Module org.apache.jena.arq

Package org.apache.jena.sparql.engine.index

Class SetIndexTable

java.lang.Object

org.apache.jena.sparql.engine.index.SetIndexTable

All Implemented Interfaces:

IndexTable

public class SetIndexTable
extends Object
implements IndexTable

An IndexTable implementation optimized for the case where there is only a single common variable

Constructor Summary

Constructors

Constructor	Description
SetIndexTable(Set<Var> commonVars, QueryIterator data)	Creates a new index table

Method Summary

Modifier and Type	Method	Description
boolean	containsCompatibleWithSharedDomain(Binding binding)	Is there a binding in the table that has a shared domain (variables in common) and is join-compatible? This is the condition for MINUS to exclude the argument binding.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

SetIndexTable

public SetIndexTable(Set<Var> commonVars,
 QueryIterator data)

Creates a new index table

Parameters:

commonVars - Common Variables

data - Data

Method Details

containsCompatibleWithSharedDomain

public boolean containsCompatibleWithSharedDomain(Binding binding)

Description copied from interface: IndexTable

Is there a binding in the table that has a shared domain (variables in common) and is join-compatible? This is the condition for MINUS to exclude the argument binding.

Specified by:

containsCompatibleWithSharedDomain in interface IndexTable

toString

public String toString()

Overrides:

toString in class Object