org.jrdf.sparql.analysis
Class NoQuery

java.lang.Object
  org.jrdf.sparql.analysis.NoQuery

All Implemented Interfaces:

Serializable, Query

public final class NoQuery
extends Object
implements Query, Serializable

See Also:

Serialized Form

Field Summary

static Query

NO_QUERY A query that always returns an empty answer.

Method Summary

Answer	executeQuery(Graph graph, QueryEngine queryEngine)
Expression	getNext()

Methods inherited from class java.lang.Object

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

Field Detail

NO_QUERY

public static final Query NO_QUERY

A query that always returns an empty answer.

Method Detail

getNext

public Expression getNext()

Specified by:

getNext in interface Query

executeQuery

public Answer executeQuery(Graph graph,
                           QueryEngine queryEngine)

Specified by:

executeQuery in interface Query