T
- The type of the input elements@Deprecated public class ExtractTimestampsOperator<T> extends AbstractUdfStreamOperator<T,TimestampExtractor<T>> implements OneInputStreamOperator<T,T>, Triggerable
StreamOperator
for extracting timestamps
from user elements and assigning them as the internal timestamp of the StreamRecord
.userFunction
chainingStrategy, LOG, output
Constructor and Description |
---|
ExtractTimestampsOperator(TimestampExtractor<T> extractor)
Deprecated.
|
Modifier and Type | Method and Description |
---|---|
void |
open()
Deprecated.
This method is called immediately before any elements are processed, it should contain the
operator's initialization logic.
|
void |
processElement(StreamRecord<T> element)
Deprecated.
Processes one element that arrived at this operator.
|
void |
processWatermark(Watermark mark)
Deprecated.
Processes a
Watermark . |
void |
trigger(long timestamp)
Deprecated.
This method is invoked with the timestamp for which the trigger was scheduled.
|
close, dispose, getUserFunction, getUserFunctionParameters, notifyOfCompletedCheckpoint, restoreState, setOutputType, setup, snapshotOperatorState
disableInputCopy, getChainingStrategy, getContainingTask, getExecutionConfig, getOperatorConfig, getPartitionedState, getPartitionedState, getRuntimeContext, getStateBackend, getUserCodeClassloader, isInputCopyingDisabled, registerTimer, setChainingStrategy, setKeyContext, setKeyContextElement1, setKeyContextElement2
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
close, dispose, getChainingStrategy, isInputCopyingDisabled, notifyOfCompletedCheckpoint, restoreState, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setup, snapshotOperatorState
public ExtractTimestampsOperator(TimestampExtractor<T> extractor)
public void open() throws Exception
AbstractStreamOperator
The default implementation does nothing.
open
in interface StreamOperator<T>
open
in class AbstractUdfStreamOperator<T,TimestampExtractor<T>>
Exception
- An exception in this method causes the operator to fail.public void processElement(StreamRecord<T> element) throws Exception
OneInputStreamOperator
processElement
in interface OneInputStreamOperator<T,T>
Exception
public void trigger(long timestamp) throws Exception
Triggerable
If the triggering is delayed for whatever reason (trigger timer was blocked, JVM stalled due to a garbage collection), the timestamp supplied to this function will still be the original timestamp for which the trigger was scheduled.
trigger
in interface Triggerable
timestamp
- The timestamp for which the trigger event was scheduled.Exception
public void processWatermark(Watermark mark) throws Exception
OneInputStreamOperator
Watermark
.
This method is guaranteed to not be called concurrently with other methods of the operator.processWatermark
in interface OneInputStreamOperator<T,T>
Exception
Watermark
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