io.ray.streaming.runtime.worker.context

类 StreamingRuntimeContext

java.lang.Object

io.ray.streaming.runtime.worker.context.StreamingRuntimeContext

所有已实现的接口:

RuntimeContext

public class StreamingRuntimeContext
extends Object
implements RuntimeContext

Use Ray to implement RuntimeContext.

字段概要

字段

限定符和类型	字段和说明
protected io.ray.streaming.state.backend.KeyStateBackend	keyStateBackend Backend for keyed state.
protected io.ray.streaming.state.backend.OperatorStateBackend	operatorStateBackend Backend for operator state.

构造器概要

构造器

构造器和说明
StreamingRuntimeContext(ExecutionVertex executionVertex, Map<String,String> config, int parallelism)

方法概要

限定符和类型	方法和说明
Long	getCheckpointId()
Map<String,String>	getConfig()
Map<String,String>	getJobConfig()
io.ray.streaming.state.backend.KeyStateBackend	getKeyStateBackend()
<T> io.ray.streaming.state.keystate.state.ListState<T>	getListState(io.ray.streaming.state.keystate.desc.ListStateDescriptor<T> stateDescriptor)
<S,T> io.ray.streaming.state.keystate.state.MapState<S,T>	getMapState(io.ray.streaming.state.keystate.desc.MapStateDescriptor<S,T> stateDescriptor)
int	getParallelism()
int	getTaskId()
int	getTaskIndex()
<T> io.ray.streaming.state.keystate.state.ValueState<T>	getValueState(io.ray.streaming.state.keystate.desc.ValueStateDescriptor<T> stateDescriptor)
void	setCheckpointId(long checkpointId)
void	setCurrentKey(Object key)
void	setKeyStateBackend(io.ray.streaming.state.backend.KeyStateBackend keyStateBackend)
protected void	stateSanityCheck(io.ray.streaming.state.keystate.desc.AbstractStateDescriptor stateDescriptor, io.ray.streaming.state.backend.AbstractKeyStateBackend backend)

从类继承的方法 java.lang.Object

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

字段详细资料

keyStateBackend

protected transient io.ray.streaming.state.backend.KeyStateBackend keyStateBackend

Backend for keyed state. This might be empty if we're not on a keyed stream.

operatorStateBackend

protected transient io.ray.streaming.state.backend.OperatorStateBackend operatorStateBackend

Backend for operator state. This might be empty

构造器详细资料

StreamingRuntimeContext

public StreamingRuntimeContext(ExecutionVertex executionVertex,
                               Map<String,String> config,
                               int parallelism)

方法详细资料

getTaskId

public int getTaskId()

指定者:

getTaskId 在接口中 RuntimeContext

getTaskIndex

public int getTaskIndex()

指定者:

getTaskIndex 在接口中 RuntimeContext

getParallelism

public int getParallelism()

指定者:

getParallelism 在接口中 RuntimeContext

getConfig

public Map<String,String> getConfig()

指定者:

getConfig 在接口中 RuntimeContext

getJobConfig

public Map<String,String> getJobConfig()

指定者:

getJobConfig 在接口中 RuntimeContext

getCheckpointId

public Long getCheckpointId()

指定者:

getCheckpointId 在接口中 RuntimeContext

setCheckpointId

public void setCheckpointId(long checkpointId)

指定者:

setCheckpointId 在接口中 RuntimeContext

setCurrentKey

public void setCurrentKey(Object key)

指定者:

setCurrentKey 在接口中 RuntimeContext

getKeyStateBackend

public io.ray.streaming.state.backend.KeyStateBackend getKeyStateBackend()

指定者:

getKeyStateBackend 在接口中 RuntimeContext

setKeyStateBackend

public void setKeyStateBackend(io.ray.streaming.state.backend.KeyStateBackend keyStateBackend)

指定者:

setKeyStateBackend 在接口中 RuntimeContext

getValueState

public <T> io.ray.streaming.state.keystate.state.ValueState<T> getValueState(io.ray.streaming.state.keystate.desc.ValueStateDescriptor<T> stateDescriptor)

指定者:

getValueState 在接口中 RuntimeContext

getListState

public <T> io.ray.streaming.state.keystate.state.ListState<T> getListState(io.ray.streaming.state.keystate.desc.ListStateDescriptor<T> stateDescriptor)

指定者:

getListState 在接口中 RuntimeContext

getMapState

public <S,T> io.ray.streaming.state.keystate.state.MapState<S,T> getMapState(io.ray.streaming.state.keystate.desc.MapStateDescriptor<S,T> stateDescriptor)

指定者:

getMapState 在接口中 RuntimeContext

stateSanityCheck

protected void stateSanityCheck(io.ray.streaming.state.keystate.desc.AbstractStateDescriptor stateDescriptor,
                                io.ray.streaming.state.backend.AbstractKeyStateBackend backend)