Package org.apache.mahout.pig.encoders

Examples of org.apache.mahout.pig.encoders.EncodeVector.exec()

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        t.set(0, 3.1);
        t.set(1, "foo bar");
        t.set(2, "");
        t.set(3, null);

        Vector v1 = PigVector.fromBytes(ev.exec(t));
        assertEquals(3.1, v1.get(10), 0);
        assertEquals(1.0, v1.get(39), 0);

        t.set(2, "fob");
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        assertEquals(3.1, v1.get(10), 0);
        assertEquals(1.0, v1.get(39), 0);

        t.set(2, "fob");

        Vector pv = PigVector.fromBytes(ev.exec(t));
        Vector v2 = pv.assign(v1, Functions.MINUS);
        assertEquals(1, v2.get(40), 0);
        assertEquals(1, v2.get(55), 0);

        t.set(2, "lots of text for testing");
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        assertEquals(1, v2.get(40), 0);
        assertEquals(1, v2.get(55), 0);

        t.set(2, "lots of text for testing");

        pv = PigVector.fromBytes(ev.exec(t));
        Vector v3 = pv.assign(v1, Functions.MINUS);
        assertEquals(10, v3.zSum(), 0);
        assertEquals(1, v3.maxValue(), 1);

        EncodeVector ev2 = new EncodeVector("100", "x+y", "x:numeric, not:text, y:text");
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        assertEquals(10, v3.zSum(), 0);
        assertEquals(1, v3.maxValue(), 1);

        EncodeVector ev2 = new EncodeVector("100", "x+y", "x:numeric, not:text, y:text");
        t.set(2, "");
        pv = PigVector.fromBytes(ev2.exec(t));
        Vector v4 = pv;
        assertEquals(3.1, v1.get(10), 0);
        assertEquals(3.1, v4.zSum(), 0);
        assertEquals(3.1, v4.maxValue(), 1);
    }
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        EncodeVector ev2 = new EncodeVector("100", "x+y", "x:numeric, not:text, y:text");
        Tuple t = TupleFactory.getInstance().newTuple(2);
        t.set(0, 3.1);
        t.set(1, "foo bar");
        try {
            ev2.exec(t);
            fail("Should have failed because tuple is too small");
        } catch (IllegalArgumentException e) {
            assertTrue(e.getMessage().contains("Tuple doesn't have at least"));
        }
    }
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