Module org.apache.jena.arq

Package org.apache.jena.sparql.core.describe

Class DescribeBNodeClosure

java.lang.Object

org.apache.jena.sparql.core.describe.DescribeBNodeClosure

All Implemented Interfaces:

DescribeHandler

public class DescribeBNodeClosure
extends Object
implements DescribeHandler

DescribeHandler that calculates the bNode closure. Takes all the statements of this resource, and for every object that is a bNode, it recursively includes its statements.

Constructor Summary

Constructors

Constructor	Description
DescribeBNodeClosure()

Method Summary

Modifier and Type	Method	Description
void	describe(Resource r)	Called on everything resource found by a query.
void	finish()	Finish the description process for this query execution
void	start(Model accumulateResultModel, Context cxt)	Start the describe process, passing in the result model.

Methods inherited from class java.lang.Object

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

Constructor Details

DescribeBNodeClosure

public DescribeBNodeClosure()

Method Details

start

public void start(Model accumulateResultModel,
 Context cxt)

Description copied from interface: DescribeHandler

Start the describe process, passing in the result model.

Specified by:

start in interface DescribeHandler

cxt - Query execution context

describe

public void describe(Resource r)

Description copied from interface: DescribeHandler

Called on everything resource found by a query. Can add more RDF to the model provided. May choose to add nothing.

Specified by:

describe in interface DescribeHandler

Parameters:

r - resource to describe

finish

public void finish()

Description copied from interface: DescribeHandler

Finish the description process for this query execution

Specified by:

finish in interface DescribeHandler