Package org.apache.pig.piggybank.storage

Examples of org.apache.pig.piggybank.storage.IndexedStorage$IndexManager

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    @Test
    /**
     * Tests getNext called repeatedly returns items in sorted order.
     */
    public void testGetNext() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);

        TaskAttemptID taskId = HadoopShims.createTaskAttemptID("jt", 1, true, 1, 1);
        conf.set(MRConfiguration.TASK_ID, taskId.toString());

        conf.set(MRConfiguration.INPUT_DIR, Util.encodeEscape(outputDir.getAbsolutePath()));
        storage.initialize(conf);

        Integer key;
        int [][] correctValues = {{2,2},{3,2},{3,3},{4,3},{4,4},{5,5},{5,5},{6,6},{7,7},{8,8},{9,9},{10,10},{11,11},{13,13}};
        for (int [] outer : correctValues) {
            System.out.println("Testing: (" + outer[0] + "," + outer[1] + ")");
            Tuple read = storage.getNext();
            System.out.println("Read: " + read);

            key = Integer.decode(((DataByteArray)read.get(0)).toString());
            assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[0]));
            key = Integer.decode(((DataByteArray)read.get(1)).toString());
            assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[1]));
        }
        Tuple read = storage.getNext();
        assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests seekNear and getNext work correctly.
     */
    public void testSeek() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);

        TaskAttemptID taskId =  HadoopShims.createTaskAttemptID("jt", 2, true, 2, 2);
        conf.set(MRConfiguration.TASK_ID, taskId.toString());

        conf.set(MRConfiguration.INPUT_DIR, Util.encodeEscape(outputDir.getAbsolutePath()));
        storage.initialize(conf);

        TupleFactory tupleFactory = TupleFactory.getInstance();
        Tuple seek = tupleFactory.newTuple(2);
        Integer key;
        Tuple read;

        //Seek to 1,1 (not in index). getNext should return 2
        seek.set(0, new Integer(1));
        seek.set(1, new Integer(1));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));

        //Seek to 3,2.  getNext should return 3,2
        seek.set(0, new Integer(3));
        seek.set(1, new Integer(2));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));

        //getNext should return 3,3
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));

        //Seek to 6,6.  getNext should return 6,6
        seek.set(0, new Integer(6));
        seek.set(1, new Integer(6));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(6));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(6));

        //getNext should return 7,7
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(7));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(7));

        //Seek to 9,9.  getNext should return 9,9
        seek.set(0, new Integer(9));
        seek.set(1, new Integer(9));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(9));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(9));

        //getNext should return 10,10
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(10));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(10));


        //Seek to 13,12 (Not in index).  getNext should return 13,13
        seek.set(0, new Integer(13));
        seek.set(1, new Integer(12));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(13));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(13));

        //Seek to 20 (Not in index). getNext should return null
        seek.set(0, new Integer(20));
        seek.set(1, new Integer(20));
        storage.seekNear(seek);
        read = storage.getNext();
        assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests getNext called repeatedly returns items in sorted order.
     */
    public void testGetNext() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);

        TaskAttemptID taskId = HadoopShims.createTaskAttemptID("jt", 1, true, 1, 1);
        conf.set("mapred.task.id", taskId.toString());

        conf.set("mapred.input.dir", Util.encodeEscape(outputDir.getAbsolutePath()));
        storage.initialize(conf);

        Integer key;
        int [][] correctValues = {{2,2},{3,2},{3,3},{4,3},{4,4},{5,5},{5,5},{6,6},{7,7},{8,8},{9,9},{10,10},{11,11},{13,13}};
        for (int [] outer : correctValues) {
            System.out.println("Testing: (" + outer[0] + "," + outer[1] + ")");
            Tuple read = storage.getNext();
            System.out.println("Read: " + read);

            key = Integer.decode(((DataByteArray)read.get(0)).toString());
            assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[0]));
            key = Integer.decode(((DataByteArray)read.get(1)).toString());
            assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[1]));
        }
        Tuple read = storage.getNext();
        assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests seekNear and getNext work correctly.
     */
    public void testSeek() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);

        TaskAttemptID taskId =  HadoopShims.createTaskAttemptID("jt", 2, true, 2, 2);
        conf.set("mapred.task.id", taskId.toString());

        conf.set("mapred.input.dir", Util.encodeEscape(outputDir.getAbsolutePath()));
        storage.initialize(conf);

        TupleFactory tupleFactory = TupleFactory.getInstance();
        Tuple seek = tupleFactory.newTuple(2);
        Integer key;
        Tuple read;

        //Seek to 1,1 (not in index). getNext should return 2
        seek.set(0, new Integer(1));
        seek.set(1, new Integer(1));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));

        //Seek to 3,2.  getNext should return 3,2
        seek.set(0, new Integer(3));
        seek.set(1, new Integer(2));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));

        //getNext should return 3,3
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));

        //Seek to 6,6.  getNext should return 6,6
        seek.set(0, new Integer(6));
        seek.set(1, new Integer(6));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(6));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(6));

        //getNext should return 7,7
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(7));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(7));

        //Seek to 9,9.  getNext should return 9,9
        seek.set(0, new Integer(9));
        seek.set(1, new Integer(9));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(9));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(9));

        //getNext should return 10,10
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(10));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(10));


        //Seek to 13,12 (Not in index).  getNext should return 13,13
        seek.set(0, new Integer(13));
        seek.set(1, new Integer(12));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(13));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(13));

        //Seek to 20 (Not in index). getNext should return null
        seek.set(0, new Integer(20));
        seek.set(1, new Integer(20));
        storage.seekNear(seek);
        read = storage.getNext();
        assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests getNext called repeatedly returns items in sorted order.
     */
    public void testGetNext() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);

        TaskAttemptID taskId = HadoopShims.createTaskAttemptID("jt", 1, true, 1, 1);
        conf.set("mapred.task.id", taskId.toString());

        conf.set("mapred.input.dir", outputDir.getAbsolutePath());
        storage.initialize(conf);

        Integer key;
        int [][] correctValues = {{2,2},{3,2},{3,3},{4,3},{4,4},{5,5},{5,5},{6,6},{7,7},{8,8},{9,9},{10,10},{11,11},{13,13}};
        for (int [] outer : correctValues) {
            System.out.println("Testing: (" + outer[0] + "," + outer[1] + ")");
            Tuple read = storage.getNext();
            System.out.println("Read: " + read);

            key = Integer.decode(((DataByteArray)read.get(0)).toString());
            assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[0]));
            key = Integer.decode(((DataByteArray)read.get(1)).toString());
            assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[1]));
        }
        Tuple read = storage.getNext();
        assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests seekNear and getNext work correctly.
     */
    public void testSeek() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);

        TaskAttemptID taskId =  HadoopShims.createTaskAttemptID("jt", 2, true, 2, 2);
        conf.set("mapred.task.id", taskId.toString());

        conf.set("mapred.input.dir", outputDir.getAbsolutePath());
        storage.initialize(conf);

        TupleFactory tupleFactory = TupleFactory.getInstance();
        Tuple seek = tupleFactory.newTuple(2);
        Integer key;
        Tuple read;

        //Seek to 1,1 (not in index). getNext should return 2
        seek.set(0, new Integer(1));
        seek.set(1, new Integer(1));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));

        //Seek to 3,2.  getNext should return 3,2
        seek.set(0, new Integer(3));
        seek.set(1, new Integer(2));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(2));

        //getNext should return 3,3
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(3));

        //Seek to 6,6.  getNext should return 6,6
        seek.set(0, new Integer(6));
        seek.set(1, new Integer(6));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(6));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(6));

        //getNext should return 7,7
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(7));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(7));

        //Seek to 9,9.  getNext should return 9,9
        seek.set(0, new Integer(9));
        seek.set(1, new Integer(9));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(9));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(9));

        //getNext should return 10,10
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(10));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(10));


        //Seek to 13,12 (Not in index).  getNext should return 13,13
        seek.set(0, new Integer(13));
        seek.set(1, new Integer(12));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(13));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        assertTrue("GetNext did not return the correct value", key.equals(13));

        //Seek to 20 (Not in index). getNext should return null
        seek.set(0, new Integer(20));
        seek.set(1, new Integer(20));
        storage.seekNear(seek);
        read = storage.getNext();
        assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests getNext called repeatedly returns items in sorted order.
     */
    public void testGetNext() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);
       
        TaskAttemptID taskId = HadoopShims.createTaskAttemptID("jt", 1, true, 1, 1);
        conf.set("mapred.task.id", taskId.toString());
       
        conf.set("mapred.input.dir","out");
        storage.initialize(conf);
      
        Integer key;
        int [][] correctValues = {{2,2},{3,2},{3,3},{4,3},{4,4},{5,5},{5,5},{6,6},{7,7},{8,8},{9,9},{10,10},{11,11},{13,13}};
        for (int [] outer : correctValues) {
            System.out.println("Testing: (" + outer[0] + "," + outer[1] + ")");
            Tuple read = storage.getNext();
            System.out.println("Read: " + read);

            key = Integer.decode(((DataByteArray)read.get(0)).toString());
            Assert.assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[0]));
            key = Integer.decode(((DataByteArray)read.get(1)).toString());
            Assert.assertTrue("GetNext did not return the correct value.  Received: " + read, key.equals(outer[1]));
        }
        Tuple read = storage.getNext();
        Assert.assertTrue("GetNext did not return the correct value", (read == null));
    }
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    @Test
    /**
     * Tests seekNear and getNext work correctly.
     */
    public void testSeek() throws IOException, InterruptedException {
        IndexedStorage storage = new IndexedStorage("\t","0,1");
        Configuration conf = new Configuration();
        conf.set("fs.default.name", "file:///");
        LocalFileSystem fs = FileSystem.getLocal(conf);
       
        TaskAttemptID taskId =  HadoopShims.createTaskAttemptID("jt", 2, true, 2, 2);
        conf.set("mapred.task.id", taskId.toString());
       
        conf.set("mapred.input.dir","out");
        storage.initialize(conf);

        TupleFactory tupleFactory = TupleFactory.getInstance();
        Tuple seek = tupleFactory.newTuple(2);
        Integer key;
        Tuple read;

        //Seek to 1,1 (not in index). getNext should return 2
        seek.set(0, new Integer(1));
        seek.set(1, new Integer(1));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(2));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(2));

        //Seek to 3,2.  getNext should return 3,2
        seek.set(0, new Integer(3));
        seek.set(1, new Integer(2));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(2));

        //getNext should return 3,3
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(3));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(3));

        //Seek to 6,6.  getNext should return 6,6
        seek.set(0, new Integer(6));
        seek.set(1, new Integer(6));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(6));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(6));

        //getNext should return 7,7
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(7));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(7));

        //Seek to 9,9.  getNext should return 9,9
        seek.set(0, new Integer(9));
        seek.set(1, new Integer(9));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(9));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(9));

        //getNext should return 10,10
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(10));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(10));


        //Seek to 13,12 (Not in index).  getNext should return 13,13
        seek.set(0, new Integer(13));
        seek.set(1, new Integer(12));
        storage.seekNear(seek);
        read = storage.getNext();
        key = Integer.decode(((DataByteArray)read.get(0)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(13));
        key = Integer.decode(((DataByteArray)read.get(1)).toString());
        Assert.assertTrue("GetNext did not return the correct value", key.equals(13));

        //Seek to 20 (Not in index). getNext should return null
        seek.set(0, new Integer(20));
        seek.set(1, new Integer(20));
        storage.seekNear(seek);
        read = storage.getNext();
        Assert.assertTrue("GetNext did not return the correct value", (read == null));
    }
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