org.apache.lucene.queryparser.flexible.core.nodes

Class NoTokenFoundQueryNode

java.lang.Object

org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl

org.apache.lucene.queryparser.flexible.core.nodes.DeletedQueryNode

org.apache.lucene.queryparser.flexible.core.nodes.NoTokenFoundQueryNode

All Implemented Interfaces:

Cloneable, QueryNode

public class NoTokenFoundQueryNode
extends DeletedQueryNode

A NoTokenFoundQueryNode is used if a term is convert into no tokens by the tokenizer/lemmatizer/analyzer (null).

Field Summary

Fields inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl

PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields

Constructor Summary

Constructors

Constructor and Description
NoTokenFoundQueryNode()

Method Summary

Modifier and Type	Method and 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 escaper) convert to a query string understood by the query parser
String	toString() Every implementation of this class should return pseudo xml like this: For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>

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

NoTokenFoundQueryNode

public NoTokenFoundQueryNode()

Method Detail

toQueryString

public CharSequence toQueryString(EscapeQuerySyntax escaper)

Description copied from interface: QueryNode

convert to a query string understood by the query parser

Specified by:

toQueryString in interface QueryNode

Overrides:

toQueryString in class DeletedQueryNode

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 DeletedQueryNode

See Also:

QueryNode.toString()

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 DeletedQueryNode

Returns:

the cloned tree

Throws:

CloneNotSupportedException