private Object get()

in core/src/main/java/org/apache/iceberg/V3Metadata.java [88:163]
67 lines of code
22 McCabe index (conditional complexity)

    private Object get(int pos) {
      switch (pos) {
        case 0:
          return wrapped.path();
        case 1:
          return wrapped.length();
        case 2:
          return wrapped.partitionSpecId();
        case 3:
          return wrapped.content().id();
        case 4:
          if (wrapped.sequenceNumber() == ManifestWriter.UNASSIGNED_SEQ) {
            // if the sequence number is being assigned here, then the manifest must be created by
            // the current
            // operation. to validate this, check that the snapshot id matches the current commit
            Preconditions.checkState(
                commitSnapshotId == wrapped.snapshotId(),
                "Found unassigned sequence number for a manifest from snapshot: %s",
                wrapped.snapshotId());
            return sequenceNumber;
          } else {
            return wrapped.sequenceNumber();
          }
        case 5:
          if (wrapped.minSequenceNumber() == ManifestWriter.UNASSIGNED_SEQ) {
            // same sanity check as above
            Preconditions.checkState(
                commitSnapshotId == wrapped.snapshotId(),
                "Found unassigned sequence number for a manifest from snapshot: %s",
                wrapped.snapshotId());
            // if the min sequence number is not determined, then there was no assigned sequence
            // number for any file
            // written to the wrapped manifest. replace the unassigned sequence number with the one
            // for this commit
            return sequenceNumber;
          } else {
            return wrapped.minSequenceNumber();
          }
        case 6:
          return wrapped.snapshotId();
        case 7:
          return wrapped.addedFilesCount();
        case 8:
          return wrapped.existingFilesCount();
        case 9:
          return wrapped.deletedFilesCount();
        case 10:
          return wrapped.addedRowsCount();
        case 11:
          return wrapped.existingRowsCount();
        case 12:
          return wrapped.deletedRowsCount();
        case 13:
          return wrapped.partitions();
        case 14:
          return wrapped.keyMetadata();
        case 15:
          if (wrappedFirstRowId != null) {
            // if first-row-id is assigned, ensure that it is valid
            Preconditions.checkState(
                wrapped.content() == ManifestContent.DATA && wrapped.firstRowId() == null,
                "Found invalid first-row-id assignment: %s",
                wrapped);
            return wrappedFirstRowId;
          } else if (wrapped.content() != ManifestContent.DATA) {
            return null;
          } else {
            Preconditions.checkState(
                wrapped.firstRowId() != null,
                "Found unassigned first-row-id for file: " + wrapped.path());
            return wrapped.firstRowId();
          }
        default:
          throw new UnsupportedOperationException("Unknown field ordinal: " + pos);
      }
    }