DisplayHierarchyFunction (Ontopia)

java.lang.Object
- net.ontopia.topicmaps.nav2.impl.basic.AbstractFunction
- - net.ontopia.topicmaps.nav2.webapps.omnigator.DisplayHierarchyFunction

All Implemented Interfaces:

FunctionIF
```
public class DisplayHierarchyFunction
extends AbstractFunction
```
INTERNAL: Used by the Omnigator to create the collapsible tree view of hierarchical association types.

Constructor Summary

Constructors
Constructor Description

DisplayHierarchyFunction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Collection`	`execute(javax.servlet.jsp.PageContext pageContext, javax.servlet.jsp.tagext.TagSupport callingTag)`	INTERNAL: Executes this function in the specified context.

Methods inherited from class net.ontopia.topicmaps.nav2.impl.basic.AbstractFunction
call, getModule, getName, getParameters, getReturnVariableName, getRootNode, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - DisplayHierarchyFunction
```
public DisplayHierarchyFunction()
```
- Method Detail
  - execute
```
public Collection execute(javax.servlet.jsp.PageContext pageContext,
                          javax.servlet.jsp.tagext.TagSupport callingTag)
                   throws IOException,
                          javax.servlet.jsp.JspException
```
    Description copied from interface: FunctionIF
    
    INTERNAL: Executes this function in the specified context.
    
    Specified by:
    
    execute in interface FunctionIF
    
    Overrides:
    
    execute in class AbstractFunction
    
    Returns:
    
    Collection The function return value collection. If null is returned, no value will be given to the parent value accepting tag.
    
    Throws:
    
    IOException
    
    javax.servlet.jsp.JspException