com.yahoo.bullet.dsl.deserializer

Class BulletDeserializer

java.lang.Object

com.yahoo.bullet.dsl.deserializer.BulletDeserializer

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AvroDeserializer, IdentityDeserializer, JavaDeserializer

public abstract class BulletDeserializer
extends Object
implements Serializable

A BulletDeserializer is used to deserialize or transform output from a BulletConnector into input for a BulletRecordConverter, e.g. from byte arrays to maps. Deserializers should extend this class and expect configuration though BulletDSLConfig.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected BulletDSLConfig	config

Constructor Summary

Constructors

Constructor and Description
BulletDeserializer(com.yahoo.bullet.common.BulletConfig bulletConfig) Constructor that takes a configuration containing the settings relevant for this deserializer.

Method Summary

Modifier and Type	Method and Description
abstract Object	deserialize(Object object) Deserializes or transforms an object.
static BulletDeserializer	from(BulletDSLConfig config) Creates a BulletDeserializer instance using the specified class.

Methods inherited from class java.lang.Object

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

Field Detail

config

protected BulletDSLConfig config

Constructor Detail

BulletDeserializer

public BulletDeserializer(com.yahoo.bullet.common.BulletConfig bulletConfig)

Constructor that takes a configuration containing the settings relevant for this deserializer.

Parameters:

bulletConfig - The BulletConfig to use.

Method Detail

deserialize

public abstract Object deserialize(Object object)
                            throws BulletDSLException

Deserializes or transforms an object.

Parameters:

object - The object to deserialize or transform.

Returns:

The deserialized or transformed object.

Throws:

BulletDSLException - if there is a deserialization error.

from

public static BulletDeserializer from(BulletDSLConfig config)

Creates a BulletDeserializer instance using the specified class.

Parameters:

config - The configuration containing the BulletDeserializer class name and other relevant settings.

Returns:

A new instance of the specified BulletDeserializer class.