Examples with KeyGenerator org.apache.carbondata.core.keygenerator.KeyGenerator used on opensource projects

Example 6 with KeyGenerator

use of org.apache.carbondata.core.keygenerator.KeyGenerator in project carbondata by apache.

the class BTreeBlockFinderTest method testBtreeSearchIsWorkingAndGivingPorperBlockletWithDictionaryKey2.

@Test
public void testBtreeSearchIsWorkingAndGivingPorperBlockletWithDictionaryKey2() throws KeyGenException {
    BtreeBuilder builder = new BlockBTreeBuilder();
    List<DataFileFooter> footerList = getFileFooterListWithOnlyDictionaryKey();
    BTreeBuilderInfo infos = new BTreeBuilderInfo(footerList, null);
    builder.build(infos);
    DataRefNode dataBlock = builder.get();
    assertTrue(dataBlock != null);
    DataRefNodeFinder finder = new BTreeDataRefNodeFinder(new int[] { 2, 2 }, 2, 0);
    int[] dimensionBitLength = CarbonUtil.getDimensionBitLength(new int[] { 10000, 10000 }, new int[] { 1, 1 });
    KeyGenerator multiDimKeyVarLengthGenerator = new MultiDimKeyVarLengthGenerator(dimensionBitLength);
    IndexKey key = new IndexKey(multiDimKeyVarLengthGenerator.generateKey(new int[] { 0, 0 }), null);
    DataRefNode findFirstBlock = finder.findFirstDataBlock(dataBlock, key);
    assertEquals(0, findFirstBlock.nodeNumber());
    DataRefNode findLastBlock = finder.findLastDataBlock(dataBlock, key);
    assertEquals(0, findLastBlock.nodeNumber());
}

Example 7 with KeyGenerator

use of org.apache.carbondata.core.keygenerator.KeyGenerator in project carbondata by apache.

the class BTreeBlockFinderTest method getDataFileFooterList.

private List<DataFileFooter> getDataFileFooterList() {
    List<DataFileFooter> list = new ArrayList<DataFileFooter>();
    try {
        int[] dimensionBitLength = CarbonUtil.getDimensionBitLength(new int[] { 10000, 10000 }, new int[] { 1, 1 });
        KeyGenerator multiDimKeyVarLengthGenerator = new MultiDimKeyVarLengthGenerator(dimensionBitLength);
        int i = 1;
        while (i < 1001) {
            byte[] startKey = multiDimKeyVarLengthGenerator.generateKey(new int[] { i, i });
            byte[] endKey = multiDimKeyVarLengthGenerator.generateKey(new int[] { i + 10, i + 10 });
            ByteBuffer buffer = ByteBuffer.allocate(4 + 1);
            buffer.rewind();
            buffer.put((byte) 1);
            buffer.putInt(i);
            buffer.array();
            byte[] noDictionaryStartKey = buffer.array();
            ByteBuffer buffer1 = ByteBuffer.allocate(4 + 1);
            buffer1.rewind();
            buffer1.put((byte) 1);
            buffer1.putInt(i + 10);
            buffer1.array();
            byte[] noDictionaryEndKey = buffer.array();
            DataFileFooter footer = getFileFooter(startKey, endKey, noDictionaryStartKey, noDictionaryEndKey);
            list.add(footer);
            i = i + 10;
        }
    } catch (Exception e) {
        LOGGER.error(e);
    }
    return list;
}

Example 8 with KeyGenerator

use of org.apache.carbondata.core.keygenerator.KeyGenerator in project carbondata by apache.

the class BTreeBlockFinderTest method getFileFooterListWithOnlyDictionaryKey.

private List<DataFileFooter> getFileFooterListWithOnlyDictionaryKey() {
    List<DataFileFooter> list = new ArrayList<DataFileFooter>();
    try {
        int[] dimensionBitLength = CarbonUtil.getDimensionBitLength(new int[] { 10000, 10000 }, new int[] { 1, 1 });
        KeyGenerator multiDimKeyVarLengthGenerator = new MultiDimKeyVarLengthGenerator(dimensionBitLength);
        int i = 1;
        while (i < 1001) {
            byte[] startKey = multiDimKeyVarLengthGenerator.generateKey(new int[] { i, i });
            byte[] endKey = multiDimKeyVarLengthGenerator.generateKey(new int[] { i + 10, i + 10 });
            ByteBuffer buffer = ByteBuffer.allocate(1 + 4);
            buffer.rewind();
            buffer.put((byte) 1);
            buffer.putInt(i);
            buffer.array();
            byte[] noDictionaryStartKey = buffer.array();
            ByteBuffer buffer1 = ByteBuffer.allocate(1 + 4);
            buffer1.rewind();
            buffer1.put((byte) 1);
            buffer1.putInt(i + 10);
            buffer1.array();
            byte[] noDictionaryEndKey = buffer.array();
            DataFileFooter footer = getFileFooterWithOnlyDictionaryKey(startKey, endKey, noDictionaryStartKey, noDictionaryEndKey);
            list.add(footer);
            i = i + 10;
        }
    } catch (Exception e) {
        LOGGER.error(e);
    }
    return list;
}

Example 9 with KeyGenerator

use of org.apache.carbondata.core.keygenerator.KeyGenerator in project carbondata by apache.

the class KeyGeneratorFactoryUnitTest method testGetKeyGenerator.

@Test
public void testGetKeyGenerator() throws Exception {
    int expected = 3;
    int[] dimension = new int[] { 1, 2, 3 };
    KeyGenerator result = getKeyGenerator(dimension);
    assertEquals(expected, result.getDimCount());
}

Example 10 with KeyGenerator

use of org.apache.carbondata.core.keygenerator.KeyGenerator in project carbondata by apache.

the class KeyGeneratorFactoryUnitTest method testGetKeyGeneratorNegative.

/**
   * Return 0 when we provide empty int[] in method.
   *
   * @throws Exception
   */
@Test
public void testGetKeyGeneratorNegative() throws Exception {
    int expected = 0;
    int[] dimension = new int[] {};
    KeyGenerator result = getKeyGenerator(dimension);
    assertEquals(expected, result.getDimCount());
}