Package se.liu.ida.hefquin.base.queryplan.utils

Class ExpectedVariablesUtilsCopy

java.lang.Object

se.liu.ida.hefquin.base.queryplan.utils.ExpectedVariablesUtilsCopy

public class ExpectedVariablesUtilsCopy
extends Object

This is a stripped-down copy of ExpectedVariablesUtils, which had been moved to the 'hefquin-engine' module. TODO: This copy should be removed eventually.

Constructor Summary

Constructors

Constructor	Description
ExpectedVariablesUtilsCopy()

Method Summary

Modifier and Type	Method	Description
static Set<org.apache.jena.sparql.core.Var>	intersectionOfAllVariables(ExpectedVariables... e)	Returns an intersection of the sets of all variables (certain and possible) in all the given ExpectedVariables objects.
static Set<org.apache.jena.sparql.core.Var>	intersectionOfCertainVariables(ExpectedVariables... e)	Returns an intersection of the sets of certain variables in all the given ExpectedVariables objects.
static Set<org.apache.jena.sparql.core.Var>	intersectionOfPossibleVariables(ExpectedVariables... e)	Returns an intersection of the sets of possible variables in all the given ExpectedVariables objects.
static Set<org.apache.jena.sparql.core.Var>	unionOfAllVariables(ExpectedVariables... e)	Returns a set of all the variables (certain and possible) in all the given ExpectedVariables objects.
static Set<org.apache.jena.sparql.core.Var>	unionOfCertainVariables(ExpectedVariables... e)	Returns a set of all the certain variables in all the given ExpectedVariables objects.
static Set<org.apache.jena.sparql.core.Var>	unionOfPossibleVariables(ExpectedVariables... e)	Returns a set of all the possible variables in all the given ExpectedVariables objects.

Methods inherited from class java.lang.Object

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

Constructor Details

ExpectedVariablesUtilsCopy

public ExpectedVariablesUtilsCopy()

Method Details

unionOfCertainVariables

public static Set<org.apache.jena.sparql.core.Var> unionOfCertainVariables(ExpectedVariables... e)

Returns a set of all the certain variables in all the given ExpectedVariables objects. Returns null if no such object is given.

unionOfPossibleVariables

public static Set<org.apache.jena.sparql.core.Var> unionOfPossibleVariables(ExpectedVariables... e)

Returns a set of all the possible variables in all the given ExpectedVariables objects. Returns null if no such object is given.

unionOfAllVariables

public static Set<org.apache.jena.sparql.core.Var> unionOfAllVariables(ExpectedVariables... e)

Returns a set of all the variables (certain and possible) in all the given ExpectedVariables objects. Returns null if no such object is given.

intersectionOfCertainVariables

public static Set<org.apache.jena.sparql.core.Var> intersectionOfCertainVariables(ExpectedVariables... e)

Returns an intersection of the sets of certain variables in all the given ExpectedVariables objects. Returns null if no such object is given.

intersectionOfPossibleVariables

public static Set<org.apache.jena.sparql.core.Var> intersectionOfPossibleVariables(ExpectedVariables... e)

Returns an intersection of the sets of possible variables in all the given ExpectedVariables objects. Returns null if no such object is given.

intersectionOfAllVariables

public static Set<org.apache.jena.sparql.core.Var> intersectionOfAllVariables(ExpectedVariables... e)

Returns an intersection of the sets of all variables (certain and possible) in all the given ExpectedVariables objects. Returns null if no such object is given.