org.apache.beam.sdk.io.gcp.bigquery

Class BigQueryStorageStreamSource.BigQueryStorageStreamReader<T>

java.lang.Object

org.apache.beam.sdk.io.Source.Reader<T>

org.apache.beam.sdk.io.BoundedSource.BoundedReader<T>

org.apache.beam.sdk.io.gcp.bigquery.BigQueryStorageStreamSource.BigQueryStorageStreamReader<T>

All Implemented Interfaces:

java.lang.AutoCloseable

Enclosing class:

BigQueryStorageStreamSource<T>

@Experimental(value=SOURCE_SINK)
public static class BigQueryStorageStreamSource.BigQueryStorageStreamReader<T>
extends org.apache.beam.sdk.io.BoundedSource.BoundedReader<T>

A Source.Reader which reads records from a stream.

Field Summary

Fields inherited from class org.apache.beam.sdk.io.BoundedSource.BoundedReader

SPLIT_POINTS_UNKNOWN

Method Summary

Modifier and Type	Method and Description
boolean	advance()
void	close()
T	getCurrent()
BigQueryStorageStreamSource<T>	getCurrentSource()
java.lang.Double	getFractionConsumed()
org.apache.beam.sdk.io.BoundedSource<T>	splitAtFraction(double fraction)
boolean	start()

Methods inherited from class org.apache.beam.sdk.io.BoundedSource.BoundedReader

getCurrentTimestamp, getSplitPointsConsumed, getSplitPointsRemaining

Methods inherited from class java.lang.Object

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

Method Detail

start

public boolean start()
              throws java.io.IOException

Specified by:

start in class org.apache.beam.sdk.io.Source.Reader<T>

Throws:

java.io.IOException

advance

public boolean advance()
                throws java.io.IOException

Specified by:

advance in class org.apache.beam.sdk.io.Source.Reader<T>

Throws:

java.io.IOException

getCurrent

public T getCurrent()
             throws java.util.NoSuchElementException

Specified by:

getCurrent in class org.apache.beam.sdk.io.Source.Reader<T>

Throws:

java.util.NoSuchElementException

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class org.apache.beam.sdk.io.Source.Reader<T>

getCurrentSource

public BigQueryStorageStreamSource<T> getCurrentSource()

Overrides:

getCurrentSource in class org.apache.beam.sdk.io.BoundedSource.BoundedReader<T>

splitAtFraction

public org.apache.beam.sdk.io.BoundedSource<T> splitAtFraction(double fraction)

Overrides:

splitAtFraction in class org.apache.beam.sdk.io.BoundedSource.BoundedReader<T>

getFractionConsumed

public java.lang.Double getFractionConsumed()

Overrides:

getFractionConsumed in class org.apache.beam.sdk.io.BoundedSource.BoundedReader<T>