org.cdlib.xtf.textEngine
Class XtfQueryTraverser

Object
  QueryTraverser
      XtfQueryTraverser

public abstract class XtfQueryTraverser
extends QueryTraverser

Utility class for performing external rewriting, or transformation, tasks on Lucene queries. The base class simply provides a framework. Derived classes should override methods for those parts of a query they need to rewrite, and the base will take care of gluing them together properly.

Constructor Summary

XtfQueryTraverser()

Method Summary

protected void	traverse(MoreLikeThisQuery mlt) Traverse a "more like this" query
protected void	traverse(NumericRangeQuery nrq) Traverse a numeric range query query
protected void	traverse(SpanExactQuery eq) Traverse an "exact" query.
protected void	traverse(SpanSectionTypeQuery stq) Traverse a section type query.
void	traverseQuery(Query q) Traverse a query of any supported type.

Methods inherited from class QueryTraverser

traverse, traverse, traverse, traverse, traverse, traverse, traverse, traverse, traverse, traverse, traverse, traverse

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

XtfQueryTraverser

public XtfQueryTraverser()

Method Detail

traverseQuery

public void traverseQuery(Query q)

Traverse a query of any supported type.

Overrides:

traverseQuery in class QueryTraverser

Parameters:

q - Query to traverse

traverse

protected void traverse(SpanSectionTypeQuery stq)

Traverse a section type query.

traverse

protected void traverse(SpanExactQuery eq)

Traverse an "exact" query.

traverse

protected void traverse(MoreLikeThisQuery mlt)

Traverse a "more like this" query

traverse

protected void traverse(NumericRangeQuery nrq)

Traverse a numeric range query query