com.bigdata.bop

Interface IElement

All Known Subinterfaces:

BigdataBNode, BigdataLiteral, BigdataResource, BigdataStatement, BigdataURI, BigdataValue, ISPO

All Known Implementing Classes:

BigdataBNodeImpl, BigdataLiteralImpl, BigdataResourceImpl, BigdataStatementImpl, BigdataURIImpl, BigdataValueImpl, E, SPO

public interface IElement

An interface for exposing the data in an object view of a tuple by index position. This facilitates binding values elements read from an access path onto binding sets during join processing.

Version:

$Id$

Author:

Bryan Thompson

See Also:

IPredicate.get(Object, int), IJoinNexus#bind(IPredicate, IConstraint, Object, IBindingSet)

Method Summary

Methods

Modifier and Type	Method and Description
Object	get(int index) Return the value at the specified index.

Method Detail

get

Object get(int index)

Return the value at the specified index.

Parameters:

index - The index.

Returns:

The value at the specified index.

Throws:

IllegalArgumentException - if the index is less than zero or GTE the #of fields defined for the element.