LocalPartitionGenerator (presto-main 345 API)

java.lang.Object
- io.prestosql.operator.exchange.LocalPartitionGenerator

All Implemented Interfaces:: PartitionFunction

public class LocalPartitionGenerator
extends Object
implements PartitionFunction

Constructor Summary

Constructors
Constructor Description

LocalPartitionGenerator(HashGenerator hashGenerator, int partitionCount)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getPartition(long rawHash)`
`int`	`getPartition(Page page, int position)`
`int`	`getPartitionCount()`
`long`	`getRawHash(Page page, int position)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LocalPartitionGenerator

public LocalPartitionGenerator(HashGenerator hashGenerator,
                               int partitionCount)

Method Detail
- getPartitionCount
```
public int getPartitionCount()
```
  Specified by:
  
  getPartitionCount in interface PartitionFunction
- getPartition
```
public int getPartition(Page page,
                        int position)
```
  Specified by:
  
  getPartition in interface PartitionFunction
  
  Parameters:
  
  page - the arguments to bucketing function in order (no extra columns)
- getRawHash
```
public long getRawHash(Page page,
                       int position)
```
- getPartition
```
public int getPartition(long rawHash)
```