Package org.topbraid.shacl.multifunctions

Class AbstractMultiFunction1

java.lang.Object

org.topbraid.shacl.multifunctions.AbstractMultiFunction

org.topbraid.shacl.multifunctions.AbstractNativeMultiFunction

org.topbraid.shacl.multifunctions.AbstractMultiFunction1

All Implemented Interfaces:

MultiFunction

Direct Known Subclasses:

TargetContainsMultiFunction

public abstract class AbstractMultiFunction1
extends AbstractNativeMultiFunction

Base class for MultiFunctions that return one result variable. Provides a convenient way that merely needs to return an iterator of Nodes.

Author:

Holger Knublauch

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractMultiFunction1(String uri, List<String> argVarNames, String resultVarName)

Method Summary

Modifier and Type	Method	Description
org.apache.jena.sparql.engine.QueryIterator	doExecute(List<org.apache.jena.graph.Node> args, org.apache.jena.graph.Graph activeGraph, org.apache.jena.sparql.core.DatasetGraph dataset)
protected abstract Iterator<org.apache.jena.graph.Node>	executeIterator(List<org.apache.jena.graph.Node> args, org.apache.jena.graph.Graph activeGraph, org.apache.jena.sparql.core.DatasetGraph dataset)	Produces the actual result values.

Methods inherited from class org.topbraid.shacl.multifunctions.AbstractNativeMultiFunction

execute

Methods inherited from class org.topbraid.shacl.multifunctions.AbstractMultiFunction

getAPIStatus, getDescription, getParameters, getResultVars, getURI, initFrom

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMultiFunction1

protected AbstractMultiFunction1(String uri,
                                 List<String> argVarNames,
                                 String resultVarName)

Method Detail

executeIterator

protected abstract Iterator<org.apache.jena.graph.Node> executeIterator(List<org.apache.jena.graph.Node> args,
                                                                        org.apache.jena.graph.Graph activeGraph,
                                                                        org.apache.jena.sparql.core.DatasetGraph dataset)

Produces the actual result values.

Parameters:

args - the arguments from left to right (individual values may be null if optional)

activeGraph - the currently active query graph

dataset - the dataset

Returns:

the iterator of results

doExecute

public org.apache.jena.sparql.engine.QueryIterator doExecute(List<org.apache.jena.graph.Node> args,
                                                             org.apache.jena.graph.Graph activeGraph,
                                                             org.apache.jena.sparql.core.DatasetGraph dataset)

Specified by:

doExecute in class AbstractNativeMultiFunction