程序包 org.apache.seatunnel.engine.server.task

类 SeaTunnelTask

java.lang.Object

org.apache.seatunnel.engine.server.task.AbstractTask

org.apache.seatunnel.engine.server.task.SeaTunnelTask

所有已实现的接口:

com.hazelcast.internal.metrics.DynamicMetricsProvider, Serializable, org.apache.seatunnel.api.state.CheckpointListener, org.apache.seatunnel.engine.core.checkpoint.InternalCheckpointListener, Stateful, Task

直接已知子类:

SourceSeaTunnelTask, TransformSeaTunnelTask

public abstract class SeaTunnelTask
extends AbstractTask

另请参阅:

• 序列化表格

字段概要

字段

修饰符和类型	字段	说明
protected List<FlowLifeCycle>	allCycles
protected final Map<Long,List<ActionSubtaskState>>	checkpointStates
protected SeaTunnelTaskState	currState
protected List<org.apache.seatunnel.engine.common.utils.concurrent.CompletableFuture<Void>>	flowFutures
protected int	indexID
protected List<OneInputFlowLifeCycle<org.apache.seatunnel.api.table.type.Record<?>>>	outputs
protected FlowLifeCycle	startFlowLifeCycle

从类继承的字段 org.apache.seatunnel.engine.server.task.AbstractTask

closeCalled, executionContext, jobID, prepareCloseBarrierId, prepareCloseStatus, progress, restoreComplete, startCalled, taskLocation

构造器概要

构造器

构造器	说明
SeaTunnelTask(long jobID, TaskLocation taskID, int indexID, Flow executionFlow)

方法概要

修饰符和类型	方法	说明
void	ack(Barrier barrier)
void	addState(Barrier barrier, ActionStateKey stateKey, List<byte[]> state)
void	close()
protected abstract void	collect()
protected abstract SourceFlowLifeCycle<?,?>	createSourceFlowLifeCycle(org.apache.seatunnel.engine.core.dag.actions.SourceAction<?,?,?> sourceAction, SourceConfig config, org.apache.seatunnel.engine.common.utils.concurrent.CompletableFuture<Void> completableFuture, org.apache.seatunnel.api.common.metrics.MetricsContext metricsContext)
Set<ActionStateKey>	getActionStateKeys()
Set<org.apache.seatunnel.engine.core.job.ConnectorJarIdentifier>	getConnectorPluginJars()
Set<URL>	getJarsUrl()
SeaTunnelMetricsContext	getMetricsContext()
void	init()
void	notifyAllAction(org.apache.seatunnel.common.utils.function.ConsumerWithException<org.apache.seatunnel.engine.core.checkpoint.InternalCheckpointListener> consumer)
void	notifyCheckpointAborted(long checkpointId)
void	notifyCheckpointComplete(long checkpointId)
void	notifyCheckpointEnd(long checkpointId)
void	provideDynamicMetrics(com.hazelcast.internal.metrics.MetricDescriptor descriptor, com.hazelcast.internal.metrics.MetricsCollectionContext context)
void	restoreState(List<ActionSubtaskState> actionStateList)
void	setTaskGroup(TaskGroup group)
protected void	stateProcess()
com.hazelcast.spi.impl.operationservice.impl.InvocationFuture<Object>	triggerSchemaChangeAfterCheckpoint()
com.hazelcast.spi.impl.operationservice.impl.InvocationFuture<Object>	triggerSchemaChangeBeforeCheckpoint()

从类继承的方法 org.apache.seatunnel.engine.server.task.AbstractTask

call, closeCall, getExecutionContext, getTaskID, getTaskLocation, reportTaskStatus, serializeStates, setTaskExecutionContext, startCall, tryClose

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.seatunnel.engine.server.execution.Task

isThreadsShare, triggerBarrier

字段详细资料

currState

protected volatile SeaTunnelTaskState currState

startFlowLifeCycle

protected FlowLifeCycle startFlowLifeCycle

allCycles

protected List<FlowLifeCycle> allCycles

outputs

protected List<OneInputFlowLifeCycle<org.apache.seatunnel.api.table.type.Record<?>>> outputs

flowFutures

protected List<org.apache.seatunnel.engine.common.utils.concurrent.CompletableFuture<Void>> flowFutures

checkpointStates

protected final Map<Long,List<ActionSubtaskState>> checkpointStates

indexID

protected int indexID

构造器详细资料

SeaTunnelTask

public SeaTunnelTask(long jobID,
 TaskLocation taskID,
 int indexID,
 Flow executionFlow)

方法详细资料

init

public void init()
          throws Exception

指定者:

init 在接口中 Task

覆盖:

init 在类中 AbstractTask

抛出:

Exception

stateProcess

protected void stateProcess()
                     throws Exception

抛出:

Exception

setTaskGroup

public void setTaskGroup(TaskGroup group)

createSourceFlowLifeCycle

protected abstract SourceFlowLifeCycle<?,?> createSourceFlowLifeCycle(org.apache.seatunnel.engine.core.dag.actions.SourceAction<?,?,?> sourceAction,
 SourceConfig config,
 org.apache.seatunnel.engine.common.utils.concurrent.CompletableFuture<Void> completableFuture,
 org.apache.seatunnel.api.common.metrics.MetricsContext metricsContext)

collect

protected abstract void collect()
                         throws Exception

抛出:

Exception

getJarsUrl

public Set<URL> getJarsUrl()

指定者:

getJarsUrl 在类中 AbstractTask

getConnectorPluginJars

public Set<org.apache.seatunnel.engine.core.job.ConnectorJarIdentifier> getConnectorPluginJars()

指定者:

getConnectorPluginJars 在类中 AbstractTask

getActionStateKeys

public Set<ActionStateKey> getActionStateKeys()

close

public void close()
           throws IOException

指定者:

close 在接口中 Task

覆盖:

close 在类中 AbstractTask

抛出:

IOException

ack

public void ack(Barrier barrier)

triggerSchemaChangeBeforeCheckpoint

public com.hazelcast.spi.impl.operationservice.impl.InvocationFuture<Object> triggerSchemaChangeBeforeCheckpoint()

triggerSchemaChangeAfterCheckpoint

public com.hazelcast.spi.impl.operationservice.impl.InvocationFuture<Object> triggerSchemaChangeAfterCheckpoint()

addState

public void addState(Barrier barrier,
 ActionStateKey stateKey,
 List<byte[]> state)

notifyCheckpointComplete

public void notifyCheckpointComplete(long checkpointId)
                              throws Exception

抛出:

Exception

notifyCheckpointAborted

public void notifyCheckpointAborted(long checkpointId)
                             throws Exception

抛出:

Exception

notifyCheckpointEnd

public void notifyCheckpointEnd(long checkpointId)
                         throws Exception

抛出:

Exception

notifyAllAction

public void notifyAllAction(org.apache.seatunnel.common.utils.function.ConsumerWithException<org.apache.seatunnel.engine.core.checkpoint.InternalCheckpointListener> consumer)

restoreState

public void restoreState(List<ActionSubtaskState> actionStateList)
                  throws Exception

抛出:

Exception

getMetricsContext

public SeaTunnelMetricsContext getMetricsContext()

provideDynamicMetrics

public void provideDynamicMetrics(com.hazelcast.internal.metrics.MetricDescriptor descriptor,
 com.hazelcast.internal.metrics.MetricsCollectionContext context)