Java Code Examples for org.apache.accumulo.core.data.Value#getSize()

public static String getPrintableValue(final Value value) {
    if ((value != null) && (value.getSize() > 0)) {
        try {
            final Uid.List uidList = Uid.List.parseFrom(value.get());
            
            return (uidList.getUIDList().toString());
        } catch (final InvalidProtocolBufferException e1) {
            try {
                return (ReflectionToStringBuilder.toString(EdgeValue.decode(value), ToStringStyle.SHORT_PREFIX_STYLE));
            } catch (final Exception e2) {
                try {
                    final ExtendedHyperLogLogPlus ehllp = new ExtendedHyperLogLogPlus(value);
                    
                    return (String.valueOf(ehllp.getCardinality()));
                } catch (final Exception e3) {
                    logger.error("Could not deserialize protobuff" + e2);
                }
            }
        }
    }
    
    return ("");
}
 

private String diffInfo(Value v1, Value v2) {
  if (v1.getSize() != v2.getSize()) {
    return "val len not equal " + v1.getSize() + "!=" + v2.getSize();
  }

  byte[] vb1 = v1.get();
  byte[] vb2 = v2.get();

  for (int i = 0; i < vb1.length; i++) {
    if (vb1[i] != vb2[i]) {
      return String.format("first diff at offset %,d 0x%02x != 0x%02x", i, 0xff & vb1[i],
          0xff & vb2[i]);
    }
  }

  return null;
}
 

/**
 * Add an entry in the cache, appending values if needed
 * 
 * @param key
 * @param value
 */
protected void cacheAdd(Key key, Value value) {
    if (cache.containsKey(key)) {
        ByteArrayOutputStream orgValue = cache.get(key);
        orgValue.write(0);
        orgValue.write(value.get(), 0, value.getSize());
    } else {
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        if (value != null && value.getSize() > 0) {
            bytes.write(value.get(), 0, value.getSize());
        }
        cache.put(new Key(key), bytes);
    }
}
 

/**
 * Format and return the specified table entry as a human-readable String suitable for logging.
 * <br/>
 * If {@code includeTimestamp} is true, the entry will be formatted as: <br/>
 * {@literal <row> <columnFamily>:<columnQualifier> <columnVisibility> <timestamp>\t<value>} <br/>
 * If false, the entry will be formatted as: <br/>
 * {@literal <row> <columnFamily>:<columnQualifier> <columnVisibility>\t<value>} <br/>
 * Examples: <br/>
 * {@literal a ~chunk:\x00\x00\x00d\x00\x00\x00\x00 [A&B] 9223372036854775807 asdfjkl;}
 * {@literal a ~chunk:\x00\x00\x00d\x00\x00\x00\x00 [A&B] asdfjkl;}
 * 
 * @param entry
 *          the table entry to format
 * @param includeTimestamp
 *          if true, include the timestamp in the returned result
 * @return the specified entry as a formatted String, or null if the entry is null
 */
public static String formatTableEntry(final Map.Entry<Key,Value> entry,
    final boolean includeTimestamp) {
  if (entry == null) {
    return null;
  }

  Key key = entry.getKey();
  StringBuilder sb = new StringBuilder();
  Text buffer = new Text();

  // Append row.
  appendBytes(sb, key.getRow(buffer).getBytes()).append(" ");

  // Append column family.
  appendBytes(sb, key.getColumnFamily().getBytes()).append(":");

  // Append column qualifier.
  appendBytes(sb, key.getColumnQualifier().getBytes()).append(" ");

  // Append visibility and timestamp.
  sb.append(new ColumnVisibility(key.getColumnVisibility(buffer)));

  if (includeTimestamp) {
    sb.append(" ").append(entry.getKey().getTimestamp());
  }

  // Append value.
  Value value = entry.getValue();
  if (value != null && value.getSize() > 0) {
    sb.append("\t");
    appendBytes(sb, value.get());
  }
  return sb.toString();
}
 

public void append(Key key, Value value) throws IOException {
    entries++;
    size += key.getLength() + (value == null ? 0 : value.getSize());
    delegate.append(key, value);
}
 

public String formatEntry(final Entry<Key, Value> entry, final DateFormat timestampFormat) {
  final StringBuilder sb = new StringBuilder();
  final StringBuilder sbInsertion = new StringBuilder();

  final Key key = entry.getKey();

  final GeoWaveKey rowId = new GeoWaveKeyImpl(key.getRow().copyBytes(), 0);

  byte[] insertionIdBytes;
  insertionIdBytes = rowId.getSortKey();

  for (final byte b : insertionIdBytes) {
    sbInsertion.append(String.format("%02x", b));
  }

  final Text insertionIdText = new Text(sbInsertion.toString());
  final Text adapterIdText = new Text((Short.toString(rowId.getAdapterId())));
  final Text dataIdText = new Text(StringUtils.stringFromBinary(rowId.getDataId()));
  final Text duplicatesText = new Text(Integer.toString(rowId.getNumberOfDuplicates()));

  // append insertion Id
  appendText(sb, insertionIdText).append(" ");

  // append adapterId
  appendText(sb, adapterIdText).append(" ");

  // append dataId
  appendText(sb, dataIdText).append(" ");

  // append numberOfDuplicates
  appendText(sb, duplicatesText).append(" ");

  // append column family
  appendText(sb, key.getColumnFamily()).append(":");

  // append column qualifier
  appendText(sb, key.getColumnQualifier()).append(" ");

  // append visibility expression
  sb.append(new ColumnVisibility(key.getColumnVisibility()));

  // append timestamp
  if (timestampFormat != null) {
    tmpDate.get().setTime(entry.getKey().getTimestamp());
    sb.append(" ").append(timestampFormat.format(tmpDate.get()));
  }

  final Value value = entry.getValue();

  // append value
  if ((value != null) && (value.getSize() > 0)) {
    sb.append("\t");
    appendValue(sb, value);
  }

  return sb.toString();
}