Examples of com.hp.hpl.jena.sparql.engine.optimizer.StatsMatcher

Package com.hp.hpl.jena.sparql.engine.optimizer

Examples of com.hp.hpl.jena.sparql.engine.optimizer.StatsMatcher

com.hp.hpl.jena.sparql.engine.optimizer.StatsMatcher
Stats format:
```
(stats (meta ...) ((S P O) weight) ( weight) )
```
where S, P, O is a URI, variable, literal or one of the words ANY (matches anything), VAR (matches a variable), TERM (matches a fixed URI, or literal), URI, BNODE, LITERAL (matches one of these types).

        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) ;
    }

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        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) ;
    }

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    // 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) ;
    }

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    }
    
    @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) ;
    }

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    }


    // 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) ;
    }

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        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) ;
    }

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