org.crosswire.jsword.index.query

Class NullQuery

java.lang.Object

org.crosswire.jsword.index.query.NullQuery

All Implemented Interfaces:

Query

public class NullQuery
extends Object
implements Query

A null query searches for nothing and returns an empty Key.

Author:

DM Smith

See Also:

The GNU Lesser General Public License for details.

Constructor Summary

Constructors

Constructor and Description
NullQuery() Create a NullQuery.

Method Summary

Methods

Modifier and Type	Method and Description
Key	find(Index index) Find the keys that match the query in the index

Methods inherited from class java.lang.Object

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

Constructor Detail

NullQuery

public NullQuery()

Create a NullQuery.

Method Detail

find

public Key find(Index index)
         throws BookException

Description copied from interface: Query

Find the keys that match the query in the index

Specified by:

find in interface Query

Parameters:

index - the index to search

Returns:

the set of keys that match

Throws:

BookException