org.apache.flink.runtime.io.network.api.serialization

Interface RecordDeserializer<T extends org.apache.flink.core.io.IOReadableWritable>

All Known Implementing Classes:

SpillingAdaptiveSpanningRecordDeserializer

public interface RecordDeserializer<T extends org.apache.flink.core.io.IOReadableWritable>

Interface for turning sequences of memory segments into records.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	RecordDeserializer.DeserializationResult Status of the deserialization result.

Method Summary

Modifier and Type	Method and Description
void	clear()
RecordDeserializer.DeserializationResult	getNextRecord(T target)
org.apache.flink.util.CloseableIterator<Buffer>	getUnconsumedBuffer() Gets the unconsumed buffer which needs to be persisted in unaligned checkpoint scenario.
void	setNextBuffer(Buffer buffer)

Method Detail

getNextRecord

RecordDeserializer.DeserializationResult getNextRecord(T target)
                                                throws IOException

Throws:

IOException

setNextBuffer

void setNextBuffer(Buffer buffer)
            throws IOException

Throws:

IOException

clear

void clear()

getUnconsumedBuffer

org.apache.flink.util.CloseableIterator<Buffer> getUnconsumedBuffer()
                                                             throws IOException

Gets the unconsumed buffer which needs to be persisted in unaligned checkpoint scenario.

Note that the unconsumed buffer might be null if the whole buffer was already consumed before and there are no partial length or data remained in the end of buffer.

Throws:

IOException