private PropertyRecord readPropertyRecord(long id) throws IOException {
      // in_use(byte)+type(int)+key_indexId(int)+prop_blockId(long)+
      // prev_prop_id(long)+next_prop_id(long)
      PropertyRecord record = new PropertyRecord(id);
      byte inUseFlag = channel.get(); // 1
      long nextProp = channel.getLong(); // 8
      long prevProp = channel.getLong(); // 8
      record.setNextProp(nextProp);
      record.setPrevProp(prevProp);
      boolean inUse = false;
      if ((inUseFlag & Record.IN_USE.byteValue()) == Record.IN_USE.byteValue()) {
        inUse = true;
      }
      boolean nodeProperty = true;
      if ((inUseFlag & Record.REL_PROPERTY.byteValue()) == Record.REL_PROPERTY.byteValue()) {
        nodeProperty = false;
      }
      long primitiveId = channel.getLong(); // 8
      if (primitiveId != -1 && nodeProperty) {
        record.setNodeId(primitiveId);
      } else if (primitiveId != -1) {
        record.setRelId(primitiveId);
      }
      int nrPropBlocks = channel.get();
      assert nrPropBlocks >= 0;
      if (nrPropBlocks > 0) {
        record.setInUse(true);
      }
      while (nrPropBlocks-- > 0) {
        PropertyBlock block = readPropertyBlock();
        if (block == null) {
          return null;
        }
        record.addPropertyBlock(block);
      }

      if (readDynamicRecords(record, PROPERTY_DELETED_DYNAMIC_RECORD_ADDER) == -1) {
        return null;
      }

      if ((inUse && !record.inUse()) || (!inUse && record.inUse())) {
        throw new IllegalStateException(
            "Weird, inUse was read in as " + inUse + " but the record is " + record);
      }
      return record;
    }