Examples of 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).

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

        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) ;
    }

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

        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) ;
    }

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

        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) ;
    }

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

        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) ;
    }

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

        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) ;
    }

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

    }


    // 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) ;
    }

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

        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) ;
    }

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

    }


    // 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) ;
        
    }

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

        
    }
    
    @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) ;
    }

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

        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) ;
    }

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