org.apache.flink.runtime.operators.chaining

类 ChainedDriver<IT,OT>

java.lang.Object

org.apache.flink.runtime.operators.chaining.ChainedDriver<IT,OT>

所有已实现的接口:

org.apache.flink.util.Collector<IT>

直接已知子类:

ChainedAllReduceDriver, ChainedFlatMapDriver, ChainedMapDriver, ChainedReduceCombineDriver, NoOpChainedDriver, SynchronousChainedCombineDriver

public abstract class ChainedDriver<IT,OT>
extends Object
implements org.apache.flink.util.Collector<IT>

The interface to be implemented by drivers that do not run in an own task context, but are chained to other tasks.

字段概要

字段

限定符和类型	字段和说明
protected TaskConfig	config
protected org.apache.flink.api.common.ExecutionConfig	executionConfig
protected InternalOperatorMetricGroup	metrics
protected org.apache.flink.metrics.Counter	numRecordsIn
protected org.apache.flink.metrics.Counter	numRecordsOut
protected boolean	objectReuseEnabled
protected org.apache.flink.util.Collector<OT>	outputCollector
protected String	taskName
protected ClassLoader	userCodeClassLoader

构造器概要

构造器

构造器和说明
ChainedDriver()

方法概要

限定符和类型	方法和说明
abstract void	cancelTask()
abstract void	closeTask()
abstract void	collect(IT record)
InternalOperatorIOMetricGroup	getIOMetrics()
org.apache.flink.util.Collector<OT>	getOutputCollector()
abstract org.apache.flink.api.common.functions.Function	getStub()
TaskConfig	getTaskConfig()
abstract String	getTaskName()
protected org.apache.flink.api.common.functions.RuntimeContext	getUdfRuntimeContext()
abstract void	openTask()
void	setOutputCollector(org.apache.flink.util.Collector<?> outputCollector)
abstract void	setup(AbstractInvokable parent)
void	setup(TaskConfig config, String taskName, org.apache.flink.util.Collector<OT> outputCollector, AbstractInvokable parent, org.apache.flink.util.UserCodeClassLoader userCodeClassLoader, org.apache.flink.api.common.ExecutionConfig executionConfig, Map<String,org.apache.flink.api.common.accumulators.Accumulator<?,?>> accumulatorMap)

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.util.Collector

close

字段详细资料

config

protected TaskConfig config

taskName

protected String taskName

outputCollector

protected org.apache.flink.util.Collector<OT> outputCollector

userCodeClassLoader

protected ClassLoader userCodeClassLoader

executionConfig

protected org.apache.flink.api.common.ExecutionConfig executionConfig

objectReuseEnabled

protected boolean objectReuseEnabled

metrics

protected InternalOperatorMetricGroup metrics

numRecordsIn

protected org.apache.flink.metrics.Counter numRecordsIn

numRecordsOut

protected org.apache.flink.metrics.Counter numRecordsOut

构造器详细资料

ChainedDriver

public ChainedDriver()

方法详细资料

setup

public void setup(TaskConfig config,
                  String taskName,
                  org.apache.flink.util.Collector<OT> outputCollector,
                  AbstractInvokable parent,
                  org.apache.flink.util.UserCodeClassLoader userCodeClassLoader,
                  org.apache.flink.api.common.ExecutionConfig executionConfig,
                  Map<String,org.apache.flink.api.common.accumulators.Accumulator<?,?>> accumulatorMap)

setup

public abstract void setup(AbstractInvokable parent)

openTask

public abstract void openTask()
                       throws Exception

抛出:

Exception

closeTask

public abstract void closeTask()
                        throws Exception

抛出:

Exception

cancelTask

public abstract void cancelTask()

getStub

public abstract org.apache.flink.api.common.functions.Function getStub()

getTaskName

public abstract String getTaskName()

collect

public abstract void collect(IT record)

指定者:

collect 在接口中 org.apache.flink.util.Collector<IT>

getIOMetrics

public InternalOperatorIOMetricGroup getIOMetrics()

getUdfRuntimeContext

protected org.apache.flink.api.common.functions.RuntimeContext getUdfRuntimeContext()

setOutputCollector

public void setOutputCollector(org.apache.flink.util.Collector<?> outputCollector)

getOutputCollector

public org.apache.flink.util.Collector<OT> getOutputCollector()

getTaskConfig

public TaskConfig getTaskConfig()