/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.sparql.solver;
import static org.apache.jena.sparql.solver.TestSolverLib.bgp ;
import static org.apache.jena.sparql.solver.TestSolverLib.matcher ;
import static org.apache.jena.sparql.solver.TestSolverLib.triple ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.graph.Triple ;
import org.apache.jena.sparql.core.BasicPattern ;
import org.apache.jena.sparql.engine.optimizer.StatsMatcher ;
import org.apache.jena.sparql.engine.optimizer.reorder.* ;
import org.junit.Test ;
public class TestReorder extends BaseTest
{
@Test public void match_01()
{
StatsMatcher matcher = matcher("((:x :p ANY) 5)") ;
Triple t = triple("(:x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(5.0, d, 0) ;
}
@Test public void match_02()
{
StatsMatcher matcher = matcher("((:x :p ANY) 5)") ;
Triple t = triple("(:x :q ?v)") ; // No match
double d = matcher.match(t) ;
assertEquals(-1, d, 0) ;
}
@Test public void match_03()
{
StatsMatcher matcher = matcher("((:x :p VAR) 5)") ;
Triple t = triple("(:x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(5, d, 0) ;
}
@Test public void match_04()
{
StatsMatcher matcher = matcher("((TERM :p VAR) 5)") ;
Triple t = triple("(:x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(5, d, 0) ;
}
@Test public void match_05()
{
StatsMatcher matcher = matcher("((URI :p VAR) 5)") ;
Triple t = triple("(:x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(5, d, 0) ;
}
@Test public void match_06()
{
StatsMatcher matcher = matcher("((LITERAL :p VAR) 5)") ;
Triple t = triple("(:x :p ?v)") ; // No match
double d = matcher.match(t) ;
assertEquals(-1, d, 0) ;
}
@Test public void match_07()
{
StatsMatcher matcher = matcher("((BNODE :p VAR) 5)") ;
Triple t = triple("(_:a :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(5, d, 0) ;
}
@Test public void match_08()
{
StatsMatcher matcher = matcher("((VAR :p LITERAL) 5)") ;
Triple t = triple("(?x :p ?v)") ; // No match
double d = matcher.match(t) ;
assertEquals(-1, d, 0) ;
}
@Test public void match_09()
{
StatsMatcher matcher = matcher("((VAR :p LITERAL) 5)") ;
Triple t = triple("(?x :p 1913)") ;
double d = matcher.match(t) ;
assertEquals(5, d, 0) ;
}
// Test first match wins.
@Test public void match_10()
{
StatsMatcher matcher = matcher("((VAR :p LITERAL) 5) ((VAR :p ANY) 10)") ;
Triple t = triple("(?x :p 1913)") ;
double d = matcher.match(t) ;
assertEquals(5, d, 0) ;
}
@Test public void match_11()
{
StatsMatcher matcher = matcher("((VAR :p ANY) 10) ((VAR :p LITERAL) 5)") ;
Triple t = triple("(?x :p 1913)") ;
double d = matcher.match(t) ;
assertEquals(10, d, 0) ;
}
// Abbreviated forms.
@Test public void match_20()
{
StatsMatcher matcher = matcher("(:p 10) ") ;
Triple t = triple("(?x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(10, d, 0) ;
}
@Test public void match_21()
{
StatsMatcher matcher = matcher("(:p 10) ") ;
Triple t = triple("(?x :p 1913)") ;
double d = matcher.match(t) ;
assertEquals(StatsMatcher.weightPO_small, d, 0) ;
}
@Test public void match_22()
{
StatsMatcher matcher = matcher("(:p 11)") ;
Triple t = triple("(:x :p 1913)") ;
double d = matcher.match(t) ;
assertEquals(1, d, 0) ;
}
@Test public void match_23()
{
StatsMatcher matcher = matcher("(:p 11)") ;
Triple t = triple("(:x ?p 1913)") ; // No match.
double d = matcher.match(t) ;
assertEquals(-1, d, 0) ;
}
@Test public void match_24()
{
StatsMatcher matcher = matcher("(:p 11) (TERM 12)") ;
Triple t = triple("(?x :q ?v)") ;
double d = matcher.match(t) ;
assertEquals(12, d, 0) ;
}
// Bounds abbreviation rules.
@Test
public void match_25()
{
StatsMatcher matcher = matcher("(:p 3) (other 1)") ;
Triple t = triple("(?x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(3, d, 0) ;
}
@Test
public void match_26()
{
StatsMatcher matcher = matcher("(:pp 3) (other 1)") ;
Triple t = triple("(:x :p ?v)") ;
double d = matcher.match(t) ;
assertEquals(1, d, 0) ;
}
// Bounds abbreviation rules.
@Test public void match_27()
{
StatsMatcher matcher = matcher("(:p 200) (TERM 2)") ;
Triple t = triple("(?x :q :v)") ;
double d = matcher.match(t) ;
assertEquals(2, d, 0) ;
}
@Test public void reorderIndexes1()
{
ReorderProc proc = new ReorderProcIndexes(new int[]{0,1}) ;
BasicPattern bgp = bgp("(bgp (:x :p ?v) (:x :q ?w))") ;
BasicPattern bgp2 = proc.reorder(bgp) ;
assertEquals(bgp, bgp2) ;
}
@Test public void reorderIndexes2()
{
ReorderProc proc = new ReorderProcIndexes(new int[]{1,0}) ;
BasicPattern bgp1 = bgp("(bgp (:x :p ?v) (:x :q ?w))") ;
BasicPattern bgp2 = bgp("(bgp (:x :q ?w) (:x :p ?v))") ;
BasicPattern bgp3 = proc.reorder(bgp1) ;
assertEquals(bgp2, bgp3) ;
}
@Test public void stats_01()
{
StatsMatcher m = matcher("((:x :p ANY) 5)") ;
ReorderTransformation transform = new ReorderWeighted(m) ;
BasicPattern bgp = bgp("(bgp)") ;
BasicPattern bgp2 = transform.reorder(bgp) ;
assertEquals(bgp2, bgp) ;
}
@Test public void stats_dft_01()
{
ReorderTransformation transform = ReorderLib.fixed() ;
BasicPattern bgp = bgp("(bgp)") ;
BasicPattern bgp2 = transform.reorder(bgp) ;
assertEquals(bgp2, bgp) ;
}
}