org.apache.flink.connector.file.sink.compactor

Class SimpleStringDecoder

java.lang.Object

org.apache.flink.connector.file.sink.compactor.SimpleStringDecoder

All Implemented Interfaces:

Serializable, DecoderBasedReader.Decoder<String>

@PublicEvolving
public class SimpleStringDecoder
extends Object
implements DecoderBasedReader.Decoder<String>

A sink DecoderBasedReader.Decoder that reads data encoded by the SimpleStringEncoder only for compaction. The original input type is missing, but it's enough to read string contents for writing the compacted file.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.connector.file.sink.compactor.DecoderBasedReader.Decoder

DecoderBasedReader.Decoder.Factory<T>

Constructor Summary

Constructors

Constructor and Description
SimpleStringDecoder()

Method Summary

Modifier and Type	Method and Description
void	close() Closes the open resources.
String	decodeNext()
void	open(InputStream input) Prepares to start decoding the input stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleStringDecoder

public SimpleStringDecoder()

Method Detail

open

public void open(InputStream input)
          throws IOException

Description copied from interface: DecoderBasedReader.Decoder

Prepares to start decoding the input stream.

Specified by:

open in interface DecoderBasedReader.Decoder<String>

Throws:

IOException

decodeNext

public String decodeNext()
                  throws IOException

Specified by:

decodeNext in interface DecoderBasedReader.Decoder<String>

Returns:

The next record that decoded from the opened input stream, or null if no more available.

Throws:

IOException

close

public void close()
           throws IOException

Description copied from interface: DecoderBasedReader.Decoder

Closes the open resources. The decoder is responsible to close the input stream.

Specified by:

close in interface DecoderBasedReader.Decoder<String>

Throws:

IOException