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

类 AbstractTask

java.lang.Object

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

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:

CoordinatorTask, SeaTunnelTask

public abstract class AbstractTask
extends Object
implements Task

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 boolean	closeCalled
protected TaskExecutionContext	executionContext
protected long	jobID
protected AtomicLong	prepareCloseBarrierId
protected boolean	prepareCloseStatus
protected Progress	progress
protected CompletableFuture<Void>	restoreComplete
protected boolean	startCalled
protected TaskLocation	taskLocation

构造器概要

构造器

构造器	说明
AbstractTask(long jobID, TaskLocation taskLocation)

方法概要

修饰符和类型	方法	说明
abstract @NonNull ProgressState	call()
void	close()
void	closeCall()
abstract Set<org.apache.seatunnel.engine.core.job.ConnectorJarIdentifier>	getConnectorPluginJars()
TaskExecutionContext	getExecutionContext()
abstract Set<URL>	getJarsUrl()
@NonNull Long	getTaskID()
TaskLocation	getTaskLocation()
void	init()
protected void	reportTaskStatus(SeaTunnelTaskState status)
static <T> List<byte[]>	serializeStates(org.apache.seatunnel.api.serialization.Serializer<T> serializer, List<T> states)
void	setTaskExecutionContext(TaskExecutionContext taskExecutionContext)
void	startCall()
void	tryClose(long checkpointId)

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.core.checkpoint.InternalCheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete, notifyCheckpointEnd

从接口继承的方法 org.apache.seatunnel.engine.server.execution.Task

getMetricsContext, isThreadsShare, provideDynamicMetrics, restoreState, triggerBarrier

字段详细资料

executionContext

protected TaskExecutionContext executionContext

jobID

protected final long jobID

taskLocation

protected final TaskLocation taskLocation

restoreComplete

protected volatile CompletableFuture<Void> restoreComplete

startCalled

protected volatile boolean startCalled

closeCalled

protected volatile boolean closeCalled

prepareCloseStatus

protected volatile boolean prepareCloseStatus

prepareCloseBarrierId

protected AtomicLong prepareCloseBarrierId

progress

protected Progress progress

构造器详细资料

AbstractTask

public AbstractTask(long jobID,
                    TaskLocation taskLocation)

方法详细资料

getJarsUrl

public abstract Set<URL> getJarsUrl()

getConnectorPluginJars

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

setTaskExecutionContext

public void setTaskExecutionContext(TaskExecutionContext taskExecutionContext)

指定者:

setTaskExecutionContext 在接口中 Task

getExecutionContext

public TaskExecutionContext getExecutionContext()

指定者:

getExecutionContext 在接口中 Task

init

public void init()
          throws Exception

指定者:

init 在接口中 Task

抛出:

Exception

call

@NonNull
public abstract @NonNull ProgressState call()
                                     throws Exception

指定者:

call 在接口中 Task

抛出:

Exception

getTaskLocation

public TaskLocation getTaskLocation()

getTaskID

@NonNull
public @NonNull Long getTaskID()

指定者:

getTaskID 在接口中 Task

close

public void close()
           throws IOException

指定者:

close 在接口中 Task

抛出:

IOException

reportTaskStatus

protected void reportTaskStatus(SeaTunnelTaskState status)

serializeStates

public static <T> List<byte[]> serializeStates(org.apache.seatunnel.api.serialization.Serializer<T> serializer,
                                               List<T> states)

startCall

public void startCall()

tryClose

public void tryClose(long checkpointId)

closeCall

public void closeCall()