Java Code Examples for org.apache.hadoop.hbase.util.PositionedByteRange#setLength()

The following examples show how to use org.apache.hadoop.hbase.util.PositionedByteRange#setLength() . 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
Source Project: hgraphdb   File: LabelConnectionModel.java    License: Apache License 2.0 5 votes vote down vote up
public byte[] serialize(String outVertexLabel, String edgeLabel, String inVertexLabel) {
    PositionedByteRange buffer = new DynamicPositionedMutableByteRange(4096);
    OrderedBytes.encodeString(buffer, outVertexLabel, Order.ASCENDING);
    OrderedBytes.encodeString(buffer, edgeLabel, Order.ASCENDING);
    OrderedBytes.encodeString(buffer, inVertexLabel, Order.ASCENDING);
    buffer.setLength(buffer.getPosition());
    buffer.setPosition(0);
    byte[] bytes = new byte[buffer.getRemaining()];
    buffer.get(bytes);
    return bytes;
}
 
Example 2
Source Project: hgraphdb   File: IndexMetadataModel.java    License: Apache License 2.0 5 votes vote down vote up
public byte[] serialize(IndexMetadata.Key index) {
    PositionedByteRange buffer = new DynamicPositionedMutableByteRange(4096);
    OrderedBytes.encodeString(buffer, index.label(), Order.ASCENDING);
    OrderedBytes.encodeString(buffer, index.propertyKey(), Order.ASCENDING);
    OrderedBytes.encodeInt8(buffer, index.type() == ElementType.VERTEX ? (byte) 1 : (byte) 0, Order.ASCENDING);
    buffer.setLength(buffer.getPosition());
    buffer.setPosition(0);
    byte[] bytes = new byte[buffer.getRemaining()];
    buffer.get(bytes);
    return bytes;
}
 
Example 3
Source Project: hbase   File: TerminatedWrapper.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Write instance {@code val} into buffer {@code dst}.
 * @throws IllegalArgumentException when the encoded representation of
 *           {@code val} contains the {@code term} sequence.
 */
@Override
public int encode(PositionedByteRange dst, T val) {
  final int start = dst.getPosition();
  int written = wrapped.encode(dst, val);
  PositionedByteRange b = dst.shallowCopy();
  b.setLength(dst.getPosition());
  b.setPosition(start);
  if (-1 != terminatorPosition(b)) {
    dst.setPosition(start);
    throw new IllegalArgumentException("Encoded value contains terminator sequence.");
  }
  dst.put(term);
  return written + term.length;
}