org.apache.hadoop.hive.serde2.thrift

Class ThriftByteStreamTypedSerDe

java.lang.Object

org.apache.hadoop.hive.serde2.AbstractSerDe

org.apache.hadoop.hive.serde2.TypedSerDe

org.apache.hadoop.hive.serde2.ByteStreamTypedSerDe

org.apache.hadoop.hive.serde2.thrift.ThriftByteStreamTypedSerDe

All Implemented Interfaces:

Deserializer, SerDe, Serializer

public class ThriftByteStreamTypedSerDe
extends ByteStreamTypedSerDe

ThriftByteStreamTypedSerDe.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.thrift.protocol.TProtocol	inProtocol
protected org.apache.thrift.transport.TIOStreamTransport	inTransport
protected org.apache.thrift.protocol.TProtocol	outProtocol
protected org.apache.thrift.transport.TIOStreamTransport	outTransport

Fields inherited from class org.apache.hadoop.hive.serde2.ByteStreamTypedSerDe

bis, bos

Fields inherited from class org.apache.hadoop.hive.serde2.TypedSerDe

deserializeCache, objectClass, objectType

Fields inherited from class org.apache.hadoop.hive.serde2.AbstractSerDe

configuration, log, partitionProperties, properties, tableProperties

Constructor Summary

Constructors

Constructor and Description
ThriftByteStreamTypedSerDe(Type objectType, org.apache.thrift.protocol.TProtocolFactory inFactory, org.apache.thrift.protocol.TProtocolFactory outFactory)

Method Summary

Modifier and Type	Method and Description
Object	deserialize(org.apache.hadoop.io.Writable field) Deserialize an object out of a Writable blob.
protected ObjectInspectorFactory.ObjectInspectorOptions	getObjectInspectorOptions()
void	initialize(org.apache.hadoop.conf.Configuration configuration, Properties tableProperties, Properties partitionProperties) Initialize the SerDe.

Methods inherited from class org.apache.hadoop.hive.serde2.TypedSerDe

getObjectInspector, getSerializedClass, serialize

Methods inherited from class org.apache.hadoop.hive.serde2.AbstractSerDe

getColumnComments, getColumnNames, getColumnTypes, getConfiguration, getPartitionColumnComments, getPartitionColumnNames, getPartitionColumnTypes, getSerDeStats, parseColumnComments, parseColumnNames, parseColumnNames, parseColumnTypes, parseColumnTypes, shouldStoreFieldsInMetastore, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.serde2.SerDe

handleJobLevelConfiguration

Field Detail

outTransport

protected org.apache.thrift.transport.TIOStreamTransport outTransport

inTransport

protected org.apache.thrift.transport.TIOStreamTransport inTransport

outProtocol

protected org.apache.thrift.protocol.TProtocol outProtocol

inProtocol

protected org.apache.thrift.protocol.TProtocol inProtocol

Constructor Detail

ThriftByteStreamTypedSerDe

public ThriftByteStreamTypedSerDe(Type objectType,
                                  org.apache.thrift.protocol.TProtocolFactory inFactory,
                                  org.apache.thrift.protocol.TProtocolFactory outFactory)
                           throws SerDeException

Throws:

SerDeException

Method Detail

initialize

public void initialize(org.apache.hadoop.conf.Configuration configuration,
                       Properties tableProperties,
                       Properties partitionProperties)
                throws SerDeException

Description copied from class: AbstractSerDe

Initialize the SerDe. By default, this will use one set of properties, either the table properties or the partition properties. If a SerDe needs access to both sets, it should override this method. Eventually, once all SerDes have implemented this method, we should convert it to an abstract method.

Overrides:

initialize in class TypedSerDe

Parameters:

configuration - Hadoop configuration

tableProperties - Table properties

partitionProperties - Partition properties (may be null if table has no partitions)

Throws:

SerDeException - if SerDe fails to initialize

getObjectInspectorOptions

protected ObjectInspectorFactory.ObjectInspectorOptions getObjectInspectorOptions()

Overrides:

getObjectInspectorOptions in class TypedSerDe

deserialize

public Object deserialize(org.apache.hadoop.io.Writable field)
                   throws SerDeException

Description copied from interface: Deserializer

Deserialize an object out of a Writable blob. In most cases, the return value of this function will be constant since the function will reuse the returned object. If the client wants to keep a copy of the object, the client needs to clone the returned deserialized value by calling ObjectInspectorUtils.getStandardObject().

Specified by:

deserialize in interface Deserializer

Overrides:

deserialize in class ByteStreamTypedSerDe

Parameters:

field - The Writable object containing a serialized object

Returns:

A Java object representing the contents in the blob.

Throws:

SerDeException