ContextListener

public interface ContextListener

The context graph mutation listener interface.

Method Summary

Modifier and Type

Method

Description

void

graphAdded(TreeNode parent, TreeNode added)

Called when a new subgraph is attached.

void

graphRemoved(TreeNode parent, TreeNode removed)

Called when a subgraph is detached.

Method Details
- graphAdded
  
  void graphAdded(TreeNode parent, TreeNode added)
  
  Called when a new subgraph is attached.
  The parent node is the currently attached node to which the incoming graph has been attached. The added node is the newly attached sub-graph. The graph accessible beneath added may include sub-graphs that are already attached to this tree.
  
  Parameters:
  
  parent - parent of the new sub-graph
  
  added - newly added sub-graph
- graphRemoved
  
  void graphRemoved(TreeNode parent, TreeNode removed)
  
  Called when a subgraph is detached.
  The parent node the still attached node from which the outgoing graph has been detached. The removed node is the just detached sub-graph. The graph accessible beneath removed may include sub-graphs that are still attached to this tree.
  
  Parameters:
  
  parent - previous parent of the removed sub-graph
  
  removed - the removed sub-graph