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

Class VectorMapJoinFastBytesHashTable

java.lang.Object

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

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

All Implemented Interfaces:

VectorMapJoinBytesHashTable, VectorMapJoinHashTable

Direct Known Subclasses:

VectorMapJoinFastBytesHashMap, VectorMapJoinFastBytesHashMultiSet, VectorMapJoinFastBytesHashSet

public abstract class VectorMapJoinFastBytesHashTable
extends VectorMapJoinFastHashTable
implements VectorMapJoinBytesHashTable

Field Summary

Fields

Modifier and Type	Field and Description
protected VectorMapJoinFastKeyStore	keyStore
protected long[]	slotTriples

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.mapjoin.fast.VectorMapJoinFastHashTable

keysAssigned, largestNumberOfSteps, loadFactor, logicalHashBucketCount, logicalHashBucketMask, metricExpands, metricPutConflict, resizeThreshold, writeBuffersSize

Constructor Summary

Constructors

Constructor and Description
VectorMapJoinFastBytesHashTable(int initialCapacity, float loadFactor, int writeBuffersSize)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(byte[] keyBytes, int keyStart, int keyLength, org.apache.hadoop.io.BytesWritable currentValue)
protected abstract void	assignSlot(int slot, byte[] keyBytes, int keyStart, int keyLength, long hashCode, boolean isNewKey, org.apache.hadoop.io.BytesWritable currentValue)
protected long	findReadSlot(byte[] keyBytes, int keyStart, int keyLength, long hashCode)
void	putRow(byte[] currentKey, byte[] currentValue)
void	putRow(org.apache.hadoop.io.BytesWritable currentKey, org.apache.hadoop.io.BytesWritable currentValue)

Methods inherited from class java.lang.Object

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

Field Detail

keyStore

protected VectorMapJoinFastKeyStore keyStore

slotTriples

protected long[] slotTriples

Constructor Detail

VectorMapJoinFastBytesHashTable

public VectorMapJoinFastBytesHashTable(int initialCapacity,
                               float loadFactor,
                               int writeBuffersSize)

Method Detail

putRow

public void putRow(org.apache.hadoop.io.BytesWritable currentKey,
          org.apache.hadoop.io.BytesWritable currentValue)
            throws HiveException,
                   IOException

Specified by:

putRow in interface VectorMapJoinHashTable

Throws:

HiveException

IOException

putRow

public void putRow(byte[] currentKey,
          byte[] currentValue)
            throws HiveException,
                   IOException

Throws:

HiveException

IOException

assignSlot

protected abstract void assignSlot(int slot,
              byte[] keyBytes,
              int keyStart,
              int keyLength,
              long hashCode,
              boolean isNewKey,
              org.apache.hadoop.io.BytesWritable currentValue)

add

public void add(byte[] keyBytes,
       int keyStart,
       int keyLength,
       org.apache.hadoop.io.BytesWritable currentValue)

findReadSlot

protected long findReadSlot(byte[] keyBytes,
                int keyStart,
                int keyLength,
                long hashCode)