org.apache.flink.table.runtime.util.collections.binary

Class BytesHashMap

java.lang.Object

org.apache.flink.table.runtime.util.collections.binary.BytesMap<K,BinaryRowData>

org.apache.flink.table.runtime.util.collections.binary.AbstractBytesHashMap<BinaryRowData>

org.apache.flink.table.runtime.util.collections.binary.BytesHashMap

public final class BytesHashMap
extends AbstractBytesHashMap<BinaryRowData>

A binary map in the structure like Map<BinaryRowData, BinaryRowData>.

BytesHashMap is influenced by Apache Spark BytesToBytesMap.

See Also:

for more information about the binary layout.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.table.runtime.util.collections.binary.BytesMap

BytesMap.LookupInfo<K,V>

Field Summary

Fields inherited from class org.apache.flink.table.runtime.util.collections.binary.AbstractBytesHashMap

keySerializer

Fields inherited from class org.apache.flink.table.runtime.util.collections.binary.BytesMap

BUCKET_SIZE, BUCKET_SIZE_BITS, bucketSegments, ELEMENT_POINT_LENGTH, END_OF_LIST, growthThreshold, INIT_BUCKET_MEMORY_IN_BYTES, lastBucketPosition, LOAD_FACTOR, log2NumBuckets, memoryPool, numBucketsMask, numBucketsMask2, numBucketsPerSegment, numBucketsPerSegmentBits, numBucketsPerSegmentMask, numElements, numSpillFiles, RECORD_EXTRA_LENGTH, recordArea, reservedNumBuffers, reusedKey, reusedValue, segmentSize, spillInBytes, STEP_INCREMENT

Constructor Summary

Constructors

Constructor and Description
BytesHashMap(Object owner, MemoryManager memoryManager, long memorySize, LogicalType[] keyTypes, LogicalType[] valueTypes)

Method Summary

Methods inherited from class org.apache.flink.table.runtime.util.collections.binary.AbstractBytesHashMap

append, free, free, getBucketAreaMemorySegments, getEntryIterator, getNumElements, getNumKeys, getNumSpillFiles, getRecordAreaMemorySegments, getSpillInBytes, getUsedMemoryInBytes, reset

Methods inherited from class org.apache.flink.table.runtime.util.collections.binary.BytesMap

calcSecondHashCode, growAndRehash, initBucketSegments, lookup, resetBucketSegments, returnSegments

Methods inherited from class java.lang.Object

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

Constructor Detail

BytesHashMap

public BytesHashMap(Object owner,
                    MemoryManager memoryManager,
                    long memorySize,
                    LogicalType[] keyTypes,
                    LogicalType[] valueTypes)