org.apache.lucene.queryParser.standard.builders
Class DummyQueryNodeBuilder

java.lang.Object
  extended by org.apache.lucene.queryParser.standard.builders.DummyQueryNodeBuilder
All Implemented Interfaces:
QueryBuilder, StandardQueryBuilder

public class DummyQueryNodeBuilder
extends Object
implements StandardQueryBuilder

This builder does nothing. Commonly used for QueryNode objects that are built by its parent's builder.


Constructor Summary
DummyQueryNodeBuilder()
          Constructs a DummyQueryNodeBuilder object.
 
Method Summary
 TermQuery build(QueryNode queryNode)
          Always return null.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DummyQueryNodeBuilder

public DummyQueryNodeBuilder()
Constructs a DummyQueryNodeBuilder object.

Method Detail

build

public TermQuery build(QueryNode queryNode)
                throws QueryNodeException
Always return null. return null

Specified by:
build in interface QueryBuilder
Specified by:
build in interface StandardQueryBuilder
Parameters:
queryNode - the query tree root node
Returns:
some object generated from the query tree
Throws:
QueryNodeException


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