Github user denalex commented on a diff in the pull request: https://github.com/apache/incubator-hawq/pull/1209#discussion_r109264668 --- Diff: pxf/pxf-api/src/main/java/org/apache/hawq/pxf/api/utilities/Utilities.java --- @@ -151,4 +157,78 @@ public static String maskNonPrintables(String input) { } return input.replaceAll("[^a-zA-Z0-9_:/-]", "."); } + + /** + * Parses input data and returns fragment metadata. + * + * @param inputData input data which has protocol information + * @return fragment metadata + * @throws IllegalArgumentException if fragment metadata information wasn't found in input data + * @throws Exception + */ + public static FragmentMetadata parseFragmentMetadata(InputData inputData) throws Exception { + byte[] serializedLocation = inputData.getFragmentMetadata(); + if (serializedLocation == null) { + throw new IllegalArgumentException("Missing fragment location information"); + } + try (ByteArrayInputStream bytesStream = new ByteArrayInputStream(serializedLocation); --- End diff -- since you're not using bytesStream directly, can collapse to ObjectInputStream objectStream = new ObjectInputStream( new ByteArrayInputStream(serializedLocation))
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