BooleanQueryNode (Lucene 9.0.0 queryparser API)

java.lang.Object
- org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
- - org.apache.lucene.queryparser.flexible.core.nodes.BooleanQueryNode

All Implemented Interfaces:

Cloneable, QueryNode

Direct Known Subclasses:

AndQueryNode, OrQueryNode, ProximityQueryNode, SynonymQueryNode
```
public class BooleanQueryNode
extends QueryNodeImpl
```
A BooleanQueryNode represents a list of elements which do not have an explicit boolean operator defined between them. It can be used to express a boolean query that intends to use the default boolean operator.

Field Summary
- Fields inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
  PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields

Constructor Summary

Constructors
Constructor Description

BooleanQueryNode(List<QueryNode> clauses)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`QueryNode`	`cloneTree()`	Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method
`CharSequence`	`toQueryString(EscapeQuerySyntax escapeSyntaxParser)`	convert to a query string understood by the query parser
`String`	`toString()`	Every implementation of this class should return pseudo xml like this:

Methods inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
add, add, allocate, clone, containsTag, getChildren, getParent, getTag, getTagMap, isDefaultField, isLeaf, isRoot, removeChildren, removeFromParent, set, setLeaf, setTag, unsetTag

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

- Constructor Detail
  - BooleanQueryNode
```
public BooleanQueryNode(List<QueryNode> clauses)
```
    Parameters:
    
    clauses - - the query nodes to be and'ed
- Method Detail
  - toString
```
public String toString()
```
    Description copied from class: QueryNodeImpl
    
    Every implementation of this class should return pseudo xml like this:
    For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>
    
    Specified by:
    
    toString in interface QueryNode
    
    Overrides:
    
    toString in class QueryNodeImpl
    
    See Also:
    
    QueryNode.toString()
  - toQueryString
```
public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser)
```
    Description copied from interface: QueryNode
    
    convert to a query string understood by the query parser
  - cloneTree
```
public QueryNode cloneTree()
                    throws CloneNotSupportedException
```
    Description copied from interface: QueryNode
    
    Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method
    
    Specified by:
    
    cloneTree in interface QueryNode
    
    Overrides:
    
    cloneTree in class QueryNodeImpl
    
    Returns:
    
    the cloned tree
    
    Throws:
    
    CloneNotSupportedException