org.apache.flink.streaming.runtime.operators.windowing

类 TimestampedValue<T>

java.lang.Object

org.apache.flink.streaming.runtime.operators.windowing.TimestampedValue<T>

类型参数:

T - The type encapsulated value

@PublicEvolving
public class TimestampedValue<T>
extends Object

Stores the value and the timestamp of the record.

构造器概要

构造器

构造器和说明
TimestampedValue(T value) Creates a new TimestampedValue.
TimestampedValue(T value, long timestamp) Creates a new TimestampedValue wrapping the given value.

方法概要

限定符和类型	方法和说明
static <T> TimestampedValue<T>	from(StreamRecord<T> streamRecord) Creates a TimestampedValue from given StreamRecord.
StreamRecord<T>	getStreamRecord() Creates a StreamRecord from this TimestampedValue.
long	getTimestamp()
T	getValue()
boolean	hasTimestamp() Checks whether this record has a timestamp.

从类继承的方法 java.lang.Object

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

构造器详细资料

TimestampedValue

public TimestampedValue(T value)

Creates a new TimestampedValue. The record does not have a timestamp.

TimestampedValue

public TimestampedValue(T value,
                        long timestamp)

Creates a new TimestampedValue wrapping the given value. The timestamp is set to the given timestamp.

参数:

value - The value to wrap in this TimestampedValue

timestamp - The timestamp in milliseconds

方法详细资料

getValue

public T getValue()

返回:

The value wrapped in this TimestampedValue.

getTimestamp

public long getTimestamp()

返回:

The timestamp associated with this stream value in milliseconds.

hasTimestamp

public boolean hasTimestamp()

Checks whether this record has a timestamp.

返回:

True if the record has a timestamp, false if not.

getStreamRecord

public StreamRecord<T> getStreamRecord()

Creates a StreamRecord from this TimestampedValue.

from

public static <T> TimestampedValue<T> from(StreamRecord<T> streamRecord)

Creates a TimestampedValue from given StreamRecord.

参数:

streamRecord - The StreamRecord object from which TimestampedValue is to be created.