com.groupon.lex.metrics.history.xdr.support.writer

Class Crc32AppendingFileWriter

java.lang.Object

com.groupon.lex.metrics.history.xdr.support.writer.Crc32AppendingFileWriter

All Implemented Interfaces:

FileWriter, Closeable, AutoCloseable

public class Crc32AppendingFileWriter
extends Object
implements FileWriter

Field Summary

Fields

Modifier and Type	Field and Description
static int	CRC_LEN

Constructor Summary

Constructors

Constructor and Description
Crc32AppendingFileWriter(FileWriter out, int roundUp)

Method Summary

Modifier and Type	Method and Description
ByteBuffer	allocateByteBuffer(int size) Allocates a byte buffer.
void	close()
int	write(ByteBuffer buf)

Methods inherited from class java.lang.Object

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

Field Detail

CRC_LEN

public static final int CRC_LEN

See Also:

Constant Field Values

Constructor Detail

Crc32AppendingFileWriter

public Crc32AppendingFileWriter(@NonNull
                                FileWriter out,
                                int roundUp)

Method Detail

write

public int write(ByteBuffer buf)
          throws IOException

Specified by:

write in interface FileWriter

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

allocateByteBuffer

public ByteBuffer allocateByteBuffer(int size)

Description copied from interface: FileWriter

Allocates a byte buffer. The allocated byte buffer will be direct if that is the best format for the writer. The allocated byte buffer will be array-based if that is the best format for the writer.

Specified by:

allocateByteBuffer in interface FileWriter

Parameters:

size - The size of the buffer.

Returns:

An allocated buffer of the requested size.