Module org.apache.jena.arq

Package org.apache.jena.sparql.pfunction.library

Class ListBase

java.lang.Object

org.apache.jena.sparql.pfunction.PropertyFunctionBase

org.apache.jena.sparql.pfunction.PropertyFunctionEval

org.apache.jena.sparql.pfunction.library.ListBase

All Implemented Interfaces:

PropertyFunction

Direct Known Subclasses:

ListBase1, ListBaseList

public abstract class ListBase
extends PropertyFunctionEval

Base class for list related operations

Constructor Summary

Constructors

Constructor	Description
ListBase(PropFuncArgType objFuncArgType)

Method Summary

Modifier and Type	Method	Description
final QueryIterator	execEvaluated(Binding binding, PropFuncArg argSubject, Node predicate, PropFuncArg argObject, ExecutionContext execCxt)	If the subject is a list (well, at least not an unbound variable), dispatch to execOneList else dispatch to one of object a var, a list or a node.

Methods inherited from class org.apache.jena.sparql.pfunction.PropertyFunctionEval

exec

Methods inherited from class org.apache.jena.sparql.pfunction.PropertyFunctionBase

build, exec

Methods inherited from class java.lang.Object

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

Constructor Details

ListBase

public ListBase(PropFuncArgType objFuncArgType)

Method Details

execEvaluated

public final QueryIterator execEvaluated(Binding binding,
 PropFuncArg argSubject,
 Node predicate,
 PropFuncArg argObject,
 ExecutionContext execCxt)

If the subject is a list (well, at least not an unbound variable), dispatch to execOneList else dispatch to one of object a var, a list or a node.

Specified by:

execEvaluated in class PropertyFunctionEval

Parameters:

binding - Current solution from previous query stage

argSubject - PropFuncArg, after substitution of any bound variables in this binding

predicate - This predicate

argObject - PropFuncArg, after substitution of any bound variables in this binding

execCxt - Execution context

Returns:

QueryIterator