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

Class VectorMapJoinFastBytesHashSetStore.HashSetResult

java.lang.Object

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

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

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

Enclosing class:

VectorMapJoinFastBytesHashSetStore

public static class VectorMapJoinFastBytesHashSetStore.HashSetResult
extends VectorMapJoinHashSetResult

A hash set result for the key. It also has support routines for checking the hash code and key equality. It implements the standard map join hash set result interface.

Constructor Summary

Constructors

Constructor and Description
HashSetResult()

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(VectorMapJoinFastBytesHashSetStore setStore, 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.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

HashSetResult

public HashSetResult()

Method Detail

setKey

public void setKey(VectorMapJoinFastBytesHashSetStore setStore,
                   long refWord)

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

Parameters:

setStore -

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