Github user mxm commented on a diff in the pull request: https://github.com/apache/flink/pull/934#discussion_r35635367 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/util/SerializedValue.java --- @@ -57,6 +60,25 @@ public T deserializeValue(ClassLoader loader) throws IOException, ClassNotFoundE return serializedData == null ? null : (T) InstantiationUtil.deserializeObject(serializedData, loader); } + /** + * Gets the content of the value in a byte array. + * @return the byte array backing the content of the object. + * */ + public byte[] getSerializedData() { + return serializedData; + } + + /** + * Gets the size of the serialized content. + * @return the size in bytes of the data stored in the blob. + * */ + public long getSizeInBytes() { + if(serializedData == null) { + throw new RuntimeException("No data in this Blob."); --- End diff -- This Exception message is not general enough for the `SerializedValue` class.
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