@Override
public BytesRef writeToBytes() {
long start = System.nanoTime();
int size = set.size();
BytesRef bytes = new BytesRef(new byte[HEADER_SIZE + (int) bytesUsed.get()]);
// Encode encoding type
Bytes.writeInt(bytes, this.getEncoding().ordinal());
// Encode flag
bytes.bytes[bytes.offset++] = (byte) (this.isPruned() ? 1 : 0);
// Encode size of the set
Bytes.writeInt(bytes, size);
// Encode longs
BytesRef reusable = new BytesRef();
for (int i = 0; i < this.set.size(); i++) {
this.set.get(i, reusable);
Bytes.writeBytesRef(reusable, bytes);
}
logger.debug(
"Serialized {} terms - took {} ms", this.size(), (System.nanoTime() - start) / 1000000);
bytes.length = bytes.offset;
bytes.offset = 0;
return bytes;
}
/** Return the memory usage of this object in bytes. */
public long ramBytesUsed() {
return bytesUsed.get();
}