com.bigdata.rdf.sparql.ast

Class JoinSetUtil.VertexJoinSet

java.lang.Object

com.bigdata.rdf.sparql.ast.JoinSetUtil.VertexJoinSet

Enclosing class:

JoinSetUtil

public static class JoinSetUtil.VertexJoinSet
extends Object

A collection of vertices and the join variables they bind.

Field Summary

Fields

Modifier and Type	Field and Description
Set<IVariable<?>>	joinvars The set of variables bound by at least one join in the join set.
Set<Integer>	vertices The set of verticies in this join set.

Constructor Summary

Constructors

Constructor and Description
JoinSetUtil.VertexJoinSet()
JoinSetUtil.VertexJoinSet(Set<Integer> vertices, Set<IVariable<?>> joinvars)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

vertices

public final Set<Integer> vertices

The set of verticies in this join set. The indices are the order in which the vertices were encountered in the group.

joinvars

public final Set<IVariable<?>> joinvars

The set of variables bound by at least one join in the join set.

Constructor Detail

JoinSetUtil.VertexJoinSet

public JoinSetUtil.VertexJoinSet()

JoinSetUtil.VertexJoinSet

public JoinSetUtil.VertexJoinSet(Set<Integer> vertices,
                         Set<IVariable<?>> joinvars)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object