/**
* Add key/value to file. Keys must be added in an order that agrees with the Comparator passed on
* construction.
*
* @param key
* @param koffset
* @param klength
* @param value
* @param voffset
* @param vlength
* @throws IOException
*/
private void append(
final long memstoreTS,
final byte[] key,
final int koffset,
final int klength,
final byte[] value,
final int voffset,
final int vlength)
throws IOException {
boolean dupKey = checkKey(key, koffset, klength);
checkValue(value, voffset, vlength);
if (!dupKey) {
checkBlockBoundary();
}
if (!fsBlockWriter.isWriting()) newBlock();
// Write length of key and value and then actual key and value bytes.
// Additionally, we may also write down the memstoreTS.
{
DataOutputStream out = fsBlockWriter.getUserDataStream();
out.writeInt(klength);
totalKeyLength += klength;
out.writeInt(vlength);
totalValueLength += vlength;
out.write(key, koffset, klength);
out.write(value, voffset, vlength);
if (this.includeMemstoreTS) {
WritableUtils.writeVLong(out, memstoreTS);
}
}
// Are we the first key in this block?
if (firstKeyInBlock == null) {
// Copy the key.
firstKeyInBlock = new byte[klength];
System.arraycopy(key, koffset, firstKeyInBlock, 0, klength);
}
lastKeyBuffer = key;
lastKeyOffset = koffset;
lastKeyLength = klength;
entryCount++;
}
