/** Serialize the write. */
private ByteBuffer serialize(
final TableKey key, final TableValue value, final WriteOptions options) {
int size;
int optionSize = 0;
byte[] optionBuf = null;
byte[] keyData = key.serialize();
byte[] valueData = value.getBytes();
int maxCompressed = compressor.maxCompressedLength(valueData.length);
byte[] compressed = new byte[maxCompressed];
int actualCompressed =
compressor.compress(valueData, 0, valueData.length, compressed, 0, maxCompressed);
size =
(Short.SIZE / 8)
+ 4 * (Integer.SIZE / 8)
+ (Long.SIZE / 8)
+ keyData.length
+ actualCompressed;
if (options != null) {
optionBuf = OptionsSerializer.getBytes(options);
if (optionBuf != null) {
optionSize = optionBuf.length;
} else {
optionSize = 0;
}
size += optionSize;
}
ByteBuffer buf = ByteBuffer.allocateDirect(size);
buf.putLong(System.currentTimeMillis());
buf.putShort(MAGIC_NUMBER); // Magic number.
buf.putInt(keyData.length);
buf.putInt(valueData.length);
buf.putInt(actualCompressed);
buf.putInt(optionSize);
buf.put(keyData);
buf.put(compressed, 0, actualCompressed);
if (optionBuf != null) {
buf.put(optionBuf);
}
return buf;
}
