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

java.lang.Object
  extended by org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
      extended by org.apache.lucene.queryParser.core.nodes.DeletedQueryNode
All Implemented Interfaces:
Serializable, Cloneable, QueryNode
Direct Known Subclasses:
MatchNoDocsQueryNode, NoTokenFoundQueryNode

public class DeletedQueryNode
extends QueryNodeImpl

A DeletedQueryNode represents a node that was deleted from the query node tree. It can be removed from the tree using the RemoveDeletedQueryNodesProcessor processor.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
 
Constructor Summary
DeletedQueryNode()
           
 
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

DeletedQueryNode

public DeletedQueryNode()
Method Detail

toQueryString

public CharSequence toQueryString(EscapeQuerySyntax escaper)
Description copied from interface: QueryNode
convert to a query string understood by the query parser


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 QueryNodeImpl
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 QueryNodeImpl
Returns:
the cloned tree
Throws:
CloneNotSupportedException


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