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, 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: IElement.java 3452 2010-08-19 21:07:19Z thompsonbry $

Author:

Bryan Thompson

See Also:

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

Method Summary

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.