Java Code Examples for org.apache.kylin.common.util.ByteArray#array()

The following examples show how to use org.apache.kylin.common.util.ByteArray#array() . 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
Source File: RecordComparators.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
public static RecordComparator getRangeEndComparator(final IGTComparator comp) {
    return new RecordComparator(new ComparatorEx<ByteArray>() {
        @Override
        public int compare(ByteArray a, ByteArray b) {
            if (a.array() == null) {
                if (b.array() == null) {
                    return 0;
                } else {
                    return 1;
                }
            } else if (b.array() == null) {
                return -1;
            } else {
                return comp.compare(a, b);
            }
        }
    });
}
Example 2
Source File: RowKeyEncoder.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
private void encodeDims(GTRecord record, ImmutableBitSet selectedCols, ByteArray buf, byte defaultValue) {
    int pos = 0;
    for (int i = 0; i < selectedCols.trueBitCount(); i++) {
        int c = selectedCols.trueBitAt(i);
        ByteArray columnC = record.get(c);
        if (columnC.array() != null) {
            System.arraycopy(record.get(c).array(), columnC.offset(), buf.array(), buf.offset() + pos, columnC.length());
            pos += columnC.length();
        } else {
            int maxLength = record.getInfo().getCodeSystem().maxCodeLength(c);
            Arrays.fill(buf.array(), buf.offset() + pos, buf.offset() + pos + maxLength, defaultValue);
            pos += maxLength;
        }
    }
    buf.setLength(pos);
}
Example 3
Source File: GTScanRequest.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
private int lookAndForget(IGTScanner scanner) {
    byte meaninglessByte = 0;
    int scanned = 0;
    for (GTRecord gtRecord : scanner) {
        scanned++;
        for (ByteArray col : gtRecord.getInternal()) {
            if (col != null) {
                int endIndex = col.offset() + col.length();
                for (int i = col.offset(); i < endIndex; ++i) {
                    meaninglessByte += col.array()[i];
                }
            }
        }
    }
    logger.info("Meaningless byte is " + meaninglessByte);
    IOUtils.closeQuietly(scanner);
    return scanned;
}
Example 4
Source File: RecordComparators.java    From kylin with Apache License 2.0 6 votes vote down vote up 
public static RecordComparator getRangeEndComparator(final IGTComparator comp) {
    return new RecordComparator(new ComparatorEx<ByteArray>() {
        @Override
        public int compare(ByteArray a, ByteArray b) {
            if (a.array() == null) {
                if (b.array() == null) {
                    return 0;
                } else {
                    return 1;
                }
            } else if (b.array() == null) {
                return -1;
            } else {
                return comp.compare(a, b);
            }
        }
    });
}
Example 5
Source File: RowKeyEncoder.java    From kylin with Apache License 2.0 6 votes vote down vote up 
private void encodeDims(GTRecord record, ImmutableBitSet selectedCols, ByteArray buf, byte defaultValue) {
    int pos = 0;
    for (int i = 0; i < selectedCols.trueBitCount(); i++) {
        int c = selectedCols.trueBitAt(i);
        ByteArray columnC = record.get(c);
        if (columnC.array() != null) {
            System.arraycopy(record.get(c).array(), columnC.offset(), buf.array(), buf.offset() + pos, columnC.length());
            pos += columnC.length();
        } else {
            int maxLength = record.getInfo().getCodeSystem().maxCodeLength(c);
            Arrays.fill(buf.array(), buf.offset() + pos, buf.offset() + pos + maxLength, defaultValue);
            pos += maxLength;
        }
    }
    buf.setLength(pos);
}
Example 6
Source File: GTScanRequest.java    From kylin with Apache License 2.0 6 votes vote down vote up 
private int lookAndForget(IGTScanner scanner) {
    byte meaninglessByte = 0;
    int scanned = 0;
    for (GTRecord gtRecord : scanner) {
        scanned++;
        for (ByteArray col : gtRecord.getInternal()) {
            if (col != null) {
                int endIndex = col.offset() + col.length();
                for (int i = col.offset(); i < endIndex; ++i) {
                    meaninglessByte += col.array()[i];
                }
            }
        }
    }
    logger.info("Meaningless byte is " + meaninglessByte);
    IOUtils.closeQuietly(scanner);
    return scanned;
}
Example 7
Source File: ExtendedColumnSerializer.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
@Override
public void serialize(ByteArray value, ByteBuffer out) {
    if (value != null && value.array() != null) {
        BytesUtil.writeByteArray(value.array(), value.offset(), value.length(), out);
    } else {
        BytesUtil.writeByteArray(null, out);
    }
}
Example 8
Source File: RecordComparators.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public static RecordComparator getRangeStartEndComparator(final IGTComparator comp) {
    return new AsymmetricRecordComparator(new ComparatorEx<ByteArray>() {
        @Override
        public int compare(ByteArray a, ByteArray b) {
            if (a.array() == null || b.array() == null) {
                return -1;
            } else {
                return comp.compare(a, b);
            }
        }
    });
}
Example 9
Source File: GTRecord.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public Object decodeValue(int c) {
    ByteArray col = cols[c];
    if (col != null && col.array() != null) {
        return info.codeSystem.decodeColumnValue(c, col.asBuffer());
    }
    return null;
}
Example 10
Source File: ExtendedColumnSerializer.java    From kylin with Apache License 2.0 5 votes vote down vote up 
@Override
public void serialize(ByteArray value, ByteBuffer out) {
    if (value != null && value.array() != null) {
        BytesUtil.writeByteArray(value.array(), value.offset(), value.length(), out);
    } else {
        BytesUtil.writeByteArray(null, out);
    }
}
Example 11
Source File: RecordComparators.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public static RecordComparator getRangeStartEndComparator(final IGTComparator comp) {
    return new AsymmetricRecordComparator(new ComparatorEx<ByteArray>() {
        @Override
        public int compare(ByteArray a, ByteArray b) {
            if (a.array() == null || b.array() == null) {
                return -1;
            } else {
                return comp.compare(a, b);
            }
        }
    });
}
Example 12
Source File: GTRecord.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public Object decodeValue(int c) {
    ByteArray col = cols[c];
    if (col != null && col.array() != null) {
        return info.codeSystem.decodeColumnValue(c, col.asBuffer());
    }
    return null;
}
Example 13
Source File: GTRowBlock.java    From kylin-on-parquet-v2 with Apache License 2.0 4 votes vote down vote up 
private void importFrom(DataInputStream in, ByteArray result) throws IOException {
    byte[] data = result.array();
    int len = in.readInt();
    in.read(data, 0, len);
    result.setLength(len);
}
Example 14
Source File: GTRowBlock.java    From kylin with Apache License 2.0 4 votes vote down vote up 
private void importFrom(DataInputStream in, ByteArray result) throws IOException {
    byte[] data = result.array();
    int len = in.readInt();
    in.read(data, 0, len);
    result.setLength(len);
}