org.jrdf.graph.index.nodepool.mem
Class NodePoolMemImpl

java.lang.Object
  org.jrdf.graph.index.nodepool.mem.NodePoolMemImpl

All Implemented Interfaces:

NodePoolMem, NodePool

public final class NodePoolMemImpl
extends Object
implements NodePoolMem

Stuff goes in here.

Version:

$Id: NodePoolMemImpl.java 1045 2007-01-05 04:56:09Z newmana $

Author:

Andrew Newman

Constructor Summary

NodePoolMemImpl()

NodePoolMemImpl(Map<Long,Node> newNodePool, Map<String,Long> newStringPool)

Method Summary

Long	getNextNodeId() Returns the current next node Id increments it by one.
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.
Collection<Node>	getNodePoolValues() Returns all the nodes in the node pool.
Long[]	localize(Node first, Node second, Node third) Converts a globalized set of triple objects to an array of longs.
void	registerNode(MemNode node) Adds a node that was not created by this pool but still uses the MemNode interface.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodePoolMemImpl

public NodePoolMemImpl()

NodePoolMemImpl

public NodePoolMemImpl(Map<Long,Node> newNodePool,
                       Map<String,Long> newStringPool)

Method Detail

getNodeById

public Node getNodeById(Long id)

Description copied from interface: NodePool

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

Specified by:

getNodeById in interface NodePool

Parameters:

id - The id of the node to search for.

Returns:

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

getNodeIdByString

public Long getNodeIdByString(String str)

Description copied from interface: NodePool

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

Specified by:

getNodeIdByString in interface NodePool

Parameters:

str - The string representation of a node.

Returns:

The id of the node with the given string.

registerNode

public void registerNode(MemNode node)

Description copied from interface: NodePoolMem

Adds a node that was not created by this pool but still uses the MemNode interface.

Specified by:

registerNode in interface NodePoolMem

Parameters:

node - The node to add.

getNodePoolValues

public Collection<Node> getNodePoolValues()

Description copied from interface: NodePoolMem

Returns all the nodes in the node pool.

Specified by:

getNodePoolValues in interface NodePoolMem

Returns:

The node pool.

getNextNodeId

public Long getNextNodeId()

Description copied from interface: NodePoolMem

Returns the current next node Id increments it by one.

Specified by:

getNextNodeId in interface NodePoolMem

Returns:

the current next node Id.

localize

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

Description copied from interface: NodePool

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

Specified by:

localize in interface NodePool

Parameters:

first - The first node.

second - The second node.

third - The last node.

Throws:

GraphException - If there was an error adding the statement.