org.apache.hadoop.hbase.io.hfile

Class HFileBlock.BlockDeserializer

java.lang.Object

org.apache.hadoop.hbase.io.hfile.HFileBlock.BlockDeserializer

All Implemented Interfaces:

CacheableDeserializer<Cacheable>

Enclosing class:

HFileBlock

public static final class HFileBlock.BlockDeserializer
extends Object
implements CacheableDeserializer<Cacheable>

Constructor Summary

Constructors

Modifier	Constructor and Description
private	BlockDeserializer()

Method Summary

Modifier and Type	Method and Description
HFileBlock	deserialize(ByteBuff buf, ByteBuffAllocator alloc)
int	getDeserializerIdentifier() Get the identifier of this deserializer.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockDeserializer

private BlockDeserializer()

Method Detail

deserialize

public HFileBlock deserialize(ByteBuff buf,
                              ByteBuffAllocator alloc)
                       throws IOException

Specified by:

deserialize in interface CacheableDeserializer<Cacheable>

Parameters:

buf - ByteBuff to deserialize the Cacheable.

alloc - to manage NIO ByteBuffers for future allocation or de-allocation.

Returns:

T the deserialized object.

Throws:

IOException

getDeserializerIdentifier

public int getDeserializerIdentifier()

Description copied from interface: CacheableDeserializer

Get the identifier of this deserializer. Identifier is unique for each deserializer and generated by CacheableDeserializerIdManager

Specified by:

getDeserializerIdentifier in interface CacheableDeserializer<Cacheable>

Returns:

identifier number of this cacheable deserializer