private static int firstMatchingBranch()

in lang/java/avro/src/main/java/org/apache/avro/Resolver.java [632:707]
68 lines of code
28 McCabe index (conditional complexity)

    private static int firstMatchingBranch(Schema w, Schema r, GenericData d, Map<SeenPair, Action> seen) {
      final Schema.Type vt = w.getType();
      // first scan for exact match
      int j = 0;
      int structureMatch = -1;
      for (Schema b : r.getTypes()) {
        if (vt == b.getType()) {
          if (vt == Schema.Type.RECORD || vt == Schema.Type.ENUM || vt == Schema.Type.FIXED) {
            final String vname = w.getFullName();
            final String bname = b.getFullName();
            // return immediately if the name matches exactly according to spec
            if (vname != null && vname.equals(bname))
              return j;

            if (vt == Schema.Type.RECORD && !hasMatchError(RecordAdjust.resolve(w, b, d, seen))) {
              final String vShortName = w.getName();
              final String bShortName = b.getName();
              // use the first structure match or one where the name matches
              if ((structureMatch < 0) || (vShortName != null && vShortName.equals(bShortName))) {
                structureMatch = j;
              }
            }
          } else {
            return j;
          }
        }
        j++;
      }

      // if there is a record structure match, return it
      if (structureMatch >= 0) {
        return structureMatch;
      }

      // then scan match via numeric promotion
      j = 0;
      for (Schema b : r.getTypes()) {
        switch (vt) {
        case INT:
          switch (b.getType()) {
          case LONG:
          case DOUBLE:
          case FLOAT:
            return j;
          }
          break;
        case LONG:
          switch (b.getType()) {
          case DOUBLE:
          case FLOAT:
            return j;
          }
          break;
        case FLOAT:
          switch (b.getType()) {
          case DOUBLE:
            return j;
          }
          break;
        case STRING:
          switch (b.getType()) {
          case BYTES:
            return j;
          }
          break;
        case BYTES:
          switch (b.getType()) {
          case STRING:
            return j;
          }
          break;
        }
        j++;
      }
      return -1;
    }