org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast

Class VectorMapJoinFastBytesHashMultiSetStore.HashMultiSetResult

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashTableResult

org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashMultiSetResult

org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastBytesHashMultiSetStore.HashMultiSetResult

Enclosing class:

VectorMapJoinFastBytesHashMultiSetStore

public static class VectorMapJoinFastBytesHashMultiSetStore.HashMultiSetResult
extends VectorMapJoinHashMultiSetResult

A hash multi-set result that can read the set membership count for the key. It also has support routines for checking the hash code and key equality. It implements the standard map join hash multi-set result interface.

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashMultiSetResult

count

Constructor Summary

Constructors

Constructor and Description
HashMultiSetResult()

Method Summary

Modifier and Type	Method and Description
boolean	equalKey(byte[] keyBytes, int keyStart, int keyLength) Compare a key with the key positioned with the setKey method.
void	setContains() Mark the key matched with equalKey as a match and read the set membership count, if necessary.
void	setKey(VectorMapJoinFastBytesHashMultiSetStore multiSetStore, long refWord) Setup for reading the key of an entry with the equalKey method.
String	toString()

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashMultiSetResult

count

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.hashtable.VectorMapJoinHashTableResult

forget, getReadPos, joinResult, setJoinResult, setSpillPartitionId, spillPartitionId

Methods inherited from class java.lang.Object

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

Constructor Detail

HashMultiSetResult

public HashMultiSetResult()

Method Detail

setKey

public void setKey(VectorMapJoinFastBytesHashMultiSetStore multiSetStore,
                   long refWord)

Setup for reading the key of an entry with the equalKey method.

Parameters:

multiSetStore -

refWord -

equalKey

public boolean equalKey(byte[] keyBytes,
                        int keyStart,
                        int keyLength)

Compare a key with the key positioned with the setKey method.

Parameters:

keyBytes -

keyStart -

keyLength -

Returns:

setContains

public void setContains()

Mark the key matched with equalKey as a match and read the set membership count, if necessary.

toString

public String toString()

Overrides:

toString in class VectorMapJoinHashTableResult