/**
* Return a byte buffer that represents this Value with the following order:
*
* <ol>
* <li><strong>type</strong> - position 0
* <li><strong>data</strong> - position 1
* </ol>
*
* @return the ByteBuffer representation
*/
@Override
public ByteBuffer getBytes() {
if (bytes == null) {
bytes = ByteBuffer.allocate(size());
copyTo(bytes);
bytes.rewind();
}
return ByteBuffers.asReadOnlyBuffer(bytes);
}
/**
* Deserialize the content of this Transaction from {@code bytes}.
*
* @param bytes
*/
private void deserialize(ByteBuffer bytes) {
locks = Maps.newHashMap();
Iterator<ByteBuffer> it =
ByteableCollections.iterator(ByteBuffers.slice(bytes, bytes.getInt()));
while (it.hasNext()) {
LockDescription lock =
LockDescription.fromByteBuffer(it.next(), lockService, rangeLockService);
locks.put(lock.getToken(), lock);
}
it = ByteableCollections.iterator(bytes);
while (it.hasNext()) {
Write write = Write.fromByteBuffer(it.next());
buffer.insert(write);
}
}
@Override
public String toString() {
return Hashing.sha1().hashBytes(ByteBuffers.toByteArray(getBytes())).toString();
}
@Override
public ByteBuffer getBytes() {
return ByteBuffers.asReadOnlyBuffer(bytes);
}