org.topbraid.spin.util

Class NestedQueries

java.lang.Object

org.topbraid.spin.util.NestedQueries

public class NestedQueries
extends Object

Utility to checks whether a given Query contains "nested" elements such as UNIONs or sub-SELECTs.

Author:

Holger Knublauch

Constructor Summary

Constructors

Constructor and Description
NestedQueries()

Method Summary

Modifier and Type	Method and Description
static boolean	hasNestedBlocksUsingThis(org.apache.jena.sparql.syntax.Element queryPattern) Checks if a given query uses any non-trivial blocks such as UNIONs, nested { ...
static boolean	hasNestedBlocksUsingThis(org.apache.jena.update.Update update)

Methods inherited from class java.lang.Object

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

Constructor Detail

NestedQueries

public NestedQueries()

Method Detail

hasNestedBlocksUsingThis

public static boolean hasNestedBlocksUsingThis(org.apache.jena.sparql.syntax.Element queryPattern)

Checks if a given query uses any non-trivial blocks such as UNIONs, nested { ... } or GRAPH blocks. Future versions may limit this check to cases where the variable ?this is used anywhere.

Parameters:

queryPattern - the WHERE clause of the Query to check

Returns:

true if nested blocks exist

hasNestedBlocksUsingThis

public static boolean hasNestedBlocksUsingThis(org.apache.jena.update.Update update)