org.openrdf.sesame.query.rql.model
Class DataVar

java.lang.Object
  org.openrdf.sesame.query.rql.model.Var
      org.openrdf.sesame.query.rql.model.DataVar

All Implemented Interfaces:

DataQuery, Query, ResourceQuery

public class DataVar

extends Var

implements DataQuery

A DataVar is a variable that holds information on the actual metadata (as opposed to the schema information).

Constructor Summary

DataVar(String name)

Method Summary

void	evaluate(RdfSchemaSource rss, TableQueryResultListener listener)
ValueIterator	getInstances(RdfSchemaSource rss)
ValueIterator	getResources(RdfSchemaSource rss)

Methods inherited from class org.openrdf.sesame.query.rql.model.Var

getLeader, getName, getQuery, getValue, hasLeader, hasValue, returnsSet, setLeader, setValue, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.openrdf.sesame.query.rql.model.ResourceQuery

returnsSet

Methods inherited from interface org.openrdf.sesame.query.rql.model.Query

getQuery

Constructor Detail

DataVar

public DataVar(String name)

Method Detail

evaluate

public void evaluate(RdfSchemaSource rss,
                     TableQueryResultListener listener)
              throws QueryEvaluationException

Specified by:

evaluate in interface ResourceQuery

Throws:

QueryEvaluationException

getResources

public ValueIterator getResources(RdfSchemaSource rss)

Specified by:

getResources in interface ResourceQuery

getInstances

public ValueIterator getInstances(RdfSchemaSource rss)

Specified by:

getInstances in interface DataQuery