org.apache.hudi.common.util

Class SerializationUtils

java.lang.Object

org.apache.hudi.common.util.SerializationUtils

public class SerializationUtils
extends Object

SerializationUtils class internally uses Kryo serializer for serializing / deserializing objects.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SerializationUtils.AvroUtf8Serializer NOTE: This Serializer could deserialize instance of Utf8 serialized by implicitly generated Kryo serializer (based on com.esotericsoftware.kryo.serializers.FieldSerializer

Constructor Summary

Constructors

Constructor and Description
SerializationUtils()

Method Summary

Modifier and Type	Method and Description
static <T> T	deserialize(byte[] objectData) Deserializes a single Object from an array of bytes.
static byte[]	serialize(Object obj) Serializes an Object to a byte array for storage/serialization.

Methods inherited from class java.lang.Object

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

Constructor Detail

SerializationUtils

public SerializationUtils()

Method Detail

serialize

public static byte[] serialize(Object obj)
                        throws IOException

Serializes an Object to a byte array for storage/serialization.

Parameters:

obj - the object to serialize to bytes

Returns:

a byte[] with the converted Serializable

Throws:

IOException - if the serialization fails

deserialize

public static <T> T deserialize(byte[] objectData)

Deserializes a single Object from an array of bytes.

If the call site incorrectly types the return value, a ClassCastException is thrown from the call site. Without Generics in this declaration, the call site must type cast and can cause the same ClassCastException. Note that in both cases, the ClassCastException is in the call site, not in this method.

Type Parameters:

T - the object type to be deserialized

Parameters:

objectData - the serialized object, must not be null

Returns:

the deserialized object

Throws:

IllegalArgumentException - if objectData is null