Package org.apache.iotdb.confignode.manager.pipe.agent.task

Class PipeConfigNodeSubtask

java.lang.Object

org.apache.iotdb.commons.pipe.agent.task.subtask.PipeSubtask

org.apache.iotdb.commons.pipe.agent.task.subtask.PipeReportableSubtask

org.apache.iotdb.commons.pipe.agent.task.subtask.PipeAbstractConnectorSubtask

org.apache.iotdb.confignode.manager.pipe.agent.task.PipeConfigNodeSubtask

All Implemented Interfaces:

com.google.common.util.concurrent.FutureCallback<Boolean>, AutoCloseable, Callable<Boolean>

public class PipeConfigNodeSubtask
extends PipeAbstractConnectorSubtask

Field Summary

Fields inherited from class org.apache.iotdb.commons.pipe.agent.task.subtask.PipeAbstractConnectorSubtask

isSubmitted, lastExceptionEvent, outputPipeConnector, subtaskCallbackListeningExecutor

Fields inherited from class org.apache.iotdb.commons.pipe.agent.task.subtask.PipeReportableSubtask

highPriorityLockTaskCount

Fields inherited from class org.apache.iotdb.commons.pipe.agent.task.subtask.PipeSubtask

creationTime, isClosed, lastEvent, MAX_RETRY_TIMES, retryCount, shouldStopSubmittingSelf, subtaskScheduler, subtaskWorkerThreadPoolExecutor, taskID

Constructor Summary

Constructors

Constructor	Description
PipeConfigNodeSubtask(String pipeName, long creationTime, Map<String,String> extractorAttributes, Map<String,String> processorAttributes, Map<String,String> connectorAttributes, PipeTaskMeta pipeTaskMeta)

Method Summary

Modifier and Type	Method	Description
void	close()
protected boolean	executeOnce()	Try to consume an Event by the IoTDBConfigRegionExtractor.
String	getPipeName()
protected String	getRootCause(Throwable throwable)
protected void	report(EnrichedEvent event, PipeRuntimeException exception)

Methods inherited from class org.apache.iotdb.commons.pipe.agent.task.subtask.PipeAbstractConnectorSubtask

bindExecutors, clearReferenceCountAndReleaseLastExceptionEvent, onFailure, onSuccess, registerCallbackHookAfterSubmit, setLastExceptionEvent, submitSelf

Methods inherited from class org.apache.iotdb.commons.pipe.agent.task.subtask.PipeReportableSubtask

decreaseHighPriorityTaskCount, increaseHighPriorityTaskCount, preScheduleLowPriorityTask, sleepIfNoHighPriorityTask

Methods inherited from class org.apache.iotdb.commons.pipe.agent.task.subtask.PipeSubtask

allowSubmittingSelf, call, clearReferenceCountAndReleaseLastEvent, decreaseReferenceCountAndReleaseLastEvent, disallowSubmittingSelf, getCreationTime, getTaskID, isSubmittingSelf, setLastEvent

Methods inherited from class java.lang.Object

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

Constructor Details

PipeConfigNodeSubtask

public PipeConfigNodeSubtask(String pipeName,
 long creationTime,
 Map<String,String> extractorAttributes,
 Map<String,String> processorAttributes,
 Map<String,String> connectorAttributes,
 PipeTaskMeta pipeTaskMeta)
                      throws Exception

Throws:

Exception

Method Details

executeOnce

protected boolean executeOnce()
                       throws Exception

Try to consume an Event by the IoTDBConfigRegionExtractor.

Specified by:

executeOnce in class PipeSubtask

Returns:

true if the Event is consumed successfully, false if no more Event can be consumed

Throws:

Exception - if any error occurs when consuming the Event

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class PipeSubtask

getRootCause

protected String getRootCause(Throwable throwable)

Specified by:

getRootCause in class PipeReportableSubtask

report

protected void report(EnrichedEvent event,
 PipeRuntimeException exception)

Specified by:

report in class PipeReportableSubtask

getPipeName

public String getPipeName()