Package org.alfresco.repo.node.db

Class NodeHierarchyWalker

java.lang.Object

org.alfresco.repo.node.db.NodeHierarchyWalker

public class NodeHierarchyWalker
extends java.lang.Object

Class that walks down a hierarchy gathering view details for later processing.

This class is not threadsafe and should be used sequentially on a single thread and then discarded.

Since:

4.1.1

Author:

Derek Hulley

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	NodeHierarchyWalker.VisitedNode	Carries data about a node in the hierarchy

Constructor Summary

Constructors

Constructor	Description
NodeHierarchyWalker(NodeDAO nodeDAO)

Method Summary

Modifier and Type	Method	Description
NodeHierarchyWalker.VisitedNode	getNode(java.lang.Long id)
NodeHierarchyWalker.VisitedNode	getNode(org.alfresco.service.cmr.repository.NodeRef nodeRef)
java.util.List<NodeHierarchyWalker.VisitedNode>	getNodes(boolean leafFirst)	Return the IDs of the nodes visited in desired order
void	walkHierarchy(org.alfresco.util.Pair<java.lang.Long,org.alfresco.service.cmr.repository.NodeRef> nodePair, org.alfresco.util.Pair<java.lang.Long,org.alfresco.service.cmr.repository.ChildAssociationRef> parentAssocPair)	Walk a hierachy

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeHierarchyWalker

public NodeHierarchyWalker(NodeDAO nodeDAO)

Parameters:

nodeDAO - the low-leve query service

Method Detail

getNode

public NodeHierarchyWalker.VisitedNode getNode(java.lang.Long id)

Returns:

the node data for the node ID or null if not visited

getNode

public NodeHierarchyWalker.VisitedNode getNode(org.alfresco.service.cmr.repository.NodeRef nodeRef)

Returns:

the node data for the node reference or null if not visited

getNodes

public java.util.List<NodeHierarchyWalker.VisitedNode> getNodes(boolean leafFirst)

Return the IDs of the nodes visited in desired order

Parameters:

leafFirst - true to list the leaf nodes first

Returns:

the IDs of the nodes visited

walkHierarchy

public void walkHierarchy(org.alfresco.util.Pair<java.lang.Long,org.alfresco.service.cmr.repository.NodeRef> nodePair,
                          org.alfresco.util.Pair<java.lang.Long,org.alfresco.service.cmr.repository.ChildAssociationRef> parentAssocPair)

Walk a hierachy