org.apache.lucene.queryParser.core.nodes
Class NoTokenFoundQueryNode

java.lang.Object
  extended by org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
      extended by org.apache.lucene.queryParser.core.nodes.DeletedQueryNode
          extended by org.apache.lucene.queryParser.core.nodes.NoTokenFoundQueryNode
All Implemented Interfaces:
Serializable, 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).

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
 
Constructor Summary
NoTokenFoundQueryNode()
           
 
Method Summary
 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:
 
Methods inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
add, add, allocate, clone, containsTag, getChildren, getParent, getTag, getTags, isDefaultField, isLeaf, isRoot, 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:

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


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