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java.lang.Objectorg.apache.hadoop.hive.serde2.AbstractSerDe
org.apache.hadoop.hive.serde2.TypedSerDe
public abstract class TypedSerDe
TypedSerDe.
Field Summary | |
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protected Object |
deserializeCache
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protected Class<?> |
objectClass
|
protected Type |
objectType
|
Constructor Summary | |
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TypedSerDe(Type objectType)
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Method Summary | |
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Object |
deserialize(Writable blob)
Deserialize an object out of a Writable blob. |
ObjectInspector |
getObjectInspector()
Get the object inspector that can be used to navigate through the internal structure of the Object returned from deserialize(...). |
protected ObjectInspectorFactory.ObjectInspectorOptions |
getObjectInspectorOptions()
|
SerDeStats |
getSerDeStats()
Returns statistics collected when serializing |
Class<? extends Writable> |
getSerializedClass()
Returns the Writable class that would be returned by the serialize method. |
void |
initialize(Configuration job,
Properties tbl)
Initialize the HiveSerializer. |
Writable |
serialize(Object obj,
ObjectInspector objInspector)
Serialize an object by navigating inside the Object with the ObjectInspector. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected Type objectType
protected Class<?> objectClass
protected Object deserializeCache
Constructor Detail |
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public TypedSerDe(Type objectType) throws SerDeException
SerDeException
Method Detail |
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public Object deserialize(Writable blob) throws SerDeException
AbstractSerDe
deserialize
in interface Deserializer
deserialize
in class AbstractSerDe
blob
- The Writable object containing a serialized object
SerDeException
public ObjectInspector getObjectInspector() throws SerDeException
AbstractSerDe
getObjectInspector
in interface Deserializer
getObjectInspector
in class AbstractSerDe
SerDeException
protected ObjectInspectorFactory.ObjectInspectorOptions getObjectInspectorOptions()
public void initialize(Configuration job, Properties tbl) throws SerDeException
AbstractSerDe
initialize
in interface Deserializer
initialize
in interface Serializer
initialize
in class AbstractSerDe
job
- System propertiestbl
- table properties
SerDeException
public Class<? extends Writable> getSerializedClass()
AbstractSerDe
getSerializedClass
in interface Serializer
getSerializedClass
in class AbstractSerDe
public Writable serialize(Object obj, ObjectInspector objInspector) throws SerDeException
AbstractSerDe
serialize
in interface Serializer
serialize
in class AbstractSerDe
SerDeException
public SerDeStats getSerDeStats()
AbstractSerDe
getSerDeStats
in interface Deserializer
getSerDeStats
in interface Serializer
getSerDeStats
in class AbstractSerDe
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