BasicWorkProcessorOperatorAdapter (trino-main 436 API)

java.lang.Object

io.trino.operator.BasicWorkProcessorOperatorAdapter

All Implemented Interfaces:: WorkProcessorOperator, WorkProcessorOperatorAdapter.AdapterWorkProcessorOperator, AutoCloseable

public class BasicWorkProcessorOperatorAdapter extends Object implements WorkProcessorOperatorAdapter.AdapterWorkProcessorOperator

This WorkProcessorOperator adapter allows to adapt WorkProcessor operators that do not require special input handling (e.g. streaming operators).

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

static interface

BasicWorkProcessorOperatorAdapter.BasicAdapterWorkProcessorOperatorFactory
Method Summary

Modifier and Type

Method

Description

void

addInput(Page page)

void

close()

static OperatorFactory

createAdapterOperatorFactory(BasicWorkProcessorOperatorAdapter.BasicAdapterWorkProcessorOperatorFactory operatorFactory)

void

finish()

Metrics

getMetrics()

Optional<OperatorInfo>

getOperatorInfo()

Returns OperatorInfo.

WorkProcessor<Page>

getOutputPages()

boolean

needsInput()

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

Method Details
- createAdapterOperatorFactory
  
  public static OperatorFactory createAdapterOperatorFactory(BasicWorkProcessorOperatorAdapter.BasicAdapterWorkProcessorOperatorFactory operatorFactory)
- finish
  
  public void finish()
  
  Specified by:
  
  finish in interface WorkProcessorOperatorAdapter.AdapterWorkProcessorOperator
- needsInput
  
  public boolean needsInput()
  
  Specified by:
  
  needsInput in interface WorkProcessorOperatorAdapter.AdapterWorkProcessorOperator
- addInput
  
  public void addInput(Page page)
  
  Specified by:
  
  addInput in interface WorkProcessorOperatorAdapter.AdapterWorkProcessorOperator
- getOutputPages
  
  public WorkProcessor<Page> getOutputPages()
  
  Specified by:
  
  getOutputPages in interface WorkProcessorOperator
- getOperatorInfo
  
  public Optional<OperatorInfo> getOperatorInfo()
  
  Description copied from interface: WorkProcessorOperator
  
  Returns OperatorInfo. This method must be thread safe. This method might be called after operator is closed to obtain final OperatorInfo.
  
  Specified by:
  
  getOperatorInfo in interface WorkProcessorOperator
- close
  
  public void close() throws Exception
  
  Specified by:
  
  close in interface AutoCloseable
  
  Specified by:
  
  close in interface WorkProcessorOperator
  
  Throws:
  
  Exception
- getMetrics
  
  public Metrics getMetrics()
  
  Specified by:
  
  getMetrics in interface WorkProcessorOperator