Java Code Examples for org.apache.hadoop.hbase.util.Bytes#SIZEOF_LONG

The following examples show how to use org.apache.hadoop.hbase.util.Bytes#SIZEOF_LONG . 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 want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: phoenix   File: PDouble.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public double decodeDouble(byte[] bytes, int o, SortOrder sortOrder) {
  Preconditions.checkNotNull(sortOrder);
  checkForSufficientLength(bytes, o, Bytes.SIZEOF_LONG);
  long l;
  if (sortOrder == SortOrder.DESC) {
      // Copied from Bytes.toLong(), but without using the toLongUnsafe
      // TODO: would it be possible to use the toLongUnsafe?
      l = 0;
      for(int i = o; i < o + Bytes.SIZEOF_LONG; i++) {
        l <<= 8;
        l ^= (bytes[i] ^ 0xff) & 0xFF;
      }
  } else {
      l = Bytes.toLong(bytes, o);
  }
  l--;
  l ^= (~l >> Long.SIZE - 1) | Long.MIN_VALUE;
  return Double.longBitsToDouble(l);
}
 
Example 2
Source Project: hbase   File: MultiByteBuff.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Writes a long to this MBB at its current position. Also advances the position by size of long
 * @param val Long value to write
 * @return this object
 */
@Override
public MultiByteBuff putLong(long val) {
  checkRefCount();
  if (this.curItem.remaining() >= Bytes.SIZEOF_LONG) {
    this.curItem.putLong(val);
    return this;
  }
  if (this.curItemIndex == this.items.length - 1) {
    throw new BufferOverflowException();
  }
  // During read, we will read as byte by byte for this case. So just write in Big endian
  put(long7(val));
  put(long6(val));
  put(long5(val));
  put(long4(val));
  put(long3(val));
  put(long2(val));
  put(long1(val));
  put(long0(val));
  return this;
}
 
Example 3
Source Project: canal   File: PhTypeUtil.java    License: Apache License 2.0 6 votes vote down vote up
private static int encodeUnsignedDate(Object v, byte[] b, int o) {
    if (v instanceof Date) {
        encodeUnsignedLong(((Date) v).getTime(), b, 0);
    } else if (v instanceof String) {
        String dateStr = (String) v;
        Date date;
        try {
            date = Util.parseDate(dateStr);
            if (date != null) {
                encodeUnsignedLong(date.getTime(), b, 0);
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    return Bytes.SIZEOF_LONG;
}
 
Example 4
Source Project: phoenix   File: PLong.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public long decodeLong(byte[] bytes, int o, SortOrder sortOrder) {
    Preconditions.checkNotNull(sortOrder);
    checkForSufficientLength(bytes, o, Bytes.SIZEOF_LONG);
    long v;
    byte b = bytes[o];
    if (sortOrder == SortOrder.ASC) {
        v = b ^ 0x80; // Flip sign bit back
        for (int i = 1; i < Bytes.SIZEOF_LONG; i++) {
            b = bytes[o + i];
            v = (v << 8) + (b & 0xff);
        }
    } else {
        b = (byte) (b ^ 0xff);
        v = b ^ 0x80; // Flip sign bit back
        for (int i = 1; i < Bytes.SIZEOF_LONG; i++) {
            b = bytes[o + i];
            b ^= 0xff;
            v = (v << 8) + (b & 0xff);
        }
    }
    return v;
}
 
Example 5
Source Project: canal-1.1.3   File: PhTypeUtil.java    License: Apache License 2.0 5 votes vote down vote up
private static long decodeLong(byte[] bytes, int o) {
    checkForSufficientLength(bytes, o, Bytes.SIZEOF_LONG);
    long v;
    byte b = bytes[o];
    v = b ^ 0x80; // Flip sign bit back
    for (int i = 1; i < Bytes.SIZEOF_LONG; i++) {
        b = bytes[o + i];
        v = (v << 8) + (b & 0xff);
    }
    return v;
}
 
Example 6
/**
 * @return Max serialization size
 */
public int getEstimatedLength() {
    if (schema == null) {
        return 0;
    }
    return Bytes.SIZEOF_SHORT + (isVarLength() ? (maxSetBit + BITS_PER_LONG - 1) / BITS_PER_LONG * Bytes.SIZEOF_LONG : 0);
}
 
Example 7
Source Project: canal-1.1.3   File: PhTypeUtil.java    License: Apache License 2.0 5 votes vote down vote up
private static int encodeUnsignedLong(long v, byte[] b, int o) {
    checkForSufficientLength(b, o, Bytes.SIZEOF_LONG);
    if (v < 0) {
        throw new RuntimeException();
    }
    Bytes.putLong(b, o, v);
    return Bytes.SIZEOF_LONG;
}
 
Example 8
@Override
public PositionedByteRange putLong(int index, long val) {
    // This writing is same as BB's putLong. When byte[] is wrapped in a BB and
    // call putLong(), one
    // can get the same result.
    for (int i = Bytes.SIZEOF_LONG - 1; i > 0; i--) {
        bytes[offset + index + i] = (byte) val;
        val >>>= 8;
    }
    bytes[offset + index] = (byte) val;
    clearHashCache();
    return this;
}
 
Example 9
Source Project: canal-1.1.3   File: PhTypeUtil.java    License: Apache License 2.0 5 votes vote down vote up
private static int encodeUnsignedTimestamp(Object v, byte[] b, int o) {
    if (v instanceof Timestamp) {
        Timestamp ts = (Timestamp) v;
        encodeUnsignedLong(ts.getTime(), b, o);
        Bytes.putInt(b, Bytes.SIZEOF_LONG, ts.getNanos() % 1000000);
    } else {
        encodeUnsignedDate(v, b, o);
    }
    return Bytes.SIZEOF_LONG + Bytes.SIZEOF_INT;
}
 
Example 10
Source Project: phoenix   File: BitSet.java    License: Apache License 2.0 5 votes vote down vote up
public static int getByteSize(int capacity) {
    if (capacity <= BitSet.BITS_PER_BYTE) {
        return Bytes.SIZEOF_BYTE;
    } else if (capacity <= BitSet.BITS_PER_SHORT) {
        return Bytes.SIZEOF_SHORT;
    } else if (capacity <= BitSet.BITS_PER_INT) {
        return Bytes.SIZEOF_INT;
    } else if (capacity <= BitSet.BITS_PER_LONG) {
        return Bytes.SIZEOF_LONG;
    } else {
        int nLongs = (capacity-1) / BitSet.BITS_PER_LONG + 1;
        return nLongs * Bytes.SIZEOF_LONG;
    }
}
 
Example 11
Source Project: phoenix   File: PUnsignedLong.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public byte[] toBytes(Object object) {
  byte[] b = new byte[Bytes.SIZEOF_LONG];
  toBytes(object, b, 0);
  return b;
}
 
Example 12
Source Project: phoenix   File: PDate.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public Integer getByteSize() {
  return Bytes.SIZEOF_LONG;
}
 
Example 13
Source Project: phoenix   File: PTime.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public Integer getByteSize() {
  return Bytes.SIZEOF_LONG;
}
 
Example 14
Source Project: phoenix-tephra   File: DataJanitorState.java    License: Apache License 2.0 4 votes vote down vote up
private byte[] getEmptyRegionFromKey(byte[] key) {
  int prefixLen = EMPTY_REGION_TIME_KEY_PREFIX.length + Bytes.SIZEOF_LONG;
  return Bytes.copy(key, prefixLen, key.length - prefixLen);
}
 
Example 15
Source Project: phoenix-tephra   File: DataJanitorState.java    License: Apache License 2.0 4 votes vote down vote up
private byte[] getEmptyRegionFromKey(byte[] key) {
  int prefixLen = EMPTY_REGION_TIME_KEY_PREFIX.length + Bytes.SIZEOF_LONG;
  return Bytes.copy(key, prefixLen, key.length - prefixLen);
}
 
Example 16
Source Project: phoenix   File: PUnsignedLong.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public byte[] toBytes(Object object) {
    byte[] b = new byte[Bytes.SIZEOF_LONG];
    toBytes(object, b, 0);
    return b;
}
 
Example 17
Source Project: hbase   File: RawLong.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public int skip(PositionedByteRange src) {
  src.setPosition(src.getPosition() + Bytes.SIZEOF_LONG);
  return Bytes.SIZEOF_LONG;
}
 
Example 18
Source Project: phoenix   File: PUnsignedTime.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public Integer getByteSize() {
  return Bytes.SIZEOF_LONG;
}
 
Example 19
Source Project: phoenix   File: PUnsignedLong.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public Integer getByteSize() {
  return Bytes.SIZEOF_LONG;
}
 
Example 20
Source Project: phoenix   File: PUnsignedTime.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public Integer getByteSize() {
  return Bytes.SIZEOF_LONG;
}