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

java.lang.Object
  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