GroupingNode (container-search 7.542.42 API)

java.lang.Object
- com.yahoo.search.grouping.request.GroupingNode

Direct Known Subclasses:

GroupingExpression, GroupingOperation
```
public abstract class GroupingNode
extends Object
```
This is the abstract super class of both GroupingOperation and GroupingExpression. All nodes can be assigned a String label which in turn can be used to identify the corresponding result objects.

Author:

Simon Thoresen Hult

Constructor Summary

Constructors
Modifier Constructor Description

protected GroupingNode(String image, String label)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected String`	`getImage()`
`String`	`getLabel()`	Returns the label assigned to this grouping expression.
`GroupingNode`	`setLabel(String str)`	Assigns a label to this grouping expression.
`String`	`toString()`

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

- Constructor Detail
  - GroupingNode
```
protected GroupingNode(String image,
                       String label)
```
- Method Detail
  - getLabel
```
public String getLabel()
```
    Returns the label assigned to this grouping expression.
    
    Returns:
    
    The label string.
  - getImage
```
protected String getImage()
```
  - setLabel
```
public GroupingNode setLabel(String str)
```
    Assigns a label to this grouping expression. The label is applied to the results of this expression so that they can be identified by the caller when processing the output.
    
    Parameters:
    
    str - The label to assign to this.
    
    Returns:
    
    This, to allow chaining.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object