rkhachatryan commented on a change in pull request #12120:
URL: https://github.com/apache/flink/pull/12120#discussion_r425605033
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/api/serialization/NonSpanningWrapper.java
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@@ -290,4 +309,49 @@ public int read(byte[] b, int off, int len) {
public int read(byte[] b) {
return read(b, 0, b.length);
}
+
+ ByteBuffer wrapIntoByteBuffer() {
+ return segment.wrap(position, remaining());
+ }
+
+ int copyContentTo(byte[] dst) {
+ final int numBytesChunk = remaining();
+ segment.get(position, dst, 0, numBytesChunk);
+ return numBytesChunk;
+ }
+
+ /**
+ * Copies the data and transfers the "ownership" (i.e. clears current
wrapper).
+ */
+ void transferTo(ByteBuffer dst) {
+ segment.get(position, dst, remaining());
+ clear();
+ }
+
+ Tuple2<DeserializationResult, Integer> getNextRecord(IOReadableWritable
target) throws IOException {
+ int recordLen = readInt();
+ if (canReadRecord(recordLen)) {
+ return readInto(target);
+ } else {
+ return new Tuple2<>(PARTIAL_RECORD, recordLen);
+ }
+ }
Review comment:
I'll create a POJO and will reuse the instance (it's a single thread).
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