org.apache.hadoop.hbase.protobuf

Class ProtobufMagic

java.lang.Object

org.apache.hadoop.hbase.protobuf.ProtobufMagic

@InterfaceAudience.Private
public class ProtobufMagic
extends Object

Protobufs utility.

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	PB_MAGIC Magic we put ahead of a serialized protobuf message.

Method Summary

Modifier and Type	Method and Description
static boolean	isPBMagicPrefix(byte[] bytes)
static boolean	isPBMagicPrefix(byte[] bytes, int offset, int len)
static int	lengthOfPBMagic()

Methods inherited from class java.lang.Object

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

Field Detail

PB_MAGIC

public static final byte[] PB_MAGIC

Magic we put ahead of a serialized protobuf message. For example, all znode content is protobuf messages with the below magic for preamble.

Method Detail

isPBMagicPrefix

public static boolean isPBMagicPrefix(byte[] bytes)

Parameters:

bytes - Bytes to check.

Returns:

True if passed bytes has PB_MAGIC for a prefix.

isPBMagicPrefix

public static boolean isPBMagicPrefix(byte[] bytes,
                                      int offset,
                                      int len)

Parameters:

bytes - Bytes to check.

offset - offset to start at

len - length to use

Returns:

True if passed bytes has PB_MAGIC for a prefix.

lengthOfPBMagic

public static int lengthOfPBMagic()

Returns:

Length of PB_MAGIC