Package org.apache.hadoop.hbase.util.RegionSplitter

Examples of org.apache.hadoop.hbase.util.RegionSplitter.UniformSplit.split()

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        byte[] lastRow = new byte[] {xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF};
        assertArrayEquals(lastRow, splitter.lastRow());
        byte[] firstRow = ArrayUtils.EMPTY_BYTE_ARRAY;
        assertArrayEquals(firstRow, splitter.firstRow());

        splitPoint = splitter.split(firstRow, new byte[] {0x20});
        assertArrayEquals(splitPoint, new byte[] {0x10});

        splitPoint = splitter.split(new byte[] {(byte)0xdf, xFF, xFF, xFF, xFF,
                xFF, xFF, xFF}, lastRow);
        assertArrayEquals(splitPoint,
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        assertArrayEquals(firstRow, splitter.firstRow());

        splitPoint = splitter.split(firstRow, new byte[] {0x20});
        assertArrayEquals(splitPoint, new byte[] {0x10});

        splitPoint = splitter.split(new byte[] {(byte)0xdf, xFF, xFF, xFF, xFF,
                xFF, xFF, xFF}, lastRow);
        assertArrayEquals(splitPoint,
                new byte[] {(byte)0xef, xFF, xFF, xFF, xFF, xFF, xFF, xFF});
    }
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    public void unitTestUniformSplit() {
        UniformSplit splitter = new UniformSplit();

        // Check splitting while starting from scratch
        try {
            splitter.split(1);
            throw new AssertionError("Splitting into <2 regions should have thrown exception");
        } catch (IllegalArgumentException e) { }

        byte[][] twoRegionsSplits = splitter.split(2);
        assertEquals(1, twoRegionsSplits.length);
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        try {
            splitter.split(1);
            throw new AssertionError("Splitting into <2 regions should have thrown exception");
        } catch (IllegalArgumentException e) { }

        byte[][] twoRegionsSplits = splitter.split(2);
        assertEquals(1, twoRegionsSplits.length);
        assertArrayEquals(twoRegionsSplits[0],
            new byte[] { (byte) 0x80, 0, 0, 0, 0, 0, 0, 0 });

        byte[][] threeRegionsSplits = splitter.split(3);
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        byte[][] twoRegionsSplits = splitter.split(2);
        assertEquals(1, twoRegionsSplits.length);
        assertArrayEquals(twoRegionsSplits[0],
            new byte[] { (byte) 0x80, 0, 0, 0, 0, 0, 0, 0 });

        byte[][] threeRegionsSplits = splitter.split(3);
        assertEquals(2, threeRegionsSplits.length);
        byte[] expectedSplit0 = new byte[] {0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55};
        assertArrayEquals(expectedSplit0, threeRegionsSplits[0]);
        byte[] expectedSplit1 = new byte[] {(byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA,
                (byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA};
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        byte[] expectedSplit1 = new byte[] {(byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA,
                (byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA};
        assertArrayEquals(expectedSplit1, threeRegionsSplits[1]);

        // Check splitting existing regions that have start and end points
        byte[] splitPoint = splitter.split(new byte[] {0x10}, new byte[] {0x30});
        assertArrayEquals(new byte[] {0x20}, splitPoint);

        byte[] lastRow = new byte[] {xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF};
        assertArrayEquals(lastRow, splitter.lastRow());
        byte[] firstRow = ArrayUtils.EMPTY_BYTE_ARRAY;
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        byte[] lastRow = new byte[] {xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF};
        assertArrayEquals(lastRow, splitter.lastRow());
        byte[] firstRow = ArrayUtils.EMPTY_BYTE_ARRAY;
        assertArrayEquals(firstRow, splitter.firstRow());

        splitPoint = splitter.split(firstRow, new byte[] {0x20});
        assertArrayEquals(splitPoint, new byte[] {0x10});

        splitPoint = splitter.split(new byte[] {(byte)0xdf, xFF, xFF, xFF, xFF,
                xFF, xFF, xFF}, lastRow);
        assertArrayEquals(splitPoint,
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        assertArrayEquals(firstRow, splitter.firstRow());

        splitPoint = splitter.split(firstRow, new byte[] {0x20});
        assertArrayEquals(splitPoint, new byte[] {0x10});

        splitPoint = splitter.split(new byte[] {(byte)0xdf, xFF, xFF, xFF, xFF,
                xFF, xFF, xFF}, lastRow);
        assertArrayEquals(splitPoint,
                new byte[] {(byte)0xef, xFF, xFF, xFF, xFF, xFF, xFF, xFF});
    }
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    public void unitTestUniformSplit() {
        UniformSplit splitter = new UniformSplit();

        // Check splitting while starting from scratch
        try {
            splitter.split(1);
            throw new AssertionError("Splitting into <2 regions should have thrown exception");
        } catch (IllegalArgumentException e) { }

        byte[][] twoRegionsSplits = splitter.split(2);
        assertEquals(1, twoRegionsSplits.length);
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        try {
            splitter.split(1);
            throw new AssertionError("Splitting into <2 regions should have thrown exception");
        } catch (IllegalArgumentException e) { }

        byte[][] twoRegionsSplits = splitter.split(2);
        assertEquals(1, twoRegionsSplits.length);
        assertArrayEquals(twoRegionsSplits[0],
            new byte[] { (byte) 0x80, 0, 0, 0, 0, 0, 0, 0 });

        byte[][] threeRegionsSplits = splitter.split(3);
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