bloomIn = state.directory.openChecksumInput(bloomFileName, state.context);
int version = CodecUtil.checkHeader(bloomIn, BLOOM_CODEC_NAME, VERSION_START, VERSION_CURRENT);
// // Load the hash function used in the BloomFilter
// hashFunction = HashFunction.forName(bloomIn.readString());
// Load the delegate postings format
PostingsFormat delegatePostingsFormat = PostingsFormat.forName(bloomIn
.readString());
this.delegateFieldsProducer = delegatePostingsFormat
.fieldsProducer(state);
int numBlooms = bloomIn.readInt();