com.google.cloud.dataflow.sdk.io

Class Source.AbstractReader<T>

java.lang.Object

com.google.cloud.dataflow.sdk.io.Source.AbstractReader<T>

Type Parameters:

T -

All Implemented Interfaces:

Source.Reader<T>, java.lang.AutoCloseable

Direct Known Subclasses:

BoundedSource.AbstractBoundedReader

Enclosing class:

Source<T>

public abstract static class Source.AbstractReader<T>
extends java.lang.Object
implements Source.Reader<T>

A base class implementing optional methods of Source.Reader in a default way:

• All values have the timestamp of BoundedWindow.TIMESTAMP_MIN_VALUE.

Constructor Summary

Constructors

Constructor and Description
Source.AbstractReader()

Method Summary

Methods

Modifier and Type	Method and Description
Instant	getCurrentTimestamp() Returns the timestamp associated with the current data item.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.cloud.dataflow.sdk.io.Source.Reader

advance, close, getCurrent, getCurrentSource, start

Constructor Detail

Source.AbstractReader

public Source.AbstractReader()

Method Detail

getCurrentTimestamp

public Instant getCurrentTimestamp()
                            throws java.util.NoSuchElementException

Description copied from interface: Source.Reader

Returns the timestamp associated with the current data item.

If the source does not support timestamps, this should return BoundedWindow.TIMESTAMP_MIN_VALUE.

Specified by:

getCurrentTimestamp in interface Source.Reader<T>

Throws:

java.util.NoSuchElementException