Method init

fdbclient/BlobGranuleFiles.cpp:327–341

	}

	void init(Optional<BlobGranuleCipherKeysCtx> cipherKeysCtx, Arena& arena) {
		if (encryptHeaderRef.present()) {
			CODE_PROBE(true, "reading encrypted chunked file");
			ASSERT(cipherKeysCtx.present());

			decrypt(cipherKeysCtx.get(), *this, arena);
		} else {
			if (BG_ENCRYPT_COMPRESS_DEBUG) {
				TraceEvent("IndexBlockSize").detail("Sz", buffer.size());
			}

			ObjectReader dataReader(buffer.begin(), IncludeVersion());
			dataReader.deserialize(FileIdentifierFor<IndexBlock>::value, block, arena);
		}
	}

	void finalize(Optional<BlobGranuleCipherKeysCtx> cipherKeysCtx, Arena& arena) {
		if (cipherKeysCtx.present()) {