rdblue commented on code in PR #11369:
URL: https://github.com/apache/iceberg/pull/11369#discussion_r1925939554
##########
core/src/main/java/org/apache/iceberg/ContentFileParser.java:
##########
@@ -48,6 +48,97 @@ class ContentFileParser {
private ContentFileParser() {}
+ public static void unboundContentFileToJson(
+ ContentFile<?> contentFile, PartitionSpec spec, JsonGenerator generator)
throws IOException {
+ Preconditions.checkArgument(contentFile != null, "Invalid content file:
null");
+ Preconditions.checkArgument(spec != null, "Invalid partition spec: null");
+ Preconditions.checkArgument(generator != null, "Invalid JSON generator:
null");
+ Preconditions.checkArgument(
+ contentFile.specId() == spec.specId(),
+ "Invalid partition spec id from content file: expected = %s, actual =
%s",
+ spec.specId(),
+ contentFile.specId());
+
+ generator.writeStartObject();
+ // ignore the ordinal position (ContentFile#pos) of the file in a manifest,
+ // as it isn't used and BaseFile constructor doesn't support it.
+
+ generator.writeNumberField(SPEC_ID, contentFile.specId());
+ generator.writeStringField(CONTENT, contentFile.content().name());
+ generator.writeStringField(FILE_PATH, contentFile.path().toString());
+ generator.writeStringField(FILE_FORMAT, contentFile.format().name());
+
+ if (contentFile.partition() != null) {
+ generator.writeFieldName(PARTITION);
+ SingleValueParser.toJson(spec.partitionType(), contentFile.partition(),
generator);
+ }
+
+ generator.writeNumberField(FILE_SIZE, contentFile.fileSizeInBytes());
+
+ metricsToJson(contentFile, generator);
+
+ if (contentFile.keyMetadata() != null) {
+ generator.writeFieldName(KEY_METADATA);
+ SingleValueParser.toJson(DataFile.KEY_METADATA.type(),
contentFile.keyMetadata(), generator);
+ }
+
+ if (contentFile.splitOffsets() != null) {
+ JsonUtil.writeLongArray(SPLIT_OFFSETS, contentFile.splitOffsets(),
generator);
+ }
+
+ if (contentFile.equalityFieldIds() != null) {
+ JsonUtil.writeIntegerArray(EQUALITY_IDS, contentFile.equalityFieldIds(),
generator);
+ }
+
+ if (contentFile.sortOrderId() != null) {
+ generator.writeNumberField(SORT_ORDER_ID, contentFile.sortOrderId());
+ }
+
+ generator.writeEndObject();
+ }
+
+ public static ContentFile<?> unboundContentFileFromJson(JsonNode jsonNode) {
Review Comment:
Can this be package-private?
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