Package org.apache.beam.sdk.io

Class TextIO.Sink

java.lang.Object

org.apache.beam.sdk.io.TextIO.Sink

All Implemented Interfaces:

Serializable, FileIO.Sink<String>

Enclosing class:

TextIO

public abstract static class TextIO.Sink
extends Object
implements FileIO.Sink<String>

Implementation of TextIO.sink().

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Sink()

Method Summary

Modifier and Type	Method	Description
void	flush()	Flushes the buffered state (if any) before the channel is closed.
void	open(WritableByteChannel channel)	Initializes writing to the given channel.
TextIO.Sink	withFooter(String footer)
TextIO.Sink	withHeader(String header)
void	write(String element)	Appends a single element to the file.

Methods inherited from class java.lang.Object

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

Constructor Details

Sink

public Sink()

Method Details

withHeader

public TextIO.Sink withHeader(String header)

withFooter

public TextIO.Sink withFooter(String footer)

open

public void open(WritableByteChannel channel)
          throws IOException

Description copied from interface: FileIO.Sink

Initializes writing to the given channel. Will be invoked once on a given FileIO.Sink instance.

Specified by:

open in interface FileIO.Sink<String>

Throws:

IOException

write

public void write(String element)
           throws IOException

Description copied from interface: FileIO.Sink

Appends a single element to the file. May be invoked zero or more times.

Specified by:

write in interface FileIO.Sink<String>

Throws:

IOException

flush

public void flush()
           throws IOException

Description copied from interface: FileIO.Sink

Flushes the buffered state (if any) before the channel is closed. Does not need to close the channel. Will be invoked once.

Specified by:

flush in interface FileIO.Sink<String>

Throws:

IOException