph.index.nodepool
Interface NodePool

All Known Subinterfaces:

NodePoolMem

All Known Implementing Classes:

NodePoolMemImpl

public interface NodePool

Maps between the Long identifier and a Node (globalized value) or from a String to a Long (local value).

Version:

$Revision: 1045 $

Author:

Andrew Newman

Method Summary

Node	getNodeById(Long id) Package method to find a node in the node pool by its id.
Long	getNodeIdByString(String str) Package method to find a node id based on its string representation.
Long[]	localize(Node first, Node second, Node third) Converts a globalized set of triple objects to an array of longs.

Method Detail

getNodeById

Node getNodeById(Long id)

Package method to find a node in the node pool by its id.

Parameters:

id - The id of the node to search for.

Returns:

The node referred to by the id, null if not found.

getNodeIdByString

Long getNodeIdByString(String str)

Package method to find a node id based on its string representation.

Parameters:

str - The string representation of a node.

Returns:

The id of the node with the given string.

localize

Long[] localize(Node first,
                Node second,
                Node third)
                throws GraphException

Converts a globalized set of triple objects to an array of longs.

Parameters:

first - The first node.

second - The second node.

third - The last node.

Throws:

GraphException - If there was an error adding the statement.