FieldableNode (Lucene 9.6.0 queryparser API)

All Superinterfaces:

QueryNode

All Known Subinterfaces:

FieldValuePairQueryNode<T>, RangeQueryNode<T>

All Known Implementing Classes:

AbstractRangeQueryNode, FieldQueryNode, FuzzyQueryNode, IntervalQueryNode, MultiPhraseQueryNode, PhraseSlopQueryNode, PointQueryNode, PointRangeQueryNode, PrefixWildcardQueryNode, QuotedFieldQueryNode, RegexpQueryNode, SlopQueryNode, TermRangeQueryNode, TokenizedPhraseQueryNode, WildcardQueryNode
```
public interface FieldableNode
extends QueryNode
```
A query node implements FieldableNode interface to indicate that its children and itself are associated to a specific field.
If it has any children which also implements this interface, it must ensure the children are associated to the same field.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CharSequence`	`getField()`	Returns the field associated to the node and every node under it.
`void`	`setField(CharSequence fieldName)`	Associates the node to a field.

Methods inherited from interface org.apache.lucene.queryparser.flexible.core.nodes.QueryNode
add, add, cloneTree, containsTag, getChildren, getParent, getTag, getTagMap, isLeaf, removeChildren, removeFromParent, set, setTag, toQueryString, toString, unsetTag

- Method Detail
  - getField
```
CharSequence getField()
```
    Returns the field associated to the node and every node under it.
    
    Returns:
    
    the field name
  - setField
```
void setField(CharSequence fieldName)
```
    Associates the node to a field.
    
    Parameters:
    
    fieldName - the field name