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

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

All Known Implementing Classes:

AdaptiveSpanningRecordDeserializer, 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

Method Summary

Modifier and Type	Method and Description
void	clear()
Buffer	getCurrentBuffer()
RecordDeserializer.DeserializationResult	getNextRecord(T target)
boolean	hasUnfinishedData()
void	setNextBuffer(Buffer buffer)
void	setNextMemorySegment(org.apache.flink.core.memory.MemorySegment segment, int numBytes)
void	setReporter(AccumulatorRegistry.Reporter reporter) Setter for the reporter, e.g.

Method Detail

getNextRecord

RecordDeserializer.DeserializationResult getNextRecord(T target)
                                                throws IOException

Throws:

IOException

setNextMemorySegment

void setNextMemorySegment(org.apache.flink.core.memory.MemorySegment segment,
                          int numBytes)
                   throws IOException

Throws:

IOException

setNextBuffer

void setNextBuffer(Buffer buffer)
            throws IOException

Throws:

IOException

getCurrentBuffer

Buffer getCurrentBuffer()

clear

void clear()

hasUnfinishedData

boolean hasUnfinishedData()

setReporter

void setReporter(AccumulatorRegistry.Reporter reporter)

Setter for the reporter, e.g. for the number of records emitted and the number of bytes read.