org.apache.hudi.io

Class SeekableDataInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.DataInputStream

org.apache.hudi.io.SeekableDataInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable

Direct Known Subclasses:

ByteArraySeekableDataInputStream

public abstract class SeekableDataInputStream
extends DataInputStream

A InputStream that supports random access by allowing to seek to an arbitrary position within the stream and read the content.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
SeekableDataInputStream(InputStream in) Creates a DataInputStream that uses the specified underlying InputStream.

Method Summary

Modifier and Type	Method and Description
abstract long	getPos()
abstract void	seek(long pos) Seeks to a position within the stream.

Methods inherited from class java.io.DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

SeekableDataInputStream

public SeekableDataInputStream(InputStream in)

Creates a DataInputStream that uses the specified underlying InputStream.

Parameters:

in - the specified input stream

Method Detail

getPos

public abstract long getPos()
                     throws IOException

Returns:

current position of the stream. The next read() will be from that location.

Throws:

IOException

seek

public abstract void seek(long pos)
                   throws IOException

Seeks to a position within the stream.

Parameters:

pos - target position to seek to.

Throws:

IOException - upon error.