Java Code Examples for org.apache.kylin.cube.model.HBaseMappingDesc#getColumnFamily()

The following examples show how to use org.apache.kylin.cube.model.HBaseMappingDesc#getColumnFamily() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
/**
 * prune untouched hbase columns
 */
protected List<Pair<byte[], byte[]>> makeHBaseColumns(ImmutableBitSet selectedColBlocks) {
    List<Pair<byte[], byte[]>> result = Lists.newArrayList();

    int colBlkIndex = 1;
    HBaseMappingDesc hbaseMapping = cubeSeg.getCubeDesc().getHbaseMapping();
    for (HBaseColumnFamilyDesc familyDesc : hbaseMapping.getColumnFamily()) {
        byte[] byteFamily = Bytes.toBytes(familyDesc.getName());
        for (HBaseColumnDesc hbaseColDesc : familyDesc.getColumns()) {
            if (selectedColBlocks.get(colBlkIndex)) {
                byte[] byteQualifier = Bytes.toBytes(hbaseColDesc.getQualifier());
                result.add(Pair.newPair(byteFamily, byteQualifier));
            }
            colBlkIndex++;
        }
    }

    return result;
}
 
Example 2
/**
 * for each selected hbase column, it might contain values of multiple GT columns.
 * The mapping should be passed down to storage
 */
protected List<List<Integer>> getHBaseColumnsGTMapping(ImmutableBitSet selectedColBlocks) {

    List<List<Integer>> ret = Lists.newArrayList();

    int colBlkIndex = 1;
    int metricOffset = fullGTInfo.getPrimaryKey().trueBitCount();

    HBaseMappingDesc hbaseMapping = cubeSeg.getCubeDesc().getHbaseMapping();
    for (HBaseColumnFamilyDesc familyDesc : hbaseMapping.getColumnFamily()) {
        for (HBaseColumnDesc hbaseColDesc : familyDesc.getColumns()) {
            if (selectedColBlocks.get(colBlkIndex)) {
                int[] metricIndexes = hbaseColDesc.getMeasureIndex();
                Integer[] gtIndexes = new Integer[metricIndexes.length];
                for (int i = 0; i < gtIndexes.length; i++) {
                    gtIndexes[i] = metricIndexes[i] + metricOffset;
                }
                ret.add(Arrays.asList(gtIndexes));
            }
            colBlkIndex++;
        }
    }

    Preconditions.checkState(selectedColBlocks.trueBitCount() == ret.size() + 1);
    return ret;
}
 
Example 3
Source Project: kylin   File: CubeHBaseRPC.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * prune untouched hbase columns
 */
protected List<Pair<byte[], byte[]>> makeHBaseColumns(ImmutableBitSet selectedColBlocks) {
    List<Pair<byte[], byte[]>> result = Lists.newArrayList();

    int colBlkIndex = 1;
    HBaseMappingDesc hbaseMapping = cubeSeg.getCubeDesc().getHbaseMapping();
    for (HBaseColumnFamilyDesc familyDesc : hbaseMapping.getColumnFamily()) {
        byte[] byteFamily = Bytes.toBytes(familyDesc.getName());
        for (HBaseColumnDesc hbaseColDesc : familyDesc.getColumns()) {
            if (selectedColBlocks.get(colBlkIndex)) {
                byte[] byteQualifier = Bytes.toBytes(hbaseColDesc.getQualifier());
                result.add(Pair.newPair(byteFamily, byteQualifier));
            }
            colBlkIndex++;
        }
    }

    return result;
}
 
Example 4
Source Project: kylin   File: CubeHBaseRPC.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * for each selected hbase column, it might contain values of multiple GT columns.
 * The mapping should be passed down to storage
 */
protected List<List<Integer>> getHBaseColumnsGTMapping(ImmutableBitSet selectedColBlocks) {

    List<List<Integer>> ret = Lists.newArrayList();

    int colBlkIndex = 1;
    int metricOffset = fullGTInfo.getPrimaryKey().trueBitCount();

    HBaseMappingDesc hbaseMapping = cubeSeg.getCubeDesc().getHbaseMapping();
    for (HBaseColumnFamilyDesc familyDesc : hbaseMapping.getColumnFamily()) {
        for (HBaseColumnDesc hbaseColDesc : familyDesc.getColumns()) {
            if (selectedColBlocks.get(colBlkIndex)) {
                int[] metricIndexes = hbaseColDesc.getMeasureIndex();
                Integer[] gtIndexes = new Integer[metricIndexes.length];
                for (int i = 0; i < gtIndexes.length; i++) {
                    gtIndexes[i] = metricIndexes[i] + metricOffset;
                }
                ret.add(Arrays.asList(gtIndexes));
            }
            colBlkIndex++;
        }
    }

    Preconditions.checkState(selectedColBlocks.trueBitCount() == ret.size() + 1);
    return ret;
}