org.apache.flink.table.runtime.operators.sort

Class BinaryKVInMemorySortBuffer

java.lang.Object

org.apache.flink.table.runtime.operators.sort.BinaryIndexedSortable

org.apache.flink.table.runtime.operators.sort.BinaryKVInMemorySortBuffer

All Implemented Interfaces:

org.apache.flink.runtime.operators.sort.IndexedSortable

public class BinaryKVInMemorySortBuffer
extends BinaryIndexedSortable

In memory KV sortable buffer for binary row, it already has records in memory.

Field Summary

Fields inherited from class org.apache.flink.table.runtime.operators.sort.BinaryIndexedSortable

currentSortIndexOffset, currentSortIndexSegment, indexEntrySize, lastIndexEntryOffset, memorySegmentPool, numRecords, OFFSET_LEN, recordBuffer, row1, serializer, serializer1, sortIndex

Method Summary

Modifier and Type	Method and Description
static BinaryKVInMemorySortBuffer	createBuffer(NormalizedKeyComputer normalizedKeyComputer, BinaryRowDataSerializer keySerializer, BinaryRowDataSerializer valueSerializer, RecordComparator comparator, ArrayList<org.apache.flink.core.memory.MemorySegment> recordBufferSegments, long numElements, MemorySegmentPool pool)
org.apache.flink.util.MutableObjectIterator<org.apache.flink.api.java.tuple.Tuple2<org.apache.flink.table.data.binary.BinaryRowData,org.apache.flink.table.data.binary.BinaryRowData>>	getIterator() Gets an iterator over all KV records in this buffer in their logical order.
void	writeToOutput(org.apache.flink.runtime.memory.AbstractPagedOutputView output) Spill: Write all records to a AbstractPagedOutputView.

Methods inherited from class org.apache.flink.table.runtime.operators.sort.BinaryIndexedSortable

checkNextIndexOffset, compare, compare, nextMemorySegment, recordSize, recordsPerSegment, size, swap, swap, writeIndexAndNormalizedKey

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createBuffer

public static BinaryKVInMemorySortBuffer createBuffer(NormalizedKeyComputer normalizedKeyComputer,
                                                      BinaryRowDataSerializer keySerializer,
                                                      BinaryRowDataSerializer valueSerializer,
                                                      RecordComparator comparator,
                                                      ArrayList<org.apache.flink.core.memory.MemorySegment> recordBufferSegments,
                                                      long numElements,
                                                      MemorySegmentPool pool)
                                               throws IOException

Throws:

IOException

writeToOutput

public void writeToOutput(org.apache.flink.runtime.memory.AbstractPagedOutputView output)
                   throws IOException

Description copied from class: BinaryIndexedSortable

Spill: Write all records to a AbstractPagedOutputView.

Overrides:

writeToOutput in class BinaryIndexedSortable

Throws:

IOException

getIterator

public final org.apache.flink.util.MutableObjectIterator<org.apache.flink.api.java.tuple.Tuple2<org.apache.flink.table.data.binary.BinaryRowData,org.apache.flink.table.data.binary.BinaryRowData>> getIterator()

Gets an iterator over all KV records in this buffer in their logical order.

Returns:

An iterator returning the records in their logical order.